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Carrier HWG305C - User Manual

Carrier HWG305C
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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 HWG305C Specifications

General IconGeneral
BrandCarrier
ModelHWG305C
CategoryAir Conditioner
LanguageEnglish

Summary

Specifications

Description of Functions

Unit Protection Devices

Covers protection devices, frost prevention, and high-temperature protection mechanisms.

Self-Diagnostic Function

Details how the system diagnoses faults and displays error codes via LED flashing.

Wiring Diagram

Indoor Unit Wiring for 42 HWG;HWG195;225;305 C Series

Provides the electrical wiring schematic for specific indoor unit models.

Indoor Unit Wiring for 42 HQG;HWG195;225;305 H Series

Provides the electrical wiring schematic for specific indoor unit models.

Indoor Unit Wiring for 42 HWG;HWG455;605 C Series

Provides the electrical wiring schematic for specific indoor unit models.

Indoor Unit Wiring for 42 HQG;HWG455;605 H Series

Provides the electrical wiring schematic for specific indoor unit models.

Refrigerant Cycle

Refrigerant Cycle for 42 HWG;HWG195;225;305;455;605 C Models

Diagram illustrating the refrigerant flow path for cooling-only models.

Refrigerant Cycle for 42 HQG;HWG195;225;305;455;605 H Models

Diagram showing refrigerant flow for heat pump models, including reversing valve.

Control Block Diagram

Control Block for 42 HWG;HWG195;225;305;455;605 C Models

Shows the internal control logic and signal flow for cooling-only units.

Control Block for 42 HQG;HWG195;225;305;455;605 H Models

Illustrates the control logic and signal flow for heat pump models.

Electric Circuit Diagram

Functional Circuit Diagram for Cooling-Only Models

Shows the functional electrical connections and components for cooling-only units.

Functional Circuit Diagram for Heat Pump Models (HQG;HWG-H)

Illustrates electrical connections and components for heat pump models.

Functional Circuit Diagram for Larger Cooling-Only Models

Shows electrical circuits for higher capacity cooling-only units.

Functional Circuit Diagram for Larger Heat Pump Models

Illustrates electrical circuits for higher capacity heat pump models.

PCB Circuit Diagram

Main Control Part PCB Diagram

Details the PCB layout and component connections for the main control board.

Checking and Repairing of Electric Parts

Troubleshooting

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