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A/C and Heating 2010r . TOWN OF MONTVILLE Building Department 310 NORWICH-NEW LONDON TURNPIKE UNCASVILLE, CT 06382-2599 TEL. (860) 848-3030 X382 FAX. (860) 848-7231 MECHANICAL PERMIT Permit Number: M2010-0009 Date: 20-Jan-10 Map/Lot: 016/029-T68 Owner ID: 5774000 Project Location: 68 RAINBOW DRIVE Unit: Job Description: Install Trane Packaged Duel Fuel Heat&A/C System Owner Name: Jensen's Inc Tenant Name: N/A Careof: PO Box 608 Southington CT 06489- Telephone: Contractor Name: Michael Emonds Telephone: (860)657-4554 DBA: M.J. Emonds Mechanical Contractors Lic/Reg Type: S1 Lic/Reg No: 392776 17 Nutmeg Lane Exp Date: 31-Aug-10 Glastonbury CT 06033- Construction Value Permit Fees Construction Information Building Value: $0.00 Building Fee: $0.00 Use Group: IRC Plumbing Value: $0.00 Plumbing Fee: $0.00 Code: 2005 State Building Code Mechanical Value: $6,800.00 Mechanical Fee: $56.00 Electrical Value: $0.00 Electrical Fee: $0.00 Construction Type: IRC Total Value: $6,800.00 Penalty Fee: $0.00 Permit Code: R5 C of 0 Fee: $0.00 Comments: Plan Review Fee: $0.00 State Ed Fee: $1.50 Total Fee Paid: $57.50 It shall be the owners repsonsibility to schedule the following inspections a minimum of 2 business days in advance: Field set of approved construction documents shall be available onsite during all inspections. BUILDING PERMIT INSPECTIONS PLUMBING,MECHANICAL, ELECTRICAL PERMIT INSPECTIONS ❑ Footing- Prior to pouring concrete ❑ R Plumbing and leak test ❑ Deck Piers ❑ R Electrical ❑ Backfill - Footing drains and waterproofing ❑ Elec Trench-with conduit installed ❑ Concrete Slab- Prior to pouring concrete ❑ Pool Bonding ❑ Anchor Bolts-with sill plate and prior to floor framing ❑ Electrical Service CRS No: 0 ❑ Framing R HVAC ❑ Masonry Fireplace Throat or Chimney Thimble ❑ Gas Piping and leak test ❑ Fireblocking Draftstopping INSPE ION REQUIRED UPON COMPLETION ❑ Insulation -rtifica - of Approval icate of Occupancy Building Official's Approval: _ . t r own or ivrontvure Building Department CepR310 Norwich-New London Tpke. Tel. 860-848-3030, Ext 382 Uncasville, CT 06382 Fax. 860-848-7231 RESIDENTIAL PERMIT APPLICATION FORM Permit No.: Cn D011D— 0m9 Type of Work Occupancy Type Permit Type I]New Construction BSingle Family 0 Building 0 Addition ❑Two-Family 0 Plumbing ❑Alteration ❑Townhouse La-Mechanical ❑Accessory Structure ❑ Electrical CRS#: Property Address: (08 Kunbou) , Unausv�, I le , C-i- Ctj3R (Number) (Street) (Unit) I /�, Job Description: 14-1,46t,I iQ L �� n LL u yed D� e/ r (A-e kkk ki 5\i 5-1--Un Ock. I Owner: 1-1f �i Address: . �0 '_ S 1 OCl Z 4- . C,. Box (00 b City U'. 11Y� yC I vt7 State: ("1--- Zip Code: v (P LI o 1 Telephone( 0`OO ) -793 - O.aiS) Applicant I ' i LhC,k e I S DBA: i�1• T Fmords me Gln(co, I e>; t5 Address: 1--11 C)kxi-Thi' e L(An e / � City:Cj�-6-Funbo State: C+- Zip Code: 0ISPO3 3 Telephone(%,,(' ) Y0 5? 55,1 Contractors-Complete the Following: 1h G OJzp License Type: I License No.t l0 1 t. Expiration Date: `` I hereby certify that the proposed work will conform to the State Building Code and all other codes as adopted by the State of Connecticut and the Town of Montville and further attest that the proposed work is authorized by the owner in fee and that$am authorized to make application for a permit for such work as described above. O By checking this box,i will follow the requirements of the 2005 NEC as the alternative compliance per section E3301.21 of the Residential Code, instead of the electrical requirements In chapters 3333�through 42 of the Residential Code. 9 Owner/Agent Signature: "'%�"'c"'1"1---- Date: I 15 0 9 Construction Value permit Fees Building Value: Building Fee: Plumbing Value: Plumbing Fee: Mechanical Value: (00 p 00 0` Mechanical Fee: Electrical Value: (( Electrical Fee: Total Value: l0 WOO C Penalty Fee: C of 0 Fee: Plan Review Fee: State Ed Fee: Total Fee: August 23,2007 Town of Montville Building Department File Receipt Date: 05-Jan-10 Receipt No: 5148 Received From: MJ Emonds Mechanical Job Address: 68 Rainbow Drive Fees Collected State Educational Training Fee Cash: $0.00 Cash: $0.00 Check: $57.50 Check: $1.50 Check No: 5207 Short/Over: $0.00 Construction Value: $6,800.00 Demolition Value: $0.00 Received By Carmen Kneeland Town of Montville Building Department Customer Receipt Date: 05-Jan-10 Receipt No: 5148 Received From: MJ Emonds Mechanical Job Address: 68 Rainbow Drive Fees Collected Cash: $0.00 Check: $57.50 Check No: 5207 Received By Carmen Kneeland ` Address: 68 Rainbow ITEM QTY 8/UNIT TOTAL Building Plumbing Mechanical Electrical BUILDING AREA New Construction SF $ 113.03 $ - $ _ Basement,Finished SF $ 22.96 $ - $ _ Basement,Unfinished SF $ 12.40 $ - $ _ Crawl Sapce SF $ 9.30 $ - Interior Renovations SF $ 35.09 $ - $ - $ MANUFACTURED HOMES Ground Anchors SF $ 6.45 $ - $ - $ _ Basement SF $ 12.41 $ - $ - $ Crawl Space SF $ 9.31 $ - $ - $ - AMENITIES Kitchen EAS $ $ $ Full Bathroom $ $ Half-Bathroom EA $ $ Attached SF $ 54.35 $ - $ Detached SF $ 69.53 $ - $ Under SF $ 10.03 $ - $ _ Carport SF $ 19.89 $ - MECHANICAL Warm-Air Y/N - Hot Water $ y YIN $ - Electric n Y/N _ Air Conditioning n Y/N $ - $ Upgrade Amps $ Overhead,new Amps _ Underground,new Amps $ $ - Subpanel EA $ 599.50 $ - Gen Set EA $ 3,850.00 $ _ SOLID FUEL BURNING APPLIANCES Prefab Metal Fireplace EA $ 6,497.70 $ - Masonry wilfireplace EA $ 7,096.65 $ - Masonry w12 fireplaces EA $ 11,095.70 $ - - Wood Stove,free standing EA $ 2,692.25 $ - Wood stove insert EA $ 1,859.77 $ - DECKS,PORCHES,SUNROOMS Deck SF $ 4307 $ - Porch SF $ 149.38 $ - Sunroom SF $ 176.90 $ - $ - POOLS&HOT TUBS Hot Tub EA $ 8,01625 $ - $ - Inground Pool EA $ 21,373.44 $ - $ - Above Ground Round FA $ 5,099.46 $ - $ - Above Ground Oval FA $ 6,019.75 $ - $ - Pool Healer EA $ 8,984.25 $ - Inflatable Type Pool EA $ 1,550.00 $ - SHEDS w/o electrical SF $ 20.35 $ - w/electrical SF $ 20.35 $ - $ - RENOVATIONS Roofing,Overlay SF $ 3.00 $ - Roofing,Strip&reroof SF $ 4.00 $ - Roof Sheathing SF $ 1.31 $ - Siding SF $ 5.50 $ - Windows EA $ 500.00 $ - Skylights EA $ 1,051.10 $ - Doors,Exterior EA $ 601.50 $ - Oil Tank,275 Gallon EA $ Oil Tank,550 Gallon EA $ MISCELLANEOUS CALCULATIONS $ 6,800.00 TOTALS $ - $ - $ 6,800.00 $ - PERMIT FEE CALCULATIONS Construction Value Fee Building $ - $ _ Plumbing y $ - $ Mechanical y $ 6,800.00 $ 56.00 Electrical y $ - $ Working before Permit Issuance $ - Certificate of Occupancy Fee $ - Plan Review Fee $ State Education Fee $ 1.50 TOTALS $ 6,800.00 $ 57.50 Figures are based on the 2006 RS Means Residential Cost Data }tig.Mi..__ §f'v, :as;N ,43Ytrr_ty n� •":y1kv .ti7 �� n k.-•. '.d ti ' \a ?�ijttlhf,tT "F'4it� i.)w. ; 4•}::i .{K,M. ` .. rrw4r, �xOj4 w i.yi tj1$4 -f10? .:A. s:�:,• fAffAIsf, 41A11,,: 'A f, E,r : ` .n': . , t KO V .0 • -;.: i W g .. I N 0 IG tilt i W I O H ° %°:=r I cx U ! •h s a ; :,67,;, ,...:.„... cdE...i g I .; 4.4:: U *II: ; w 4., ,.., ...„. tet.., 1 g z .I 41.19. ci) en o ••k- , r• o y 4 y C up-'t - -• o , ‘k, %- .� g 0 .ti,t,‘,• tom.-.......,,i,,...±? °) h ii" z ...-1,:„;0..7-.?„2.. •ro,,,, 41 I! ,,.. 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L� 12o.A.rdocup OiVe, Property Address 3-Fk[ I IOuk► fir- 1 (+0,-F t OC 5 5-}P Job Description -▪ Required for all permits ® - At least one required for all permits ❑ -Required as indicated below Required Department Permit Issuance Approval Approval ■ Tax Collector \ u 1 k o Signature/date Comments: ® Planning & Zoning iz �,vvl l/11/10 9 Si nature/ te Comments: rD i ® Fire Marsh ' I. Signature/date - Comments: ` \ t Health Department Required for properties with septic systems-Not required for Plumbing, Electrical,Mechanical, Roofing,Siding,Windows&Doors Signature/date Comments: ® WPCA, Administrative --- (\t(\* w Required for properties on sewer Signature/date Comments: (� WPCA, Operations When Required by WPCA Signature/date Comments: ❑ Department of Public Works Required when project includes driveway work or certain drainage requirements Signature/date Comments: _ State Dept. of Transportation Required for Structures over 100,000 sq. ft. or with more than 200parking spaces-Official copy of STC Certificate of Operation required—per CGS 14-311 Signature/date Building Department Review Complete Signature/date 'svisedVv"ovemfi r i,2008 Installer's Guide ECM Fan Motor Adjustments If the airflow needs to be increased or decreased,see the CFM Airflow Table in the SERVICE FACTS. Information on changing SELECTION DIP the speed of the blower motor is in the Blower Performance i--7 LIGHT SWITCHES Table. Blower speed changes are made on the ECM Fan 21C800796P0Il:. Control mounted in the control box.The ECM Fan Control CNT03600 controls the variable speed motor. There is a bank of 8 dip o 1 2 3 1 5 6 7 1! switches, (See Figure 23 below) located on the board. The dip • • Niiii!i% switches work in pairs to match the cooling/heat airflow(CFM/ TON), Fan off-delay options and electric heat airflow adjust- < CFM FAN Y Y L0 ment.The switches appear as shown in the figure below. _ • • OO O 0 0 0 0 0 000 0 0 0 CFO( R R 0 W3 W2 WI Y YLO B G U R W3 W2 WI 0 0 0 0 0 0 0 0 _ _ 7. _ 0 0 0 0 0 0 0 0 ea — - — I r Figure 23.ECM Fan Control Status LEDs IGN Board Diagnostic Codes There are two LEDs on the IGN board t diagnostic information. Refer to Table 71 INANE' LED codes. MJ Emonds Comfort Specialist Table MECHANICAL ° „`"' CONTRACTORS,Lc :sr.<.°^ IGN Di. � Status LED n 1110��0 cry-v LTii on. O Steady OFF Check Power or Fs Comm J�; S Slow Flash Rate Normal, No Call for J �� Fast Flash Rate Not usedUuncGtS V 1 ((e, Ci- www.emonds.com 17 Nutmeg Lane,Glastonbury,657045033 58 Steady ON Normal, No Call for I Tel.860 657-4554 • Fax eraol ICs I t nermostat miswired; W1 &W2 Fast Flash Rate: The LED will flash on for 1/4 second, and off for 1/4 second Slow Flash Rate: The LED will flash on for 3/4 second,then off for 1/4 second. The pause between groups of fast flashes is 3 seconds. r11.17. PHReaR ' t Ca GEEVORI D/ ENERGY STAR08664,368rr ffi9 Mo.ecoodellawasce Trane 6200 Troup Highway Tyler, TX 75707 The manufacture has a policy of continuous product and product data improvement. © 2009 Trane It reserves the right to change design and specification without notice. Page 28 Installer's Guide Maintenance Heating Season Owner Maintenance Complete the following unit inspections and service routines described at the beginning of each heating season. A WARNING • Visually inspect the unit to ensure that the airflow required EXPLOSION HAZARD! for combustion and condenser coil is not obstructed from To prevent an explosion or possible injury,death,and equip- the unit. ment damage.Do not store combustible materials,gasoline, • Inspect the control panel wiring to verify that all electrical or other flammable vapors or liquids near the unit. connections are tight and that the wire insulation is intact. • Check the operation of the gas ignition system as follows: Some of the periodic maintenance functions of the packaged unit can be performed by the owner;this includes replacing the Turn off the gas supply with the unit operating to verify that disposable or cleaning the permanent air filters, cleaning the the gas valve closes and that a re ignition cycle is initiated unit cabinet, and conducting a general unit inspection on a by the unit. regular basis. • Visually inspect the inside of the burners and the burner Filters ports for deposit buildup and corrosion. Wipe and brush the inside of thclean When the system is in constant operation,inspect the filters a dry clothe IIff urner the deposit buildup and the burneror cos os onortandh snexcess vle, at least once each month. replace the burners. If you have disposable-type filters, replace them with new filters of the same type and size. Do not attempt to clean disposable filters. Flue Hood and Combustion Blower Cleaning Permanent-type filters can be cleaned by washing them with a mild detergent and water. Make sure that the filters are A CAUTION thoroughly dry before reinstalling them. Never use combustible cleaning fluids on any part of the NOTE: It may be necessary to replace permanent filters furnace. annually if washing fails to clean the filter or if the filter Before each heating season, the flue should be inspected for shows signs of deterioration. Be sure to use the same type signs of flaking rust and soot deposits. Dirty flues should be and size as was originally installed. cleaned by qualified service personnel ONLY using the Condenser Coil following procedure: Be sure to keep all vegetation and debris away from the condenser 1. Turn the comfort control to OFF. Turn the main power coil area. disconnect OFF. Turn the manual gas valve OFF. 2. Remove the flue hood and the CONTROUHEAT access panel. 