Carrier 50HCQ04---12 Service And Maintenance Instructions Download | Manualshive

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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53500234-01

Printed in U.S.A.

Form 50HCQ-4-12-02SM Rev. A

Pg 1

10-19

Replaces: 50HCQ-4-12-01SM

Service and Maintenance Instructions

CONTENTS

Page

SAFETY CONSIDERATIONS

. . . . . . . . . . . . . . . . . . . . . . 2

UNIT ARRANGEMENT AND ACCESS

. . . . . . . . . . . . . . 3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Routine Maintenance

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Seasonal Maintenance

. . . . . . . . . . . . . . . . . . . . . . . . . . . 4

RETURN AIR FILTERS

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Removing the Return Air Filters

. . . . . . . . . . . . . . . . . . . 4

Re-installing the Access Panel

. . . . . . . . . . . . . . . . . . . . 4

Outside Air Hood

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Economizer Inlet Air Screen

. . . . . . . . . . . . . . . . . . . . . . 4

Manual Outside Air Hood Screen

. . . . . . . . . . . . . . . . . . 4

SUPPLY FAN (BLOWER) SECTION

. . . . . . . . . . . . . . . . 5

Supply Fan (Direct-Drive)

. . . . . . . . . . . . . . . . . . . . . . . . . 5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Supply Fan (Belt-Drive)

. . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Variable Frequency Drive (VFD)

. . . . . . . . . . . . . . . . . . . 7

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Adjustable-Pitch Pulley on Motor

. . . . . . . . . . . . . . . . . . 7

Changing the Fan Speed

. . . . . . . . . . . . . . . . . . . . . . . . . 8

Aligning Blower and Motor Pulleys

. . . . . . . . . . . . . . . . 8

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

MOTOR

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

HEAT PUMP REFRIGERATION SYSTEM

. . . . . . . . . . . 8

Outdoor Coil

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Indoor Coil

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Recommended Outdoor Coil Maintenance
and Cleaning

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Indoor Coil

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Refrigeration System Components

. . . . . . . . . . . . . . . 10

Reversing Valve and Check Valve Position

. . . . . . . . 10

Troubleshooting Refrigerant Pressure
Problems and Check Valves

. . . . . . . . . . . . . . . . . . . 10

Refrigerant System Pressure Access Ports

. . . . . . . 10

®

(R-410A) REFRIGERANT

. . . . . . . . . . . . . . . . 11

Refrigerant Charge

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

THERMOSTATIC EXPANSION VALVE (TXV)

. . . . . . . 12

TXV Operation

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Replacing TXV

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

COOLING CHARGING CHARTS

. . . . . . . . . . . . . . . . . . 14

Page

How To Use Cooling Charging Charts

. . . . . . . . . . . . 14

COMPRESSOR

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Lubrication

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Replacing Compressor

. . . . . . . . . . . . . . . . . . . . . . . . . . 16

Compressor Rotation

. . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Filter Drier

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Outdoor Fan Location

. . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Troubleshooting Cooling System

. . . . . . . . . . . . . . . . 17

CONVENIENCE OUTLETS

. . . . . . . . . . . . . . . . . . . . . . . 19

Non-Powered Type

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Unit-Powered Type

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Installing Weatherproof Cover

. . . . . . . . . . . . . . . . . . . 19

Maintenance

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Fuse on Powered Type

. . . . . . . . . . . . . . . . . . . . . . . . . . 20

Using Unit-Mounted Convenience Outlets

. . . . . . . . 20

HEAT PUMP CONTROLS

. . . . . . . . . . . . . . . . . . . . . . . . 20

Central Terminal Board

. . . . . . . . . . . . . . . . . . . . . . . . . . 20

PROTECTIVE CONTROLS

. . . . . . . . . . . . . . . . . . . . . . . 20

Compressor Protection

. . . . . . . . . . . . . . . . . . . . . . . . . 20

Supply (Indoor) Fan Motor Protection

. . . . . . . . . . . . 21

Outdoor Fan Motor Protection

. . . . . . . . . . . . . . . . . . . 21

COMMERCIAL DEFROST CONTROL

. . . . . . . . . . . . . 21

Reversing Valve Control

. . . . . . . . . . . . . . . . . . . . . . . . . 21

Compressor Control

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Auxiliary (Electric) Heat control

