Carrier WeatherMaster 50HCQA04 Service And Maintenance Instructions Download Page 44

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Serial Number Format

POSITION NUMBER

TYPICAL

POSITION

DESIGNATES

1---2

Week of manufacture (fiscal calendar)

3---4

Year of manufacture (“08” = 2008)

Manufacturing location (G = ETP, Texas, USA)

6---10

Sequential number

Summary of Contents for WeatherMaster 50HCQA04

Page 1: ...l can perform only the basic maintenance functions such as replacing filters Trained service personnel should perform all other service and maintenance operations When working on air conditioning equipment observe precautions in the literature tags and labels attached to the unit and other safety precautions that can apply Follow all safety codes Wear approved safety glasses and leather work glove...

Page 2: ...d to pressure greater than 0 5 psig it must be replaced before use When pressure testing field supplied gas piping at pressures of 0 5 psig or less a unit connected to such piping must be isolated by closing the manual gas valve s WARNING FIRE EXPLOSION HAZARD Failure to follow this warning could result in death serious personal injury and or property damage Never use air or gases containing oxyge...

Page 3: ... S Inspect outdoor fan blade positioning S Ensure control box is clean S Check control box wiring condition S Ensure wire terminals are tight S Check refrigerant charge level S Ensure indoor coils are clean S Check supply blower motor amperage Electric Heating S Inspect power wire connections S Ensure fuses are operational S Ensure manual reset limit switch is closed Economizer or Outside Air Damp...

Page 4: ...ips Re install the filter by placing the frame in its track then closing the filter clips Manual Outside Air Hood Screen The Manual Outside Air Hood Screen is secured by three screws and a retainer angle across the top edge of the hood See Fig 4 SCREWS C07156 Fig 4 Screens Installed on Outdoor Air Hood Sizes A07 D08 09s Shown Remove the screen by loosening the three screws in the top retainer and ...

Page 5: ...ormer 460 575v C09260 Fig 5 50HCQ Direct Drive Supply Fan Assembly L2 YEL Gnd GRN YEL L1 BLU C 1 2 3 4 5 L G N Motor Power Connections Speed Taps Com BRN VIO Default Connection C09261 Fig 6 ECM Motor Connectors 575V Units 208 230 460V Units C09263 Fig 7 ECM Unit Wiring ...

Page 6: ...the motor first starts the rotor and attached wheel will rock back and forth as the motor tests for rotational direction Once the correct rotational direction is determined by the motor circuitry the motor will ramp up to the specified speed The rocking is a normal operating characteristic of ECM motors Troubleshooting the ECM motor Troubleshooting the X13 ECM requires a voltmeter 1 Disconnect mai...

Page 7: ... the fan to reduce tension or away from fan to increase tension Ensure the blower shaft and the motor shaft are parallel to each other pulleys aligned When finished tighten all bolts and torque to 65 70 in lb 7 4 to 7 9 Nm BROWNING BELT TENSION CHECKER STRAIGHTEDGE 1 2 1 3 cm BELT DEFLECTION C12093 Fig 9 Checking Blower Motor Belt Tension Replacing the Belt NOTE Use a belt with same section type o...

Page 8: ...e fan system uses bearings featuring concentric split locking collars A Torx T 25 socket head cap screw is used to tighten the locking collars Tighten the locking collar by holding it tightly against the inner race of the bearing Tighten the socket head cap screw Torque cap screw to 55 60 in lb 6 2 6 8 Nm See Fig 11 Check the condition of the motor pulley for signs of wear Glazing of the belt cont...

Page 9: ...oil will drive the fibers and dirt into the coil This will make cleaning efforts more difficult Surface loaded fibers and dirt must be completely removed prior to using low velocity clean water rinse Periodic Clean Water Rinse A periodic clean water rinse is very beneficial for coils that are applied in coastal or industrial environments However it is very important that the water rinse is made wi...

Page 10: ...caution can result in corrosion and damage to the unit Harsh chemicals household bleach acid or basic cleaners should not be used to clean outdoor or indoor coils of any kind These cleaners can be very difficult to rinse out of the coil and can accelerate corrosion at the fin tube interface where dissimilar materials are in contact If there is dirt below the surface of the coil use the Totaline En...

Page 11: ...disconnecting the Molex plug and removing mounting screws 4 Slide filters out of unit 5 Clean coil using a commercial coil cleaner or dish washer detergent in a pressurized spray canister Wash both sides of coil and flush with clean water For best results back flush toward return air section to re move foreign material Flush condensate pan after completion 6 Reinstall economizer and filters 7 Reco...

Page 12: ... Replace the entire core body if necessary Service tools are available from RCD that allow the replacement of the check valve core without having to recover the entire system refrigerant charge Apply compressor refrigerant oil to the check valve core s bottom O ring Install the fitting body and torque to 96 10 in lbs 10 9 1 Nm Do not exceed 106 in lbs 11 9 Nm when tightening o o C08453 Fig 16 Core...

Page 13: ...s sensed by the cap tube sens ing bulb on the suction tube at outlet of the evaporat or coil This temperature is converted into pressure by refrigerant in the bulb pushing downward on the dia phragm which opens the valve using the push rods As long as this bulb and cap tube contain any liquid refrigerant this temperature is converted into suction pressure pushing downward on the diaphragm which te...

