Carrier 50PM20 Installation Instructions Manual Download

Page: 1 / 56

Summary of Contents for 50PM20

Page 1: ...low all safety codes Wear safety glasses and work gloves Use quenching cloth for unbrazing operations Have fire extinguishers available for all brazing operations Recognize safety information This is the safety alert symbol _ When you see this symbol on the furnace and in instructions or manuals be alert to the potential for personal injury Understand the signal words DANGER WARNING and CAUTION Th...

Page 2: ... is important to replace the screws into the unit to avoid any air or water leakage Step 3 Rig and Place Unit Inspect unit for transportation damage See Tables 1 3 for physical data File any claim with transportation agency NIT DAMAGE HAZARD Failure to follow this caution may result in equipment damage All panels must be in place when rigging Unit is not designed for handling by fork truck Do not ...

Page 3: ...G TOLERANCES B CLEARANCE BETWE _ UNIT BASE RAiL AND CURB FLANGE IS if4 IN 6 MM ON EACH SiDE MAX CURS LEVELING TOLERANCES REIU_R OPEN NG CURB B IC NO R 0 Z S18 22 167 9 6 7116 2906 SUPPEY OPEN NG CURD FRONT PANS _INI_U_ 20 GAGE STEEl _iTH i iNCH FIBERGLASS INSULATION ALIGNMENT HOLE IN BASERAiL OF UB F _ _ COUNTER FLASHING __ P ELB SUPPLIED ROOFING FIELD SUPPLIED CANT STRiR_ FIELD SUPPLIED ROOFING_A...

Page 4: ...ance of 120 inches 3048 MM from top of unit to eyehook Leave coil cover attached to unit while rigging to protect coil of unit from damage MAX CENTER or GRAVITY IN UNIT SIZE WEIGHT LBS e X Y Z PG20 3825 73 0 36 0 30 5 PG24 4075 77 5 36 7 31 0 PG28 4300 70 9 35 1 34 3 _ NOTE SEELABEL FORUNIT LOCATION ON ROOF CURB NOTE Add i501b 68kg for domestic crating 150TG50359214 0 Fig 3 Rigging Details C07241 ...

Page 5: ...E DAMPER POWER EXHAUST AS STATEDI_ NOTE_3 A REMOVABLE _ENR OR BARRICADE REOUIRES NO CLEARANCE U D_ENSIONS ARE_tOM OUTS_OE OF BASERAIL ALLO_ 0 5 6 18 ON EARNSIDE _OR TOPCOVERDRiP EDGE 4_ 5 8 9 A F_ELDSURPL_ED _0 ELBOWDUCT _UST BE INSTALLED_N TIE _08i1 SUPPLYNRDTWOR_ BELO_TIE UNIT DISCHAtGERONNERT_O_ D_DIRECFTON OF A RELOW CENTER OF GRAVITY B KO 76 _ TMRU THE CURB R ER I _ 3 4 B 0 44 T_RU THE CURt P...

Page 6: ...3 4 NPT 3 4 NPT Refrigerant Metering Device Circuits Comp STD Unit Charge A B Ibs COMPRESSOR Oil Type Oil A B C oz HIGH PRESSURE SWITCH peig Cutout Reset Auto LOW PRESSURE SWITCH psig Cutout Reset Auto FREEZE PROTECTION THERMOSTAT Opens Closes CONDENSER COIL Circuit A B Rows Fins in Face Area sq ft CONDENSER FAN type Quantity Diameter in Nominal CFM Total all fans Motor Hp Watts Nominal RPM EVAPOR...

Page 7: ...3 43 43 43 34 34 RPM Moveable pulley maximum full turns 6 6 6 6 6 6 Factory Speed setting RPM 1078 1078 1078 1078 906 906 MID HIGH RANGE Motor HP 7 5 7 5 7 5 7 5 7 5 7 5 Motor Nominal RPM 1750 1750 1750 1750 1750 1750 Maximum Continuous BHP 7 66 8 51 8 63 8 63 7 66 8 51 8 63 8 63 7 66 8 51 8 63 8 63 Maximum Continuous Watts 6458 7586 7586 6458 7586 7586 6458 7586 7586 Motor Frame Size S213T S213T ...

