TECHNICAL & SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
CONTENTS
1. TECHNICAL CHANGES······················2
2. PART NAMES AND FUNCTIONS ·······3
3. SPECIFICATIONS································6
4. OUTLINES AND DIMENSIONS···········8
5. WIRING DIAGRAM ····························11
6.
REFRIGERANT SYSTEM DIAGRAM
······12
7. TROUBLESHOOTING ·······················13
8. 4-WAY AIR FLOW SYSTEM ··············25
9. DISASSEMBLY PROCEDURE··········27
10. PARTS LIST·······································30
11. RoHS PARTS LIST ····························34
July 2007
No. OC320
REVISED EDITION-B
REMOTE CONTROLLER
ON/OFF
RESET
TOO
WARM
TOO
COOL
MODE
AUTO COOL
DRY
HEAT
FAN
VANE
SELECT
TIME
Indoor unit
[Model names] [Service Ref.]
SLZ-KA25VA SLZ-KA25VA.TH
SLZ-KA25VA
1.TH
SLZ-KA35VA SLZ-KA35VA.TH
SLZ-KA35VA
1.TH
SLZ-KA50VA SLZ-KA50VA.TH
SLZ-KA50VA
1.TH
SLZ-KA25VAL SLZ-KA25VAL.TH
SLZ-KA25VAL
1.TH
SLZ-KA35VAL SLZ-KA35VAL.TH
SLZ-KA35VAL
1.TH
SLZ-KA50VAL SLZ-KA50VAL.TH
SLZ-KA50VAL
1.TH
INDOOR UNIT
Model name
indication
ON/OFF
TEMP.
SLZ-KA25,35,50VAL.TH
SLZ-KA25,35,50VAL1.TH
SLZ-KA25,35,50VA.TH
SLZ-KA25,35,50VA1.TH
Revision:
• SLZ-KA25/35/50VA(L)1.TH
are added in REVISED
EDITION-B.
• Some descriptions have
been modified.
•Please void OC320 REVISED
EDITION-A.
Note:
• This manual describes only
service data of the indoor
units. When servicing out-
door units, please refer to
the service manual
No.OC322 or OC323
together with this manual.
• RoHS compliant products
have <G> mark on the spec
name plate.
• For servicing RoHS
compliant products, refer
to the RoHS Parts List.
OC320B-1.qxp 07.7.19 8:45 AM Page 1
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