. . . . . . . . . . . . . . . . . . 22

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Defrost Thermostats

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Indoor Fan Off Delay

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Defrost Speedup Functions

. . . . . . . . . . . . . . . . . . . . . . 23

ELECTRIC HEATERS

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Single Point Boxes and Supplementary Fuses

. . . . 25

Safety Devices

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Completing Heater Installation

. . . . . . . . . . . . . . . . . . . 25

SMOKE DETECTORS

. . . . . . . . . . . . . . . . . . . . . . . . . . . 26

System

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Smoke Detector Sensor

. . . . . . . . . . . . . . . . . . . . . . . . . 26

Smoke Detector Locations

. . . . . . . . . . . . . . . . . . . . . . 27

Completing Installation of Return Air Smoke
Detector

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

WeatherMaster

®

50HCQ04-12

Single Package Rooftop Heat Pump/Electric Heat

with Puron

®

(R-410A) Refrigerant

1
2
3
...
»

Summary of Contents for 50HCQ04---12

Page 1: ...frigerant System Pressure Access Ports 10 PURON R 410A REFRIGERANT 11 Refrigerant Charge 11 THERMOSTATIC EXPANSION VALVE TXV 12 TXV Operation 12 Replacing TXV 12 COOLING CHARGING CHARTS 14 Page How To...

Page 2: ...ork gloves Use quenching cloths for brazing operations and have a fire extinguisher available Read these instructions thoroughly and follow all warnings or cautions attached to the unit Consult local...

Page 3: ...ous personal injury and or property damage Never use air or gases containing oxygen for leak testing or for operating refrigerant compressors Pressurized mixtures of air or gases containing oxygen can...

Page 4: ...required with similar replacement filters of same size Re Installing the Access Panel 1 Slide the top of the panel up under the unit top panel 2 Slide the bottom into the side channels 3 Push the bot...

Page 5: ...in tain the programmed shaft torque Consequently there is no specific speed value assigned to each control tap setting At the Position 5 tap the motor speed is approximately 1050 RPM 17 5 r s but vari...

Page 6: ...belly band mounting ring from old motor 1 Measure the distance from base of the motor shaft to the edge of the mounting ring 2 Remove the motor mounting band and transfer it to the replacement motor 3...

Page 7: ...and motor shaft 3 Remove the belt by gently lifting the old belt over one of the pulleys 4 Install the new belt by gently sliding the belt over both pulleys and then sliding the motor and plate away...

Page 8: ...pitch pulley after the final airflow balance adjust ment This will reduce the amount of vibration generated by the motor belt drive system HEAT PUMP REFRIGERATION SYSTEM Outdoor Coil The 50HCQ outdoor...

Page 9: ...switch 2 Remove top panel screws on outdoor coil end of unit 3 Remove coil corner post See Fig 12 To hold top panel open place coil corner post between top panel and center post See Fig 13 Fig 12 Cle...

Page 10: ...iquid line with check a valve and a strainer Unit sizes A04 A D07 have a single compressor cir cuit unit sizes D08 D12 have two compressor circuits See Fig 15 for typical unit piping schematic unit si...

Page 11: ...e set and then pass it into the suction line as a vapor Do not remove Puron R 410A refrigerant from the cylinder as a vapor Refrigerant Charge The amount of refrigerant charge is listed on the unit s...

Page 12: ...opening the valve and increasing the flow of refrigerant The increased refrigerant flow causes increased leaving evaporator pressure which is transferred through the equalizer tube to the underside o...

Page 13: ...Valve TXV Operation Fig 18 Thermostatic Expansion Valve TXV with Bypass OUTLET INLET PUSHRODS DIAPHRAGM NEEDLE VALVE SPRING DISTRIBUTOR FEEDER TUBES CAPILLARY TUBE COIL BULB EXTERNAL EQUALIZER TUBE CH...

Page 14: ...of the charge Recheck the suction pressure as charge is adjusted EXAMPLE 50HCQD12 Outdoor Temperature 85 F 29 C Suction Pressure 140 psig 965 kPa Suction Temperature should be 55 F 13 C Refer to Fig 2...

Page 15: ...0 2100 2450 2800 3150 3500 3850 6 0 6 12 18 24 30 36 42 48 54 60 20 40 60 80 100 120 140 50 100 150 200 250 300 350 400 450 500 550 600 Temperature at Liquid Valve C F Compressor Discharge Pressure PS...

