Westinghouse WHS09WMA11S - User Manual

REFRIGERANT R410A
INVERTER
AIR CONDITIONER
Wall mounted type
SERVICE MANUAL
INDOOR
WHS09WMA21S
WHS09WMA11S
WHS12WMA21S
WHS12WMA11S
WHS18WMA21S
WHS24WMA21S WHS30WMA21S
WHS36WMA21S
OUTDOOR
WHS09SZA21S
WHS09SZA11S
WHS12SZA21S
WHS12SZA11S
WHS18SZA21S WHS24SZA21S
WHS30SZA21S
WHS36SZA21S
, WESTINGHOUSE, and INNOVATION YOU CAN BE SURE OF are trademarks of Westing house
Electric Corporation. Used under license by FUJITSU GENERAL AMERICA, INC. All Rights Reserved.
2021.02.09

Summary

Safety and Precautions

Please Read Before Starting

Essential guidelines for safe and efficient system installation and operation.

Special Precautions

Specific warnings and advice for wiring, transporting, installation, and servicing.

Unit Dimensions

Installation Space Requirement

Installation Space and Site Selection

Space Requirement

Air Purging and Leakage Test

Test Running and Operation

Check after Installation

A checklist of items to verify before starting the air conditioning unit.

Operation Test

Procedures for testing the unit's cooling, heating, and fan functions after installation.

Troubleshooting

Error Code Table

A table listing error codes displayed on the outdoor unit and their potential root causes.

Trouble Diagnosis

Protection Diagnosis

Analysis of protection mechanisms like over-voltage, under-voltage, and over-current.

Voltage Protection

Conditions and actions related to AC input over-voltage and under-voltage protection.

Current Protection

Component Diagnosis

Compressor Diagnosis

Electric Communication Diagnosis

Westinghouse WHS09WMA11S Specifications