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Westinghouse WHM36SZA21S - User Manual

Westinghouse WHM36SZA21S
73 pages
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AIR CONDITIONER
Duct type
REFRIGERANT R410A
INVERTER
SERVICE MANUAL
INDOOR
WHM24DMA21S
WHM36DMA21S
WHM48DMA21S
WHM60DMA21S
OUTDOOR
WHM24SZA21S WHM36SZA21S WHM48SZA21S
WHM60SZA21S
, 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.
2021.12.14

Other manuals for Westinghouse WHM36SZA21S

Questions and Answers

  • J
    John HarrellAug 9, 2025
    What to do if my Westinghouse Air Conditioner can not start up?
    • A
      Anthony GallagherAug 10, 2025
      If your Westinghouse Air Conditioner won't start, begin by checking the power supply circuit. Look for any tripped breakers or blown fuses. Measure the insulation resistance to ground to check for leakage. Inspect the power supply circuit for defective contacts or leak current. Ensure the remote controller is properly set and, if needed, change the batteries.
  • H
    Hannah MartinezAug 15, 2025
    Why is my Westinghouse Air Conditioner not cooling/heating well?
    • J
      Jason MendozaAug 16, 2025
      If your Westinghouse Air Conditioner isn't cooling or heating properly, several factors could be responsible. First, try cleaning the heat exchanger of the outdoor unit, such as the condenser. Also, ensure there are no heating devices operating indoors. Maintaining good air tightness indoors can help, so limit frequent opening and closing of doors and windows. Check for any obstructions blocking the outdoor heat exchanger, and remove them. Finally, double-check the temperature settings to ensure they are correctly configured.
  • M
    Mrs. Tracey CannonAug 21, 2025
    How to fix water leakage from my Westinghouse WHM36SZA21S?
    • X
      xchambersAug 21, 2025
      If your Westinghouse Air Conditioner is leaking water, it could be due to a blocked or broken drainage pipe. In this case, change the drainage pipe. Another potential cause is that the wrap of the refrigerant pipe joint is not completely closed. To fix this, re-wrap the joint tightly.
  • V
    Valerie WellsAug 28, 2025
    Why does the compressor in my Westinghouse WHM36SZA21S start and stop frequently?
    • M
      Mr. David DiazAug 28, 2025
      If the compressor in your Westinghouse Air Conditioner starts and stops frequently, the air inlet and outlet might be blocked. Remove any obstacles to resolve this issue.
  • B
    brucebethSep 2, 2025
    What to do if my Westinghouse WHM36SZA21S makes sounds from deforming parts?
    • M
      Mckenzie DukeSep 2, 2025
      The sound from deforming parts in your Westinghouse Air Conditioner is not abnormal, and the sound will disappear soon.

Summary

Service Manual Overview

Safety Summary

General Safety Precautions

Provides definitions for hazard signal words and general safety precautions for safe operation.

Specifications

Installation Space Requirements

Outdoor Unit Installation Space

Refrigerant Circuit Diagrams

Piping and Refrigerant Charging

Air Tight Test Procedure

Details the procedure for conducting an air-tight test using nitrogen gas and leak detection methods.

Additional Refrigerant Charge

Provides guidelines for calculating and adding extra refrigerant based on pipe length and model capacity.

Component Checking and Testing

Refrigerant System Test Flow (Cooling Mode)

Outlines diagnostic steps for checking the refrigerant system in cooling mode.

Refrigerant System Test Flow (Heating Mode)

Details diagnostic steps for checking the refrigerant system in heating mode.

Outdoor Unit DIP Switch Settings

Running Parameter Query

Wiring Diagrams

Troubleshooting Guide

Common Malfunction Solutions

Provides solutions for common malfunctions such as unit not starting or poor cooling/heating.

Fault Code Display

Outdoor Unit Fault Codes

Drive Fault Codes (24 K;36 K)

Drive Fault Codes (48 K;60 K)

Westinghouse WHM36SZA21S Specifications

General IconGeneral
TypeMini-Split
RefrigerantR410A
Cooling Capacity36000 BTU/h
Voltage208/230V
Noise LevelOutdoor: 58 dB

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