Page 16: ...ontains polyolester POE oil that can damage the roof membrane Caution should be tak en to prevent POE oil from spilling onto the roof surface The factory also recommends that the suction and discharge...

Page 17: ...ressures no less than 650 psig 4482 kPa Outdoor Fan Location 1 Shut off unit power supply Apply lockout tagout proce dures 2 Remove condenser fan assembly grille motor and fan 3 Loosen fan hub setscre...

Page 18: ...r indoor fan heating motor or capacitor Replace faulty part Restriction in refrigerant system Locate restriction and remove Defective loader plug Determine cause and replace Compressor Operates Contin...

Page 19: ...basis for service tools lamps etc it is not intended to provide 15A loading for continuous duty loads such as electric heaters for overnight use Observe a 50 limit on circuit load ing above 8A i e li...

Page 20: ...early marked on the board surface See Fig 33 The CTB contains no software and no logic But it does in clude seven configuration jumpers that are cut to configure the board to read external optional an...

Page 21: ...E when the static pressure in the unit duct system increases and to IN CREASE when the static pressure in the unit duct system decreas es and fan airflow rate increases Motor overload conditions typ i...

Page 22: ...e or start of the current Heating cycle during which no defrost will be permitted This period can be set at 30 60 90 or 120 minutes by changing the positions of DIP switches SW1 and SW2 see Fig 34 and...

Page 23: ...ed On restart in Heating the defrost control will re sume unit operation at the point in the run period where it was last operating Defrost Thermostats These are temperature switches that monitor the...

Page 24: ...the unit cabinet re approved heaters Unit heaters are marked with Heater Model Numbers Howev er heaters are ordered as and shipped in cartons marked with a corresponding heater Sales Package part numb...

Page 25: ...e shot limit switches are mounted on the base plate of each heater module See Fig 41 These are accessed through the indoor access pan el Remove the switch by removing two screws into the base plate an...

Page 26: ...stic cover The controller can be connected to one or two compatible duct smoke sensors The clear plastic cover is secured to the housing with a single captive screw for easy access to the wiring termi...

Page 27: ...s located to the left of the unit s indoor supply fan See Fig 49 Access is through the fan access panel There is no sampling tube used at this lo cation The sampling tube inlet extends through the sid...

Page 28: ...Detector 1 Unscrew the two screws holding the Return Air Sensor Detector plate See Fig 52 Save the screws Fig 52 Return Air Smoke Detector Module Shipping Position 2 Remove the Return Air Smoke Senso...

Page 29: ...upplying 24 v power to GRA conductor HIGHLIGHT E GRA lead at Smoke Alarm input on LCTB provides 24 v sig nal to FIOP DDC control PREMIERLINK This signal is conveyed to PremierLink FIOP s TB1 at termin...

Page 30: ...operation on both sensors must be configured to operate in the same manner CONFIGURE THE DIRTY SENSOR TEST OPERATION 1 Hold the test magnet where indicated on the side of the sensor housing until the...

Page 31: ...housing 4 Lift the housing away from the printed circuit board 5 Gently remove dirt and debris from around the optic plate and inside the optic housing 6 Replace the optic housing and sensor cover 7 C...

Page 32: ...s not differentiate which sensor signals an alarm or trouble condition Check each sensor for Alarm or Trouble status indicated by LED Clear the condition that has generated the trip at this sensor The...

Page 33: ...RTU OPEN CONTROL SYSTEM The RTU Open controller is an integrated component of the Carrier rooftop unit Its internal application programming pro vides optimum performance and energy efficiency RTU Ope...

Page 34: ...t up Guide for additional installation wiring and troubleshooting information for the RTU Open Controller Have a copy of these manuals available at unit start up WARNING Electrical shock can cause per...

Page 35: ...1 DO 2 W2 DO 1 G Gnd Input_3 X 24 VAC IN Board Power 24 VAC Input_8 Enthalpy AO 1 ECON Gnd OAT Gnd SAT Configurable Input_8 24 VAC Configurable Input_5 24 VAC Configurable Input_3 24 VAC Input_9 Humid...

Page 36: ...tential issues Refer to the following manual Controls Start up Operation and Troubleshooting Instruc tions Inspect the SAT sensor for relocation as intended during installation Inspect special wiring...

