Westinghouse WHS09SZA21S 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

Westinghouse WHS09SZA21S Specifications

General

Cooling Capacity	9, 000 BTU
Dehumidification	Yes
Fan Speeds	3
Window Installation Kit	Yes
Power Supply/Operating Voltage	115V
Operating Frequency	60Hz
Noise Level (High)	54 dB
Type	Window

Summary

Safety and Pre-Installation Guidance

Important Safety Notices and Warnings

Covers general notices, safety symbols, and installation prerequisites.

Installation and Servicing Precautions

Installation Guidelines and Advice

Details precautions for installation, tubing, and servicing units.

Indoor Unit Specifications: WMA Series

Outdoor Unit Specifications: SZA Series

Performance and Electrical Data

Provides detailed electrical and performance specs for SZA outdoor units.

Indoor Unit Dimensions: WMA Series

Outdoor Unit Dimensions: SZA Series

Physical Measurements

Installation Space Requirements

Clearance Guidelines

Refrigerant Circuit Diagram

System Flow and Components

Service Procedures

Air Purging and Leakage Test

WMA Series Wiring Diagrams

Indoor and Outdoor Unit Connections

SZA Series Wiring Diagrams

Control and Component Connections

Troubleshooting: Outdoor Unit Errors

Error Code Indicators (LEDs)

Explains error codes indicated by LEDs on the outdoor unit.

Troubleshooting: Indoor Unit Errors

Error Display Codes

Lists error codes shown on the indoor unit's display.

Trouble Diagnosis and Protection

Protection Mechanism Diagnosis

Operational Fault Diagnosis