3. Remove the combustion blower assembly from the flue Service Maintenance box. Remove the flue box and the flue restrictors. Service maintenance should be performed by qualified service 4. Remove all wires from the gas valve while carefully noting personnel. their locations. 5. Disconnect the gas supply line from the valve. Cooling Season 6. Remove the manifold retaining screws and pull the burner-manifold assembly from the heat exchanger. To keep the unit operating safely and efficiently, the manufac- 7. Remove the inlet turbulators being careful not to break or turer recommends that a qualified service technician check damage them. the entire system at least once each year or more often if 8. Wipe the flue box and flue baffles clean with a clean,dry needed. The service technician should examine these areas cloth. of the packaged unit: 9. Replace all gaskets with new ones. • filters (for cleaning or replacement) 10. Replace all damaged or broken turbulators with new • motors and drive system components ones. • economizer gaskets (for possible replacement) 11• Reassemble the unit by reversing Steps 2 through 7 above. Take care that all gaskets seat properly. • safety controls (for mechanical cleaning) 12. Check all wires for correct installation by referring to the • electrical components and wiring (for possible replacement unit electrical wiring diagram in the SERVICE FACTS. and connection tightness) 13. Leak test all gas line connections with a soap and water • condensate drain (for proper sealing and cleaning) solution or the equivalent. • unit duct connections(to see that they are physically sound 14. Re install the CONTROUHEAT access panels and the and sealed to the unit casing) flue hood. • unit mounting support (for structural integrity) 15. Visually inspect the unit to ensure that the airflow opening for combustion is not obstructed. • the unit (for obvious unit deterioration) 16. Follow the start-up procedure on page 22 to place the unit back in service. Page 27 Installer's Guide Cooling Cycle: DEMAND DEFROST OPERATION During the heating cycle, the outdoor coil may require a With the comfort control set to COOL and the fan set to AUTO, defrost cycle which is determined by the demand defrost the thermostat will energize (Y/Y1), (G), and (0). These signals control (DFC). This control continuously measures the 9 outdoor coil temperature(CBS)and the outdoor ambient will energize the compressor contactor (CC), the indoor blower temperature (ODS-B) and calculates the difference or delta- motor(IDM),and the switchover valve(SOV), respectively. T measurement. An initiate delta-T is calculated based on the delta-T measurements obtained after defrost terminates The energized compressor contactor (CC) completes the circuit (when the outdoor coil should be clear of frost). When the to the compressor(CPR) and a secondary circuit to measured delta-T during heating operation reaches the calculated initiate delta-T, the demand defrost control (DFC) the outdoor fan motor(ODM). If the compressor safety controls are closed, the compressor(CPR) will operate with opens the circuit to the outdoor fan motor(ODM)and the outdoor fan motor(ODM). The indoor blower motor(IDM) energizes the switch-over valve (SOV), placing the unit in will operate as a result of the(G)signal.The thermostat will the cooling mode to defrost the outdoor coil. The outdoor continue to cycle the compressor with the indoor blower to coil temperature sensor(CBS)terminates the defrost cycle, or times off after twelve,fifteen,or twenty minutes in defrost, maintain the indoor temperature at the desired setpoint. With the thermostat fan switch in the ON position,the indoor the(DFC)energizes the outdoor fan motor(ODM)and fifteen seconds later de-energizes the (SOV), which returns the unit blower motor(IDM)will continue to run regardless of compressor and condenser fan operation. to the heating mode. Supplementary gas heat is brought on to control indoor temperature during the defrost cycle. *CONT802 and*CONT803 Operational Differences Safety Sequences from the above sequence: This product is equipped with the following devices. NOTE:Unlike the *CONT402, these two controls will not The temperature limit switch (TCO) is located on the blower call for the furnace to operate when the outdoor barrier, and can be accessed through the blower temperature is above the selected outdoor temperature compartment. This automatic reset device protects against changeover point even if the heat pump capacity is not excessive supply air temperature. If this device opens,the enough to maintain the indoor temperature at the gas valve is immediately closed and will not permit desired heating setpoint. If it is anticipated that the operation until the limit switch closes. installer selected outdoor temperature changeover point from heat pump to furnace must be set to a The rollout switch (RO) is located in the gas compartment temperature at or below where this occurs, then the near the inlet of the burners. This is a manual reset device *CONT402 control must be used instead of the designed to protect against any form of flame rollout. If this *CONT802 and*CONT803 Comfort Controls. device is opened the gas valve is immediately de-energized and the control (IGN)will lockout the system.The rollout These two controls are not able to cycle on second stage switch (RO) must be reset before operation is allowed to heat in the same way as the*CONT402. The*CONT402 continue. can cycle the gas heat on and off to maintain the indoor temperature at the desired heating setpoint without The pressure switch (PS) is located in the upper right side transitioning to heat pump operation each cycle if the of the gas compartment. This automatic device assures building load is relatively high. These two controls will cycle adequate combustion air pressure. If pressure against the on second stage heat by alternating between gas heat and induced draft blower outlet becomes excessive, the heat pump operation. These two controls may take up to 25 pressure switch will react and shut off the gas valve, until minutes to transition between heat pump and gas operation. acceptable combustion pressure is again available. These two controls require a field installed jumper wire If the control (IGN)does not sense flame within the first trial between the W1 and W2/X2 low voltage wires at the 4DCY4 for ignition period, the gas valve will be de-energized. The unit since these two controls produce only a W1 output for control (IGN) will initiate a 60-second interpurge. Following auxiliary heat. This jumper will result in low fire gas heating the interpurge, the control will perform a second ignition for 10 minutes or for as long as W1 is present if less than 10 attempt. If the second try is not successful,the control will minutes during auxiliary heating. Then, if the W1 signal is start another 60-second interpurge. After the interpurge a still present from the Comfort Control, the 4DCY4 unit will third attempt will be tried. If the third try is not successful,the transition automatically to high fire and operate on high fire control will lock out. for the remaining duration of the call for auxiliary heat. During Emergency Heat mode operation these two controls If loss of flame occurs during a heating cycle, the control will first energize X2 on a call for heat and will potentially (IGN) will close the gas valve and cycle through the ignition energize W1 as well. In contrast,the *CONT402 Comfort trial as stated above. Control will first energize W1 on a call for Auxiliary or Emergency Heat mode and will potentially energize W2 as well as required by the building load. If control lock out occurs,the control (IGN)will retry a complete ignition sequence in 1 hour. The control (IGN)can be reset by removing power to the unit or by turning the thermostat from ON to OFF for approximately three seconds, then back ON. Page 26 Installer's Guide Cycling on 1st stage heat: When the thermostat cycles the Call for 3rd stage heating(gas)after 2nd stage(gas): heat pump off,power is removed from(Y/Y1)and(G). If the indoor blower delay is defeated in the unit, it is an installer The thermostat adds (W2/X2)to (W1) signaling a call for option for the thermostat to control the delay of the indoor second stage heat. The induced draft motor(CFM) is blower by using (G). If there is a thermostat controlled energized on high speed and the gas valve (GV) on second indoor blower delay, the thermostat will turn (G) off after the stage. After approximately 30 seconds the control energizes delay time set within the thermostat has elapsed. the indoor blower on high speed. Call for 2nd stage heating(gas)after 1st stage(heat To maintain the indoor temperature at the desired setpoint, pump): If the heat pump capacity is not enough to handle the thermostat may operate the high fire gas heating the building load, the heat pump is turned off and the gas continuously or cycle between high fire gas heating and low heat is brought on as the second stage of heat. The fire gas heating (cycling on 3rd stage heat). thermostat will call for second stage heat by removing power from (Y/Y1) and by powering (W1). (G)will remain Cycling on 3rd stage heat: When the thermostat cycles on energized for a minimum of 2 minutes so that the transition third stage heating, power will be removed from (W2/X2) and to gas heat will not interrupt indoor airflow. (W1) will remain powered. The control module (IGN) will switch the gas valve (GV)to first stage and the induced draft (W1)from the thermostat signals the control module(IGN) blower(CFM)to low speed. After approximately 30 seconds to run its self-check routine.After the control module has the indoor blower motor is reduced to low speed. verified that the pressure switch (PS)contacts are open,the limit switch (TCO) contacts are closed, and the flame rollout (RO)switch is closed, the induced draft blower(CFM)will NOTE: During gas heating operation, the indoor blower is be energized on high speed for approximately 5 seconds. opera ion,led by the not normalythe thermost t. gas furnace operation, and by thermostat. After the induced draft blower(CFM) has come up to speed, the control will verify that the pressure switch (PS)contacts Transitioning from 3rd stage heating(gas)to 2nd stage are closed and will switch the induced draft blower to low (gas): speed for a 20 second prepurge. The gas valve (GV) is energized in the first stage to permit gas flow and the spark Same sequence as cycling on 3rd stage heat (described igniter(IP) is energized. The flame detector(FD) confirms previously) except that the thermostat will make the that ignition has been achieved within the 7 second trial transition as described previously but will then begin to period. operate continuously on second stage heating or will begin cycling on second stage heating. When the flame detector confirms that ignition has been achieved, the delay to indoor blower ON period begins Transitioning from 2nd stage heating(gas)to 1st stage timing. After approximately 45 seconds, the control module (heat pump): (IGN)will take over control of the indoor blower motor (IDM). The control module (IGN) will command the indoor When the thermostat is cycling on second stage heat,the blower to operate at low speed throughout the heating cycle. load may decrease to the point where the thermostat determines that the heat pump would have sufficient To maintain the indoor temperature at the desired setpoint, capacity to maintain the indoor temperature at the desired setpoint. When this occurs, power will be removed from the thermostat may operate the low fire gas heating continuously or cycle low fire gas heating off and on (W1). This will cause the gas valve(GV)to close and the (cycling on 2nd stage heat). control module to de-energize the induced draft blower (CFM) after approximately 5 seconds postpurge. The indoor Cycling on 2nd stage heat: When the thermostat cycles off blower motor(IDM) will continue to operate (with no (G) during second stage heating, power will be removed from signal) for the blower off period (45 or 90 seconds) while the (W1),the gas valve (GV)will close, and the flame will heat exchanger cools down. At approximately 45 seconds extinguish. The induced draft blower(CFM) will