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50JS,JX018-060
Single-Package Heat Pump Units
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Installation, Start-Up and Service Instructions
NOTE: Read the entire instruction manual before starting the
installation.
Index
SAFETY CONSIDERATIONS ...............................................1-4
General .................................................................................4
RECEIVING AND INSTALLATION..................................4-15
Check Equipment...........................................................
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REQUIRED CLEARANCE TO COMBUSTIBLE MATL. REQUIRED CLEARANCE FOR OPERATION AND SERVICING INCHES [mm] INCHES [mm] EVAP. COIL ACCESS SIDE............................................................36.00 [914.0] TOP OF UNIT...................................................................................14.00 [355.6] DUCT SIDE OF UNIT.........................................................................2.00 [50.8] POWER ENTRY SIDE...................................................................
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REQUIRED CLEARANCE TO COMBUSTIBLE MATL. REQUIRED CLEARANCE FOR OPERATION AND SERVICING INCHES [mm] INCHES [mm] TOP OF UNIT...................................................................................14.00 [355.6] EVAP. COIL ACCESS SIDE............................................................36.00 [914.0] DUCT SIDE OF UNIT.........................................................................2.00 [50.8] POWER ENTRY SIDE...................................................................
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SIDE PANEL 0.75" BASE PAN 4.0" BOTTOM SUPPLY 3.0" SUPPORT RIB(S) SEAL STRIP (FACTORY SUPPLIED) COUNTER FLASHING NAILER (FIELD SUPPLIED) ROOFING FELT (FIELD SUPPLIED) INSULATION CANT STRIP (FIELD SUPPLIED) (FIELD SUPPLIED) ROOFING MATERIAL (FIELD SUPPLIED) A99340 C 46 3/16 B D 17 3/8 TYP. 44 5/16 1 TYP. 7/8 3 13/16 SUPPORT B A B SUPPORT A (2) SIDE 2 (2) END VIEW END (2) DECK PAN (INSULATED) A99320 A B C D UNIT SIZE ODS CATALOG NUMBER IN. [MM] IN. [MM] IN. [MM] IN. [MM] CPRFCURB006A00 8 [203] 11-2
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INSPECT SHIPMENT — Inspect for shipping damage while unit corner or under an overhead obstruction. The minimum clearance is still on shipping pallet. If unit appears to be damaged or is torn under a partial overhang (such as a normal house overhang) is 36 loose from its anchorage, have it examined by transportation in. above the unit top. The maximum horizontal extension of a inspectors before removal. Forward claim papers directly to partial over-hang must not exceed 36 in. For extended overhan
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5. Tighten the tension buckle until it is taut. Lifting brackets must be secure in the handholds. For vertical supply and return units, tools or parts could drop 6. Attach field-supplied clevis or hook of sufficient strength to into ductwork and cause serious injury or death. Install a 90 hole in the lifting bracket (See Fig. 8). degree turn in the return ductwork between the unit and the 7. Attach the 2 safety straps directly to the clevis or hook at the conditioned space. If a 90 degree elbow