Page 8: ...43 43 43 43 34 34 RPM Moveable pulley maximum full turns 6 6 6 6 6 6 Factory Speed setting RPM 1078 1078 1078 1078 906 906 MID HIGH RANGE Motor HP 7 5 7 5 7 5 7 5 7 5 7 5 Motor Nominal RPM 1750 1750 1750 1750 1750 1750 Maximum Continuous BHP 7 66 8 51 8 63 8 63 7 66 8 51 8 63 8 63 7 66 8 51 8 63 8 63 Maximum Continuous Watts 6458 7586 7586 6458 7586 7586 6458 7586 7586 Motor Frame Size S213T S213T...

Page 9: ...ired around ductwork Cabinet return air static shall not exceed 35 in wg with econonfizer or 45 in wg without econonfizer These units are designed for a minimum continuous return air temperature in heating of 50 F dry bulb or an internfittent operation down to 45 F dry bulb such as when used with a night set back thermostat To operate at lower return air temperatures a field supplied outdoor air t...

Page 10: ...compressors An incorrect phasing will result in an alarm being generated and compressor operation lockout Should this occur power phase correction must be made to the incoming power ELECTRICAL SHOCK AND FIRE HAZARD Failure to follow this warning could result in electrical shock fire or death The cabinet MUST have an uninterrupted unbroken electrical ground to minimize the possibility of personal i...

Page 11: ...1 57 60 54 60 10 14 2 1 3 1 60 60 45 60 3 7 4 8 2 1 3 1 51 60 47 60 5 7 6 2 1 3 1 55 60 51 60 7 5 11 2 1 3 1 59 60 55 60 10 14 2 1 3 1 63 70 66 8O 3 7 4 8 2 1 3 1 74 80 70 80 5 7 6 2 1 3 1 77 80 74 8O 7 5 11 2 1 3 1 62 90 78 90 10 14 2 1 3 1 85 90 96 100 3 7 4 6 2 1 3 1 104 110 100 110 5 7 6 2 1 3 1 107 125 104 125 7 5 11 2 1 3 1 112 125 106 125 10 14 2 1 3 1 115 125 POWER SUPPLY WITH DISCONNECT O...

Page 12: ...Hz Electric Heat Branch Circuit for 208 240 75 kW Electric Heatt POWER SUPPLY WITH OPTIONAL HACR BREAKER OFM ELECTRIC HEAT IFM POWER EXHAUST POWER SUPPLY FLA FLA Min Max Qty Hp ea kW FLA Hp FLA Qty Hp ea MCA MOCP MCA MOCP FLA 20 208 240 187 253 NA NA NA 56 75 156 180 NA NA NA NA NA 156 180 175 200 180 180 200 200 179 207 COMPRESSOR No 1 No 2 No 3 RLA LRA RLA LRA RLA LRA NA NA NA NA NA NA Feeder Ci...

Page 13: ... 127 135 132 175 150 135 135 175 175 144 141 103 102 125 125 103 103 125 125 107 106 115 114 150 150 115 115 150 150 121 119 109 106 125 125 109 109 125 125 114 112 121 120 150 150 121 121 150 150 128 126 117 115 150 150 117 117 150 150 123 120 129 126 150 150 129 129 150 150 136 134 123 121 150 150 123 123 150 150 130 127 135 132 175 150 135 135 175 175 144 141 143 132 150 150 143 143 150 150 132...

Page 14: ...E SIZE 3 Ph 60Hz Min Max 24 208 240 187 253 NOMINAL VOLTAGE RANGE UNIT VOLTAGE SIZE 3Ph 60 Hz Min Max 24 208 230 187 253 COMPRESSOR No 1 No 2 No 3 L2 22 L2 22 L2 RANA Electric Heat Branch Circuit for 208 240 75 kW Electric Heatt OFM ELECTRIC HEAT IFM POWER EXHAUST Qty Hp FLA ea kW FLA Hp FLA Qty Hp FLA ea NA NA NA 56 75 156 160 NA NA NA NA NA POWER SUPPLY MCA MOCP 156 160 175 200 POWER SUPPLY WITH...

