Mitsubishi MSH-18RV Service Manual

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

SERVICE MANUAL

Wireless type
Models
MSH-18RV -
MSH-24RV -
MSH-30RV -
MSH-18RV -
E1
MSH-24RV -
E1
•Refer to the Service Manual OB185 REVISED EDITION C when MSH-18RV-
with MXZ-32NV- or MXZ-32NV-
E1
•Refer to the Service Manual OB227 REVISED EDITION-B when MSH-18RV-
with MXZ-32RV- as multi system units.
E1
•Refer to the Service Manual OB254 when MSH-18RV-
multi system units.
· MUH-18RV -
( WH )
E1
· MUH-18RV -
· MUH-24RV -
( WH )
E1
· MUH-30RV -
( WH )
E1
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················2
3. SPECIFICATION·················································6
4. NOISE CRITERIA CURVES ·······························8
5. OUTLINES AND DIMENSIONS ······················ 10
6. WIRING DIAGRAM ··········································13
7. REFRIGERANT SYSTEM DIAGRAM ··············17
8. PERFORMANCE CURVES ······························20
9. MICROPROCESSOR CONTROL ····················36
10. SERVICE FUNCTIONS·····································50
11. TROUBLESHOOTING ······································52
12. DISASSEMBLY INSTRUCTIONS·····················71
13. PARTS LIST······················································79
14. OPTIONAL PARTS···········································88
as multi system units.
E2
is connected with MXZ-32SV-
E1
Revision:
MUH-18RV- has been added.
E2
MUH-18RV- MUH-18RV-
E1
•Path of outdoor heat exchanger has changed.
is connected
E1
is connected
E1
E2
No. OB272
REVISED EDITION-A
E1
E2
E1
E1
as
E1