Page 14: ...all fitting panel in place 10 Sweat inlet of TXV marked IN to liquid line Avoid excessive heat which could damage valve TXV SENSING BULB CLAMP THERMAL EXPANSION TXV VALVE SENSING BULB INSULATION REMOVED FOR CLARITY C12095 Fig 18 TXV Valve and Sensing Bulb COOLING CHARGING CHARTS How To Use Cooling Charging Charts Take the outdoor ambient temperature and read the suction pressure gauge Refer to cha...

Page 15: ...15 COOLING CHARGING CHARTS C160016 Fig 19 Cooling Charging Charts 50HCQA04 C160017 Fig 20 Cooling Charging Charts 50HCQA05 ...

Page 16: ...16 C160018 Fig 21 Cooling Charging Charts 50HCQA06 C160019 Fig 22 Cooling Charging Charts 50HCQA07 ...

Page 17: ...17 C160020 Fig 23 Cooling Charging Charts 50HCQD08 C160021 Fig 24 Cooling Charging Charts 50HCQD09 ...

Page 18: ...18 C160022 Fig 25 Cooling Charging Charts 50HCQD12 Circuit A C160023 Fig 26 Cooling Charging Charts 50HCQD12 Circuit B ...

Page 19: ...s it is important to be certain compressor is rotating in the proper direction To determine whether or not compressor is rotating in the proper direction 1 Connect service gauges to suction and discharge pres sure fittings 2 Energize the compressor 3 The suction pressure should drop and the discharge pressure should rise as is normal on any start up NOTE If the suction pressure does not drop and t...

Page 20: ...or indoor fan heating motor or capacitor Replace Restriction in refrigerant system Locate restriction and remove Compressor Operates Continuously Dirty air filter Replace filter Unit undersized for load Decrease load or increase unit size Thermostat set too low cooling Reset thermostat Low refrigerant charge Locate leak repair and recharge Air in system Recover refrigerant evacuate system and rech...

Page 21: ...rs in the bottom of the cover to permit service tool cords to exit the cover 6 Check cover installation for full closing and latching TOP TOP TOP WET LOCATIONS WET LOCA TIONS COVER WHILE IN USE WEATHERPROOF BASEPLATE FOR GFCI RECEPTACLE GASKET GFCI RECEPTACLE NOT INCLUDED C09022 Fig 29 Weatherproof Cover Installation Non powered type This type requires the field installation of a general purpose 1...

Page 22: ...tains multiple termination strips and connectors to simplify factory control box wiring and field control connections Terminals are clearly marked on the board surface See Fig 31 The CTB contains no software and no logic But it does include seven configuration jumpers that are cut to configure the board to read external optional and accessory controls including that the unit is a heat pump X C R G...

Page 23: ...that is UL recognized as a motor overload controller It is an over current device When the motor current exceeds the circuit breaker set point the device opens all motor power leads and the motor shuts down Reset requires a manual reset at the overload switch This device designated IFCB is located on the side of the supply fan housing behind the fan access panel Troubleshooting supply fan motor ov...

Page 24: ...mper JMP17 Speed Up Jumper JMP18 Jumper for 1 3 seconds Factory Test defrost runs for 9 seconds Jumper for 5 20 seconds Forced Defrost defrost runs for 30 seconds if DFT2 is open Reversing valve control The DFB has two outputs for unit reversing valve control Operation of the reversing valves is based on internal logic this application does not use an O or B signal to determine reversing valve pos...

Page 25: ...ns indicating the outdoor coil has been cleared of frost and ice or a 10 minute elapsed period expires whichever comes first On sizes 08 12 Circuit 1 s defrost thermostat DFT1 located on the upper circuit of the outdoor coil on 08 09 size and the outdoor coil with one bend on the 12 size cannot initiate a unit defrost cycle only DFT2 can do this But once Circuit 2 is in defrost the DFB will monito...

Page 26: ...cess Panel Location 3 6 Ton Heater modules are installed in the compartment below the indoor supply fan outlet Access is through the indoor access panel Heater modules slide into the compartment on tracks along the bottom of the heater opening See Fig 35 Fig 36 and Fig 37 Not all available heater modules can be used in every unit Use only those heater modules that are UL listed for use in a specif...

Page 27: ...s require a special Single Point Box without any fuses Connect power supply conductors to heater conductors and field supplied base unit power tap leads see text below re Completing Heater Installation inside the empty Single Point Box using UL approved connectors Safety Devices Electric heater applications use a combination of line break auto reset limit switches and a pilot circuit manual reset ...

Page 28: ...ition 1 HR2 On Heater 2 in Position 2 if installed C09013 Fig 41 Accessory Electric Heater Control Connections HP 1 Except Size 12 and 121 HP 2 Except Size 12 NOTE 4 AND 6 RED EHR EHR ORN TRAN2 FROM POWER SCHEMATIC 24V BRN 24V CB 3 2 AMPS BRN GRN YEL 24V RED BRN 1 0 1 0 8 6 FPT BLK BLK BRN BRN BRN RED ELECTRIC HEAT ACCESSORY SEE HEATER LABEL DIAGRAM BRN BRN 24V 5 TRAN1 FROM POWER SCHEMATIC 24V BRN...

