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Function
HA
Option control kit
CHK Operation check
DISP Exhibition mode
Connector
No.
CN61
CN521
CN71
CN72
Pin
No.
①
②
③
④
⑤
⑥
①
②
③
④
⑤
①
②
①
②
Specifications
ON/OFF input
0V
Remote controller
prohibited input
Operation output
(Open collector)
DC12
Check mode input
V
Warning output
(Open collector)
12V
5V
Transmission
Receive
0V
0V
0V
Remarks
HA ON/OFF input
(J01: YES/NO=Pulse (At shipment from factory) /
Static input selection)
Permission/Prohibition of remote controller operation
stop is performed by input.
Operation ON (Answer back of HA)
Warning output ON
Connected Application control kit (
This check is used to check indoor operation. (Performs
operation of Drain pump ON without communication
with outdoor and remote controller)
Communication is available by indoor unit and remote
controller only.
Optional Connector Specifications of Indoor P.C. Board (MCC-1643)
Display mode input
TCB-PCUC2E)
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