Page 37: ...t at a position below room temperature tempo rarily shuts unit off until space temperature falls below thermostat setting Ventilation Continuous Fan Set fan and system selector switches at ON and OFF...

Page 38: ...motor adjustment plate 120 12 in lbs 13 6 1 4 Nm Motor pulley setscrew 72 5 in lbs 8 1 0 6 Nm Fan pulley setscrew 72 5 in lbs 8 1 0 6 Nm Blower wheel hub setscrew 72 5 in lbs 8 1 0 6 Nm Bearing locki...

Page 39: ...0 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 Economize...

Page 40: ...89 747 489 652 Motor frame size 48 48 48 56 56 Fan Qty Type 1 Centrifugal 1 Centrifugal 1 Centrifugal 1 Centrifugal 1 Centrifugal Fan Dia x Length in 10 x 10 10 x 10 11 x 10 15 x 15 15 x 15 Medium Sta...

Page 41: ...Length in 15 x 15 15 x 15 18 x 18 Medium Static 3 Phase Motor Qty Driver Type 1 Belt 1 Belt 1 Belt Max BHP 1 7 2 9 2 9 RPM range 690 936 591 838 547 757 Motor frame size 56 56 56 Fan Qty Type 1 Centri...

Page 42: ...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 off...

Page 43: ...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 D 50HCQA04 3 Ton Vertical Unit Direct Drive Speed Torque Tap...

Page 44: ...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 F 50HCQA05 4 Ton Vertical Unit Direct Drive Speed Torque Tap CFM...

Page 45: ...0 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 H 50HCQA06 5 Ton Vertical Unit Direct Drive Speed...

Page 46: ...tatic Motor and Drive 1035 1466 RPM Max BHP 2 0 motor is 2 4 HP Table J 50HCQA04 3 Ton Vertical Supply CFM Available External Static Pressure in wg 0 2 0 4 0 6 0 8 1 0 1 2 1 4 1 6 1 8 2 0 RPM BHP RPM...

Page 47: ...lied motor HD58FE651 230v and 460v HD58FE576 575 volt fan pulley part no KR11AZ606 motor pulley part no KR11HY213 and belt KR29AF043 Table L 50HCQA05 4 Ton Vertical Supply CFM Available External Stati...

Page 48: ...7 1 81 1364 2 02 1427 2 24 1487 2 47 1543 2 70 Med 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 Table N 50HCQA06 5 Ton Vertical Supply CFM...

Page 49: ...2 motor 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 P 50HCQA D07 6 Ton Vertical Supply CFM Available External Static Pressu...

Page 50: ...BHP 1 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 R 50HCQD08 7 5 Ton Vertical Supply CFM Available External Static P...

Page 51: ...ax BHP 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 T 50HCQD09 8 5 Ton Vertical Supply CFM Available External Stati...

Page 52: ...507 Italics Field supplied drive motor pulley KR11HY186 blower pulley KR51BJ413 belt KR30BE072 use medium static motor rpm range 684 864 Voltage BHP 208 6 5 230 6 9 460 7 0 575 8 3 Table V 50HCQD12 10...

Page 53: ...37 1129 1294 1097 1251 1066 1208 07 3 phase Standard Static Medium Static High Static 747 949 1102 721 927 1083 695 906 1063 670 884 1044 644 863 1025 618 841 1006 592 819 986 566 798 967 541 776 948...

Page 54: ...ull 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 MED HIGH 78 87 69 7 4 5 2 5 2 230 3 60 187 253 13 1...

Page 55: ...60 3 60 414 506 9 7 62 325 0 8 STD MED HIGH 87 89 83 2 5 4 2 6 4 575 3 60 518 633 7 4 50 325 0 6 STD MED HIGH 72 77 81 1 6 2 8 5 6 Table AB 50HCQD07 2 Stage Cooling with Single Speed Indoor Fan Motor...

Page 56: ...HIGH 79 77 82 2 9 3 8 4 9 575 3 60 518 633 4 4 33 4 4 33 325 325 325 0 6 0 6 0 6 STD MED HIGH 81 80 84 2 8 3 5 4 5 Table AF 50HCQD09 2 Stage Cooling with Single Speed Indoor Fan Motor V Ph Hz VOLTAGE...

