TECHNICAL & SERVICE MANUAL
SPLIT-TYPE,HEAT PUMP AIR CONDITIONERS
CONTENTS
1. FEATURES ···········································3
2. PART NAMES AND FUNCTIONS ········7
3. SPECIFICATIONS·································8
4. DATA ···················································11
5. OUTLINES AND DIMENSIONS··········15
6. WIRING DIAGRAM·····························20
7.
REFRIGERANT SYSTEM DIAGRAM
······21
8. OPERATION FLOW-CHART··············22
9. MICROPROCESSOR CONTROL·······26
10. TROUBLESHOOTING ························49
11. DISASSEMBLY PROCEDURE ···········57
12. PARTS LIST········································62
13. OPTIONAL PARTS ·····························73
Indoor unit
PCH-2GKHA PCH-2GKHA1
PCH-2.5GKHA PCH-2.5GKHA1
PCH-3GKHA PCH-3GKHA1
PCH-4GKHSA PCH-4GKHSA1
PCH-5GKHSA PCH-5GKHSA1
PCH-6GKHSA PCH-6GKHSA1
No. OC135
1997
[Models names] [Service Ref.]
This manual does not cover the
following outdoor units. When
serving them, please refer to the
service manual No.OC128 and
this manual in a set.
[Service Ref.]
PUH-2VKA
2
PUH-2.5VKA2
PUH-3VKA2
PUH-3YKA2
PUH-4YKSA3
PUH-5YKSA3
PUH-6YKSA2
INDOOR UNIT
Ceiling Suspended
Series PCH
REMOTE CONTROLLER
The Slim Line.
From Mitsubishi Electric.
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