39
Start
No
Turn ON the power supply.
Press the EMERGENCY OPERATION switch.
3-minute time delay works.
Test run operation operates for 30 minutes.
Yes
Check the voltage to terminal block of
outdoor unit. Is there 220V AC to
terminal block between
2
-
C
?
Yes
Outdoor unit does not
operate.
Is the connection of wiring
in outdoor unit correct?
Check the outdoor
fan motor and compressor.
Refer to page 36.
Make the connection of
wiring in outdoor unit
correct.
No
Check the voltage to terminal block of
indoor unit. Is there 220V AC to
terminal block between
3
-
C
?
Reconnect the continuity of indoor and
outdoor unit connection.
Yes
Replace the indoor electronic
control P.C. board.
Compressor
does not operate.
No
Yes
Is the connection of wiring
from terminal block to
compressor correct ?
Check the compressor.
Refer to page 36.
Make the connection of
wiring from terminal block
to compressor correct .
Outdoor fan motor
does not operate.
No
Yes
Is the connection of wiring
from terminal block to
outdoor fan motor correct ?
Check the outdoor fan motor.
Refer to page 36.
Make the connection of
wiring from terminal block
to outdoor fan motor
correct .
No
Does outdoor unit operate?
Yes
Ok
No
Does outdoor unit operate?
Ok
Yes
Does outdoor unit operate?
Ok
Yes
No
No
No
Reconnect the continuity of indoor and
outdoor unit connection.
Check the voltage to terminal block of
outdoor unit. Is there 220V AC to
terminal block between
3
-
C
?
Does 52C contactor operate?
Yes
No
Replace 52C contactor.
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Summary of Contents for MS-09SN-C1
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