Mitsubishi Electric CITY MULTI PUMY-P200YKM3-ER User Manual

SERVICE MANUAL
June 2022
OCH791
1. SERVICE REF. ···································2
2. SAFETY PRECAUTION ·······················3
3. OVERVIEW OF UNITS ························7
4. SPECIFICATIONS ···························· 11
5. DATA ·············································· 12
6. OUTLINES AND DIMENSIONS ··········· 20
7. WIRING DIAGRAM ··························· 21
8. TROUBLESHOOTING ······················· 22
9. DISASSEMBLY PROCEDURE ············ 97
10. SYSTEM CONSTRUCTION ···············104
11. ELECTRICAL WIRING ·····················106
12. REFRIGERANT PIPING TASKS ·········107
13. REMOTE CONTROLLER ··················108
HFC
utilized
R410A
Appendix: Installation manual (Exerpt of English Ver.)
Model
name
indication
PARTS CATALOG (OCB791)
<Outdoor unit>
Model name
PUMY-P200YKM3
PUMY-P200YKM3-ER
PUMY-P200YKM3-ET
Salt proof model
PUMY-P200YKM3-BS
PUMY-P200YKM3-ERBS
PUMY-P200YKM3-ETBS

Mitsubishi Electric CITY MULTI PUMY-P200YKM3-ER Specifications

General

Brand	Mitsubishi Electric
Model	CITY MULTI PUMY-P200YKM3-ER
Category	Air Conditioner
Language	English

Summary

SAFETY PRECAUTION

Cautions for R410A Refrigerant and Piping

Covers refrigerant handling, safety, and piping work for R410A, including preparation and tools.

TROUBLESHOOTING

Test Run Procedures and Self-Diagnosis

Outlines test run preparation, procedures, and self-diagnosis functions for the outdoor unit.

Error Code Countermeasures

Provides countermeasures for various error codes encountered during operation, including specific fault diagnoses.

Specific Error Code Diagnosis

REFRIGERANT PIPING TASKS

Refrigerant Leakage Precautions and R410A Concentration

REMOTE CONTROLLER

Service Menu, Test Run, and Function Settings

Error History, Self-Diagnosis, and Controller Check

Details viewing error history, performing self-diagnosis, and checking the remote controller.