continue to after power was removed from (W1),the thermostat will run for a postpurge period of approximately 5 seconds apply power to (Y1). This powers the compressor contactor (CC) which starts the outdoor fan motor and compressor. before shutting off. The indoor blower motor(IDM)will continue to operate as the heat exchanger cools down (the The thermostat will also apply power to(G) at this time so delay is field selectable for 45 or 90 seconds) before being that the transition from gas heat to heat pump will not turned off by the control module. interrupt indoor airflow. The purpose of the 45 second delay is to give the indoor coil sufficient time to cool down before NOTE: During gas heating operation, the indoor blower resuming compressor operation. is controlled by the normal sequence of gas furnace operation, and not by the thermostat. Turning off from 1st stage: Note that the 'CONT402 may transition from second Same sequence as cycling on 1st stage heat (described stage heating(gas)to first stage(heat pump)and then previously) except that the thermostat will make the back to second stage heating(gas)instead of just cycling transition to off as described previously and will keep the the gas heat on and off if the building load is relatively heat pump turned off. low(see the Transitioning from 2nd stage heating(gas) to 1st stage(heat pump)section for a complete description). Page 25 Inttaller's Guide adjusted if necessary? RESTRICTED: In the restricted mode of operation an outdoor ❑ Has the heating air temperature rise been checked? temperature sensor is used to cause the unit to operate in the ❑ Has the unit been checked for tubing and sheet metal rattles? heat pump mode above a selected outdoor temperature and Are there any other unusual noises to be checked? to operate in the gas heating mode below the selected outdoor temperature. The gas heat will operate with the heat ❑ Are all covers and panels in place and properly fastened? pump when the unit requires a defrost cycle. The gas heat is O Has the owner been instructed on the proper operation and used to offset the effect of the unit going into the cooling mode during defrost. For the*CONT402,the unit will be maintenance of the unit?Be sure to leave this manual with the commanded to transition to gas heat even when the outdoor owner. temperature is above the selected outdoor temperature changeover point if the heat pump capacity is not enough to Sequence of Operation maintain the indoor temperature at the desired heating setpoint. Operation of the unit heating or cooling cycles is controlled by the mode setting of the room thermostat.Once the system mode is NON-RESTRICTED: This mode of operation allows the unit set to either HEAT or COOL, unit operation is automatic. The to operate in the heat pump mode during the first call,or thermostat fan ON setting provides continuous indoor blower stage,of heat commanded by the indoor thermostat. If the operation while the AUTO setting provides indoor blower opera- heat pump capacity is sufficient, gas heat will not be required. tion during the compressor heating and cooling cycles.Continu- If the heat pump capacity is not enough to maintain the indoor ous fan mode during cooling operation may not be appropriate temperature at the desired heating setpoint, the thermostat in humid climates. If the indoor air exceeds 60% relative will call for the second stage of heat.At that point,the gas humidity or simply feels uncomfortably humid, it is recom- heat will begin to operate and the heat pump will be locked mended that the fan only be used in the AUTO mode. out.As in the restricted mode,the gas heat will act as supplementary heat during the unit's defrost cycle. NOTE: The 4DCY4 units require either a *CONT402, *CONT802 or*CONT803 Comfort Control. Do not install See the Field Wiring Diagram in the Installer's Guide for field any other model of thermostat with this 4DCY4 unit. wiring instructions. IMPORTANT: Upon completion of wiring, Otherwise, mis-operation could result due to the dual fuel check all electrical connections, including factory wiring nature of this unit. Note:A ZZSENSAL0800AA outdoor within the unit. Make sure all connections are tight. Replace temperature sensor must be purchased separately and and secure all electrical box covers and access doors before installed in order to use the *CONT802 and *CONT803 leaving the unit or turning on the power to the unit. Comfort Controls with this unit.A BAYSENO1ATEMPA outdoor sensor is shipped with the *CONT402. NOTE: The outdoor sensor should be located in an area which will provide a representative outdoor ambient NOTE:A field installed jumper wire(18 AWG minimum temperature reading. conductor)is required between the W1 and W2/X2 low voltage wires at the 4DCY4 unit when using the *CONT802 The following description applies to the*CONT402. or*CONT803 Comfort Controls since these two controls Some of the operational differences of the*CONT802 produce only a W1 output for auxiliary heat. This will result and*CONT803 are described at the end of this section. in low fire gas heating for 10 minutes or for as long as W1 is present if less than 10 minutes. Then, if the W1 signal is The following description applies to non-restricted mode. still present from the Comfort Control, the 4DCY4 unit will Restricted operation will be identical except that transition automatically to high fire and operate on high fire transitions from and to first stage(heat pump)heating to for the remaining duration of the call for auxiliary heat. and from second stage(gas)heating can occur, not necessarily as a result of building load and equipment NOTE: The JP1 Dual Fuel jumper wire on the printed circuit capacity,but as determined by the outdoor temperature board of the *CONT402 must be cut for proper and reliable changeover point selected by the installer at the indoor operation of this dual fuel 4DCY4 unit. There is no jumper thermostat(see Restricted Mode description). to cut on the *CONT802 and*CONT803 Comfort Controls Call for 1st stage heating(heat pump): TWO MODES OF OPERATION: With the disconnect switch in the ON position, current is The unit can be installed and configured to operate in one of supplied to the compressor crankcase heater, if supplied two different heating modes: restricted and non-restricted. A with one, and to the control transformer.When the brief explanation of each mode follows. thermostat calls for first stage heat, power from (R)is switched by the thermostat to the(Y/Y1)terminal.This powers the compressor contactor(CC) which starts the outdoor fan motor and compressor. The thermostat also switches (R) power to (G) thereby starting the indoor blower motor(IDM). To maintain the indoor temperature at the desired setpoint, the thermostat may operate the heat pump continuously or cycle the heat pump off and on (cycling on 1st stage heat). Page 24 Installer's Guide The gas heating section of the unit can be started using the 5. The combustion blower motor should energize. The main following procedure: burners should light within 20-25 seconds. Initial start may be delayed somewhat 1. Be sure the comfort control is configured to power up in the air is trapped in the gasflinhe.e unit has not been purged and OFF mode, or be prepared to change the comfort control to OFF just as soon as power is applied to the thermostat in NOTE: Blue smoke produced by the heat exchanger during the steps below. the initial burner firing is caused by a thin film of oil on the surface of the heat exchanger.This oil will burn off quickly. a. Turn the main shutoff valve on the gas supply line ON. b. Turn or switch the manual valve on the combination gas 6. Allow the comfort control to cycle on and off a few times at valve to the ON position. a rate of not more than once every thirty (30) seconds. Check both the control operation and the burner 2. Be sure the burner compartment access panel is in operating conditions. place. 7. Increase the heating setpoint significantly so that the a. Turn on the electrical power to the unit. comfort control will transition to high fire automatically. b. Change the thermostat mode to Emergency Heat and For the *CONT802 and *CONT803 Comfort Controls, adjust the heating setpoint slightly above the room there is a 10 minute delay before the transition occurs. temperature. Make the following manifold pressure check on high fire. 2. When the comfort control calls for heat, the system MANIFOLD PRESSURE operates as follows: 1. Connect a manometer to the pressure boss at the outlet a. The combustion blower is energized. side of the unit's gas valve. Read the manifold pressure b. The pressure switch is closed. with the main burners firing. See figure 18, page 18. c The gas valve opens and the ignitor lights the burner. 2. If the manifold pressure reading does not match the value d. Allow the comfort control to cycle on and off a few times indicated on the unit nameplate, the unit pressure regulator in Emergency Heat mode to check out the control must be adjusted as follows: system and burner operation characteristics. For the a. Remove the cover screw on the gas regulator located on *CONT802 and *CONT803 Comfort Controls if the call for heat lasts longer than 10 minutes, these controls will the front side of the unit's gas valve. transition to high fire automatically. b. Turn the adjusting screw clockwise to increase manifold pressure or counterclockwise to decrease manifold 3. With the burners operating, check the manifold pressure pressure. with a manometer. Do not exceed recommended pressures. 3. Check the temperature rise during furnace operation to insure that it falls within the range specified on the unit 4. Adjust the unit to obtain an air temperature rise with that nameplate. specified on the unit nameplate. 4. If the temperature rise noted is outside of the specified NOTE: For manifold pressures and orifice sizes for gas limits, adjust the indoor airflow to cause the temperature with other BTU ratings, contact the local gas utility. rise of the heat exchanger to fall within the required range. Manifold pressure should be 1.8 (low) to 3.5(high) inches water column (+0.1). Input must not exceed the value shown on the nameplate. HEATING SHUT-DOWN 5. Set the comfort control the desired temperature setting and Set the comfort control to OFF or adjust the heating set point to below the unit will function automatically. room temperature. Final Installation Checklist Starting the Unit in the Gas Heating Mode ❑ Does the unit run and operate as described in the section on Sequence of Operation, page 24, in response to the room 1. Check to make sure all grilles and registers are open and thermostat? all unit access doors are closed before start-up. 0 Are the condenser fan and indoor blower operating correctly 2. Purge the gas supply line of air by opening the union with proper rotation and without undue noise? ahead of the unit. When the odor of gas is detected, 0 Is the compressor operating correctly and has the system been retighten the union and wait five (5) minutes before proceeding. checked with a charging chart? ❑ Has the voltage and running current been checked to deter- 3. Open the main gas valve(s) and turn on the unit power mine if it is within limits? supply. ❑ Has the thermostat been checked for calibration and the air 4. Set the comfort control to Emergency Heat and adjust the discharge grilles adjusted to balance the system? heating setpoint slightly above the room temperature. 