Page 29: ...sensor see Fig 45 includes a plastic housing a printed circuit board a clear plastic cover a sampling tube inlet and an exhaust tube The sampling tube when used and exhaust tube are attached during installation The sampling tube varies in length depending on the size of the rooftop unit The clear plastic cover permits visual inspections without having to disassemble the sensor The cover attaches t...

Page 30: ...er and controller location This sensor is shipped in a flat mounting location Installation requires that this sensor be relocated to its operating location and the tubing to the sampling tube be connected See Completing Installation of Return Air Smoke Sensor for installation RA detector must be moved from shipping position to operating position by installer RETURN AIR DETECTOR SAMPLING TUBE RETUR...

Page 31: ...Typical Smoke Detector System Wiring Highlight A JMP 3 is factory cut transferring unit control to smoke detector Highlight B Smoke detector NC contact set will open on smoke alarm condition de energizing the ORN conductor Highlight C 24V power signal via ORN lead is removed at Smoke Detector input on CTB Control Terminal Board all unit operations cease immediately PremierLink Control Unit operati...

Page 32: ...fy that the sensor s Alarm Light Emitting Diode LED turns on 3 Reset the sensor by holding the test magnet against the sensor housing for two seconds 4 Verify that the sensor s Alarm LED turns off Controller Alarm Test The controller alarm test checks the controller s ability to initiate and indicate an alarm state OPERATIONAL TEST ALERT Failure to follow this ALERT can result in an unnecessary ev...

Page 33: ...tion will put the detector into the alarm state and activate all automatic alarm responses Before changing dirty sensor test operation disconnect all auxiliary equipment from the controller and notify the proper authorities if connected to a fire alarm system NOTICE Changing the Dirty Sensor Test By default sensor dirty test results are indicated by S The sensor s Dirty LED flashing S The controll...

Page 34: ...ators CONTROL OR INDICATOR DESCRIPTION Magnetic test reset switch Resets the sensor when it is in the alarm or trouble state Activates or tests the sensor when it is in the normal state Alarm LED Indicates the sensor is in the alarm state Trouble LED Indicates the sensor is in the trouble state Dirty LED Indicates the amount of environmental compensation used by the sensor flashing continuously 10...

Page 35: ...Controller Assembly NOTE All troubles are latched by the duct smoke detector The trouble condition must be cleared and then the duct smoke detector must be reset in order to restore it to the normal state Resetting Alarm and Trouble Condition Trips Manual reset is required to restore smoke detector systems to Normal operation For installations using two sensors the duct smoke detector does not dif...

Page 36: ...nd Configuration Instructions for temperature resistance characteristic PREMIERLINK CONTROL The PremierLink controller see Fig 55 is compatible with Carrier Comfort Networkr CCN devices This control is designed to allow users the access and ability to change factory defined settings thus expanding the function of the standard unit control board CCN service access tools include System Pilott Touch ...

Page 37: ...he RTU OPEN must be routed through the raceway built into the corner post of the unit or secured to the unit control box with electrical conduit The unit raceway provides the UL required clearance between high and low voltage wiring Pass the control wires through the hole provided in the corner post then feed the wires thorough the raceway to the RTU OPEN Connect the wires to the removable Phoenix...

Page 38: ...38 C10818 Fig 56 RTU OPEN Control Module ...

Page 39: ...nit PERSONAL INJURY AND ENVIRONMENTAL HAZARD Failure to follow this warning could result in personal injury or death Relieve pressure and recover all refrigerant before system repair or final unit disposal Wear safety glasses and leather gloves when handling refrigerants Keep torches and other ignition sources away from refrigerants and oils WARNING 3 Perform the following inspections a Inspect fo...

Page 40: ...Re energize to the compressor Check pressures The suction and discharge pressure levels should now move to their normal start up levels NOTE When the compressor is rotating in the wrong direction the unit will make an elevated level of noise and will not provide cooling Refrigerant Service Ports Each unit system has two 1 4 SAE flare with check valves service ports one on the suction line and one ...

Page 41: ...d adjustable Refer to PremierLinkt Installation Start Up and Configuration Instructions for specific operating instructions for the controller Have a copy of this manual available at unit start up NOTICE Perform System Check Out 1 Check all power and communication connections ensuring the are properly connected and securely tightened 2 At the unit check fan and system controls for proper operation...

Page 42: ...screw 72 5 in lbs 8 1 0 6 Nm Bearing locking collar setscrew 55 to60 in lbs 6 2 to 6 8 Nm Compressor mounting bolts 65 to75 in lbs 7 3 to 7 9 Nm Condenser fan motor mounting bolts 65 to75 in lbs 7 3 to 7 9 Nm Condenser fan motor mounting bolts 20 2 in lbs 2 3 0 2 Nm Condenser fan hub setscrew 84 12 in lbs 9 5 1 4 Nm A04 06 Direct Drive Motor mount arm 60 5 in lbs 6 8 0 5 Nm Fan wheel hub setscrew ...