Page 57: ...80 80 89 5 3 4 4 2 7 6 575 3 60 518 633 5 8 39 5 7 39 280 0 7 STD MED HIGH 80 80 89 5 2 0 2 8 6 1 Table AI 50HCQD12 2 Stage Cooling with 2 Speed Indoor Fan Motor V Ph Hz VOLTAGE RANGE COMP 1 COMP 2 O...

Page 58: ...ne maximum deviation from average voltage AB 227 224 3 v BC 231 227 4 v AC 227 226 1 v Maximum deviation is 4 v Determine percent of voltage imbalance This amount of phase imbalance is satisfactory as...

Page 59: ...5 127 39 41 45 45 37 39 127 129 103B 6 5 8 7 18 1 20 9 42 45 45 50 40 43 129 132 44 47 45 50 42 45 131 134 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 105A 12 0 16 0 33...

Page 60: ...130 132 43 46 45 50 42 44 132 134 103B 6 5 8 7 18 1 20 9 47 50 50 50 45 48 134 137 49 52 50 60 48 50 136 139 104B 7 9 10 5 21 9 25 3 52 56 60 60 50 53 138 141 54 58 60 60 52 56 140 143 105A 12 0 16 0...

Page 61: ...140 103B 6 5 8 7 18 1 20 9 46 49 50 50 43 46 140 143 48 51 50 60 46 49 142 145 105A 12 0 16 0 33 4 38 5 65 71 70 80 61 67 155 161 67 73 70 80 63 69 157 163 104B 104B 15 8 21 0 43 8 50 5 78 86 80 90 73...

Page 62: ...5 103B 6 5 8 7 18 1 20 9 51 54 60 60 49 52 145 148 53 56 60 60 51 54 147 150 105A 12 0 16 0 33 4 38 5 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 83 91 90 100 79...

Page 63: ...218 224 74 80 80 80 70 76 220 226 104B 104B 15 8 21 0 43 8 50 5 85 93 90 100 80 88 273 286 87 95 90 100 82 90 275 288 104B 105A 19 9 26 5 55 2 63 8 99 110 100 110 93 103 295 313 101 112 110 125 95 10...

Page 64: ...23 229 79 85 80 90 76 81 225 231 104B 104B 15 8 21 0 43 8 50 5 90 98 90 100 85 93 278 291 92 100 100 100 88 95 280 293 104B 105A 19 9 26 5 55 2 63 8 104 115 110 125 99 108 300 318 106 116 110 125 101...

Page 65: ...30 45 44 60 60 46 45 234 264A 4 9 6 5 13 6 15 6 59 60 60 70 57 59 244 246 62 64 70 70 62 63 248 250 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 110A 12 0 16 0 33 4 38 5...

Page 66: ...5 50 49 60 60 52 50 239 264A 4 9 6 5 13 6 15 6 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 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...

Page 67: ...44 44 60 60 45 44 234 264A 4 9 6 5 13 6 15 6 58 59 60 60 56 58 244 246 61 63 70 70 61 62 248 250 117A 7 8 10 4 21 7 25 0 68 71 80 80 66 69 252 255 72 75 80 80 70 73 256 259 110A 12 0 16 0 33 4 38 5 8...

Page 68: ...49 48 60 60 51 50 239 264A 4 9 6 5 13 6 15 6 62 64 70 70 62 63 249 251 66 68 80 80 66 68 253 255 117A 7 8 10 4 21 7 25 0 73 76 80 80 71 74 257 260 76 80 80 80 76 78 261 264 110A 12 0 16 0 33 4 38 5 87...

Page 69: ...44 50 46 258 47 60 50 262 117A 7 8 10 4 21 7 25 0 71 75 80 80 71 75 280 283 74 79 80 80 75 79 284 287 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 111A 18 6 24 8 51...

Page 70: ...48 60 51 263 52 60 56 267 117A 7 8 10 4 21 7 25 0 75 80 80 80 76 80 285 288 79 83 80 90 81 84 289 292 110A 12 0 16 0 33 4 38 5 90 96 90 100 90 96 296 302 94 100 100 100 94 100 300 306 111A 18 6 24 8 5...

Page 71: ...60 53 292 55 60 58 296 117A 7 8 10 4 21 7 25 0 78 82 80 90 78 82 314 317 82 86 90 90 83 87 318 321 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 111A 18 6 24 8 51...