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Table 1A—Physical Data UNIT SIZE 50JS018 50JS024 50JS030 50JS036 50JS042 50JS048 50JS060 NOMINAL CAPACITY (ton) 1-1/2 2 2-1/2 2-1/2 3-1/2 4 5 OPERATING WEIGHT (lb) 283 289 287 291 323 353 418 COMPRESSOR QUANTITY 1 TYPE RECIPROCATING COMPRESSOR SCROLL COMPRESSOR REFRIGERANT R-22 REFRIGERANT METERING DEVICE Accurater ® Refrigerant (R-22) Quantity (lb.) 5.6 5.2 5.8 7.1 7.6 7.8 8.6 ORIFICE ID (in.) 0.053 0.061 0.068 0.078 0.078 0.088 0.093 ORIFICE OD (in.) 0.040 0.049 2@0.042 2@0.046 2@0.052 2@0.057
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INDOOR 1” MIN. THERMOSTAT TRAP OUTLET RETURN AIR 2” MIN. FROM TOP COVER POWER SOURCE C99013 Fig. 11—Condensate Trap DISCONNECT PER NEC Step 7—Install Electrical Connections C99061 Fig. 9—Typical Installation The unit cabinet must have an uninterrupted, unbroken electrical ground to minimize the possibility of personal injury if an electrical fault should occur. This ground may consist of an electrical wire connected to the unit ground lug in the control compartment, or conduit approved for elect
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LEGEND FIELD SPLICE AHA ADJUSTABLE HEAT ANTICIPATOR TERMINAL (MARKED) C CONTACTOR CAP CAPACITOR TERMINAL (UNMARKED) CB CIRCUIT BREAKER SPLICE COMP COMPRESSOR MOTOR SPLICE (MARKED) CTD COMPRESSOR TIME DELAY FACTORY WIRING DB DEFROST BOARD FIELD CONTROL WIRING DFT DEFROST THERMOSTAT FIELD POWER WIRING DR DEFROST RELAY ACCESSORY OR OPTIONAL EQUIP EQUIPMENT FU FUSE WIRING GND GROUND TO INDICATE COMMON HR HEATER RELAY POTENTIAL ONLY: HTR HEATER NOT TO REPRESENT WIRING IFM INDOOR FAN MOTOR LPS LOW PRE
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LEGEND FIELD SPLICE AHA ADJUSTABLE HEAT ANTICIPATOR C CONTACTOR TERMINAL (MARKED) CAP CAPACITOR TERMINAL (UNMARKED) CB CIRCUIT BREAKER SPLICE COMP COMPRESSOR MOTOR SPLICE (MARKED) CTD COMPRESSOR TIME DELAY FACTORY WIRING DB DEFROST BOARD FIELD CONTROL WIRING DFT DEFROST THERMOSTAT FIELD POWER WIRING DR DEFROST RELAY EQUIP EQUIPMENT ACCESSORY OR OPTIONAL GND GROUND WIRING HR HEATER RELAY TO INDICATE COMMON HTR HEATER POTENTIAL ONLY: IFM INDOOR FAN MOTOR NOT TO REPRESENT WIRING LPS LOW PRESSURE SW
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Table 3A—Electrical Data—50JS VOLTAGE COMPRESSOR ODFM IDFM ELECTRIC HEAT POWER SUPPLY UNIT 50JS RANGE V-PH-HZ SIZE Min Max RLA LRA FLA FLA Nominal KW* FLA MCA Max Fuse or CRCT Breaker MOCP -/- -/- 14.0/14.0 20/20 - 018 208/230-1-60 187 253 9 48 0.9 1.8 3.8/5 18.1/20.8 24.8/28.3 25/25 - 7.5/10 36.1/41.7 47.4/54.3 50/60 - -/- -/- 18.9/18.9 25/25 - 024 208/230-1-60 187 253 12.8 61 0.9 2 3.8/5 18.1/20.8 25.1/28.5 25/30 - 7.5/10 36.1/41.7 47.6/54.6 50/60 - -/- -/- 21.3/21.3 25/25 - 3.8/5 18.1/20.8 25
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→Table 3B—Electrical Data—50JX VOLTAGE COMPRESSOR ODFM IDFM ELECTRIC HEAT POWER SUPPLY UNIT 50JX RANGE V-PH-HZ SIZE Min Max RLA LRA FLA FLA Nominal KW* FLA MCA Max Fuse or CRCT Breaker MOCP -/- -/- 16.4/16.4 20/20 - 024 208/230-1-60 187 253.00 10.8 56 0.90 2 3.75/5.0 18.1/20.8 25.1/28.5 25/30 - 7.5/10 36.1/41.7 47.6/54.6 50/60 - -/- -/- 20.5/20.5 25/25 - 3.75/5.0 18.1/20.8 25.2/28.7 25/30 - 208/230-1-60 187 253 14 73 0.9 2.1 7.5/10 36.1/41.7 47.8/54.7 50/60 - 11.3/15 54.2/62.5 72.2/82.6 - 80/90
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EXAMPLE: Supply voltage is 460-3-60. AB = 452 v LEGEND BC = 464 v AC = 455 v FLA — Full Load Amps LRA — Locked Rotor Amps 452 + 464 + 455 ® Average Voltage = MCA — Minimum Circuit Amps 3 MOCP — Maximum Overcurrent Protection 1371 RLA — Rated Load Amps = 3 = 457 NOTES: Determine maximum deviation from average voltage. 1. In compliance with NEC (National Electrical Code) requirements (AB) 457 452=5v for multimotor and combination load equipment (refer to NEC (BC) 464 457=7v Articles 430 and 440),
