Service manual

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(V2776)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Indoor unit PC board replacement.
Actuation of external protection
device.
Change the second code No. to
"01" or "02" .
YES
NO
NO
YES
Extern
al protection
device is connected to
terminals T1 and T2 of the
indoor unit terminal
block.
ON/OFF
input from
outside (mode No.
12, first code No. 1) has
been set to external
protection device input
(second code No.
03) by remote
control.