Page 72: ...60 59 297 60 70 63 301 117A 7 8 10 4 21 7 25 0 83 87 90 90 84 88 319 322 87 91 90 100 88 92 323 326 110A 12 0 16 0 33 4 38 5 98 104 100 110 97 103 330 336 101 108 110 110 102 108 334 340 111A 18 6 24...

Page 73: ...149 163 150 175 145 158 394 405 153 167 175 175 150 162 398 409 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 291A 294A 37 6 50 0 104 3 120 3 192 182...

Page 74: ...18 171 188 175 200 165 181 494 522 291A 294A 37 6 50 0 104 3 120 3 184 174 200 200 177 195 518 550 188 178 200 200 181 199 522 554 HIGH NONE 67 80 70 329 71 80 75 333 288A 7 5 10 0 20 9 24 1 93 97 100...

Page 75: ...5 9 39 40 38 113 43 45 43 117 296A 33 5 32 2 59 60 57 129 63 70 61 133 290A 296A 43 5 41 9 72 80 68 181 75 80 72 185 293A 296A 50 0 48 1 67 70 75 193 71 80 80 197 MED NONE 20 25 21 108 24 25 25 112 29...

Page 76: ...0 50 50 41 40 230 44 44 60 60 45 44 234 264A 4 9 6 5 13 6 15 6 58 59 60 60 56 58 244 246 61 63 70 70 61 62 248 250 117A 7 8 10 4 21 7 25 0 68 71 80 80 66 69 252 255 72 75 80 80 70 73 256 259 110A 12 0...

Page 77: ...60 60 46 45 235 49 48 60 60 51 50 239 264A 4 9 6 5 13 6 15 6 62 64 70 70 62 63 249 251 66 68 80 80 66 68 253 255 117A 7 8 10 4 21 7 25 0 73 76 80 80 71 74 257 260 76 80 80 80 76 78 261 264 110A 12 0...

Page 78: ...4 43 50 50 46 45 249 48 47 60 50 50 49 253 117A 7 8 10 4 21 7 25 0 71 74 80 80 71 74 271 274 75 78 80 80 75 78 275 278 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 11...

Page 79: ...9 48 60 60 52 50 254 52 51 60 60 56 55 258 117A 7 8 10 4 21 7 25 0 76 79 80 80 76 79 276 279 79 83 80 90 81 83 280 283 110A 12 0 16 0 33 4 38 5 90 96 90 100 90 95 287 293 94 99 100 100 94 99 291 297 1...

Page 80: ...50 60 60 54 53 283 55 54 60 60 58 57 287 117A 7 8 10 4 21 7 25 0 78 81 80 90 79 81 305 308 82 85 90 90 83 86 309 312 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...

Page 81: ...55 60 60 59 58 288 60 59 70 70 64 62 292 117A 7 8 10 4 21 7 25 0 83 86 90 90 84 87 310 313 87 90 90 90 89 91 314 317 110A 12 0 16 0 33 4 38 5 98 103 100 110 98 102 321 327 102 107 110 110 102 107 325...

Page 82: ...9 9 80 6 149 163 150 175 145 158 394 405 153 167 175 175 150 162 398 409 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 291A 294A 37 6 50 0 104 3 120 3...

Page 83: ...69 9 80 6 154 168 175 175 151 163 399 410 158 171 175 175 155 167 403 414 288A 294A 32 7 43 5 90 7 104 7 180 198 200 200 175 191 510 538 184 201 200 225 179 195 514 542 291A 294A 37 6 50 0 104 3 120...

Page 84: ...230 3 60 460 3 60 575 3 60 48TM502975 G 48TM502975 G 48TM502975 G 48TM502976 G 87 87 87 88 48TM501435 I 48TM501436 I 48TM501515 K 48TM501516 K 93 94 95 96 A07 208 230 3 60 460 3 60 575 3 60 48TM50282...

Page 85: ...85 APPENDIX E WIRING DIAGRAMS cont Fig B 50HCQA04 A05 Control Wiring Diagram 208 230 1 60 208 230 3 60 460 3 60...

Page 86: ...86 APPENDIX E WIRING DIAGRAMS cont Fig C 50HCQA04 A05 Control Wiring Diagram 575 3 60...

