Mitsubishi Electric PSA-M71KA-ER User Manual

SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS
[Service Ref.]
PSA-M71KA
PSA-M100KA
PSA-M125KA
PSA-M140KA
PSA-M71KA-ER
PSA-M100KA-ER
PSA-M125KA-ER
PSA-M140KA-ER
PSA-M71KA-ET
PSA-M100KA-ET
PSA-M125KA-ET
PSA-M140KA-ET
September 2021
R32/R410A
Notes:
• This manual describes only
service data of the indoor
units.
PARTS CATALOG (OCB724)
Model name
indication
No. OCH724
CONTENTS
1. REFERENCE MANUAL ·······················2
2. SAFETY PRECAUTION ·······················2
3. PARTS NAMES AND FUNCTIONS ········9
4. SPECIFICATIONS ···························· 10
5. NOISE CRITERION CURVES ············· 12
6. OUTLINES AND DIMENSIONS ··········· 13
7. WIRING DIAGRAM ··························· 14
8. REFRIGERANT SYSTEM DIAGRAM ··· 15
9. TROUBLESHOOTING ······················· 16
10. SPECIAL FUNCTION ························ 27
11. DISASSEMBLY PROCEDURE ············ 29
12. REMOTE CONTROLLER ··················· 34
Indoor unit
[Model Name]
PSA-M71KA
PSA-M100KA
PSA-M125KA
PSA-M140KA
PSA-M71KA-ER
PSA-M100KA-ER
PSA-M125KA-ER
PSA-M140KA-ER
PSA-M71KA-ET
PSA-M100KA-ET
PSA-M125KA-ET
PSA-M140KA-ET

Mitsubishi Electric PSA-M71KA-ER Specifications

General

Brand	Mitsubishi Electric
Model	PSA-M71KA-ER
Category	Air Conditioner
Language	English

Summary

Reference Manual

Outdoor Unit's Service Manual

Safety Precaution

General Safety Guidelines

Covers symbols, general safety, refrigerant cautions, and warnings.

Specifications

Wiring Diagram

Refrigerant System Diagram

Troubleshooting

Troubleshooting Process

Outlines general troubleshooting, remote diagnosis, and error codes.

Self-Diagnosis Procedures

Details action tables, inferior phenomena, and part checking methods.

Remote Controller Operations

Error Handling and Diagnostics

Covers error information, history, self-diagnosis, and controller checks.

Service and Function Settings