Carrier 50ZH030 Installation, Start-Up And Service Instructions Manual Download | Manualshive

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Summary of Contents for 50ZH030

Page 1: ...RE RELIEF VALVE IX LOSS OF CHARGE SWITCH 11 COMPRESSOR OVERLOAD 11 Sequence of Operation 14 FAN OPERATION 14 COOLING 14 HEAT PUMP HEATING 14 DEFROST 14 ELECTRIC RESISTANCE HEATING 14 C00155 Fig 1 Unit...

Page 2: ...ion side and condensate drain connection sides should be flush with the edge of the flat surface A 6 in wide gravel apron should be used around the flat sl n face to prevent airlIow blockage by grass...

Page 3: ...UIREMENTS UNIT TQP 48 0011219 21 SIDE OPPOSITE DUCTS 36 00 1762 0 LEGEND NEC National Electrical Code NOTES 1 Clearances must be maintained to prevent recirculation of air from outdoor fan discharge w...

Page 4: ...OPPOSITE DUCTS 30 00 762 0 LEGEND NEC National Electrical Code NOTES 1 Clearances must be maintained to prevent recirculation of air from outdoor fan discharge with the exception of the condenser coil...

Page 5: ...mr l CONDENSER COIL ACCESS SIDE 30 00 762 0 POWER ENTRY SIDE 30 00 762 0 EXCEPT FOR NEC REQUIREMENTS UNIT TOP 48 00 1219 21 SIDE OPPOSITE DUCTS 30 00 762 0 LEGEND NEC National Electrical Code NOTES 1...

Page 6: ...Contractors National Association SMACNA and Air Conditioning Contractors Association ACCA mininmm in stallation standards lbr residential heating and air conditioning systems Secure all ducts to buil...

Page 7: ...nnted on the unit over the high voltage inlet hole See Fig 2 4 Operalion of nnit on inlproper lilac voltage constilnles abuse and may cause unit danlage lhal could allecl warranly J ROUTING POWER LEAD...

Page 8: ...5 8 I 6 9 i 6 6 Acutrol TM System Copper Tubes Aluminum Plate 2 17 1 17 2 17 6 7 11 1 9 3 Propeller 2000 2600 2600 1100 1100 1100 1 4 1 4 1 4 20 20 20 Copper Tubes Aluminum Plate 3 18 3 15 3 18 3 1 4...

Page 9: ...nnections and on unit base Detecting oil generally indicates a refrigerant leak Leak test all refiigerant tubing connections using electronic leak detector or liquid soap solution If a refrig erant le...

Page 10: ...ture and unit operates in Heating mode when temperature control is set to call lot heating above room temperature COMPRESSOR ROTATION On all 3 Phase units it is important to be ceriain compressor is r...

Page 11: ...ct l_ith chassis parts FOR 460 V MOTORS The motor leads are color coded as lbllows 3 SPEED 060 ONLY 2 SPEED black high speed black to purple yellow line orange medium speed purple to black blue low sp...

Page 12: ...ED DEFROST CYCLE OFT OF OF L o T T 30 T IO M N LAST DEFROST T 50 MAXIMUM CYCLE T 90 LEGEND FIELD SPLICE C CONTACTOR COMPRESSOR CAP CAPACITOR MARKED WIRE CB CIRCUIT BREAKER TERMINAL MARKEO COMP COMPRES...

Page 13: ...BO _ gR BRNYELBLK_ COMPONENT ARRANGEMENT D I_SCONNECT _ _ r_l r_l PER NEC TRAM SPLICE DEFROST CYCLE OFT OFI OF_ L o T T 30 T IO MIN LAST DEFROST T 50 MAXIMUM CYCLE T 90 LEGEND FIELD SPLICE C CONTACTO...

Page 14: ...nergized The reversing valve solenoid renmins energized HEAT PUMP HEATING On a call for heat thernmsmt makes circuits R Y and R G When compressor time delay 5 minute _ 2 minutes is completed a circuit...

Page 15: ...9 21 7 21 70 34 8 36 7 47 7 51 8 61 0 66 8 73 7 81 8 10 9 18 4 25 9 33 4 41 0 29 2 29 2 42 3 44 2 55 2 59 3 68 4 74 3 81 2 89 3 14 7 22 2 29 7 37 2 44 6 MOCP 70 70 70 70 80 90 70 70 80 90 70 80 90 90...

Page 16: ...ce filters with the same dimensional size and type as originally provided when necessary Step 2 Unit Top Removal Outdoor Coil Side NOTE When perli rming maintenance or service procedures that require...

Page 17: ...d or dirt accumulations l om wheel and housing with vacuum cleaner using a soft brush attachment Remove grease and oil with a mild solvent c Reassemble blower into housing Place upper orifice ring on...

Page 18: ...ery values are based on operating voltage of 230 v or 460 v dry coil without filter or electric heater Deduct wet coil filter and electric heater pressure drops to obtain external static pressure avai...

Page 19: ...o the Sequence of Operation section as an aid in determining proper control operation Step 7iRefrigerant Circuit Inspect all rel igerant tubing connections and the unit base liar oil accunmlations ann...

Page 20: ...rough subcooling circuits and out to the strainer and the check valve in the heating liquid line 2 The refrigerant then feeds the outdoor coil through the Acutrol metering device on each circuit 3 Eac...

Page 21: ...trainer and the check valve in the cooling liquid line 2 The refrigerant then feeds the indoor coil thR ugh the Acutrol metering device on each circuit 3 Each circuit evaporates the refrigerant and th...

Page 22: ...ty air filter cooling Low refrigerant charge Metering device or low side restricted Insufficient indoor airflow cooling Temperature too low in conditioned area cooling Outdoor ambient below 40_ F cool...

Page 23: ...setscrew tightness ill START UP Supply Voltage L1 L2 L2 L3 L3 L1 Compressor Amps L1 C _ L2 S L3 R Indoor Fan Amps Outdoor Fan Amps TEMPERATURE Cooling Mode Outdoor Air Temperature DB WB Return Air Tem...

Page 24: ...dianapolis IN 46231 Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 1 4 Tab 6 8 PC 101 Printed in U...

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