Page 87: ...87 APPENDIX E WIRING DIAGRAMS cont Fig D 50HCQ 06 Control Wiring Diagram 208 230 1 60 208 230 3 60 460 3 60...

Page 88: ...88 APPENDIX E WIRING DIAGRAMS cont Fig E 50HCQ 06 Control Wiring Diagram 575 3 60...

Page 89: ...89 APPENDIX E WIRING DIAGRAMS cont Fig F 50HCQA07 Control Wiring Diagram 208 230 1 60 208 230 3 60 460 3 60 575 3 60...

Page 90: ...90 APPENDIX E WIRING DIAGRAMS cont Fig G 50HCQD07 Heat Pump Control Wiring Diagram 208 230 460 575 Tier 2 1 Compressor...

Page 91: ...91 APPENDIX E WIRING DIAGRAMS cont Fig H 50HCQ 08 09 Control Wiring Diagram 208 230 1 60 208 230 3 60 460 3 60 575 3 60...

Page 92: ...92 APPENDIX E WIRING DIAGRAMS cont Fig I 50HCQ 12 Control Wiring Diagram 208 230 1 60 208 230 3 60 460 3 60 575 3 60...

Page 93: ...93 APPENDIX E WIRING DIAGRAMS cont Fig J 50HCQ 04 05 06 Power Wiring Diagram 208 230 1 60...

Page 94: ...94 APPENDIX E WIRING DIAGRAMS cont Fig K 50HCQ 04 05 06 Power Wiring Diagram 208 230 3 60...

Page 95: ...95 APPENDIX E WIRING DIAGRAMS cont Fig L 50HCQ 04 05 06 Power Wiring Diagram 460 3 60...

Page 96: ...96 APPENDIX E WIRING DIAGRAMS cont Fig M 50HCQ 04 05 06 Power Wiring Diagram 575 3 60...

Page 97: ...97 APPENDIX E WIRING DIAGRAMS cont Fig N 50HCQA07 Power Wiring Diagram 208 230 3 60 460 3 60 575 3 60...

Page 98: ...98 APPENDIX E WIRING DIAGRAMS cont Fig O 50HCQD07 Power Wiring Diagram 208 230 3 60 460 3 60 575 3 60...

Page 99: ...99 APPENDIX E WIRING DIAGRAMS cont Fig P 50HCQ 08 09 Power Wiring Diagram 208 230 3 60 460 3 60 575 3 60...

Page 100: ...100 APPENDIX E WIRING DIAGRAMS cont Fig Q 50HCQ 12 Power Wiring Diagram 208 230 3 60...

Page 101: ...101 APPENDIX E WIRING DIAGRAMS cont Fig R 50HCQ 12 Power Wiring Diagram 460 3 60 575 3 60...

Page 102: ...102 APPENDIX E WIRING DIAGRAMS cont Fig S 50HCQ PremierLink Control Diagram...

Page 103: ...103 APPENDIX E WIRING DIAGRAMS cont Fig T 50HCQ RTU Open Control Diagram...

Page 104: ...104 APPENDIX F MOTORMASTER SENSOR LOCATIONS Fig U 50HCQA04 Outdoor Circuiting Fig V 50HCQA05 A06 Outdoor Circuiting Fig W 50HCQA07 and 50HCQD07 Outdoor Circuiting SENSOR LOCATION Sensor Location...

Page 105: ...ENSOR LOCATIONS cont Fig X 50HCQD08 D09 Outdoor Circuiting Fig Y 50HCQD12 Outdoor Circuiting Sensor Location Locate sensor on feeder tube as shown on coil whose headers are closest to the compressor a...

Page 106: ...continue or change at any time specifications or designs without notice and without incurring obligations Catalog No 04 53500234 01 Printed in U S A Form 50HCQ 4 12 02SM Rev A Pg 106 10 19 Replaces 50...

Page 107: ...UCHING REFRIGERANT TUBING OR SHARP EDGES CHECK THAT RETURN AIR FILTER IS CLEAN AND IN PLACE VERIFY THAT UNIT INSTALLATION IS LEVEL CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING ORIFICE AND VER...

Page 108: ...ny time specifications or designs without notice and without incurring obligations Catalog No 04 53500234 01 Printed in U S A Form 50HCQ 4 12 02SM Rev A Pg CL 2 10 19 Replaces 50HCQ 4 12 01SM 2019 Car...

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