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c. Inspect all field and factory-wiring connections. Be sure TRANSFORMER CONTAINS A MANUAL that connections are completed and tight. RESET OVERCURRENT PROTECTOR d. Inspect coil fins. If damaged during shipping and handling, IT WILL NOT AUTOMATICALLY RESET carefully straighten fins with a fin comb. DISCONNECT POWER PRIOR TO 4. Verify the following conditions: SERVICING a. Make sure that outdoor-fan blade is correctly positioned in THIS COMPARTMENT MUST BE CLOSED fan orifice. EXCEPT WHEN SERVICING
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INDOOR COIL OUTDOOR COIL Bypass Position LCS Metering Position LEGEND LCS – Loss of Charge Switch ® Accurater Metering Device Arrow indicates direction of flow C99027 1. Hot gas from compressor flows through the 4-way valve and is directed to the indoor coil. It is then condensed and subcooled through the coil circuits and then leaves the indoor coil by way of the ID Accurater in the bypass position to the liquid line. 2. The refrigerant then feeds the outdoor coil through the OD Accurater devic
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Table 4A—Wet Coil Air Delivery Unit 50JS 018-060 (Deduct 10% for 208v)* EXTERNAL STATIC PRESSURE (IN. WG) UNIT MOTOR SPEED 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 Watts - - - 214 191 170 ---- - Low Cfm --- 821 696 575 ---- - Watts ---------- - 018 Med Cfm ---------- - Watts ---- 283 274 267 --- - High Cfm ---- 848 707 555 --- - Watts - - 237 214 191 ----- - Low Cfm -- 971 821 696 ----- - Watts ---- 368 366 365 360 -- - 024 Med Cfm ---- 957 872 785 688 -- - Watts ------- 425 414 - - High Cfm
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Table 4B—Wet Coil Air Delivery Unit 50JX 024-060 (Deduct 10% for 208v)* EXTERNAL STATIC PRESSURE (IN. WG) UNIT MOTOR SPEED 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 Watts 275 273 271 270 ------- Low Cfm 923 844 754 669 ------- Watts - - - 359 353 350 347 341 - - - 024 Med Cfm - - - 941 876 814 737 622 - - - Watts ------ 447 439 431 423 - High Cfm ------ 968 869 765 659 - Watts 276 276 272 -------- Low Cfm 963 929 781 -------- Watts 375 377 371 362 354 350 ----- 30 Med Cfm 1202 1170 1079 976 88
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OUTDOOR TEMP OUTDOOR TEMP (018) 60HZ CHARGING CHART (024) 60HZ CHARGING CHART ° F ° C ° F ° C 125 52 689 758 125 52 100 110 115 46 115 46 105 41 620 90 689 100 95 35 105 41 85 29 551 620 80 90 75 24 95 35 65 18 85 29 483 70 551 80 75 24 55 13 414 483 60 70 65 18 45 7 55 13 345 50 414 60 45 7 276 345 40 50 207 30 276 40 20.0 30.0 40.0 50.0 60.0 70.0 80.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 SUCTION LINE TEMPERATURE (°F) SUCTION LINE TEMPERATURE (°F) -7 -1 4 10 16 21 27 -7 -1 4 10 16 21 27
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OUTDOOR TEMP OUTDOOR TEMP (042) 60HZ CHARGING CHART (048) 60HZ CHARGING CHART ° F ° C ° F ° C 689 100 689 100 125 52 125 52 115 46 115 46 105 41 105 41 620 90 620 90 95 35 95 35 85 29 85 29 551 80 551 80 75 24 75 24 65 18 55 13 483 70 65 18 483 70 45 7 55 13 414 60 414 60 45 7 345 50 345 50 276 40 276 40 207 30 207 30 20.0 30.0 40.0 50.0 60.0 70.0 80.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 SUCTION LINE TEMPERATURE (°F) SUCTION LINE TEMPERATURE (°F) -7 -1 4 10 16 21 27 -7 -1 4 10 16 21 27
