SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················5
3. SPECIFICATION·················································5
4. NOISE CRITERIA CURVES·······························7
5. OUTLINES AND DIMENSIONS ·························8
6. WIRING DIAGRAM ············································9
7. REFRIGERANT SYSTEM DIAGRAM ··············11
8. PERFORMANCE CURVES······························13
9. ACTUATOR CONTROL····································21
10. SERVICE FUNCTIONS·····································22
11. TROUBLESHOOTING······································22
12. DISASSEMBLY INSTRUCTIONS·····················39
13. PARTS LIST······················································42
Wireless type
Models
No. OB372
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
MUZ-FA25VA -
MUZ-FA35VA -
MUZ-FA25VAH -
MUZ-FA35VAH -
E1
E1
E1
E1
MUZ-FA25VA -
MUZ-FA35VA -
MUZ-FA25VAH -
MUZ-FA35VAH -
E1
E1
E1
E1
Indication of
model name
NOTE:
This service manual describes technical data of the outdoor units.
•As for indoor units MSZ-FA25VA- and MSZ-FA35VA- , refer to the service manual OB371.
E1E1
OB372--1qxp 05.1.17 15:28 Page 1