0 Has the ductwork been checked for air leaks and condensation? ❑ Has the furnace manifold pressure been checked and Page 23 Installer's Guide IMPORTANT: Upon completion of wiring, check all electrical connections, including factory wiring within the unit. Make sure Operating Pressures all connections are tight. Replace and secure all electrical box After the unit has operated in the cooling mode for a short covers and access doors before leaving the unit or turning on period of time, install pressure gauges on the gauge ports of the power to the unit. the discharge and suction line valves. Check the suction and discharge pressures and compare them to the normal NOTE: The outdoor sensor should be located in an area operating pressures provided in the unit's SERVICE FACTS. which will provide a representative outdoor ambient temperature reading. NOTE: Do not use the pressures from the unit's SERVICE FACTS to determine the unit refrigerant charge. The correct Step 5—Unit Startup charge is shown on the unit nameplate. To charge the system Pre-Start Quick Checklist accurately, weigh in the charge according to the unit nameplate. • Is the unit properly located and level with the proper Voltage clearance? See Figures 1-6, pages 4-9. With the compressor operating, check the line voltage at the • Is the duct work correctly sized, run, taped, insulated, and unit. The voltage should be within the range shown on the unit weatherproofed with proper unit arrangement? See nameplate. If low voltage is encountered, check the size and Ductwork Installation section on page 16. length of the supply line from the main disconnect to the unit. • Is the gas piping correctly sized, run, trapped, and purged of The line may be undersized for the length of the run. air? See Gas Piping section on page 17. Cooling Shut Down • Is the condensate line properly sized, run, trapped, and Set the comfort control to OFF or adjust the cooling setpoint pitched? See Condensate drain section on page 16. above the room temperature. • Is the filter of the correct size and number? Is it clean and in Starting the Unit in the Heat Pump Heating Mode place? See Air Filter section on page 19. • Is the wiring properly sized and run according to the unit NOTE: See the section on "Sequence of Operation", page wiring diagram? 23, for a description of the heat pump heating operating sequence. • Are all the wiring connections, including those in the unit, Check to make sure all grilles and registers are open and all tight? unit access doors are closed before start-up. • Has the unit been properly grounded and fused with the The comfort control may be temporarily operated in Manual recommended fuse size? Test Mode for the 'CONT402 or in Installer System Test mode • Is the thermostat correctly wired and well located? for the 'CONT802 AND *CONT803. These are modes designed to be used to "bump" the system on the various • Is the W1 to W2 jumper installed at the unit when using a capacity stages. Since the test mode timeouts are 1 minute *CONT802 or*CONT803 Comfort Control? and 5 minutes respectively (in the absence of installer key presses), these modes are not designed to be used as the only • Have the air conditioning systems been checked at the means of system checkout. Normal thermostat operation service ports for charge and leak tested if necessary? should be used for operating the unit for extended periods of • Does the condenser fan and indoor blower turn free without time. rubbing, and are they tight on the shafts? To start the unit in the heat pump heating mode,set the comfort • Has the indoor blower speed been determined and the control to HEAT and adjust the heating setpoint slightly above the room temperature. Wait for the minimum compressor off proper speed been set? time to elapse. The condenser (outdoor) fan motor, • Has all work been done in accordance with applicable local compressor, and evaporator (indoor) fan motor will operate and national codes? automatically. • Are all covers and access panels in place to prevent air loss Heat Pump Heating Shut Down and safety hazards? Set the comfort control to OFF or adjust the heating setpoint Starting the Unit in the Cooling Mode below the room temperature. NOTE: See the section on "Sequence of Operation'; page Gas Furnace Heating Cycle 24, for a description of the cooling operating sequence. In addition to the heat pump controls, these units are equipped To start the unit in the cooling mode, set the comfort control to with a solid-state ignition control that lights the burners each COOL and adjust the cooling setpoint below the room time the thermostat calls for heat. The burners are temperature. Wait for the minimum compressor off time to extinguished during the OFF cycle. elapse. The condenser (outdoor) fan motor, compressor, and evaporator(indoor) fan motor will operate automatically. NOTE: See the section on "Sequence of Operation", page 24, for a description of the heating operating sequence. Page 22 Installer's Guide 4DCY FIELD WIRING DIAGRAM r UNIT CONTROL BOX GAS HEATING SECTION • • I-• r UNIT LOW VOLTAGE AREA —"—' -T/TI ITLI COMPRESSOR 9—Q "—"—••W I MID GAS NEAT TT—"—"—'B let)COINKIN �"—"—G 1611 PAU "—"-W2/X2 IRHI EMERGENCY NEAT 16611 1 "-"0 \ )TCVEA 11 VALVE — D)24 VOLTS NOTE 1 IV GRO=UND POWER /T IIM IIRIGIM2/DZIOI RI WIRE NCONT 4026, 8026, 8036 WIRE COLOR DESIGNATION THERMOSTAT ABBR COLOR *BEM COLOR POWER NOTE 3 NOTE 1,2 INrER-C•11011ENT MING BU BLACK PR PURPLE 7 -.. .17-7:114 ---RIR RAO AL BLUE RD RED DIV. RIRR LINE V. ;IIING BR BROWN NH WHITE OR GREEN YL YELLOW OTI/SI OT2/S2 OR ORANGE OD SENSOR NOTE 6 r e� y NOTES: TO ECONOMIZER C01111�C7'IOMG FACTORY PROVIDED I. FUSED DISCONNECT SIZE, POWER FIELD INSTALLED WIRING AND GROUNDING OF EQUIPMENT MIRES NOTE 5 MUST COMPLY WITH CODES. 2. BE SURE POWER SUPPLY AGREES WITH EQUIPMENT NAMEPLATE. 3. LOW VOLTAGE WIRING TO BE 18 AWG MINIMUM CONDUCTOR. !BRI 4. SEE UNIT DIAGRAM FOR ELECTRICAL ITL CONNECTION DETAILS. — 5. WHEN THE BAYECONIOIA, 102A, 200A OR 201A —9—••—••—•I11HI■I ECONOMIZER IS INSTALLED, THE BAYRLAY004 — —(11111.2TRz RELAY ACCESSORY KIT IS REQUIRED TO INTERFACE THE ECONOMIZER TO THE HEAT — — f0R1� -TORI PUMP FOR PROPER SYSTEM OPERATION. L..— — 6. THE OUTDOOR SENSOR SHOULD BE LOCATED UNIT 10111 .—IRDIR — IN AN AREA WHICH WILL PROVIDE A VOLTAGE AREA I REPRESENTAT I IVE OUTDOOR TEMPERATURE. 1. A FIELD INSTALLED JUMPER WIRE MUST BE °IY111161■II■zni(oiR� PLACED BETWEEN WI AND W2/X2 AT THE UNIT THERMOSTAT FOR COMFORT CONTROLS RCONT 802A AND 803A TO PROPERLY FUNCTION. Figure 22.4DCY4 Field Wiring Diagram Page 21 I Installer's Guide Thermostat Operation Operation of the unit heating or cooling cycles is controlled by the o comfort control. Once the system mode is set to either HEAT or _ice °- iI Contactor _ '� i. �� COOL, unit operation is automatic. The fan ON setting provides I�R_� • ��- 'm continuous indoor blower operation. The AUTO settin rovides �V\ 9 P 004• GL s: v rndoor blower operation during the compressor heating and cool = '� 77; . • t: � ing cycles. CONTINUOUS fan mode during COOLING operation -r-,-...- �;., > „09.5”,° ma notbea ro riateinhumidclimates. If the indoor air exceeds, '� ° 60% relative humidity or simply feels uncomfortably humid, it is Z • / recommended that the fan only be used in the AUTO mode. - NOTE: The 4DCY4 units require either a `CONT402, i o ; _ _ �!=-Ir1 \--- �0 ,, 'CONT802 or *CONT803 Comfort Control. Do not install any 71A r i other model of thermostat with this 4DCY4 unit. Otherwise, t �_�\_ mis-operation could result due to the dual fuel nature of this J � i��1� unit. Note:A BAYSEN02ATEMPA outdoor temperature sensor !- must be purchased separately and installed in order to use the Unit round Lug *CONT802 and *CONT803 Comfort Controls with this unit. A BAYSENO1ATEMPA outdoor sensor is shipped with the Figure 20.Power Connections *CONT402. NOTE: A field installed jumper wire (18 AWG minimum \ conductor) is required between the W1 and W2/X2 low voltage wires at the 4DCY4 unit when usingthe *CONT802 or / ..A11110111.- � -- .,,"; �' � *CONT803 Comfort Controls since these two controls produce ��� only a W1 output for auxiliary heat. This will result in low fire =oma_ ` ;�%,%.,'� gas heating for 10 minutes or for as long as W1 is present if �_,�� ��, less than 10 minutes. Then, if the W1 signal is still present from ;•, $ ��� .,.�i� ��� the Comfort Control, the 4DCY4 unit will transition o, �� automatically to high fire and operate on high fire for the ���` _ I T remaining duration of the call for auxiliary heat. 1 • ° NOTE: The JP1 Dual Fuel jumper wire on the printed circuit board of the `CONT402 must be cut for proper and reliable IIPAINml ° operation of this dual fuel 4DCY4 unit. There is no jumper to 0 cut on the *CONT802 and*CONT803 Comfort Controls a • / —+— �M® Q TWO MODES OF OPERATION: _ / The unit can be installed and configured to operate in one of two different heating modes: restricted and non-restricted.A brief Figure 21.Mounted Disconnect Location explanation of each mode follows. RESTRICTED: In the restricted mode of operation an outdoor temperature sensor is used to cause the unit to operate in the Control Wiring(Class II) Low voltage control wiring should not be run in conduit with power heat pump mode above a selected outdoor temperature and to wiring unless Class 1 wire of proper voltage rating is used. Route operate in the gas heating mode below the selected outdoor ir thermostat cablesor equivalentofropesingle leads No. AWG temperature.The gas heat will operate with the heat pump when the unit requires a defrost cycle. The gas heat is used to offset colored wire from the thermostat subbase terminals through the rubber grommet on the unit.See Figures 2 or 5 for the control entry the effect of the unit goinge into the cooling mode to transitionduring defrost. to (24V Entry)location. Make connections as shown on the unit wiring Fors the heat even when the unit utll o commanded boto diagram. gas even the outdoor temperature is above the selected outdoor temperature changeover point if the heat Do not short thermostat wires since this will damage the control pump capacity is not enough to maintain the indoor temperature transformer. at the desired heating setpoint. Refer to Table 6 for recommended wire sizes and lengths for installing the unit thermostat. The total resistance of these low NON-RESTRICTED: This mode of operati on allows the unit to operate in the heat pump mode during the first call, or stage, of voltage wires must not exceed one (1) ohm. Any resistance in excess of 1 ohm may cause the control to malfunction because of heat commanded by the indoor thermostat. If the heat pump the excessive voltage drop. capacity is sufficient, gas heat will not be required. If the heat pump capacity is not enough to maintain the indoor temperature at the desired heating setpoint, the thermostat will call for the Table 6.Thermostat Wire Size and Maximum Length second stage of heat. At that point, the gas heat will begin to operate and the heat pump will be locked out. As in the restricted mode, the gas heat will act as supplementary heat during the unit's defrost cycle. See the Field Wiring Diagram, page 21, for field wiring Page 20 instructions. ' Installer's Guide High Altitude Installation Unit nameplate ratings are based on equipment operation from sea NOTE:This unit is factory wired for 230V. See wiring diagram level to 2000 feet elevation above sea level. No orifice changes in SERVICE FACTS for 208V conversion. required for high altitude installation, please refer to below chart Electrical Connections for rating information. Electrical wiring and grounding must be installed in accordance Table 4.High Altitude Derate Chart with local codes or,in the absence of local codes,with the National Electrical Code ANSI/NFPA 70, Latest Revision. HIGH ALTITUDE DERATE CHART NAT. NOTE: For branch circuit wiring (main power supply to unit Unit Input Altitude (In Feet) disconnect),determine wire size for the length of run using the 120k 2001 3000 4000 5000 6000 7000 8000 circuit ampacity found on the unit nameplate and the N.E.C. High stage 117000 108700 100400 92000 90700 89400 88800 For more than 3 conductors in a raceway or cable, see the Low stage 87700 81500 75300 69000 68000 67000 66600 N.E.C. for derating the ampacity of each conductor. 96k Hig stage 8700 8030073600 726007150071000 Lowhstage 9360010200 65200 602001 552001 5440011536001 53300 , a 75k High stage 731001 679001 627001 `\ FP o " Low stage 54800 51000 47100 43100 42500 41900 41600 \ti I ''.t.'"' Run power supply 64kLines through High stage 624001 580001 53500 49100 48400 47700 47300 ® . 1 fire. o : ?Nal ri g in weather-tight Low stage 46800 43500 40200136800 36300135700135500 !!i \ \ .. ° conduit and Inputs shown are with factory orifices @ 3.5"WC(High Fire) \•1\,II►! • I'\ =,1secure to unit with 1.8"WC(Low Fire) `• "\� �/ strain relief Natural Gas heating value of 950 btu/cult. -�'—= rdi�l For LP installations.Models that require#49 orifices,for 111 altitudes from 7000-8000'orifices must be changed to#50. 