Page 43: ...Diagnostic 1 PremierLink Controller 2 RTU Open Multi Protocol Controller 6 Electro mechanical w 2 speed fan and W7220 Economizer controller Controls Can be used with W7220 EconoMi er X with Fault Detection and Diagnostic Intake Exhaust Options A None B Temperature Economizer w Barometric Relief F Enthalpy Economizer w Barometric Relief K 2 Position Damper U Temperature Ultra Low Leak Economizer w ...

Page 44: ...at POSITION NUMBER 1 2 3 4 5 6 7 8 9 10 TYPICAL 0 4 0 9 G 1 2 3 4 5 POSITION DESIGNATES 1 2 Week of manufacture fiscal calendar 3 4 Year of manufacture 08 2008 5 Manufacturing location G ETP Texas USA 6 10 Sequential number ...

Page 45: ...RPM Range 600 1200 600 1200 600 1200 489 747 Motor Frame Size 48 48 48 56 Fan Qty Type 1 Centrifugal 1 Centrifugal 1 Centrifugal 1 Centrifugal Fan Diameter x Length in 10 x 10 10 x 10 11 x 10 15 x 15 Medium Static 3 phase Motor Qty Drive Type 1 Belt 1 Belt 1 Belt 1 Belt Max BHP 1 5 1 5 2 0 2 9 RPM Range 819 1251 920 1303 1066 1380 733 949 Motor Frame Size 56 56 56 56 Fan Qty Type 1 Centrifugal 1 C...

Page 46: ...M Range 690 936 591 838 547 757 Motor Frame Size 56 56 56 Fan Qty Type 1 Centrifugal 1 Centrifugal 1 Centrifugal Fan Diameter x Length in 15 x 15 15 x 15 18 x 18 High Statoc 3 phase Motor Qty Drive Type 1 Belt 1 Belt 1 Belt Max BHP 2 8 2 8 6 1 RPM Range 838 1084 838 1084 762 963 Motor Frame Size 56 56 S184T Fan Qty Type 1 Centrifugal 1 Centrifugal 1 Centrifugal Fan Diameter x Length in 15 x 15 15 ...

Page 47: ...Ps or accessories 3 Tabular data accounts for pressure loss due to clean filters unit casing and wet coils Factory options and accessories can add static pressure losses 4 The Fan Performance tables offer motor drive recommendations In cases when two motor drive combinations would work Carrier recommended the lower horsepower option 5 For information on the electrical properties of Carrier s motor...

Page 48: ...900 1 35 0 52 975 1 30 0 54 1050 1 26 0 57 1125 1 21 0 59 1200 1 16 0 62 1275 1 12 0 64 1350 1 07 0 67 1425 1 02 0 70 1500 0 97 0 73 Table 17 50HCQA04 ELECTRIC DRIVE X13 MOTOR 3 TON VERTICAL SUPPLY SPEED TORQUE TAP CFM ESP BHP 1 900 0 44 0 19 975 0 34 0 18 1050 0 24 0 17 1125 0 15 0 16 1200 0 07 0 16 1275 1350 1425 1500 2 900 0 60 0 24 975 0 49 0 23 1050 0 38 0 22 1125 0 28 0 21 1200 0 18 0 20 127...

Page 49: ... 1 25 0 61 1300 1 20 0 65 1400 1 12 0 68 1500 1 04 0 68 1600 1 05 0 76 1700 1 01 0 76 1800 0 96 0 84 1900 0 91 0 89 2000 0 87 0 93 Table 19 50HCQA05 4 TON VERTICAL UNIT DIRECT DRIVE SPEED TORQUE TAP CFM ESP BHP 1 1200 0 87 0 43 1300 0 73 0 41 1400 0 59 0 39 1500 0 43 0 37 1600 0 27 0 34 1700 0 12 0 33 1800 1900 2000 2 1200 0 96 0 48 1300 0 84 0 46 1400 0 69 0 44 1500 0 53 0 41 1600 0 37 0 39 1700 ...

Page 50: ... 00 0 72 5 1500 1 52 0 97 1625 1 42 1 01 1750 1 16 1 05 1875 0 96 1 09 2000 1 00 1 09 2125 0 82 1 06 2250 0 62 1 02 2375 0 40 0 98 2500 0 16 0 93 Table 21 50HCQA06 5 TON VERTICAL UNIT DIRECT DRIVE SPEED TORQUE TAP CFM ESP BHP 1 1500 0 27 0 32 1625 0 13 0 30 1750 1875 2000 2125 2250 2375 2500 2 1500 0 42 0 40 1625 0 25 0 37 1750 0 08 0 34 1875 2000 2125 2250 2375 2500 3 1500 1 11 0 79 1625 0 91 0 7...

Page 51: ...w 1 7 HP High Static 1035 1466 RPM Max BHP 2 0 motor is 2 4 HP Table 23 50HCQA04 3 TON VERTICAL SUPPLY CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 900 594 0 15 740 0 25 867 0 37 981 0 52 1084 0 68 975 618 0 17 758 0 28 881 0 40 991 0 55 1092 0 71 1050 642 0 19 777 0 30 896 0 43 1003 0 58 1102 0 75 1125 668 0 22 797 0 34 912 0 47 1017 0 6...

