Mitsubishi Electric PUZ-SWM120YAA User Manual

80 pages

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SERVICE MANUAL

No. OCH809

REVISED EDITION-A

R32

December 2023

PARTS CATALOG (OCB809)

CONTENTS

1. REFERENCE MANUAL ································ 2

2. SAFETY PRECAUTION ······························· 3

3. SPECIFICATIONS ······································ 11

4. DATA ··························································· 13

5. OUTLINES AND DIMENSIONS·················· 16

6. WIRING DIAGRAM ····································· 17

7. WIRING SPECIFICATIONS ························ 21

8. REFRIGERANT SYSTEM DIAGRAM ········ 22

9. TROUBLESHOOTING ································ 24

10. MONITORING THE OPERATION DATA

BY THE REMOTE CONTROLLER ············· 68

11. DISASSEMBLY PROCEDURE ··················· 73

Note:

• This manual describes

service data of the outdoor

units only.

AIR TO WATER HEAT PUMP UNITS

OUTDOOR UNIT

[Model Name]

PUZ-SWM60VAA

PUZ-SWM80VAA

PUZ-SWM100VAA

PUZ-SWM120VAA

PUZ-SWM140VAA

PUZ-SWM80YAA

PUZ-SWM100YAA

PUZ-SWM120YAA

PUZ-SWM140YAA

PUZ-SHWM60VAA

PUZ-SHWM80VAA

PUZ-SHWM100VAA

PUZ-SHWM120VAA

PUZ-SHWM140VAA

PUZ-SHWM80YAA

PUZ-SHWM100YAA

PUZ-SHWM120YAA

PUZ-SHWM140YAA

[Service Ref.]

PUZ-SWM60VAA.TR

PUZ-SWM80VAA.TR

PUZ-SWM100VAA.TR

PUZ-SWM120VAA.TR

PUZ-SWM140VAA.TR

PUZ-SWM80YAA.TR

PUZ-SWM100YAA.TR

PUZ-SWM120YAA.TR

PUZ-SWM140YAA.TR

PUZ-SHWM60VAA.TR

PUZ-SHWM80VAA.TR

PUZ-SHWM100VAA.TR

PUZ-SHWM120VAA.TR

PUZ-SHWM140VAA.TR

PUZ-SHWM80YAA.TR

PUZ-SHWM100YAA.TR

PUZ-SHWM120YAA.TR

PUZ-SHWM140YAA.TR

Revision:

• Added connectable indoor

units in REVISED

EDITION-A.

OCH809 is void.

Questions and Answers:

M
Margaret HernandezAug 4, 2025
What to do if the Mitsubishi Electric Heat Pump trouble is not reoccurring and check code is logged?
- B
  Bradley FranklinAug 4, 2025
  If the trouble with your Mitsubishi Electric Heat Pump is not reoccurring but a check code is logged, consider temporary issues like protection device activity in the refrigerant circuit, wiring problems, or electrical noise. To address this, re-examine the issue, inspect the installation environment, refrigerant level, weather conditions when the problem occurred, and wiring. After servicing, clear the check code logs and restart the unit.