1II��i Air Filter Installation 4 lip- lig . , m �0 P The packaged unit requires an air filter. The unit does not come Figure 19.Power Wiring with a factory installed filter rack in it, however, two filter frame accessories are offered that will allow the installation of a filter within the unit, BAYFLTR101 & BAYFLTR201. Otherwise a field Electrical Power It is important that proper electrical power be available for the unit. supplied filter rack must be installed by the installer in the return ductwork.Refer to Table 5 to determine filter sizes for field supplied Voltage variation should remain within the limits found on the unit filter racks. nameplate. Table 5.Filter Sizes(field supplied filter rack) Disconnect Switch pp Provide an approved weatherproof disconnect within close prox- NOMINAL FILTER FILTER imity and within sight of the unit.If disconnect must be mounted UNIT to the cabinet,the location shown in Figure 21 should be the only CFM SIZE(Sq Ft) RESISTANCE("W.C.) one considered. 4*CY4024 800 2.67 0.08 Over Current Protection 4'CY4030 1000 3.33 0.08 4*CY4036 1200 4 The branch circuit feeding the unit must be protected as shown on 0.08 the unit nameplate. 4*CY4042 1400 4.67 0.08 Power Wiring 4*CY4048 1600 5.33 0.08 The power supply lines must be run in weather-tight conduit to the 4*CY4060 2000 6.67 0.08 disconnect and into the side of the unit control box. Provide strain *Filters must be installed in the return air system. The above square relief for all conduit with suitable connectors. footages are based on 300 F.P.M.face velocity. If permanent filters are Provide flexible conduit supports whenever vibration transmission used,size permfg.Recommendation with clearresistance of 0.05"W.C. may cause a noise problem within the building structure. 1. Remove the CONTROUHEAT access panel. Pass the power Electrical Wiring wires through the Power Entry hole in the end of the unit. See Figure 19. A WARNING 2. Connect the high voltage wires to the appropriate contactor lug terminals. Single phase units use a two (2) pole contactor HAZARDOUS VOLTAGE,MOVING PARTS,AND GAS and three phase units use two (2) pole contactor and a Blue Bodily injury can result from high voltage electrical compo- lead wire. Connect the ground to the ground lug on the nents,fast moving fans,and combustible gas.For protection chassis. See Figure 20. Be sure all connections are tight. from these inherent hazards during installation and service, GROUNDING: THE UNIT MUST BE ELECTRICALLY the electrical supply must be disconnected and the main gas GROUNDED IN ACCORDANCE WITH LOCAL CODES OR valve must be turned off. If operating checks must be per- THE NATIONAL ELECTRIC CODE. formed with the unit operating,it is the technician's responsi- NOTE: Unit must be grounded for ignitor to operate properly. bility to recognize these hazards and proceed safely. Gas pipe to unit is not an adequate ground. Ground the unit internally as provided. Page 19 Installer's Guide 4. Before connecting the piping circuit to the unit,bleed the air from the supply line and then cap or plug the line and test the a.Attach a manifold pressure gauge. pressure at the tapped shut-off cock. The pressure reading b.Remove the slot screw on top of the gas valve for 1st should not exceed 14 inches water column. stage manifold pressure adjustment. Remove slot screw on outlet side for 2nd stage adjustment (See Figure 18). 5. Using an appropriate backup wrench on the gas valve inlet c.Turn the adjustment nut in to increase the gas flow rate, boss,connect the gas piping to the unit. Check the completed and out to decrease the gas flow rate using a 3/32" hex piping for leaks using a soap and water solution or the equiva- wrench. lent. 6. After installation of the gas pipe in the unit, the pipe opening should be closed with the filler/barrier plug provided. Manifold Pressure Table 3.Gas Flow in Cubic Feet Per Hour Check the manifold pressure at the unit gas valve. Do not exceed 2 Cubic Foot Dial the recommended pressure shown on the unit nameplate. Sec. Flow Sec. Flow Sec. Flow Sec. Flow Input Check and Adjustment 8 900 29 248 50 144 82 88 1. Make sure all gas appliances are off except the furnace. 9 800 30 240 51 141 84 86 2. Clock the gas meter with the furnace operating (determine 10 720 31 232 52 138 86 84 the dial rating of the meter) for one revolution. 11 655 32 225 53 136 88 82 3. Match the"Sec"column in the gas flow(in cfh)Table 3, with 12 600 33 218 54 133 90 80 the time clocked. 13 555 34 212 55 131 92 78 4. Read the "Flow"column opposite the number of seconds clocked. 14 514 35 206 56 129 94 76 5. Use the following factors if necessary. 15 480 36 200 57 126 96 75 16 450 37 195 58 124 98 73 For 1 Cu.Ft.Dial Gas Flow CFH= Chart Flow Reading 2 17 424 38 189 59 122 100 72 For 1/2 Cu Ft.Dial Gas Flow CFH= Chart Flow Reading 18 400 39 185 60 120 104 69 4 19 379 40 180 62 116 108 67 For 5 Cu.Ft.Dial Gas Flow CFH= 10X Chart Flow Reading 20 360 41 176 64 112 112 64 4 NOTE: For manifold pressures and orifice sizes for gas with other 21 343 42 172 66 109 116 62 BTU ratings,contact the local gas utility. Manifold 22 327 43 167 68 106 120 60 pressure should be 1.8 (low)to 3.5(high)inches water column 23 313 44 164 70 103 124 58 (+0.1). Input for natural gas must not exceed the value shown on 24 300 45 160 72 100 128 56 the unit nameplate. 25 288 46 157 74 97 132 54 6.Multiply the final figure by the heating value of the gas 26 277 47 153 76 95 136 53 obtained from the utility company and compare to the name- plate rating. This must not exceed the nameplate rating. 27 267 48 150 78 92 140 51 7.Changes can be made by adjusting the manifold pressure. 28 257 49 147 80 90 144 50 2nd Stage(HI) ,. \ Outlet Pressure Boss Manifold Pressure �� Adjustment ftVE ice' .�. .�.i���/�:+/- egulator i I II I�1' `%�1� i[ 1 vent ' !' � ,! Cc' t i II (� 1 7stSta Stage I�i \/ (LO) g ;Is ��.�� _' .�=J I Manifold 4r sJ ' �7�1. Ill I • G�0 r� @il Adjustment /Al 0, \ <;, I Inlet CO 41 00011 'NM:I 04�j� .. _ '� �I Pressure - Coaxial Coil .� 4 _� Boss Gas Valve Terminal(M) ` � '•Jl �� ON/OFF High Fire Coil Common 4a Tooggle e Terminal(H) Terminal(C) AFF Figure 18.Burner and Valve Page 18 IMPORTANT: Before making the gas pipe connection give serious Installer's Guide consideration to providing the clearance necessary to remove the Gas Pressure Set-up Precautions access panels on the unit (e.g., economizer and filter access panels). IMPORTANT: Do not connect gas piping to the unit until a line pressure test has been completed. This unit should never be NOTE: In the absence of local codes, the installation must exposed to gas line pressure in excess of 14 inches water column(1/2 PSIG).The furnace and its equipment shutoff valve conform with American National Standard--Z223.1--National Fuel Gas Code, Latest Revision. must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess The available gas supply must agree with the required gas supply of 1/2 psi. marked on the unit nameplate. Minimum permissible gas supply The furnace must be isolated from the gas supply piping system by pressure for purpose of input adjustment must be at least 7.0 in.w. c.(inches water column)for natural gas and 11 in.w.c.for LP Gas. closing its individual manual shut-off valve during any pressure testing of the gas supply piping system at test pressures less than Pipe Delivery Schedule or equal to 1/2 psig(3.48 kPa). NOTE: The following procedure and tables apply to Natural Gas Gas Supply Line Pressure only. Before connecting the unit to the gas supply line, be sure to 1. Obtain from the gas company the heating value and specific determine the gas pressure in the line. gravity of the gas delivered. If the gas supply pressure is excessive (above 14 inches water column or 1/2 psig),install a pressure regulator either at the supply 2. Determine the exact length of pipe needed. source or in the branch circuit serving the unit. Once the regulator is installed,set it to provide a pressure of 7 inches water column with 3. Read BTUH input nameplate on the furnace. the unit operating and no greater than 14 inches water column with the unit not operating. 4. Use the multiplier opposite the specific gravity of the gas given NOTE: Gas pressure in excess of 14 inches water column in Table 1 below and insert in the following formula: (1/2 psig)may damage the regulator, while improper regulation CFH = Furnace Input in BTUH may result at pressures lower than 5.5 inches water column at Gas Heat Contne in BTU/Cu. Ft.X Multiplier the unit inlet. 5. Using Table 2,select the pipe length nearest to calculated size. If the supply line pressure is below the minimum supply pressure indicated on the unit nameplate,contact the gas supply company. 6. Follow this line vertically down to the exact CFH found in Step 4 above or the next highest value. Follow these steps to complete the installation of the unit gas piping. See Figure 17. 7. Read horizontally to the left of this column for the required pipe size diameter. NOTE: The shut-off gas cock must be installed outside of the unit and should meet the specifications of all applicable national and Table 1.Specific Gravity Multiplier local codes. SPECIFIC MULTIPIER GRAVITY DEALER INSTALLED MULTIPIERS TO BE USED .50 1.10 1/8"N.P.T.PLUGGED GROUND UNION WHEN THE SPECIFIC .55 1.04 ACCESS FOR TEST GRAVITY OF THE GAS IS .60 1.00 GAUGE CONNECTION OTHER THAN 0.60 .65 .962 FROM h6" GAS SUPPLY I MIN TO MAIN NOTE: If this is an LP Gas application, consult your LP Gas 1---MINIIMMIL1I"1ITI�lD�C, CONTROL supplier for pipe sizes and deliveries. J VALVE UNIT FIELD SUPPLIED MAIN �' GAS VALVE,MUST BE DRIP LEG Table 2.Natural Gas Only INSTALLED BY DEALER (6"MIN) TABLE OF CUBIC FEET PER HOUR OF GAS OUTSIDE OF UNIT. FOR VARIOUS PIPE SIZES AND LENGTHS Figure 17.Gas Pipe PIPE LENGTH OF PIPE(feet) SIZE 1. Install a tapped,Style A(1/8-inch NPT tap)shut-off gas cock at (inch) 10 20 30 40 50 60 70 the end of the gas supply line near the unit. Be sure the tapped 1/2 132 92 73 63 56 50 46 gas cock is downstream of the pressure regulator, if used. 3/4 278 190 152 130 115 105 96 2. Install a ground union joint downstream of the shut-off cock. 1 520 350 285 245 215 195 180 This joint must also be installed outside of the unit. 1-1/4 1050 730 590 520 440 400 370 THIS TABLE IS BASED ON PRESSURE DROP OF 0.3 INCH W.C.AND 0.6 SPGR.GAS 3. Install a drip leg at least six(6)inches in depth next to the union as shown in Figure 17. This drip leg is required to collect any sediment that may be deposited in the line. Page 17 Installer's Guide Ductwork Installation Attaching Downflow Ductwork to Roof Curb Supply and return air flanges are provided on the BAYCURB050 UNIT EXTERIOR and BAYCURB051 model roof curbs for easy duct installation. All WEFIELD ATHERPROOF ductwork must be run and attached to the curb before the unit is setTHIS SEAM DUCT into place. Attaching Downflow Ductwork to Roof Frame Follow these guidelines for ductwork construction: Connections to the unit should be made with three(3)inch canvas UNIT EXTERIOR connectors to minimize noise and vibration transmission. WEATHERPROOF THIS SEAM Elbows with turning vanes or splitters are recommended to mini- FIELD DUCT mize air noise and resistance. Figure 15.Horizontal Airflow Ductwork The first elbow in the ductwork leaving the unit should be no closer than two(2)feet from the unit to minimize noise and resistance. Condensate Drain Piping To prevent leaking,do not attach the ductwork to the bottom of the A 3/4-inch female NPT condensate drain connection is provided on unit base; refer to the bottom example in Figure 14. the filter access panel end of the unit. Provide a trap and fill it with water before starting the unit to avoid air from being drawn through. Follow local codes and standard piping practices when running the THIS AIR Sento drain line. Pitch the line downward away from the unit.Avoid long UNIT BASE horizontal runs. See Figure 16. FIELD DUCT NOTE:Do not use reducing fittings in the drain lines. U FLANGE The condensate drain must be: • Made of 3/4" pipe. AIR PROOF ` THIS SEAM • Pitched 1/4"per foot to provide free drainage to convenient drain UNIT DUCT system. FLANGE UNIT BASE FIELD DUCT • Trapped. AIR PROOF • Must not be connected to a closed drain system unless the trap rtn THIS SEAM is properly vented. UNIT BASE FIELD DUCT UNIT DUCT FLANGE 3/4" PVC OR COPPER TUBING AND FITTINGS UNIT BASE UNIT DUCT f ,.,, 1-1/2" MIN. FLANGE WATERPROOF SEAM WITH BUTYL OR NOT RECOMMENDED SILICONE FIELD DUCT 1-1 2" MIN. Figure 14.Down Airflow Ductwork Attaching Horizontal Ductwork to Unit Figure 16. Typical Condensate Drain Piping All conditioned air ductwork should be insulated to minimize heating and cooling duct losses. Use a minimum of two(2)inches Gas Piping Installation of insulation with a vapor barrier. The outside ductwork must be weatherproofed between the unit and the building. A WARNING When attaching ductwork to a horizontal unit, provide a flexible FIRE OR EXPLOSION HAZARD! watertight connection to prevent noise transmission from the unit to Failure to follow the safety warning exactly could result in the ducts.The flexible connection must be indoors and made out serious injury,death,or property damage.Never test for gas of heavy canvas. leaks with an open flame.Use a commercially available soap solution made specifically for the detection of leaks to check NOTE: Do not draw the canvas taut between the solid ducts. all connections.A fire or explosion may result causing prop- erty damage,personal injury or loss of life. Page 16 Installer's Guide Supply Alr 4%%.4..4# \.7e' . t.