Page 52: ...213 and belt KR29AF043 High Static 1035 1466 RPM Max BHP 2 0 motor 2 4 HP Med Static 920 1303 RPM Max BHP 1 5 motor new 1 7 HP Table 25 50HCQA05 4 TON VERTICAL SUPPLY CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 1200 682 0 25 800 0 36 897 0 48 982 0 61 1058 0 75 1300 717 0 29 832 0 42 928 0 55 1011 0 68 1086 0 82 1400 753 0 34 865 0 48 95...

Page 53: ...d Static 1066 1380 RPM Max BHP 2 0 motor is new 2 4 HP High Static 1208 1550 RPM Max BHP 2 9 motor is 2 9 HP Outside operating range Table 27 50HCQA06 5 TON VERTICAL SUPPLY CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 1500 794 0 41 902 0 55 993 0 69 1074 0 85 1147 1 00 1625 840 0 49 945 0 64 1034 0 80 1113 0 96 1185 1 13 1750 888 0 59 988...

Page 54: ...tor is 1 7 HP Med Static 733 949 RPM Max BHP 2 9 motor is 2 9 HP High Static 909 1102 RPM Max BHP 4 0 motor is 4 9 HP Table 29 50HCQA07 6 TON VERTICAL SUPPLY CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 1800 446 0 33 534 0 50 609 0 70 676 0 91 736 1 14 1950 467 0 39 552 0 57 625 0 77 690 0 99 750 1 23 2100 489 0 45 571 0 64 642 0 86 706 1...

Page 55: ... 2 motor is 1 7 HP Med Static 690 936 RPM Max BHP 1 7 motor is 2 4 HP High Static 838 1084 RPM Max BHP 2 8 motor is 3 7 HP Table 31 50HCQD08 7 5 TON VERTICAL SUPPLY CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 2250 457 0 32 536 0 44 604 0 55 664 0 67 719 0 79 2438 481 0 39 557 0 51 623 0 64 682 0 77 735 0 89 2625 505 0 47 578 0 60 642 0 7...

Page 56: ...P 1 7 motor is 2 4 HP Med static 591 838 RPM Max BHP 2 9 motor is 2 9 HP High static 838 1084 RPM Max BHP 2 8 motor is 3 7 HP Table 33 50HCQD09 8 5 TON VERTICAL SUPPLY CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 2550 495 0 43 570 0 56 634 0 70 693 0 83 746 0 96 2763 524 0 53 595 0 67 657 0 81 714 0 95 766 1 09 2975 552 0 63 620 0 79 681 ...

Page 57: ...402 0 47 483 0 68 559 0 94 629 1 22 692 1 53 3500 421 0 55 498 0 78 570 1 04 637 1 33 699 1 65 3750 441 0 65 513 0 88 582 1 15 647 1 45 707 1 78 4000 461 0 75 529 0 99 594 1 27 657 1 58 716 1 91 4250 481 0 87 545 1 12 608 1 41 668 1 72 725 2 06 4500 502 1 01 563 1 26 622 1 55 680 1 88 735 2 22 4750 522 1 15 581 1 42 637 1 72 693 2 05 746 2 40 5000 543 1 31 599 1 59 653 1 90 706 2 23 758 2 59 CFM A...

Page 58: ...949 927 906 884 863 841 819 798 776 755 733 High Static 1102 1083 1063 1044 1025 1006 986 967 948 928 909 08 3 phase Standard Static 733 712 690 669 647 626 604 583 561 540 518 Medium Static 936 911 887 862 838 813 788 764 739 715 690 High Static 1084 1059 1035 1010 986 961 936 912 887 863 838 09 3 phase Standard Static 652 633 614 594 575 556 537 518 498 479 460 Medium Static 838 813 789 764 739 ...

Page 59: ... Full Load FLA 208 1 60 187 253 19 8 109 325 1 4 DD STD 78 7 4 230 1 60 187 253 19 8 109 325 1 4 DD STD 78 7 4 208 3 60 187 253 13 1 83 325 1 4 DD STD 78 7 4 MED 87 5 2 HIGH 69 5 2 230 3 60 187 253 13 1 83 325 1 4 DD STD 78 7 4 MED 87 4 9 HIGH 69 5 2 460 3 60 414 506 6 1 41 325 0 8 DD STD 78 4 0 MED 87 2 5 HIGH 69 2 6 575 3 60 518 633 4 4 33 325 0 8 DD STD 78 4 0 MED 72 1 6 HIGH 78 2 0 TABLE 39 50...

Page 60: ...IN MAX RLA LRA WATTS FLA TYPE EFF at Full Load FLA 208 3 60 187 253 19 0 123 325 1 5 STD 87 5 2 MED 89 8 4 HIGH 83 13 6 230 3 60 187 253 19 0 123 325 1 5 STD 87 4 9 MED 89 8 3 HIGH 83 12 7 460 3 60 414 506 9 7 62 325 0 8 STD 87 2 5 MED 89 4 2 HIGH 83 6 4 575 3 60 518 633 7 4 50 325 0 6 STD 72 1 6 MED 77 2 8 HIGH 81 5 6 TABLE 41 50HCQD08 2 STAGE COOLING WITH SINGLE SPEED INDOOR FAN MOTOR V Ph Hz VO...

