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677C----A
PREFERREDt14SEERSINGLE--PACKAGEDHYBRIDHEATr
DUALFUELSYSTEMWITHPURONr(R--410A)REFRIGERANT
SINGLEANDTHREEPHASE
2--5NOMINALTONS(SIZES24--60)
InstallationInstructions
NOTE: Read the entire instruction manual before starting the
installation.
NOTE: Installer: Make sure the Owner’s Manual and Service
Instructions areleft with theunit after installation.
TABLEOFCONTENTS
PAGE
SAFETY CONSIDERATIONS ......................... 1
INTRODUCTION ................................... 2
RECEIVING AND INST
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or death. WARNING signifies hazards which could result in per- INSPECT SHIPMENT sonalinjury ordeath.CAUTION isused to identify unsafepractic- Inspectfor shipping damage beforeremoving packaging materials. es which may result in minor personalinjury orproduct and prop- If unit appears to be damaged or is torn loose from its anchorage, erty damage. NOTE is used to highlight suggestions which will have it examined by transportation inspectors before removal. result in enhanced installation, reliabi
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A09146 Fig.2 -- 677C----A24--30UnitDimensions 3 677C----A
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A09147 Fig.3 -- 677C----A36--60UnitDimensions 4 677C----A
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HVAC unit HVAC unit B basepan base rails C Sealing F Gasket Roofcurb Anchor screw Wood nailer* A Flashing field Roofcurb* supplied Insulation (field supplied) Roofing material field supplied Cant strip E field supplied D SMALL CURB A09110 *Provided with roofcurb A09090 ROOF CURB DETAIL B C F A E D LARGE CURB A09095 A09111 CATALOG A B C D E F UNIT SIZE NUMBER IN. (mm) IN. (mm)* IN. (mm) IN. (mm) IN. (mm) IN. (mm) CPRFCURB010A00 11 (279) Small 10 (254) 32.4 (822) CPRFCURB011A00 14 (356) 16 (406)
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CAUTION - NOTICE TO RIGGERS PRUDENCE - AVIS AUX MANIPULATEUR ACCESS PANELS MUST BE IN PLACE WHEN RIGGING. PANNEAUX D'ACCES DOIT ÊTRE EN PLACE POUR MANIPULATION. Use top skid as spreader bar. / Utiliser la palette du haut comme barre de répartition DUCTS MINIMUM HEIGHT: 36" (914.4 mm) HAUTEUR MINIMUM SEAL STRIP MUST BE IN BANDE SCELLANT DOIT ÊTRE PLACE BEFORE PLACING EN PLACE AVANT DE PLACER UNIT HEIGHT L'UNITÉ SUR LA BASE DE TOIT UNIT ON ROOF CURB HAUTEUR D'UNITÉ DETAIL A VOIR DÉTAIL A SEE DET
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3. Attach a clevis of sufficient strength in the middle of the Installthefluehood asfollows: straps.Adjusttheclevislocation toensureunitisliftedlevel 1. This installation must conform with local building codes with theground. and with the National Fuel Gas Code (NFGC) NFPA 54 / After the unit is placed on the roof curb or mounting pad, remove ANSI Z223.1, (in Canada, CAN/CGA B149.1, and thetop skid. B149.2) latest revision. Refer to Provincial and local plumbing or wastewater codes and other app
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made specifically for the detection of leaks (or method IN specified by localcodesand/orregulations). Step9—InstallDuctConnections The unit has duct flanges on the supply-- and return--air openings on the side and bottom of the unit. For downshot applications, the ductwork connects to the roof curb (See Fig. 2 and 3 for connection sizes and locations). ConfiguringUnitsforDownflow(Vertical)Discharge WARNING ! TEE OUT ELECTRICALSHOCKHAZARD Failuretofollowthiswarningcouldresultinpersonalinjury NIPP
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Table1–PhysicalData-- Unit677C----A UNIT SIZE 24040 24060 30040 30060 36060 36090 42060 42090 NOMINAL CAPACITY ---ton 2 2 2---1/2 2---1/2 3 3 3---1/2 3---1/2 SHIPPING WEIGHT ---lb. 368 368 378 378 450 450 491 491 (kg) 167 167 171 171 204 204 223 223 COMPRESSORS Scroll Quantity 1 REFRIGERANT (R---410A) 9.5 9.5 10.5 10.5 9.0 9.0 14.0 14.0 Quantity ---lb 4.3 4.3 4.8 4.8 4.1 4.1 6.4 6.4 (kg) REFRIGERANT METERING Indoor---TXV, Outdoor---Accurater DEVICE OUTDOOR ORIFICE 0.038(LeftODCoil) 0.032 (2) 0.0
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Table1-- PhysicalData-- Unit677C----ACont’d) UNITSIZE 48090 48115 48130 60090 60115 60130 NOMINAL CAPACITY ---ton 4 4 4 5 5 5 SHIPPING WEIGHT---lb 513 513 513 543 543 546 (kg) 233 233 233 246 246 246 COMPRESSORS Scroll Quantity 1 REFRIGERANT(R---410A) 17.0 17.0 17.0 16.0 16.0 16.0 Quantity ---lb 7.7 7.7 7.7 7.3 7.3 7.3 (kg) REFRIGERANTMETERING DEVICE TXV OUTDOOR ORIFICE---in.(qty) 0.040 (2) 0.049 (2) (mm) 1.02 1.24 OUTDOORCOIL 2...21 2...21 2...21 2...21 2...21 2...21 Rows...Fins---in. 19.4 19.4
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4. All units must have field--supplied filters or accessory filter The unit must have a separate electrical service with a rack installed in the return--air side of the unit. field--supplied,waterproofdisconnectswitch mounted at,orwithin Recommended sizes for filters are shown in Table 1. sight from, the unit. Refer to the unit rating plate, NEC and local codes for maximum fuse/circuit breaker size and minimum circuit 5. Size all ductwork for maximum required airflow (either amps(ampacity)forwir