--,t' ,.,:v,0 ,,,,, 410„....%,.. ....-----"... ___\......;-.1, „ ,„... ,,,,,‘„.. ! io, , Roof Flashing : •4, / A ••it, , ti. Channel Iron Center \* : Support(Center Support required on all Frame Applica- \ , '' �'g tions.) '� AngleIron Frame Figure 12.Typical Rooftop Horizontal Airflow Application with Frame Ar►+i;0011'' ' ' ' 1.\11111110%111v.— +��+ \..4°I..\,..->"-- 1 '> ONO' ..-;,,:01:%44444%... 4,),.\/',5 if Ver- 4 4N42434 , - -,, s: \ 1p \ ` , Supply Air Return Air ,I� ;; ti.,,:, „0 , IP** r, s ` '/IIIA\ .\ ' r ,: . Roof Flashing / rr. ` Roof Flashing k10.11 °4s l'C -‘. Lit *4• \-4 $fr Nilk Channel Iron Center Support 11104, / Angle Iron Frame (Center Support required on all Frame Applications.) Figure 13.Typical Rooftop Down Airflow Application with Frame Page 15 Installer's Guide 0 4 IMPORTANT: To prevent damage 11 to the sides and top of the unit when I.Base of unit , s Drip lip on rest on top of perimeter of on thehoistingunit or retain usethe"spreadertopshipping bars"askid caro calls)16. unit I shown in these illustrations. Spreader Bars ki ifil [ _...-.,,_ ,,,...11 ....„-- 1 '%. 411411,-; „A„ • I1 •jr: I 111:,i,'„,llisii‘ i • 1, -.0 ' ,,,,,,,, ,., TpflgJLed to unit -010 Gasket Seal 4 Dnp Lip,// �IvBAYLI 002A Dimple Lifting Lugs Figure 10.Lifting and Rigging A J E H L _ I �\ 2-7/8" II I I } 1 II -C- MAX I ri1m1 oPenTNoDOWNFL°M1 K umT °O ow I I 0 13 CURB WIDTH I I L I I I 11 1 II I tr I CURB RECESS) Ii -ITER I I -2-7/8" I II I II II x r�corBel�alPRD CURB I I rIBTR3R Iro roc RB PRJIr00FE►�4 Paces I 1 "`---_riam CURB 6118E PAN 16/8 x 13/8 IMT ' -D- MAX. CURB LENGTH MITER 14 a7(i96681 iiir_mi_or_LIMEBAm_eatijimuseuissimumunt m PROM onaez REFERENCE BJ..UBTRATION FOR A CUSTOMER SUPPLE/BOOP CURB MODEL A I B I C I D I E I F G H I J K L 2/4 TC•,YCa,WC.,DC*018,024,030,036 48-3/8 40-7/8 38-7/8 46-3/8 16 12 >< 6-5/8 6-7/8 12 16 2/4 TC•,YC•,WC•,DC.002.048.060 58 43-7/8 41-7/8 56 18 15 18 9-5/B 12-I/2'>-<- 15 This drawing was prepared by the manufacturer in order to provide detail regarding job layout only.This drawing is not intended to be used as a basis to construct, build or modify the item depicted in the drawing. The manufacturer is not responsible for the unauthorized use of this drawing and expressly disclaims any liability for damages resulting from such unauthorized use. Figure 11.Curb Dimensions Page 14 Installer's Guide 41 "1 • 'I 04' le N.. 0) cp cp / I ;• { ii III• Il 4,7 • I. ill - • s) > 9' it 0 ''. . .. . .." 'i' - I //1/ gtt 4110 2, Small Cabinet Medium Cabinet *****018-036 *****042-060 NOTE: These views represent the base as viewed looking up from underneath the unit. IMPORTANT: Unit requires vibration isolator supports in the general areas shown. Locate 3/4" thick vibration isolators on the bottom of the basepan as illustrated by black dots for ground level pad applications. Modify vibration isolator location as necessary for frame and rail applications. Figure 9.Vibration Isolators/Snow Feet Locations Rooftop Installation—Frame Mounting Rooftop Installation—Flat Roof-No Curb/Frame For roof top applications using field fabricated frame and ducts,use For roof top applications using field fabricated ducts and sleeper the following procedure: rails rather than a curb or frame, use the following procedure: 1. Locate and secure the frame to the roof by bolting or welding. 1. Locate and secure the sleeper rails to the roof. Three (3) Frame must provide adequate center support via a cross sleeper rails are required. One on each end to support the member centrally located channel rail. See Figures 12 and 13 edges of the unit and one across the center of the unit. The on page 15.Vibration isolators should be installed as indicated center rail must run inside both drip lips. Vibration isolators in Figure 9, adjust as necessary for your frame.The isolators should be installed as indicated on Figure 9,adjust as neces- must be placed on base pan, not drip lip. Add flashing as saryforyoursleeper rails.The isolators must be placed on base required. Flashing must conform to local building codes. pan, not drip lip. Add flashing as required. Flashing must 2. Prepare the hole in the roof in advance of installing the unit. conform to local building codes. 2. Prepare the hole in the roof in advance of installing the unit. 3. Secure the horizontal or down airflow ducts to the roof. Refer to the previous Convert from Horizontal Airflow to Down Airflow 3. Secure the horizontal or down airflow ducts to the roof. Refer section on page 11, if conversion is needed. to the previous Convert from Horizontal Airflow to Down Airflow 4. All fabricated outdoor ducts should be as short as possible. section on page 11, if conversion is needed. 5. Place the unit on the frame. Refer to Figures 12 or 13 on page 4. All fabricated outdoor ducts should be as short as possible. 14. 5. Place the unit on the rails. 6. The unit must be mounted level for proper drainage of water 6. The unit must be mounted level for proper drainage of water through the holes in the base pan. through the holes in the base pan. 7. Secure the unit to the frame. 7. Secure the unit to the rails. 8. Insulate any ductwork outside of the structure with at least two 8. Insulate any ductwork outside of the structure with at least two (2)inches of insulation and then weatherproof. There must be (2)inches of insulation and then weatherproof. There must be a weatherproof seal where the duct enters the structure. a weatherproof seal where the duct enters the structure. 9. The unit should not be exposed to direct roof water runoff. 9. The unit should not be exposed to direct roof water runoff. 10. Flexible duct connectors must be of a flame retardant material. 10. Flexible duct connectors must be of a flame retardant material. All duct work outside of the structure must be insulated and All duct work outside of the structure must be insulated and weatherproofed in accordance with local codes. weatherproofed in accordance with local codes. 11. Access and service clearances for the unit must be given 11. Access and service clearances for the unit must be given careful consideration when locating the duct entrance open- careful consideration when locating the duct entrance open- ings. Figures 1 to 6, on pages 4-9, provide unit dimensions. ings. Figures 1 to 6, on pages 4-9, provide unit dimensions. 12. Continue with the following installation sections to complete 12. Continue with the following installation sections to complete the installation:Ductwork on page 16,Gas Piping on page 17, the installation:Ductwork on page 16,Gas Piping on page 17, Filter on page 19, and Electrical Wiring on page 19. Filter on page 19, and Electrical Wiring on page 19. Page 13 Installer's Guide Lam► - ,-----. HORIZONTAL SUPPLY SHEET / AIR COVER METAL / SCREWS HORIZONTAL ERTURN, AIR COVER Figure 8.Converting Horizontal to Down Airflow Lifting and Rigging IMPORTANT: To prevent damage to the sides and top of the unit when hoisting,retain the top shipping skid on the unit or use A WARNING "spreader bars" as shown on page 14. Improper Unit Lift! Test lift unit approximately 24 inches to verify proper IMPORTANT: The unit must be lowered into position. The P.V.C. rubber tape on the curb flange permits the unit to be center of gravity lift point.To avoid dropping of unit, reposition lifting point if unit is not level.Failure to properly repositioned if required without destroying the P.V.C. rubber lift unit could result in death or serious injury or possible seal affixed to the mounting curb. equipment or property-only damage. IMPORTANT: Do not lift the unit without test lifting for balance and rigging. Do not lift the unit in windy conditions or above Placing the Unit on the Mounting Curb personnel. Do not lift the unit by attaching clevis,hooks,pins,or 1•The unit is designed with a perimeter drip lip that is lower than bolts to the unit casing, casing hardware, corner lugs, angles, tabs, or flanges. Failure to observe these warnings may result the unit base pan, see Figure 10, inset A,on page 14. in equipment damage. 2. Position the unit drip lip down over and in contact with the 1.Before preparing the unit for lifting, check the unit dimension outside corner of the curb,as illustrated in Figure 10, inset A, drawings for center of gravity for lifting safety(Figures 1 to 6, on page 14. Continue to lower the unit on top of the curb,with page 4-9). Because of placement of internal components,the unit's the unit drip lip astraddle,and in contact with,both the end and side rail of the curb.The unit should now rest on top of the curb. weight may be unevenly distributed.Approximate unit weights are also provided in the unit drawings. Use the extreme mounting kit, BAYEXMK001A, to add addi- tional hold down strength to the mounting. NOTE: When unit ggriing and hoisting it is recommended that accessory kit BAY rigging be used.It includes a kit of four(4) NOTE: The ductwork is installed as part of the curb installation. Do not attach ductwork to the unit and lower the unit with lifting lugs. See Figure 10 inset B, on page 14. ductwork onto the curb. 2. Insert the four lifting lugs in the openings provided in the drip lip on each end of the unit. See Figure 10 inset B on page 14. A tap or jerk to the lug will overcome the interference that arises due to the dimple on the lug. 3. When hoisting the unit,be sure that a proper method of rigging is used. Use either the unit's top shipping skid with straps or slings and spreader bars for protection during lifting. Always test-lift the unit to determine the exact unit balance and stability before hoisting it to the installation location. 4. When the curb and air ducts have been properly installed,the unit is ready to be hoisted to the roof and set in position. Page 12 • Installer's Guide Step 4—Unit Installation 5. Flexible duct connectors must be of a flame retardant material. Insulate any ductwork outside of the structure with at least two NOTE: The factory ships this unit for horizontal installation. (2) inches of insulation and weatherproof. There must be a Install Flue Hood weatherproof seal where the duct enters the structure. 6. Do not expose the unit to direct roof water runoff. 1. Locate the Flue Hood in the literature package. 7. Seal all holes through exterior walls in accordance with local 2. Remove the two Flue Hood mounting screws from the unit.They codes. are located to the right of the Power Entry connection panel. 