Page 15: ...175 175 148 148 175 175 160 157 200 200 160 160 200 200 134 132 175 175 134 134 175 175 146 144 175 175 146 146 175 175 141 139 175 175 141 141 175 175 153 151 200 175 153 153 200 200 148 145 175 175 148 148 175 175 160 157 200 200 160 160 200 200 151 139 175 175 151 151 175 175 166 154 175 175 166 166 175 175 160 148 175 175 160 160 175 175 175 162 200 175 175 175 200 200 169 155 175 175 169 169 ...

Page 16: ...3 59 57 62 59 64 60 65 63 69 66 71 93 99 97 102 99 104 Electric Heat Branch Circuit for 208 240 75 kW Electric Heatt VOLTAGE POWER EXHAUST DISCONNECT RANGE SIZE Min Max 187 253 COMPRESSOR No 1 No 2 No 3 RLA LRA RLA LRA RLA LRA NA NA NA NA NA NA OFM Qty Hp FLA ea NA NA NA ELECTRIC HEAT kW FLA 56 75 156 160 IFM Hp NA FLA Oty NA NA FLA Hp ea NA NA POWER SUPPLY MCA MOCP 156 160 175 200 POWER SUPPLY WI...

Page 17: ...181 169 200 175 175 161 175 175 190 176 200 200 93 92 100 100 105 104 125 125 99 98 125 125 111 109 125 125 107 104 125 125 118 116 150 125 113 110 125 125 125 122 150 150 48 60 54 60 5O 60 57 60 54 60 60 60 57 60 63 8O 48 60 55 60 51 60 59 60 55 60 63 70 59 60 67 8O 70 80 78 8O 73 8O 81 90 78 8O 85 9O 81 90 89 1O0 100 110 108 125 103 125 111 125 108 125 115 125 111 125 119 125 POWER SUPPLY WITH O...

Page 18: ... kW Electric Heatt UNIT OFM POWER EXHAUST DISCONNECT SIZE SIZE FLA FLA Qty Hp ea Qty Hp ea FLA 20 NA NA NA NA NA NA 179 207 ELECTRIC HEAT kW FLA 56 75 156 180 NOMINAL VOLTAGE VOLTAGE RANGE 3Ph 60 Hz Min Max 206 240 187 253 NOMINAL VOLTAGE UNIT VOLTAGE RANGE SIZE 3Ph 6OHz COMPRESSOR No 1 No 2 No 3 RLA LRA RLA LRA RLA LRA NA NA NA NA NA NA IFM Hp FLA NA NA Feeder Circuit for 208 240 75 kW Electric H...

Page 19: ... 60 70 57 60 5 7 6 2 1 3 1 63 60 25 30 60 70 7 5 11 2 1 3 1 66 60 63 80 10 14 2 1 3 1 69 60 6 0 25 0 7 70 60 3 7 4 6 2 1 3 1 78 60 73 80 5 7 6 2 1 3 1 61 90 50 60 76 60 7 5 11 2 1 3 1 85 90 81 90 10 14 2 1 3 1 69 100 100 110 3 7 4 6 2 1 3 1 106 125 103 125 5 7 6 2 1 3 1 111 125 75 90 106 125 7 5 11 2 1 3 1 115 125 111 125 10 14 2 1 3 1 119 125 POWER SUPPLY WITH OPTIONAL HACRBREAKER 414 506 19 5 12...

Page 20: ..._240 VOLTAGE RANGE Min Max 187 253 Electric Heat Branch Circuit for 208 240 75 kW Electric Heatt COMPRESSOR No 1 No 2 No 3 RLA LRA RLA LRA RLA LRA NA NA NA NA NA NA OFM FLA Oty Hp ea NA NA NA ELECTRIC HEAT kW FLA 5_75 156 180 IFM Hp FLA NA NA POWER EXHAUST FLA Qty Hp ea NA NA NA POWER SUPPLY MCA MOCP 156 180 175 200 POWER SUPPLY WITH OPTIONAL HACRBREAKER MCA MOCP 180 180 20_200 DISCONNECT SIZE FLA...