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more than 100 ft (30.5 m) from the unit (as measured along the 3. Comfort Balance Temperature: When the heat pump is control voltage wires), use no. 16 AWG color--coded, insulated operating below this point, the indoor supply air feels (35_C minimum) wires. uncomfortable (i.e. too cool). This is purely subjective and will depend on the homeowner’s idea of comfort. Below Locate the seven (eight on 3--phase) low voltage thermostat leads this temperature the gas furnace should operate in order to i
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e. Ensurewiresdo nottouch refrigeranttubing orsharp (1.) On acall for heating, terminals “Y”and “G“of the sheet metal edges. Hybrid thermostat are energized. The “Y“ signal is sentto theDefrostBoard (DB)terminal“Y”.The f. Inspect coil fins. If damaged during shipping and DB hasabuiltin fiveminuteanti--shortcycletimer handling,carefully straighten finswith afin comb. which will not allow the compressor to restart beforethetimedelay hasexpired. ! WARNING (2.) “T2”energizesthecompressorcontactorvia
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specificgravity,orpropanegaswithaheatingvalueof2500 3 Btu/ft at1.5specificgravity. IN THE U.S.A.: The input rating for altitudes above 2,000 ft (610 m) must be reduced by 4% for each 1,000 ft (305 m) aboveseelevel. For installations below 2,000 ft (610 m), refer to the unit rating plate. For installations above 2,000 ft (610 m) multiply the input by on the rating plate by the derate multiplier in Table 4 for correct input rate. Table4–AltitudeDerateMultiplierforU.S.A.* DERATEMULTIPLIER ALTITUDEF
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REGULATOR COVER SCREW ! WARNING PLASTIC ADJUSTMENT SCREW FIREANDUNITDAMAGEHAZARD ON/OFF SWITCH Failure to follow this warning could result in personal injuryordeathand/orpropertydamage. REGULATOR SPRING (PROPANE - WHITE) (NATURAL - SILVER) Unsafeoperation oftheunitmay resultif manifold pressure isoutsidethisrange. GAS PRESSURE REGULATOR ADJUSTMENT INLET PRESSURE TAP 3. Replaceregulatorcoverscrew on gasvalve(SeeFig.13). 4. Turn off gas supply to unit. Remove manometer from pressure tap and re
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completes the control circuit. The direct--spark ignition system NOTE: Adjustmentoftherefrigerantchargeisnotrequiredunless cyclesand theunitreturnsto normalheating operation. the unit is suspected of not having the proper PuronR (R--410A) charge. Table5–LEDIndications The charging label and the tables shown refer to system temperatures and pressures in cooling mode only. A refrigerant STATUS CODE LEDINDICATION charging label is attached to the inside of the compressor access 2 Normal Operation O
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3. Connect the desired speed tap wire to the “LOW” terminal on the interface fan board (IFB). ! WARNING TwoCoolingFanSpeedsSet-up(Dehumidification ELECTRICALSHOCKHAZARD featureused) Failure to follow this warning could result in personal IMPORTANT: Dehumidification control must open control injuryordeath. circuiton humidity riseabovesetpoint. Before making any indoor wiring adjustments, shut off gas Use of the dehumidification cooling fan speed requires use of supply. Then disconnect electrical
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P3 SDL GAS HEAT HIGH LOW COM QC6 QC7 QC4 QC3 K2 K1 DCR QCR C RL3 C8 R1L Q1 D2 RI0 QC1 JM6 Q3 RI2 C9 C4 RI DL JM5 G1 G2 OILL C2 D6 D4 A7 R9 AB A15 F1 C0 U1 R4 RL4 C3 D5 D3 C7 JW3 R3 R5 R6 R2 P2 QCB JW7 JW2 JW4 Y Y R U C 24VAC JW1 P1 SSTZ-8 Y2/ Y1/ W2 GCR DH Y A09058 Fig.14 -- InterfaceFanBoard(IFB) Table7–FilterPressureDropTable(IN.W.C.) CFM FILTER SIZE in.(mm) 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 20X20X1 0.05 0.07 0.08 0.1 0.12 0.13 0.14 0.15
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Table10–DryCoilAirDelivery*-- HorizontalandDownflowDischarge-- Unit677C----A24--60 HEATING EXTERNAL STATIC PRESSURE(in.W.C.) MOTOR WIRE UNIT RISE SPEED COLOR 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 RANGE CFM 741 638 547 415 --- --- --- --- --- Heating 41 47 55 NA NA NA NA NA NA o Low Blue Rise ( F) Heating 23 26 31 NA NA NA NA NA NA o Rise ( C) CFM 898 820 738 662 536 --- --- --- --- Heating 34 37 41 46 56 NA NA NA NA o 2 Rise ( F) Med-Low Pink Heating 19 20 23 25 31 NA NA NA NA o Rise ( C) CFM 973
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Table10 -- DryCoilAirDelivery* -- HorizontalandDownflowDischarge -- Unit677C----A24--60Cont HEATING EXTERNAL STATIC PRESSURE(in.W.C.) MOTOR WIRE UNIT RISE SPEED COLOR 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 RANGE CFM 741 638 547 415 --- --- --- --- --- Heating NA NA NA NA NA NA NA NA NA o Rise ( F) Low Blue Heating NA NA NA NA NA NA NA NA NA o Rise ( C) CFM 898 820 738 662 536 --- --- --- --- Heating 49 54 NA NA NA NA NA NA NA o Med-Low Pink Rise ( F) Heating 27 30 NA NA NA NA NA NA NA o Rise ( C) C
