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9-1-5. P.C. Board Optional Switch/Connector Specifications
Function
Ventilation output
HA
Option output
Outside abnormal input
Filter option trouble
CHK operation check
DISP display mode
EXCT demand
Connector
No.
CN032
CN061
CN060
CN080
CN070
CN071
CN072
CN073
Pin
No.
Specifications
DC12V
Output
Start/Stop input
0V (COM)
Remote control disabling
input
Operation output
DC12V (COM)
Alarm output
DC12V (COM)
Defrost output
Thermo-ON output
Cooling output
Heating output
Fan output
DC12V (COM)
DC12V (COM)
Outside abnormal input
Outside setting input
0V
Check mode input
0V
Display mode input
0V
Demand input
0V
Remarks
Setting at shipment: Linked operation; ON with indoor air
conditioner operation, OFF with stop
* Single operation setting by [VENT] button of remote
control is performed from remote control. (DN=31)
HA Start/Stop input (J01: Provided/None=
Pulse (At shipment from factory) / Static input selection)
Enables / disables start / stop control via remote
control
ON during operation (Answer back of HA)
ON during output of alarm
ON during defrosting of outdoor unit
ON during real thermo-ON (Compressor ON)
ON when operation mode is COOL
ON when operation mode is HEAT
ON when indoor fan is on
(When purifier is used / Interlock wiring)
The check code “L30” is generated continuously for 1
minute and the operation stops forcedly.
Setting of humidifier provided / none
(Short plug attached at shipment from factory)
This function is used to check indoor operation.
(The specified operation such as indoor fan “ON” is output
without communication with outdoor or remote control.)
This function enables the display mode to communicate
with indoor air conditioner and remote control only.
(When power supply is turned on) Timer short (Usually)
Forced thermo-OFF operation of indoor air conditioner.
