SPLIT-TYPE, HEATPUMP AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
No. OC341
REVISED EDITION-B
INDOOR UNIT
CONTENTS
1. TECHNICAL CHANGES·······················2
2. FEATURES···········································2
3. PART NAMES AND FUNCTIONS········3
4. SPECIFICATION···································5
5. OUTLINES AND DIMENSIONS············9
6. WIRING DIAGRAM·····························10
7.
REFRIGERANT SYSTEM DIAGRAM
···12
8. MICROPROCESSOR CONTROL·······13
9. TROUBLESHOOTING························20
10. DISASSEMBLYPROCEDURE ···········27
11. PARTS LIST········································30
12. RoHS PARTS LIST·····························33
July 2007

R410A / R22

NOTE:
• This manual describes only
service data of the indoor units.
• RoHS compliant products have
<G> mark on the spec name
plate.
• For servicing RoHS compliant
products, refer to the RoHS
PARTS LIST.
Revision:
• PMFY-P06/08/12/15NBMU-E1are
added in REVISED EDITION-B.
• Some descriptions have been
modified.
• Please void OC341 REVISED
EDITION-A.
PMFY-P06NBMU-E PMFY-P06NBMU-E
PMFY-P06NBMU-E1
PMFY-P08NBMU-E PMFY-P08NBMU-E
PMFY-P08NBMU-E1
PMFY-P12NBMU-E PMFY-P12NBMU-E
PMFY-P12NBMU-E1
PMFY-P15NBMU-E PMFY-P15NBMU-E
PMFY-P15NBMU-E1
Indoor unit
[Model names] [Service Ref.]
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