8. Continue with the following installation sections to complete 3. Attach the Flue Hood to the unit with the two screws removed in the installation:Ductwork on page 16,Gas Piping on page 17, step 2.See Figure 2 on page 5 or Figure 5 on page 8 for correct Filter on page 19, and Electrical Wiring on page 19. orientation of the Flue Hood. Ground Level Installation Rooftop Installation—Curb Mounting To install the unit at ground level: Convert Horizontal Airflow to Down Airflow 1. Place the unit on a pad the size of the unit or larger.The unit must The factory ships the unit for horizontal airflow. Perform this be mounted level for proper drainage of water through the holes procedure to convert the unit to down airflow: in the base pan. To securely attach the unit to the slab, use extreme mounting kit, BAYEXMK003A. 1. Remove the three(3)sheet metal screws securing the supply air cover and the four(4)sheet metal screws securing the return air The pad must not come in contact with the structure(see Figure cover from the base of the unit.Remove the covers from the base. 7.) Be sure the outdoor portion of the supply and return air ducts are as short as possible. See Figure 8,page 12. Unit requires vibration support as indicated in Figure 7 below 2. Place the covers over the horizontal supply and return openings and in Figure 9 on page 13. (painted side out).Align the screw holes,and secure using the 2. The louvers above and below the Flue Hood in the side same screws removed in step 1. panel must have adequate clearance around the air opening into the combustion area. Install Full Perimeter Roof Mounting Curb 3. Location of the unit must allow service clearance around it. 1. Verify that the roof mounting curb is correct for the unit.There are two Clearance of the unit must be given careful consideration. See curbs depending on the unit cabinet sizes: Figures 1 to 6, pages 4-9. •4DCY4024 through 4DCY4036 use model BAYCURB050A. NOTE:Any reduction of the unit clearances indicated in •4DCY4042 through 4DCY4060 use model BAYCURB051A. these illustrations may result in condenser coil starvation or 2.Assemble and install the curb following the instructions in the the recirculation of warm condenser air. Actual clearances, which appear to be inadequate should be reviewed with a Installer's Guide included with the curb. local engineer. IMPORTANT:The air outlet duct must have 1"clearance to combustible material downstream from the unit. 4. Attach the supply and return air ducts to the unit as explained in the following Ductwork Installation section on page 16. SIDING RETURN SUPPLY AIR AIR -------- DUCT DUCT �''"~ ' '.' _.:/- OUTDOOR AIR . DISCHARGE `f fih I _ 011 -�` Note: Use the extreme I 11 mounting kit,BAYEXMK003A, iu ;% ",, to secure the unit to the slab. 7 } EXTERIOR , SUPPORT PAD f \' FOUNDATION WALL 'INSULATE �' -`- 3/4"VIBRATION ISOLATORS,USE 7ISOLATORS AS WEATHERPROOF FLEXIBLE DUCT OR RAIN SHIELD CONNECTORS SHOWN IN FIGURE 9,PAGE 13. Figure 7.Typical Ground Level Applications Page 11 Installer's Guide Step 3-Review Location and Recommendation Information NOTE: The unit is shipped for horizontal installation. Down Airflow Units NOTE: During heating operation, avoid supply air below 80 1. Location of the unit must allow service clearance around it to degrees F or return air below 50 degrees F to prevent flue gas ensure adequate serviceability, maximum capacity,and peak condensation. operating efficiency. Horizontal Airflow Units 2. Refer to the Installation section for instruction on converting the supply and return airflow covers to down airflow. 1. Location of the unit must allow service clearance around it to 3. The field assembled Roof Mounting Curb (BAYCURB050A or ensure adequate serviceability, maximum capacity,and peak BAYCURB051A)or a field fabricated curb should be in place operating efficiency. before the unit is hoisted to the roof top. 2. These units are designed for outdoor installation.They may be The Roof Mounting Curb (frame) must be installed on a flat, installed directly on a slab,wood flooring,or on Class A,B,or C level section of the roof(maximum of 1/4" per foot pitch)and roof covering material.The discharge air from the condenser provide a level mounting surface for the unit. Also,be sure to fans must be unrestricted for a minimum of 3 feet above the unit. provide sufficient height above the roof to prevent water from 3. The louvers above and below the flue hood in the side panel entering the unit. must have adequate clearance around the air opening into the 4. Be sure the mounting curb spans structural members(trusses) combustion area.See Figure 2 on page 5 or Figure 4 on page 7. of the roof,thereby providing sufficient support for the weight 4. Examine all flue product-carrying areas of the furnace,its vent of the unit,the curb,the duct(s),and any factory or field installed system,and the main burner for safe operation. accessories. IMPORTANT: Air outlet duct must have 1"clearance to 5. The unit must be mounted level for proper drainage of water combustible material downstream from the unit. through the drain holes in the base pan. 5. Exhaust vents or other sources of contaminated air must not be 6. Be sure the hole in the structure for the ducts is large enough near the unit's air inlet if outside air is to be introduced as make- to accommodate the fabricated ducts and the insulation sur- up air or a ventilation feature is to be used.Contamination from rounding them. Flexible duct connectors must be of a flame exhaust vents or chimneys may also foul the condenser causing retardant material.All duct work outside of the structure must degraded performance. be insulated and weatherproofed in accordance with local 6. Check the handling facilities to ensure the safety of personnel codes. and the unit(s). 7. Holes through exterior walls or roof must be sealed in accor- 7. The unit must be mounted level for proper drainage of water dance with local codes. through the drain holes in the base pan. 8. These units are designed for outdoor installation.They may be installed directly on a slab,wood flooring,or on Class A,B,or 8. The unit should not be exposed to direct roof water runoff. C roof covering material.The discharge air from the condenser 9. Flexible duct connectors must be of a flame retardant fans must be unrestricted for a minimum of 3 feet above the unit. material.All duct work outside of the structure must be insulated and weatherproofed in accordance with local codes. 9. The louvers above and below the flue hood in the side panel must have adequate clearance around the air opening into the 10. Holes through exterior walls or roof must be sealed in combustion area. accordance with local codes. 10. Examine all flue product-carrying areas of the furnace,its vent 11. All fabricated outdoor ducts should be as short as possible. system, and the main burner for safe operation. Clearances IMPORTANT: Air outlet duct must have 1" clearance to 1. The recommended clearances for single-unit installations are combustible material downstream from the unit. illustrated in Figures 1 to 6,pages 4-9. 11. Exhaust vents or other sources of contaminated air should not 2. Any reduction of the unit clearances indicated in these figures be near the unit's air inlet if outside air is to be introduced as may result in condenser coil starvation or the recirculation of make-up air or a ventilation feature is to be used. ul the ona- warm condenser air. Actual clearances,which appear to be tion from exhaust vents or chimneys may also foul the con- inadequate should be reviewed with a local engineer. denser causing degraded performance. 12. Check the handling facilities to ensure the safety of personnel 3. See the unit's nameplate for the absolute minimum clearance between the unit and any combustible surfaces. and the unit(s). Clearances 1. The recommended clearances for single-unit installations are illustrated in Figures 1 to 6,pages 4-9. 2. Any reduction of the unit clearances indicated in these figures may result in condenser coil starvation or the recirculation of warm condenser air. Actual clearances,which appear to be inadequate should be reviewed with a local engineer. 3. See the unit's nameplate for the absolute minimum clearance between the unit and any combustible surfaces. Page 10 Installer's Guide -1 I I I I I I I li•,A 0,,,.----- ,,,,,,,,-----". -1-1.. ... - -..__.....• \ - •: � '-- mi,-' 26) ' 1111 (OUTSIDE)^ maillill ki......,II... . ,--- --------[58.19 Worir RE (2.291 \•- ..----331.54 SUPPLY (13-1/161 449.02 88.21 [11-11/161 (3-15/321 (OUTSIDE) 449.02 116.01 • (17-II/161 . (6-15/16] (OUTSIDE) BACK DUCT OPENINGS .. AEI NW + I - vZr 17.781 r A [11/161 - i - 1 1 _i___- ��I11 530.60 SECTION X-X • y 1 [20-7/81 TYPICAL (8) SIDES OFSSIDEFLOW DUCT OPENING • X /v` tJ � to . • • i - 1355.64 [53-3/81 (SURFACE AREA) BACK SIDE HEIGHT NM/IN. APPROX. CORNER WEIGHT - KG/LBS SHIPPING TOTAL UNIT CENTER OF GRAVITY MM/IN, MODEL WEIGHT WEIGHT A WI W2 W3 WI KG/LBS KG/LBS 8 C 4YCY1042/048A (096) 75.3 11661 50.3 11111 45.4 [100] 61.6 [149] 296.5 [6531 238.1 [5251 444.5 [17.5] 698.5 [27.51 949.33 [37-3/81 0040/8A 11201 75.7 1167] 50.8 [112] 45.8 [101] 68.5 [1511 299.2 16591 240.9 [5311 444.5 [17.51 698.5 [27.51 4YCY/0488 (096) 949.33 131-3/81 77.1 (170] 52.2 [115] 47.2 [104] 69.4 [1531 303.4 16691 245.9 [541] 444.5 [17.51 698.5 [27.5] 00.40480 (120) 949.33 [37-3/8] 77.1 (170] 52.2 [115] 47.2 [104] 69.1 [1531 303.4 16691 245.9 [541] 444.5 117.51 698.5 127.51 4YCY4060A1/A3 1120) 1050.93 141-3/81 82.1 (181) 46.3 [102] 43.1 (951 76.7 [169] 306.9 [6761 248.6 [548] 101.3 (15.81 711.2 128.01 IDCY4042/048A (096) 949.33 [31-3/8] 77.1 (1701 51.3 [113] 45.4 [100] 67.6 [149] 296.5 [6531 238.4 [525] 442.0 [11.41 698.5 127.51 4DCY40480 (096) 949.33 137-3/81 78.9 11741 53.0 (117] 47.2 [1041 69.4 [153] 306.6 [6761 248.5 [548] 442.0 117.41 698.5 [27.5] 4DCY4060 1120) 1050.93 141-3/81 83.9 [185] 41.2 [104) 43.1 (951 76.7 1169] 306.9 16761 248.8 [548] 398.8 [15.11 711.2 128.01 4YC/604841/A3/A4 1096) 75.7 [1671 50.8 (1121 45.8 [1011 68.5 [151] 299.2 (6591 240.9 [5311 444.5 [17.51 698.5 (27.51 1050.93 [41-3/8] 4YCZ6018A1/A3/44 1120) 81.6 [1801 46.3 [1021 42.2 [93] 13.5 [1621 301.6 1665] 213.6 [537] 419.1 [16.51 106.1 [27.81 4YCZ6060A1/A3I44 1120) 1050.93 [41-3/81 82.I [1811 46.3 [1021 43.1 [951 76.7 [1691 306,9 (676] 248.6 [5481 401.3 [15.81 711.2 [28.01 40C26048 1096) 1050.93 141-3/81 81.6 [1801 46.3 [1021 42.2 [93] 13.5 [1621 301.6 [665] 243.6 [5311 419.1 [16,51 706.1 [27.81 40CZ606D 1120) 1050.93 (41-3/8] 83.9 [1851 47.2 [104] 43.1 [951 15.1 11691 306.9 (6761 248.8 [5481 398.8 [15.71 711.2 [28.01 Figure 6. 4DCY4042 through 4DCY4060(3 of 3) Page 9 Installer's Guide .. __.....iiiiiiii„.. ,_ ,-... ifidir -='- 1-1111.0(,-.-0.4,4,.. ;:., .. vehl, ?,. .. ----,. .11,p,,---________.....------ 1411 U '� III 381.00 457.20 \\ IV I � [IS] [181 •• �— 321.45 (INSIDE) (INSIDE) •. '-�. - RETURN [12 29/321 IIF:-� 85.60 SUPPLY 457.20 [3-3/81 [181 84, 12 ( INSIDE) [3-5/161 244.09 381.00 [9-5/81 [15] ( INSIDE) BOTTOM DUCT OPENINGS RECOMMENDED SERVICE CLEARANCE MN/IN. WITH 0 A. DAMPER/ECON. BACK SIDE 301.8 (12] 762,0 (301 LEFT SIDE 911.1 (361 1066.8 (121 RIGHT SIDE 911,1 (361 - FRONT SIDE 1066.8 (121 - s —111 CLEARANCE TO COMBUSTIBLE MATERIAL NM/IN. — • - • ii. s�1• fIW�W< —_sl BACK SIDE 25.1 111 — - - - LEFT SIDE 152.1 161 — — - RIGNT SIDE 301.8 nn 24V ENTRY FRONT SIDE 304.8 112] __ TOP 911.1 136] ,: f hp! 359.80 lilt [ 14-5/32] 294.02 [11-9/161 178.66 [7-1/321 It POWER ENTRY 27.78 DIA. HOLE 106.05 7 [1-3/32] [4-3/16] GAS LINE ENTRY 119.74 FOR 12.70 [I/2] N.P.T. [4-23/321 GAS CONNECTION 148.92 - IIS [5-7/8] RIGHT SIDE Figure 5. 4DCY4042 through 4DCY4060(2 of 3) Page 8 • Installer's Guide - 1531.67 —.1.—135.39 (60-5/161 (5-11/321 — C 1 INLET 12 j 1 13 I������0111114114‘1101111l>>i� 1169.92 INLET .� 1 (16-I/I6] F �11F111�11 , !�l(t' �� � INLET I,�t<<� �0 �%�� �/� FLUE HOOD �f. i. 222.69 NI � (6-25/321 ./ Ne A INLET TOP SIDE A ENTER OF GRAVITY OUTLET MIS _www . • A • 14‘ • 25.40 111 FRONT SIDE 575.06 ONDENSATE DRAIN FOR (22-5/61 19.0 13/4] FEMALE NPT LEFT SIDE NOTE: The view labed . "Bottom Side" represents the base as viewed I :���� looking up from under- r neath the unit. • ® y ) 1 1 . '- -t-- _� le.o3 Ie z9 Y Y / . _ - 123/321 123/321 _ }-t-14.22 (9116 A. (9/161 VECTION Y-Y TYPICAL (8) SIDES OF DONNFLON DUCT OPENINGS BOTTOM SIDE Figure 4. 4DCY4042 through 4DCY4060(1 of 3) Page 7 Installer's Guide ..; ,,.._ rippo _, ________;._.......- B• ,,,..... G�%, 296.62 %� [11-11/16] . .„ _,,____ . ...______ E (OUTSIDE) . .. .___ .� 58. 19 ,:155.1155:....'' RETURN [2 9/32] - SUPPLY �� 398.22 [15-11/16] (OUTSIDE) 116.01 398.22 Jr [6-15/16] [15-II/16] (OUTSIDE) BACK DUCT OPENINGS -..-- = --- \ 4i• - 530.60 • - ---------T----r--; x i x I .. .. $ 17.18 ( 67 1/ 1 1 r--- 1108.75 X-X [443--21/32] SECTION X [SURFACE AREA) TYPICAL 18) SIDES OF SIDEFLOW DUCT OPENINGS BACK SIDE HEIGHT MM/IN. FLUE HOOD N/BRBT APPROI, CORNER WEIGHT - BG/LBS MODEL MM/IN. SHIPPING TOTAL UNIT CENTER OF GRAVITY NN/IN. WEIGHT WEIGHT A D NI 82 83 N/ NG/LBS NG/LBS B C /YC7/021 10611 903.29 135-9/161 59.0 [1301 37.2 [821 11.3 (691 /8.5 [1071 218.4 (481) 174.8 (3851 401.3 [15.81 516.1 [21.5] 48CY1030 10751 1YCY4036/17C26036 (075) 111.86 [4-5/8] 60.3 (1331 36.3 (801 30.1 [67] 50.3 (111] 221.6 1488) 118.0 (3921 388.6 [I5.31 558.8 (22.01 919.99 (373/8) 11C74036/0C26036 10961 61.2 (135] 36.7 (81) 30.8 [68] 51.1 II13] 223.8 11931 180.1 (3971 388.6 [15.31 558.8 122.01 400.1024 (064) - 903.29 135-9/161 60.8 (114] 38.1 [84] 31.3 (691 18.5 [101] 218.4 (481) 174.8 (3851 398.8 (15.7] 546.1 (21.5] IDCY/030 (0)5) II7.86 (4-5/8] 400/036/40C26036 10751 919.99 [31-3/8] 62.1 11371 31.2 (821 30.4 (67) 50.3 [1111 221.6 (188) 178.0 (3921 386.1 (15.21 558.8 [22.0] Figure 3. 4DCY4024 through 4DCY4036(3 of 3) Page 6 Installer's Guide 1111111166 4 , .4 g ---•- — - ... ,. . e< 304.80 000°.,...