Service manual

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Check on operation
(V3057)
Press and hold the TEST
OPERATION button (BS4) on
outdoor unit PC board for
5 seconds.
 The test operation is started automatically.
The following judgements are conducted within 15 minutes.
2“Check for wrong wiring”
2“Check refrigerant for over charge”
2“Check stop valve for not open”
2Pipe length automatic judgement”
The following indications are conducted while in test operation.
2LED lamp on outdoor unit PC board H2P flickers (test operation)
2Remote control Indicates “On Centralized Control” on upper
right.
Indicates “Test Operation” on lower left
77
777
7777
7777 7
7777777
7777777 9
7777777 7
7777777 7
Master:
Slave 1:
Slave 2:
(Factory set)
LED display (
7
:ON
7
:OFF
9
:Blink)
H1P
--- H7P H8P
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