Page 61: ...RLA LRA RLA LRA WATTS FLA TYPE EFF at Full Load FLA MIN MAX 208 3 60 187 253 16 0 91 13 7 83 325 6 2 STD 80 6 9 MED 80 8 4 HIGH 81 10 6 230 3 60 187 253 16 0 91 13 7 83 325 6 2 STD 80 6 7 MED 80 8 3 HIGH 81 10 6 460 3 60 414 506 7 0 46 6 2 41 325 3 1 STD 80 3 4 MED 80 4 2 HIGH 81 5 3 575 3 60 518 633 5 6 37 4 8 33 325 2 5 STD 80 2 0 MED 80 2 8 HIGH 81 2 8 TABLE 44 50HCQD09 2 STAGE COOLING WITH 2 S...

Page 62: ...4 MED 80 4 2 HIGH 89 5 7 6 575 3 60 518 633 5 8 39 5 7 39 280 0 7 STD 80 2 0 MED 80 2 8 HIGH 89 5 6 1 TABLE 46 50HCQD12 2 STAGE COOLING WITH 2 SPEED INDOOR FAN MOTOR V Ph Hz VOLTAGE RANGE COMP 1 COMP 2 OFM ea IFM MIN MAX RLA LRA RLA LRA WATTS FLA TYPE EFF at Full Load FLA 208 3 60 187 253 15 6 110 15 9 110 280 1 5 STD 77 7 1 280 1 5 MED 85 8 6 280 1 5 HIGH 90 20 4 230 3 60 187 253 15 6 110 15 9 11...

Page 63: ... Never operate a motor where a phase imbalance in supply voltage is greater than 2 Use the following formula to determine the percentage of voltage imbalance Voltage Imbalance 100 x max voltage deviation from average voltage average voltage Example Supply voltage is 230 3 60 AB 224 v BC 231 v AC 226 v Average Voltage 224 231 226 681 3 3 227 Determine maximum deviation from average voltage AB 227 2...

Page 64: ...0 60 48 50 136 139 104B 7 9 10 5 21 9 25 3 47 51 50 60 44 48 133 136 49 53 50 60 46 50 135 138 52 56 60 60 50 53 138 141 54 58 60 60 52 56 140 143 105A 12 0 16 0 33 4 38 5 61 67 70 70 58 63 144 150 63 69 70 70 60 65 146 152 66 72 70 80 63 69 149 155 68 74 70 80 65 71 151 157 HIGH NONE 23 23 30 30 23 23 147 25 25 30 30 25 25 149 28 28 30 30 28 28 152 30 29 35 35 30 30 154 101A 3 3 4 4 9 2 10 6 34 3...

Page 65: ...5 71 70 80 61 67 155 161 67 73 70 80 63 69 157 163 70 76 70 80 67 72 160 166 72 78 80 80 69 74 162 168 104B 104B 15 8 21 0 43 8 50 5 78 86 80 90 73 80 210 223 80 88 80 90 75 83 212 225 83 91 90 100 79 86 215 228 85 93 90 100 81 88 217 230 HIGH NONE 27 27 30 30 26 26 158 29 28 40 40 29 28 160 31 31 40 40 32 32 163 33 33 45 45 34 34 165 102A 4 9 6 5 13 6 15 6 44 46 50 50 42 44 172 174 46 48 50 50 44...

Page 66: ...100 85 93 278 291 92 100 100 100 88 95 280 293 104B 105A 19 9 26 5 55 2 63 8 99 110 100 110 93 103 295 313 101 112 110 125 95 105 297 315 104 115 110 125 99 108 300 318 106 116 110 125 101 111 302 320 HIGH NONE 30 30 45 45 30 29 185 32 32 45 45 32 32 187 35 35 50 50 35 35 190 37 37 50 50 37 37 192 102A 4 9 6 5 13 6 15 6 47 50 50 60 45 47 199 201 49 51 60 60 47 50 201 203 52 54 60 60 51 53 204 206 ...

Page 67: ...7 69 80 80 67 68 253 255 117A 7 8 10 4 21 7 25 0 69 72 80 80 67 69 252 255 72 76 80 80 71 74 256 259 73 77 80 80 72 75 257 260 77 81 80 90 76 79 261 264 110A 12 0 16 0 33 4 38 5 83 89 90 90 80 85 263 269 87 93 90 100 84 89 267 273 88 94 90 100 86 90 268 274 92 97 100 100 90 95 272 278 117A 117A 15 8 21 0 43 8 50 5 96 104 100 110 92 99 318 331 100 108 100 110 96 103 322 335 101 109 110 110 98 104 3...

