SPLIT-SYSTEM HEAT PUMP
SERVICE MANUAL
Indoor unit
[Model Name]
PLA-A12EA7
PLA-A18EA7
PLA-A24EA7
PLA-A30EA7
PLA-A36EA7
PLA-A42EA7
Model name
indication for
MAIN UNIT
INDOOR UNIT
ON/OFF
TEMP
IR WIRELESS REMOTE
CONTROLLER
(Option)
[Service Ref.]
PLA-A12EA7
PLA-A18EA7
PLA-A24EA7
PLA-A30EA7
PLA-A36EA7
PLA-A42EA7
Model name
indication for GRILLE
WIRED REMOTE
CONTROLLER
(Option)
September 2018
No. OCH640
REVISED EDITION-C
Revision:
• WIRING DIAGRAM has
been modified in REVISED
EDITION-C.
• Some descriptions have
been modified.
OCH640 REVISED EDITION-B
is void.
CONTENTS
PARTS CATALOG (OCB640)