97
6-3. Optional Connector Specifications of Indoor P.C.
Board
Fan output
HA
Optional output
FIL
TER
Optional error
CHK
Operation check
DISP
Display mode
EXCT
Demand
CN32
CN61
CN60
CN80
CN70
CN71
CN72
CN73
1
2
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
1
2
1
2
1
2
1
2
Function
Connector No.
Pin No.
DC12V
Output
Start/stop input
0V(COM)
Remote controller disabling input
In-operation output
DC12V(COM)
Alarm output
DC12V(COM)
Defrosting output
Thermostat ON output
Cooling output
Heating output
Fan output
DC12V(COM)
DC12V(COM)
External error input
0V
Check mode input
0V
Display mode input
0V
Demand input
0V
Start/stop input for HA
(J01: In place/Removed = Pulse input (factory default)/Step input)
Enables/disables start/stop control via remote controller
ON during operation (HA
answerback signal)
ON while alarm ON
ON while outdoor unit defrosted
ON while real thermostat ON (compressor ON)
ON while air conditioner in cooling or related operation (COOL, DR
Y
or cooling under
AUT
O mode)
ON while air conditioner in heating operation (HEA
T
or heating under
AUT
O mode)
ON while indoor fan ON (air cleaner in use or via interlock wiring)
Specification
Remarks
Generates test code L30 and automatically shuts down air conditioner (only if condition persists
for 1 minute)
Factory default setting to be humidifier (evapo drain pump OFF)
Used for control of optional error input (display of action of protective device for equipment connected externally)
* "Optional error input" setting to be performed via the remote controller (DN = 24)
Used for indoor operation check (prescribed operational status output, such as indoor fan "H" or
drain pump ON, to be generated without communication with outdoor unit or remote controller)
Product display mode - Communication just between indoor unit and remote controller enabled (upon turning on of power)
T
imer short-circuited out (always)
Imposes thermostat OFF on indoor unit
Factory default setting: ON when indoor unit in operation and OFF when indoor unit at rest
* Fan can be operated on its own by pressing F
AN button on remote controller (DN = 31)
External
error input
"FIL
TER/optional/humidifier
setting" input