Page 68: ... 248 250 63 65 70 80 63 64 249 251 67 69 80 80 67 68 253 255 117A 7 8 10 4 21 7 25 0 69 72 80 80 67 69 252 255 72 76 80 80 71 74 256 259 73 77 80 80 72 75 257 260 77 81 80 90 76 79 261 264 110A 12 0 16 0 33 4 38 5 83 89 90 90 80 85 263 269 87 93 90 100 84 89 267 273 88 94 90 100 86 90 268 274 92 97 100 100 90 95 272 278 117A 117A 15 8 21 0 43 8 50 5 96 104 100 110 92 99 318 331 100 108 100 110 96 ...

Page 69: ...35 237 63 65 70 80 63 64 249 251 67 69 80 80 67 68 253 255 117A 7 8 10 4 21 7 25 0 68 71 80 80 66 69 239 242 72 75 80 80 70 73 243 246 73 77 80 80 72 75 257 260 77 81 80 90 76 79 261 264 110A 12 0 16 0 33 4 38 5 83 88 90 90 79 84 250 256 86 92 90 100 84 89 254 260 88 94 90 100 86 90 268 274 92 97 100 100 90 95 272 278 117A 117A 15 8 21 0 43 8 50 5 96 103 100 110 91 98 305 318 99 107 100 110 96 102...

Page 70: ... 84 289 292 110A 12 0 16 0 33 4 38 5 85 92 90 100 84 90 291 297 89 95 90 100 89 94 295 301 90 96 90 100 90 96 296 302 94 100 100 100 94 100 300 306 111A 18 6 24 8 51 7 59 7 108 118 110 125 105 114 310 318 112 122 125 125 110 119 314 322 113 123 125 125 111 120 315 323 117 127 125 150 115 124 319 327 112A 24 0 32 0 66 7 77 0 127 140 150 150 122 134 325 335 131 144 150 150 127 139 329 339 132 145 15...

Page 71: ...323 326 110A 12 0 16 0 33 4 38 5 93 99 100 100 92 98 325 331 97 103 100 110 96 102 329 335 98 104 100 110 97 103 330 336 101 108 110 110 102 108 334 340 111A 18 6 24 8 51 7 59 7 116 126 125 150 113 122 344 352 119 129 125 150 117 127 348 356 120 130 125 150 118 128 349 357 124 134 125 150 123 132 353 361 112A 24 0 32 0 66 7 77 0 134 147 150 150 130 142 359 369 138 151 150 175 135 146 363 373 139 1...

Page 72: ...7 43 5 90 7 104 7 175 193 175 200 169 185 505 533 179 197 200 200 174 190 509 537 180 198 200 200 175 191 510 538 184 201 200 225 179 195 514 542 291A 294A 37 6 50 0 104 3 120 3 192 182 200 200 185 203 533 565 196 186 200 200 189 208 537 569 197 187 200 200 190 209 538 570 201 191 225 200 195 213 542 574 460 3 60 STD NONE 23 30 23 125 25 30 26 127 25 30 26 127 27 30 28 129 289A 10 0 12 0 38 40 37 ...

Page 73: ... 80 80 76 79 276 279 79 83 80 90 81 83 280 283 110A 12 0 16 0 33 4 38 5 85 91 90 100 84 89 282 288 89 95 90 100 89 93 286 292 90 96 90 100 90 95 287 293 94 99 100 100 94 99 291 297 111A 18 6 24 8 51 7 59 7 108 117 110 125 105 114 301 309 112 121 125 125 110 118 305 313 113 122 125 125 111 119 306 314 117 126 125 150 115 123 310 318 112A 24 0 32 0 66 7 77 0 127 139 150 150 123 133 316 326 131 143 1...

Page 74: ...0 84 87 310 313 87 90 90 90 89 91 314 317 110A 12 0 16 0 33 4 38 5 93 98 100 100 92 97 316 322 97 102 100 110 96 101 320 326 98 103 100 110 98 102 321 327 102 107 110 110 102 107 325 331 111A 18 6 24 8 51 7 59 7 116 125 125 125 113 121 335 343 120 129 125 150 118 126 339 347 121 130 125 150 119 127 340 348 124 133 125 150 123 131 344 352 112A 24 0 32 0 66 7 77 0 135 146 150 150 130 141 350 360 138...

Page 75: ...414 288A 294A 32 7 43 5 90 7 104 7 175 193 175 200 169 185 505 533 179 197 200 200 174 190 509 537 180 198 200 200 175 191 510 538 184 201 200 225 179 195 514 542 291A 294A 37 6 50 0 104 3 120 3 192 182 200 200 185 203 533 565 196 186 200 200 189 208 537 569 197 187 200 200 190 209 538 570 201 191 225 200 195 213 542 574 460 3 60 STD NONE 24 30 24 124 25 30 26 126 26 30 27 126 28 30 29 128 289A 10...

Page 76: ...7 D 460 3 60 48TM502826 G 48TM502827 D 575 3 60 48TM502826 G 48TM502827 D 50HCQD SIZE VOLTAGE CONTROL POWER D08 208 230 3 60 48TM501370 O 48TM501371 L 460 3 60 48TM501370 O 48TM501371 L 575 3 60 48TM501370 O 48TM501371 L D09 208 230 3 60 48TM501370 O 48TM501371 L 460 3 60 48TM501370 O 48TM501371 L 575 3 60 48TM501370 O 48TM501371 L D12 208 230 3 60 48TM501926 K 48TM501927 G 460 3 60 48TM501926 K 4...

