Mitsumi electronic PLA-A12AA User Manual
SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS
No. OC370
REVISED EDITION-B
CONTENTS
1. TECHNICAL CHANGES ··································2
2. REFERENCE MANUAL ······································2
3. SAFETY PRECAUTION···································3
4. PART NAMES AND FUNCTIONS ···················5
5. SPECIFICATIONS ············································8
6. NOISE CRITERION CURVES ························10
7. OUTLINES AND DIMENSIONS ·····················11
8. WIRING DIAGRAM············································12
9. REFRIGERANT SYSTEM DIAGRAM ··················13
10. TROUBLESHOOTING ···································14
11. DISASSEMBLY PROCEDURE·······················30
12. PARTS LIST ···················································33
13. RoHS PARTS LIST ········································38
Indoor unit
[Model names]
[Service Ref.]
PLA-A12AA
PLA-A12AA PLA-A12AA
1
PLA-A18AA
PLA-A18AA PLA-A18AA
1
PLA-A24AA
PLA-A24AA PLA-A24AA
1
PLA-A30AA
PLA-A30AA PLA-A30AA
1
PLA-A36AA
PLA-A36AA PLA-A36AA
1
PLA-A42AA
PLA-A42AA PLA-A42AA
1
June 2007
INDOOR UNIT
WIRED REMOTE
CONTROLLER
WIRELESS REMOTE
CONTROLLER
ON/OFF
TEMP
ON/OFF
TEMP.
Model name
indication
indication
3 3 2 2 3
NOTE:
• This manual describes only
service data of the indoor
units.
units.
• RoHS compliant products
have <G> mark on the spec
name plate.
name plate.
• For servicing RoHS compliant
products, refer to the RoHS
PARTS LIST.
PARTS LIST.
Revision:
• WIRING DIAGRAM has been
changed in REVISED EDI-
TION-B.
TION-B.
• Some descriptions have been
modified.
• Please void OC370 REVISED
EDITION-A.
OC370B--1.qxp 07.6.20 2:42 PM Page 1