Table of Contents
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SPLIT-TYPE, AIR CONDITIONERS
SERVICE MANUAL
Wireless type
Models
MU-GA20VB -
MU-GA25VB -
MU-GA35VB -
NOTE:
•This service manual describes technical data of outdoor units.
•As for indoor units MSC-GA20VB -
refer to the service manual OB385.
•As for indoor units MSC-CA20VB -
refer to the service manual OB393.
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CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················5
3. SPECIFICATION·················································5
4. NOISE CRITERIA CURVES ·······························6
Indication of
5. OUTLINES AND DIMENSIONS ·························7
model name
6. WIRING DIAGRAM ············································7
MU-GA20VB -
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7. REFRIGERANT SYSTEM DIAGRAM ················8
MU-GA25VB -
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8. PERFORMANCE CURVES ································9
MU-GA35VB -
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9. TROUBLESHOOTING······································18
10. DISASSEMBLY INSTRUCTIONS·····················21
11. PARTS LIST······················································24
, MSC-GA25VB -
and MSC-GA35VB -
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, MSC-CA25VB -
and MSC-CA35VB -
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HFC
utilized
R410A
,
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,
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No. OB386
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