6-3-1
.
Optional connector specifications of
Indoor Circuit Design Board
Function
Connector No.
Pin No.
Specifications
Remarks
Ventilation output
CN32
1
Setting at shipment: Interlock of ON by indoor unit operation, with OFF by stop operation
∗
The single operation setting by FAN button on the remote controller is performed on the remote
controller (DN [31] = 0000
→
0001)
2
HA
CN61
1
HA ON/OFF input (J01: YES/NO=Pulse (At shipment from factory) /Static input selection)
2
3
4
Permission/Prohibition of remote controller operation stop is performed by input.
Operation ON (Answer back of HA)
5
6
DC12V
Output (Open collector)
ON/OFF input
0
V
Remote controller prohibited input
Operation output (Open collector)
DC12V
Warning output (Open collector)
CHK
Operation check
CN71
1
Warning output ON
This check is used to check indoor operation. (Performs operation of indoor fan “H”
and Drain pump ON without communication with outdoor and remote controller)
20
V
DISP
Exhibition mode
CN72
1
Communication is available by indoor unit and remote controller only.
20
V
UART (FAN-IPDU, Option control kit)
CN521
1
12V
Connected FAN-IPDU (MCC-1610)
Connected Application control kit (TCB-PCUC1E)
25
V
3
Transmission
4
Receive
50
V
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