Page 21: ... 80 5 7 6 2 1 3 1 72 90 69 90 7 5 11 2 1 3 1 75 90 72 90 10 14 2 1 3 1 78 100 65 80 5 7 6 2 1 3 1 72 90 69 90 25 30 7 5 11 2 1 3 1 75 90 72 90 10 14 2 1 3 1 78 100 73 80 5 7 6 2 1 3 1 81 90 78 90 50 60 7 5 11 2 1 3 1 85 90 81 90 10 14 2 1 3 1 89 100 103 125 5 7 6 2 1 3 1 111 125 108 125 75 90 7 5 11 2 1 3 1 115 125 10 14 111 125 2 1 3 1 119 125 POWER SUPPLY DISCONNECT WITH OPTIONAL SIZE HACRBREAKE...

Page 22: ... 102 108 UNIT SIZE 28 UNIT SIZE 28 NOMINAL VOLTAGE 3 Ph _ H_ 206 240 NOMINAL VOLTAGE 3 Ph _ H_ 206 230 VOLTAGE RANGE Min Max 187 253 VOLTAGE RANGE Min Max 187 253 Electric Heat Branch Circuit for 208 240 75 kW Electric Heatt COMPRESSOR No 1 No 2 No 3 RLA LRA RLA LRA RLA LRA NA NA NA NA NA NA OFM FLA Oty Hp ea NA NA NA ELECTRIC HEAT kW FLA 56 75 156 180 IFM Hp FLA NA NA POWER EXHAUST FLA Oty Hp ea ...

Page 23: ... following formula to determine the percentage of voltage imbalance Voltage Imbalance 1 O0 x max voltage deviation from average voltage average voltage Example Supply voltage is 460 3 60 AB 452 v BC 464 v AC 455 v Average Voltage 452 464 455 3 1371 3 457 Determine maximum deviation from average voltage AB 457 452 5 v BC 464 457 7 v AC 457 455 2 v Maximum deviation is 7 v Determine percent of volta...

Page 24: ...e unit back panel See Fig 14 6 Apply seal strip provided to top flange of both hood sides where hood sides connect to the hood top panels See Fig 14 7 Install hood sides to the back panels using the screws from Step 2 The sloped flanges point outward The drip edges of the side panels should face outward as well The filter guides should face inward to hold the filters in place See Fig 14 0 8 Apply ...

Page 25: ...llow these steps to complete installation of the handle MOVEABLE DAMPER AIR FILTER POSITION MOVEABLE DAMPER Fig 16 Manual Damper Details C06286 Step 9 Position Optional Power Exhaust or Barometric Relief Damper Hood The optional power exhaust or barometric relief dampers are shipped assembled and tilted back into the unit for shipping Brackets and extra screws are shipped in shrink wrap around the...

Page 26: ...rbing anything inside compressor ternfinal box if refrigerant leak is suspected around compressor ternfinals 5 6 Never attempt to repair soldered connection while refrigerant system is under pressure Do not use torch to remove any component System contains oil and refrigerant under pressure To remove a component wear protective goggles and proceed as follows a Shut off gas then electrical power to...

Page 27: ...nce data See Appendix B for air quantity limits evaporator fan motor specifications FIOP static pressures and fan RPM for various motor pulley settings To alter fan performance see Evaporator Fan Performance Adjustment in the Service section Condenser Fans and Motors Condenser fans and motors are factory set Refer to Condenser Fan Adjustment section as required Return Air Filters Check that correc...

Page 28: ...r IV Component Locations Exploded View 008044 MAT LOCATION OAT LOCATION J C08045 Fig 20 Sensor Locations OAT and MAT 19 18_ LEDIoN 17 16 LED OFF LED ON 15 I 13 12 11 10 I LED ON 40 45 50 55 60 65 70 75 80 85 90 95 100 DEGREES FAHRENHEIT C06035 Fig 21 Temperature Changeover Set Points 28 ...

Page 29: ... air has a lower enthalpy than the return air the EconoMi er IV opens to bring in outdoor air for free cooling Replace the standard outside air dry bulb temperature sensor with the accessory enthalpy sensor in the same mounting location Mount the return air enthalpy sensor in the return air duct Wiring is provided in the EconoMiSer IV wiring harness See Fig 22 The outdoor enthalpy changeover set p...