Page 77: ...77 APPENDIX V WIRING DIAGRAMS C150426 Fig 57 50HCQA04 A05 Control Wiring Diagram 208 230 1 60 208 230 3 60 460 3 60 ...

Page 78: ...78 APPENDIX V WIRING DIAGRAMS C150427 Fig 58 50HCQA04 A05 Control Wiring Diagram 575 3 60 ...

Page 79: ...79 APPENDIX V WIRING DIAGRAMS C160012 Fig 59 50HCQ 06 Control Wiring Diagram 208 230 1 60 208 230 3 60 460 3 60 ...

Page 80: ...80 APPENDIX V WIRING DIAGRAMS C160013 Fig 60 50HCQ 06 Control Wiring Diagram 575 3 60 ...

Page 81: ...81 APPENDIX V WIRING DIAGRAMS C160014 Fig 61 50HCQ 07 Control Wiring Diagram 208 230 1 60 208 230 3 60 460 3 60 575 3 60 ...

Page 82: ...82 APPENDIX V WIRING DIAGRAMS C150428 Fig 62 50HCQ 08 09 Control Wiring Diagram 208 230 1 60 208 230 3 60 460 3 60 575 3 60 ...

Page 83: ...83 APPENDIX V WIRING DIAGRAMS C150328 Fig 63 50HCQ 12 Control Wiring Diagram 208 230 1 60 208 230 3 60 460 3 60 575 3 60 ...

Page 84: ...84 APPENDIX V WIRING DIAGRAMS C150243 Fig 64 50HCQ 04 05 06 Power Wiring Diagram 208 230 1 60 ...

Page 85: ...85 APPENDIX V WIRING DIAGRAMS C12347 Fig 65 50HCQ 04 05 06 Power Wiring Diagram 208 230 3 60 ...

Page 86: ...86 APPENDIX V WIRING DIAGRAMS C12353 Fig 66 50HCQ 04 05 06 Power Wiring Diagram 460 3 60 ...

Page 87: ...87 APPENDIX V WIRING DIAGRAMS C12354 Fig 67 50HCQ 04 05 06 Power Wiring Diagram 575 3 60 ...

Page 88: ...88 APPENDIX V WIRING DIAGRAMS C160015 Fig 68 50HCQ 07 Power Wiring Diagram 208 230 3 60 460 3 60 575 3 60 ...

Page 89: ...89 APPENDIX V WIRING DIAGRAMS C12348 Fig 69 50HCQ 09 Power Wiring Diagram 208 230 3 60 460 3 60 575 3 60 ...

Page 90: ...90 APPENDIX V WIRING DIAGRAMS C12349 Fig 70 50HCQ 12 Power Wiring Diagram 208 230 3 60 460 3 60 575 3 60 ...

Page 91: ...91 APPENDIX V WIRING DIAGRAMS C12356 Fig 71 50HCQ 12 Power Wiring Diagram 460 3 60 575 3 60 ...

Page 92: ...92 APPENDIX V WIRING DIAGRAMS C150432 Fig 72 50HCQ PremierLink Control Diagram ...

Page 93: ...93 APPENDIX V WIRING DIAGRAMS C12359 Fig 73 50HCQ RTU Open Control Diagram ...

Page 94: ...94 APPENDIX VI MOTORMASTER SENSOR LOCATIONS C10646 Fig 74 50HCQA04 Outdoor Circuiting SENSOR LOCATION C12332 Fig 75 50HCQA05 A06 Outdoor Circuiting ...

Page 95: ...95 APPENDIX VI MOTORMASTER SENSOR LOCATIONS CONT Sensor Location C09194 Fig 76 50HCQA07 Outdoor Circuiting Sensor Location C09195 Fig 77 50HCQD08 D09 Outdoor Circuiting ...

Page 96: ...r access panel SENSOR LOCATION C10939 Fig 78 50HCQD12 Outdoor Circuiting Copyright 2016 Carrier Corp S 7310 W Morris St S Indianapolis IN 46231 Edition Date 02 16 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No 50HCQ 04 12 01SM Replaces Replaces 50HCQ 01SM ...

Page 97: ...ATION IN HOUSING ORIFICE AND SETSCREW TIGHTNESS j CHECK TO ENSURE THAT ELECTRICAL WIRING IS NOT IN CONTACT WITH REFRIGERANT LINES OR SHARP METAL EDGES j CHECK PULLEY ALIGNMENT AND BELT TENSION PER INSTALLATION INSTRUCTIONS III START UP ELECTRICAL SUPPLY VOLTAGE L1 L2 L2 L3 L3 L1 CIRCUIT 1 COMPRESSOR AMPS L1 L2 L3 CIRCUIT 2 COMPRESSOR AMPS L1 L2 L3 INDOOR FAN AMPS OUTDOOR FAN AMPS NO 1 NO 2 NO 3 TE...

Page 98: ...310 W Morris St S Indianapolis IN 46231 Edition Date 02 16 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No 50HCQ 04 12 01SM Replaces Replaces 50HCQ 01SM ...

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