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7-3. Optional Connector Specifications of Indoor P.C. Board
This option is not provided to oversea models.
Function
Ventilation output
Option output
Outside error
input
AUTO up/
down grille (
)
FILTER
Option error /
Humidifier setting (
)
CHK
Operation check
DISP
Exhibition mode
EXCT
Demand
Connector
No.
CN32
CN60
CN80
CN20
CN70
CN71
CN72
CN73
Pin
No.
1
2
1
2
3
4
5
6
1
2
3
1
2
3
4
5
1
2
1
2
1
2
1
2
Specifications
DC12V
Output
(Open collector)
DC12V
Defrost output
(Open collector)
Thermostat ON output
(Open collector)
Cooling output
(Open collector)
Heating output
(Open collector)
Fan output
(Open collector)
DC12V
NC
Outside error input
DC12V
Panel operation input
Panel up output
(Open collector)
Panel down output
(Open collector)
0V
A
0V
0V
0V
Demand input
0V
Remarks
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)
ON when outdoor unit is defrosted
ON when real thermostat is on. (Compressor ON)
ON when operation mode is cooling system
(COOL, DRY, Cooling/Heating automatic cooling)
ON when operation mode is heating system
(HEAT, Cooling/Heating automatic heating)
ON when indoor fan is on. (When air cleaner is used)
OFF while clean operation is performed.
Generate the warning code “L30” (continuously for 1 minute) and
stop the operation forcibly.
The grille is controlled according to up/down operation from the
remote controller.
Setting of automatic up/down grille provided is performed on the
remote controller.  (DN [30] = 0000 
 0001)
Selection of option error input (Protective operation display of device
attached to outside) or
Humidifier setting input (Vaporizing + Drain pump ON)
Humidifier is set at shipment from factory.
Setting of option error input is performed on the remote controller.
(DN [2A] = 0002 
 0001)
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 controller)
Communication is available by indoor unit and remote controller only.
Indoor unit forced thermostat OFF operation