Page 30: ...CASPCO2 accessories To determine the minimum position setting perform the following procedure 1 Calculate the appropriate mixed air temperature using the following formula To x OA TR x RA TM TO Outdoor Air Temperature OA Percent of Outdoor Air TR Return Air Temperature RA Percent of Return Air TM Mixed Air Temperature As an example if local codes require 10 outdoor air during occupied conditions o...

Page 31: ...AUST CONTACT IS MADE MINIMUM DAMPER POSITION SETTING MAXIMUM DAMPER _ DEMAND CONTROL VENTILATION SET POINT LED LIGHTS WHEN _ DEMAND CONTROL VENTILATION INPUT tS ABOVE SET POINT DEMAND CONTROL VENTILATION SET POINT LED LIGHTS WHEN OUTDOOR AIR IS SUITABLE FOR FREE COOLING ENTHALPY CHANGEOVER SET POINT Fig 24 EconoMiSer IV Controller Potentiometer and LED Locations C06034 6000 _ 5000 z g 4000 3000 z ...

Page 32: ... minimum damper position potentiometer to the correct position The same equation can be used to determine the occupied or maximum ventilation rate to the building For example an output of 3 6 volts to the actuator provides a base ventilation rate of 5 and an output of 6 7 volts provides the n_axinmm ventilation rate of 20 or base plus 15 cfm per person Use Fig 25 to determine the n_axinmm setting ...

Page 33: ...ond stage of heating energizing W2 This will energize the second stage of electric heat Cooling_ Units With EconoMi er IV When free cooling is not available the compressors will be controlled by the zone thermostat When free cooling is available the outdoor air damper is modulated by the EconoMi er IV control to provide a 50 to 55 F mixed air temperature into the zone As the mixed air temperature ...

Page 34: ...icroChannel Condenser Coil Surfaces To clean the MicroChannel condenser coil chemicals are NOT to be used only water is approved as the cleaning solution Only clean portable water is authorized for cleaning Microchannel condensers Carefully remove any foreign objects or debris attached to the coil face or trapped within the mounting frame and brackets Using a high pressure water sprayer purge any ...

Page 35: ...lowed to dry before rinsing Reapplying cleaner as needed to ensure 10 minute saturation is achieved 11 Thoroughly rinse all surfaces with low velocity clean water using downward rinsing motion of water spray nozzle Protect fins from damage from the spray nozzle Condensate Drain Check and clean each year at the start of the cooling season In winter keep drains and traps dry An access panel is locat...

Page 36: ...6 and 27 Fan motor pulleys are factory set for speed shown in Table 17 To change fan speeds 1 Shut off unit power supply 2 Loosen nuts on the 4 carriage bolts in the mounting base Using adjusting bolts and plate slide motor and remove belt 3 Loosen movable pulley flange setscrew See Fig 27 4 Screw movable flange toward fixed flange to increase speed and away from fixed flange to decrease speed Inc...

Page 37: ...rosion over aluminum fins on copper tubes in normal and mild marine applications EQUIPMENT DAMAGE HAZARD Failure to follow this caution may result in equipment damage Use of other than approved repair procedures may affect the pressure rating or the corrosion resistance of the microchannel condenser coil Replacing the MCHX Coil The service replacement coil is preformed and is equipped with transit...

Page 38: ... nitrogen will be able to diffuse throughout the system absorbing moisture 5 Repeat this procedure System will then contain minimal amounts of contaminants and water vapor Refrigerant Charge Amount of refrigerant charge is listed on unit nameplate Refer to Carrier GTAC II Module 5 Charging Recovery Recycling and Reclamation section for charging methods and procedures Unit panels nmst be in place w...

Page 39: ... The low pressure switch will reset automatically as the refrigerant pressure rises above its reset level The CLO will remain energized until manually reset Freeze Protection Switch This switch is installed on each evaporator coil section to provide protection against continued unit operation with a frosted evaporator surface If the freeze protection switch opens the compressor on this circuit wil...

Page 40: ...Pressure Ipsig Fig 32 Charging Chart 50PM24 550 600 C08048 PM28 CHARGING CHART R410A REFRIGERANT COOLING MODE ALL OUTDOOR FANS MUST BE RUNNING 160 140 120 100 80 60 40 20 ioo Add Charge if Above the Curve em ve Charge if Below the Curve 150 200 250 300 350 400 450 500 Compressor Discharge Pressure psig H II II II II 550 600 Fig 33 Charging Chart 50PM28 C08049 40 ...

