Pioneer MUH-GA20VB User's Manual

Pioneer Air Conditioners User's Manual - MUH-GA20VB.
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SERVICE MANUAL

CONTENTS

1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················6
3. SPECIFICATION·················································6
4. NOISE CRITERIA CURVES ·······························7
5. OUTLINES AND DIMENSIONS ·························8
6. WIRING DIAGRAM ············································9
7. REFRIGERANT SYSTEM DIAGRAM ··············10
8. PERFORMANCE CURVES ······························11
9. SERVICE FUNCTIONS ····································22

10. TROUBLESHOOTING······································22
11. DISASSEMBLY INSTRUCTIONS ·····················29
12. PARTS LIST······················································32

Wireless type
Models
MUH-GA20VB  -
MUH-GA25VB  -
MUH-GA35VB  - E1

E1

E1

No. OB387

HFC

utilized

R410A

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

MUH-GA20VB  -

MUH-GA25VB  -
MUH-GA35VB  - E1

E1

E1

Indication of 
model name

NOTE:
•This manual describes technical data of outdoor units.
•As for indoor units MSC-GA20/GA25/GA35VB -

, refer to the service manual OB385.

•As for indoor units MSC-CA20/CA25/CA35VB -

, refer to the service manual OB393.

E1

E1

OB387-1.qxp  05.2.21 10:03 AM  Page 1

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