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Westinghouse WHS36WMA21S User Manual

Westinghouse WHS36WMA21S
57 pages
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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
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Westinghouse WHS36WMA21S Specifications

General IconGeneral
BrandWestinghouse
ModelWHS36WMA21S
CategoryAir Conditioner
LanguageEnglish

Summary

Safety and Installation Guidelines

General Safety Precautions

Essential guidelines for safe installation and operation, including warnings and cautions.

Wiring Safety

Crucial safety instructions for electrical wiring, emphasizing qualified personnel.

Installation Procedures

Installation Environment Considerations

Specific advice for installing units in various environments like high winds or snowy areas.

Refrigerant Tubing Connection

Procedures for connecting refrigerant tubing to ensure a leak-free installation.

Servicing Safety Precautions

Safety measures to take before performing maintenance or repairs on the unit.

Specifications

Unit Dimensions

Indoor Unit Dimensions

Detailed measurements and diagrams for various indoor unit models.

Outdoor Unit Dimensions

Detailed measurements and diagrams for various outdoor unit models.

Installation Space Requirements

Indoor Unit Installation Site Selection

Recommendations for selecting the optimal location for indoor unit installation.

Outdoor Unit Installation Site Selection

Guidelines for choosing a suitable location for the outdoor unit installation.

Refrigerant Circuit Diagram

Air Purging and Leakage Test

Test Running Procedures

Post-Installation Checks

Checklist of items to verify after installation to ensure proper function.

Initial Operation Test

Procedures for performing the first operational test of the unit.

Wiring Diagrams

Indoor Unit Wiring

Electrical schematics for WMA21S and WMA11S indoor units.

Outdoor Unit Wiring

Electrical schematics for SZA21S and SZA11S outdoor units.

Troubleshooting Guide

Error Code Analysis

Guide to understanding error codes displayed by the outdoor unit for fault diagnosis.

Protection Fault Diagnosis

Voltage Protection Diagnostics

Details on AC input over/under-voltage protection conditions and actions.

Current Protection Diagnostics

Explains over-current protection, frequency adjustments, and related actions.

Frequency Control Issues

Describes frequency reduction due to over-current, compressor exhaust, and outdoor coil overload.

Component Troubleshooting

Compressor Troubleshooting

Steps for diagnosing issues with the compressor, including terminal checks and coil resistance.

Electric Filter Board Diagnosis

Visual and voltage checks for the electric filter board to identify connection issues.

Communication System Diagnosis

Steps to diagnose electrical communication problems between indoor and outdoor units.

Parts Breakdown

Indoor Unit Parts

Illustrated list of components for various indoor unit models.

Outdoor Unit Parts

Illustrated list of components for various outdoor unit models.

Included Accessories

Indoor Unit Accessories

List of included accessories for the indoor unit, such as remote controls and instructions.

Outdoor Unit Accessories

List of accessories provided for the outdoor unit, including mounting hardware.

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