Page 41: ...LOW VOLTAGE CONTROL T _ _ _ Bb SCHEMATIC ELECTRIC NO HEAT THERMOSTAT MgSI ENERG ZE G FOR ELECTRIC HEAT Fig 34 Low Voltage Control Schematic 50TG505334 Rev 2 0 C08230 41 ...

Page 42: ...DD WIRES WHEN INSTALLING _ LOW At_BIENT FAN CONTROL _ ACCESSORY _ S T APPROPRIATE_ UNIT VOL TABF_ BLK BLK BLN _ TRAN OMN YEL Q__YE SECONDARY TO CDI TO 2_V 32 AMPS CNEMATIC CONNECT WIRE TO APPROPRIATE UNIT VOLTAGE BLK I TRAN2 ROP CONVENIENCE OUTLET _EV BLK_I_ GAS HEAT ONLY J Fig 35 Typical Control Schematic C08051 42 ...

Page 43: ... ALL APPLICABLE _r COMPRESSOR CONTACTOR IAO INDOOR AIR QUALITY CODES CAP CAPACITOR IOM INDUCED BRAF MOTOR 2 USE 7S C MiN WIRE FOR FIELD POWERSUPPLY USE COPPER CD CIRCUIT BREAKER IDR INDUCED DRAFT RELAY WIRES FOR ALL UNITS CCH CRANNCASE HEATER IEC INDOOR FAN CONTACTOR B ALL CIRCUIT BREAKERS MUST TRi AMPS ARE EQUAL TO CLO COMPRESSOR LOCKOUT IECB INDOOR FAN CIRCUIT BREAKER OR LESS THAN IS6 RLA COMP C...

Page 44: ...ant system Locate restriction and remove Compressor Operates Dirty air filter Replace filter Continuously Unit undersized for load Decrease load or increase unit size Thermostat set too low Reset thermostat Low refrigerant charge Locate leak repair and recharge Air in system Recover refrigerant evacuate system and recharge Condenser coil dirty or restricted Clean coil or remove restriction Excessi...

Page 45: ...tiometer to A fully CCW The Free Cool LED should be lit 3 Set the enthalpy potentiometer to D fully CW The Free Cool LED should turn off 4 Return EconoMi er IV settings and wiring to normal after completing troubleshooting DCV Demand Controlled Ventilation and Power Exhaust To check DCV and power exhaust 1 Make sure EconoMi er IV preparation procedure has been performed 2 Ensure terminals AQ and A...

Page 46: ...tion Phase Reversal Protection If the control senses an incorrect phase relationship the relay KI will be de energized opening its contact If the phase relationship is correct the relay will be energized The control has a self bypass function after a pre set time If the control determines that the three phases stay in a correct relationship for 10 consecutive minutes the relay will stay energized ...

Page 47: ... LEGEND Bhp Brake Horsepower Input to Fan Rpm Fan speed Drive Drive option code based on 460V motor max BHP Grey cells indicate field supplied pulley change required Fan Performance 50PM24 Vertical Supply Return Units Available External Static Pressure in wg 0 2 0 4 0 6 0 8 1 0 1 2 CFM Available External Static Pressure in wg 7600 8000 8400 8800 9200 9600 10000 LEGEND 1 4 RPM BHP 6000 905 3 12 640...

Page 48: ... 1212 11 07 D 12000 1178 11 08 D LEGEND Bhp Brake Horsepower Input to Fan Rpm Fan speed Drive Drive option code based on 460V motor max BHP Grey cells indicate field supplied pulley change required Fan Performance 50PM20 Horizontal Supply Return Units Ai low Cfm 5000 5500 6000 6500 7000 7500 8000 8500 9000 G Available External Static Pressure in wg 0 2 0 4 0 6 0 8 1 0 Rpm Bhp Rpm Bhp Rpm Bhp Rpm B...