- RETURN [121 �\c ( INSIDE) `� � 406.40 SUPPLY [ 16] ( INSIDE) 1 167.89 I [6-5/81 406.40 [ 16] ( INSIDE) BOTTOM DUCT OPENINGS RECOMMENDED SERVICE CLEARANCE MM/IN. WITH ECONOMIZER BACK SIDE 301.8 [121 762.0 [301 LEFT SIDE 762.0 [301 914.4 [36] RIGHT SIDE 911.4 [36] - FRONT SIDE 1066.8 [421 - CLEARANCE TO COMBUSTIBLE MATERIAL MM/IN, I • BOTTOM 0 . . .1 BACK SIDE 25.4 [II -~ A�i --: - -. im,K LEFT SIDE 152.4 [61 -- - RIGHT SIDE 301.8 [121 24V ENTRY `�� it FRONT SIDE 304.8 [121 TOPI .:, 911.4 [36J plop._1�\ 359.80 [14-5/321 294.02 4 1 [11-91161 118.66 • [1-1/321 POWER ENTRY 21.18 DIA. HOLE 106.68 --0- �- [1-3/321 [4-3/16] ft-- AS LINE ENTRY FOR 12.10 (1/2) N.P.T.- 120.37 GAS CONNECTION [4-3/41 149.56 59.561 y RIGHT SIDE Figure 2.4DCY4024 through 4DCY4036(2 of 3) Page 5 Installer's Guide Step 2—Determine Unit Clearances Figures 1 through 6 show the unit critical dimensions. 1286.26 — D — [50-5/8] C i INLET '— x-61.01 ' 12-17/321 W2 e\ // w3 \- .. ....-Z. --.01.Z: -, / 109 . 9 143-41/8] INLET I�11.1��ik,''e�l �, ,�00- �/Ii11111 1 i INLET 44 • B `` �w , FLUE HOOD "000 ------.... ...--- 223.33 MI �� N1 (8-25/32] 4 + INLET TOP SIDE ENTER OF GRAVITY 4 OUTLET 1., . • a o ilk] • . A . in 1'L _ p.ate.'�. - _...gr. ,...-. ®i♦ 25.10 ONDENSATE DRAIN FOR 111 199.19 19.0 13/11 FEMALE NPT FRONT SIDE v. 119-21/321 LEFT SIDE NOTE: The view labed I "Bottom Side" represents I 1 . , the base as viewed looking up from under- I ' , neath the unit. n L_ —L I '''.}.1..... 18.043 18'249 I 123/321 123/321 'I _1 Yr T`, 1 _ILl.?,1I I SECTION Y-Y j I TYPICAL 181 SIDES OF DOWNFLOM DUCT OPENINGS L _ .......JI r BOTTOM SIDE Figure 1.4DCY4024 through 4DCY4036(1 of 3) Page 4 ' Installer's Guide Contents Introduction Safety Considerations 2 Introduction Read this manual carefully before attempting to install, operate, 3 or perform maintenance on this unit. Installation and maintenance Step 1-Inspect Shipment 3 should be performed by qualified service technicians only. Do Step 2-Determine Unit Clearances 4 NOT use this furnace for temporary heating of buildings under Step 3-Review Location and Recommendation Information 10 construction. Step 4-Unit Installation 11 As shipped from the factory,this unit is for use with natural gas Install Flue Hood 11 only. It is listed by Underwriters Laboratory. An LP Gas conversion kit is available. Extreme mounting kits for slab and Ground Level Installation 11 Rooftop Installation--Curb Mounting 11 curbs are also available. Covert Horizontal Airflow to Down Airflow 11 Packaged units are designed for outdoor mounting with a vertical Install Full Perimeter Roof Mounting Curb 11 condenser discharge.They can be located either at ground level Lifting and Rigging 12 or on a roof in accordance with local codes or National Fuel Gas Placing the Unit on the Mounting Curb 12 Code (ANSI-Z223.1A) Latest Revision. Since these units are designed exclusively for outdoor operation, additional flue venting Rooftop Installation--Frame Mounting 13 systems are not required. Each unit contains an operating charge Rooftop Installation--No Curb/Fram 13 of refrigerant as shipped. Extreme mounting kits are available for Ductwork Installation 16 Attaching Downflow Ductwork to Roof Curb 16 slab (BAYEXMK003A), utility curb (BAYEXMK002B), or curb Attaching Downflow Ductwork to Roof Frame 16 (BAYEXMKOOIA) mountings. Attaching Horizontal Ductwork to Unit 16 The indoor fan motor speed adjustment is provided in the Service Condensate Drain Piping 16 Maintenance section on page 26. Gas Piping Installation 17 This guide is organized as follows: Pipe Delivery Schedule(natural gas only) 17 • Step 1- Inspect Shipment Gas Pressure Set-up Precautions 17 • Step 2- Determine Unit Clearances Gas Supply Line Pressure(all fuels) 17 Verify Manifold Pressure 18 ■ Step 3- Review Location and Recommendation Information Input Check and Adjustment 18 • Step 4- Unit Installation High Altitude Installation 19 ■ Step 5- Unit Startup Air Filter Installation 19 • Sequence of Operation Electrical Wiring 19 Electrical Connections 19 II Maintenance Electrical Power 19 Disconnect Switch 20 Over current Protection 20 Power Wiring 20 Step 1—Inspect Shipment Control Wiring(Class II) 20 1. Check for damage after the unit is unloaded.Report promptly Thermostat Operation 20 to the carrier any damage found to the unit. Do not drop the Field Wiring Diagram 21 unit. Step 5-Unit Startup 22 IMPORTANT: To prevent damage to the sides and top of Pre-start Quick Checklist 22 the unit when hoisting, retain the top shipping skid on the Starting the Unit in the Cooling Mode 22 unit or use "spreader bars" as shown on page 13. Operating Pressures 22 2.Check the unit's nameplate to determine if the unit is correct Voltage Check P2 for the intended application. The power supply must be Cooling Shutdown P2 adequate for the unit and all accessories. Starting the Unit in Heat Pump Heating Mode 22 3. Check to be sure the refrigerant charge has been retained Gas Furnace Heating Cycle 22 during shipment. Remove the Compressor access panel to Starting the Unit in Gas Heating Mode 23 access the 1/4" flare pressure taps. 4. The Flue Hood is included with the unit's literature pack. Heating Shut down 23 Final Installation Checklist P3 5. If this unit is being installed on a curb,verify that the correct curb is provided for the unit. Sequence of Operation 24 • 4DCY4024-036 use model BAYCURB050A. Maintenance 26 Owner Maintenance 26 • 4DCY4042-060 use model BAYCURB051A. Service Maintenance 26 6. If the unit is being hoisted, accessory kit BAYLIFT002B is Cooling Season 26 recommended. It includes a kit of four(4) lifting lugs and Heating Season 26 instructions. Flue Hood and Combustion Blower Cleaning 27 NOTE: If practical, install any internal accessories to the ECM Fan Motor Adjustments 27 unit at the shop. Status LEDs 28 Page 3 Installer's Guide Safety Considerations IMPORTANT: Read this entire manual before beginning installation procedures. NOTICE A WARNING Warning and Cautions appear at appropriate CONTAINS REFRIGERANT! locations throughout this guide. Read these SYSTEM CONTAINSOILAND REFRIGERANT UNDER HIGH carefully. PRESSURE.RECOVER REFRIGERANT TO RELIEVE PRES- A SURE BEFORE OPENING SYSTEM.Failure to follow proper WARNING: Indicates a potentially hazardous situa- procedures can result in personal illness or injury or severe tion which, if not avoided,could result in death or equipment damage. serious injury. CAUTION: Indicates a potentially hazardous situa- A WARNING Unit contains R-410A Refrigerant! tion which, if not avoided,may result in minor or t of R-22.Proper moderate injury.It may also be used to alert against service a equipmenoperating t is required.Fairessure lure tos the l sle proper service unsafe practices and where property-damage-only tools may result in equipment damage or personal injury. accidents could occur. SERVICE Use only R-410A Refrigerant and approved POE com- A WARNING pressor oil. This product contains fiberglass wool insulation!Fiber- A WARNING glass dust and ceramic fibers are believed by the state of California to cause cancer through inhalation.Glasswool Improper Unit Lift! fibers may also cause respiratory,skin,or eye irritation. Testnlift unitgapproximatelyT 24a inchesodtop verify proper center of gravity lift point.To avoid dropping of unit, PRECAUTIONARY MEASURES reposition lifting point if unit is not level.Failure to properly lift unit could result in death or serious injury or possible • Avoid breathing fiberglass dust equipment or property-only damage. • Use a NIOSH approved dust/mist respirator • Avoid contact with the skin or eyes.Wear long-sleeved, A CAUTION loose fitting clothing,gloves,and eye protection. RECONNECT ALL GROUNDING DEVICES. • Wash clothes separately from other clothing,rinse washer All parts of this product that are capable of conducting thoroughly. electrical current are grounded.If grounding wires,screws, • Operations,such as sawing,blowing,tear-out,and spray- straps,clips,nuts,or washers used to complete a path to ing may generate fiber concentrations requiring additional ground are removed for service,they must be returned to respiratory protection. Use the appropriate NIOSH ap their original position and properly fastened. proved respirator in these situations. A CAUTION FIRST AID MEASURES Hot Surface! Eye Contact: Flush eyes with water to remove Do Not touch top of compressor.May cause minor to severe dust. If symptoms persist,seek medical burning. attention. A CAUTION Skin Contact: Wash affected area gently with soap and Never use combustible cleaning fluids on any part of the warm water after handling. furnace. IMPORTANT: This product has been designed and manufactured to meet A WARNING ENERGY STAR criteria for energy efficiency. However, proper refrigerant charge and proper air flow are critical to achieve rated capacity and EXPLOSION HAZARD! efficiency. Installation of this product should follow the manufacturer's Propane gas is heavier than air and may collect in any low refrigerant charging and air flow instructions. Failure to confirm proper areas or confined spaces.In addition,odorant fade may make charge and airflow may reduce energy efficiency and shorten the gas undetectable except with a warning device.If the gas equipment life. furnace is installed in a basement, an excavated areas or a IMPORTANT: Do not connect gas piping to the unit until a line pressure test confined space,it is strongly recommended to contact a gas has been completed. This unit should never be exposed to gas line pressure supplier to install a gas detecting warning device in case of in excess of 14 inches water column (1/2 PSIG). The furnace and its leak. The manufacturer of your furnace does not test any equipment shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess detectors and makes no representations regarding any brand or type of detector. 01 1/2 psi. MPORTANT: Reconnect all grounding devices. All parts of this product AWARNING capable of conducting electrical current are grounded. If grounding wires, screws,straps,clips,nuts,or washers used to complete a path to ground are EXPLOSION HAZARD! removed for service, they must be returned to their original position and To prevent an explosion or possible injury,death,and equip- properly fastened. ment damage,do not store combustible materials,gasoline, IMPORTANT: Wear appropriate gloves, arm sleeve protectors, and eye Or other flammable vapors or liquids near the unit. protection when servicing or maintaining this equipment. Page 2 4DCY4-IG-8 Installers Guide 18-BG03D1 -8 Single Packaged Dual Fuel 14 SEER Convertible, 2 - 5 Ton, 64 - 120 MBTU R-410A ALL phases of this installation must comply with NATIONAL,STATE AND LOCAL CODES IMPORTANT—This Document is customer property. Please return this Installer's Guide to service information pack and give to the homeowner upon completion of work. IilL 111141111111111111111111.- . . .... I r ., .„..,,,,,,,,,,,..,,,,,,,,,,,,,,,,„ ,,,,.. „ _,, ,, , .. e" , ilLJ 4DCY4024 through 4DCY4060 A WARNING A WARNING SAFETY HAZARD! HAZARDOUS VOLTAGE, MOVING PARTS,AND GAS! This information is for use by individuals having adequate Bodily injury can result from high voltage electrical compo- backgrounds of electrical and mechanical experience.Any nents,fast moving fans,and combustible gas.For protection attempt to repaira central air conditioning product may result from these inherent hazards during installation and service, in personal injury and/or property damage.The manufacturer the electrical supply must be disconnected and the main gas or seller cannot be responsible for the interpretation of this valve must be turned off. If operating checks must be per- information,nor can it assume any liability in connection with formed with the unit operating,it is the technician's responsi- its use. bility to recognize these hazards and proceed safely. A WARNING A WARNING HAZARDOUS GASSES! SAFETY HAZARD! Exposure to fuel substances,or by-products of incomplete Do not operate the unit without the evaporator fan or coil fuel combustion,is believed by the state of California to cause access panels in place. Reinstall the access panels after cancer,birth defects,or other reproductive harm. performing maintenance proceedures on the fan.Operating This warning complies with State of California law,Proposition the unit without the access panels properly installed may 65. result in severe personal injury or death. This product must be gas piped by a Licensed Plumber or Gas Fitter in the Commonwealth of Massachusetts. AWARNING: HAZARDOUS VOLTAGE - DISCONNECT POWER and DISCHARGE CAPACITORS BEFORE SERVICING