Toshiba MML-AP0124H2UL Service Manual page 30

Connector
Function
No.
HA CN061
Optional output CN060
External trouble input CN080
CHK
CN071
Operation check
DISP
CN072
Display mode
EXCT
CN073
Demand
P.C. Board Optional Switch/Connector Specifications
Pin
Specifications
No.
1 Start / stop input
2 0 V (COM)
3 Remote control disabling input
4 In-operation output
5 DC 12 V (COM)
6 Alarm output
1 DC12 V (COM)
2 Defrost output
3 Thermostat-ON output
4 Cooling output
5 Heating output
6 Fan output
1 DC5 V (COM)
2 External trouble input
1
Check mode input
2 0 V
1 Display mode input
2 0 V
1 Demand input
2 0 V
Start / stop input for HA (J01: In place / Removed =
Pulse input (factory default) / Step input)
Enables / disables start / stop control via remote control
ON during operation (HA answerback signal)
ON while alarm ON
ON during defrosting of outdoor unit
ON when Real thermostat. ON (Comp. ON)
ON when operation mode is cooling line
(Cool, Dry, Cooing/Heating AUTO cooling)
ON when operation mode is heating line
(Heat, Cooling/Heating AUTO heating)
ON when indoor fan is ON
Generates test code "L30" and automatically shuts down air
conditioner ( only if condition presists for 1 minute) (DN:2A = 2, at
shipment from factory)
This check is used for operation check of indoor unit.
(The specified operation such as indoor fan "H", drain pump ON,
etc. is executed without communication with outdoor unit or
remote control.)
Display mode, communication is enabled by indoor unit and
remote control only.
(When power supply is turned on.)
Timer short (Usual)
Indoor unit forced thermostat-OFF operation
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Remarks