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Carrier 42HQG024 User Manual

Carrier 42HQG024
89 pages
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INDOOR UNIT
42HWG007/009/012/018/024
42HQG007/009/012/018/024
HWG195C/225C/305C/455C/605C
HWG195H/225H/305H/455H/605H
SPLIT SYSTEM AIR CONDITIONER
42HWG-Series, 42HQG-Series, HWG
...
H-Series, HWG
...
C-Series
O
N/O
FF
T
EM
P
SLE
E
P
TECHNICAL DATA & SERVICE MANUAL
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Carrier 42HQG024 Specifications

General IconGeneral
RefrigerantR410A
Voltage208/230 V
Phase1
Compressor TypeRotary
TypeSplit
Cooling Capacity24000 BTU/h
Heating Capacity24000 BTU/h
Energy Efficiency Ratio (EER)11.0
Power Supply60 Hz
Outdoor Unit Weight99 lbs

Summary

1 SPECIFICATIONS

3 OPERATION

1) SYSTEM DIAGRAM

Diagram illustrating the components and airflow of the split system.

3) NAMES AND FUNCTIONS OF REMOTE CONTROLLER

Explanation of buttons and their functions on the remote controller.

4) REMOTE CONTROLLER DISPLAY

Visual guide to the remote control's LCD screen and its indicators.

5 DESCRIPTION OF FUNCTIONS

(1) Timer Mode

Explanation of the various timer functions (OFF, ON, combination, sleep).

(3) Dry Mode

Operation and determination logic for the dry mode.

(4) Automatic Operation

How the unit automatically selects cooling or heating based on room temperature.

6 Unit Protection Devices

3 min. Time Delay and 3 min. minimum operation time of compressor

Time delay mechanisms protecting the compressor and unit operations.

4 WIRING DIAGRAM

1) 42HWG007/009/012 & HWG195/225/305C-SERIES INDOOR UNIT

Wiring diagram for specific indoor unit models.

2) 42HQG007/009/012 & HWG195/225/305H-SERIES INDOOR UNIT

Wiring diagram for specific heat pump indoor unit models.

7 ELECTRIC CIRCUIT DIAGRAM

1) FUNCTIONAL CIRCUIT DIAGRAM

Functional overview of the electrical system and component interactions.

2) PCB CIRCUIT DIAGRAM

Detailed schematic of the main control printed circuit board.

9 CHECKING AND REPAIRING OF ELECTRIC PARTS

1) Measuring insulation resistance of indoor fan motor

Procedure for checking fan motor insulation resistance.

2) Checking the winding of compressor motor

Method for checking compressor motor windings and overload protector.

10 TROUBLE SHOOTING

11 DISASSEMBLY INSTRUCTIONS

• INDOOR UNIT

Step-by-step guide for disassembling the indoor unit.

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