Page 49: ...er Input to 1 2 Rpm 886 E 916 949 984 F 1021 1059 1099 G 1138 1179 H 1220 Fan Available External Static Pressure in wg 1 4 1 6 1 8 2 0 Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm 2 97 E 935 3 25 985 3 55 1035 3 87 1086 3 41 960 3 69 1005 3 98 1050 4 29 1096 3 90 990 4 19 P 1032 4 48 P 1073 4 78 P 1114 4 46 P 1023 4 75 1062 5 04 1100 5 34 1139 5 07 1059 5 37 1095 5 67 1131 5 98 G 1167 5 74 1095 6 05 1130 6 36 ...

Page 50: ...4 7 74 1129 7 23 1159 7 55 1189 7 88 H 1219 8 22 H 1249 8 59 1175 8 18 1204 8 50 H 1232 8 83 1260 9 18 1288 9 53 1222 9 22 H 1249 9 55 1276 9 88 1302 10 22 1329 10 58 1270 10 34 1296 10 68 1321 11 02 1346 11 37 1371 11 72 1318 11 56 1343 11 90 1367 12 25 1391 12 61 1366 12 86 1390 13 22 LEGEND Bhp Brake Horsepower Input to Fan Boldface indicates field supplied drive required NOTES 1 Motor drive ra...

Page 51: ... 208 230 460 575 208 230 460 575 208 230 460 575 208 230 460 575 208 230 460 575 208 230 460 575 208 230 460 575 208 230 460 575 208 230 460 575 208 230 460 575 208 230 460 575 85 8 85 8 85 8 87 5 87 5 87 5 87 5 87 5 88 5 88 5 88 5 88 5 89 5 89 5 89 5 89 5 85 8 85 8 85 8 87 5 87 5 87 5 87 5 87 5 88 5 88 5 88 5 88 5 89 5 89 5 89 5 89 5 85 8 85 8 85 8 87 5 87 5 87 5 87 5 87 5 88 5 88 5 88 5 88 5 89 ...

Page 52: ... 4 7 7 6 0 15 8 15 4 7 7 6 0 22 0 22 0 11 6 9 4 28 0 28 0 15 0 12 0 NOTES 1 Extensive motor and electrical testing ensures that the motors can be utilized with confidence up to the maximum applied bhp watts and amps motor up to the maximum ratings shown will not result in nuisance tripping or premature motor failure Unit warranty will not be affected 2 Convert bhp to watts using the following form...

Page 53: ... 1117 1137 1156 1176 High Range Horizontal 1014 1038 1061 1085 1108 1132 1156 1179 1203 1226 1250 1273 1297 Low Range Vertical 751 768 785 802 819 836 853 869 886 903 920 937 954 Mid Low Range Vertical 949 970 992 1013 1035 1056 1078 1099 1120 1142 1163 1185 1206 Mid High Range Vertical 941 961 980 1000 1019 1039 1059 1078 1098 1117 1137 1156 1176 20 and 24 High Range Vertical 1014 1038 1061 1085 ...

Page 54: ...LTS ARE PROPERLY TENSIONED VERIFY THAT SCROLL COMPRESSORS ARE ROTATING IN THE CORRECT DIRECTION VERIFY INSTALLATION OF THERMOSTAT VERIFY THAT CRANKCASE HEATERS HAVE BEEN ENERGIZED FOR AT LEAST 24 HOURS II START UP ELECTRICAL SUPPLY VOLTAGE L1 L2 L2 L3 L3 L1 COMPRESSOR AMPS COMPRESSOR A1 COMPRESSOR B1 ELECTRIC HEAT AMPS IF EQUIPPED SUPPLY FAN AMPS TEMPERATURES OUTDOOR AIR TEMPERATURE RETURN AIR TEM...

Page 55: ...l 55 ...

Page 56: ...7310 W Morris St Indianapolis IN 46231 Printed in U S A Edition Date 4 08 Manufacturer reserves the right to change at any time specification8 and design8 without notice and without obligations Catalog No 5OPM 1SI Replaces NEW 5d ...

Search results

Summary of Contents for 50PM20

Reviews:

Related manuals for 50PM20

Brands by name

Popular brands

Carrier 50PM20, Installation Instructions Manual

Search results

Summary of Contents for 50PM20

Reviews:

Related manuals for 50PM20

Brands by name

Popular brands