8-
2-1
. 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 control is performed on the remote
control (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 control operation stop is performed by input.
Operation ON (Answer back of HA)
5
6
DC12V
Output (Open collector)
ON/OFF input
0
V
Remote control 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”, Louver
horizontal and Drain pump ON without communication with outdoor and remote control)
20
V
DISP
Exhibition mode
CN72
1
Communication is available by indoor unit and remote control only.
20
V
UART (FAN-IPDU,
Application
control P.C.Board
)
CN521
1
12V
Connected FAN-IPDU (MCC-1610)
Connected Application control
P.C.board
25
V
3
Transmission
4
Receive
50
V
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