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ManualsBrandsMitsubishi ManualsDomestic AppliancesPCH-2.5
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SERVICE TECHNICAL GUIDE
CONTENTS
1. PAIRING TABLE OF THE INDOOR AND OUTDOOR UNIT ·····2
2. SPECIFICATIONS FOR ELECTRICAL WORK ·························5
3. WIRING DIAGRAM·····································································7
4. REFRIGERANT SYSTEM DIAGRAM ······································34
5. HOW TO CHECK THE PARTS ················································42
6. MICROPROCESSOR CONTROL·············································57
7. INDOOR UNIT CONTROL························································64
8. OUTDOOR UNIT CONTROL····················································71
9. DIP SWITCH FUNCTION ·························································77
10. FUNCTION SETTING ·······························································88
11. TEST RUN & EMERGENCY OPERATION·····························101
12. SELF-DIAGNOSIS··································································107
13. TEST POINT DIAGRAM·························································127
14. TROUBLESHOOTING····························································133
15. SYSTEM CONTROL·······························································136
<Indoor unit>
[Model names]
[Service Ref]
R407C
PLH–P·KAH
PLA–P·KA
PCH–P·GAH
PCA–P·GA
PCA–P·HA
PKH–P·GALH
PKA–P·GAL
PKH–P·FALH
PKA–P·FAL
PKA–P·FAL-H
PSH–P·GAH
PSA–P·GA
PMH–P·BA
PLH–P·AAH
PLA–P·AA
PLH–P·KAH
PLA–P·KA
PEHD–P·EAH
PEAD–P·EA
PLH–P·KAH
PLA–P·KA PLA–P·KA
1
PCH–P·GAH PCH–P·GAH1
PCA–P·GA PCA–P·GA1
PCA–P·HA
PKH–P·GALH PKH–P·GALH
1
PKA–P·GAL PKA–P·GAL1
PKH–P·FALH PKH–P·FALH1 PKH–P·FALH2
PKA–P·FAL PKA–P·FAL1 PKA–P·FAL2
PKA–P·FAL-H
PSH–P·GAH PSH–P·GAH
1
PSA–P·GA PSA–P·GA1
PMH–P·BA PMH–P·BA1 PMH–P·BA2
PLH–P·AAH.UK PLH–P·AAH1.UK
PLA–P·AA(.UK) PLA–P·AA
1.UK
PLH–P·KAH.UK PLH–P·KAH
1.UK
PLA–P·KA(.UK) PLA–P·KA
1(.UK)
PEHD–P·EAH.UK
PEAD–P·EA.UK
<Outdoor unit>
[Model names]
[Service Ref]
PUH–P·GA
PU–P·GA
PUH–P·GAA
PU–P·GAA
PUH-P·GA PUH-P·GA1
PU-P·GA PU-P·GA1
PUH-P·GAA(.UK) PUH-P·GAA1.UK
PU-P·GAA(.UK) PU-P·GAA
1.UK
No. OCT03
REVISED EDITION-E
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS
Please void OCT03 REVISED EDITION-D.
Revision:
● PCA-P•HA and PKA-P•FAL-H are
added.
● WIRING DIAGRAM of PCA-P•HA,
PKA-P•FAL-H, PUH-P•GAA and
PU-P•GAA.
● REFRIGERANT SYSTEM DIAGRAM
of PUH-P•GAA, and PU-P•GAA.
● HOW TO CHECK THE PARTS of
PCA-P•HA, PKA-P•FAL-H,
PUH-P•GAA and PU-P•GAA.
OCT03-E-1.qxp 04.3.26 1:38 PM Page 1

Summary of content (146 pages)