Toshiba MMU-AP0152SH Service Manual page 101

8-1-3. Optional Connector Specifications of Indoor P.C. Board
Connector
Function
Humidifier output CN66
Fan output CN32
— CN61
Option output CN60
Outside error input CN80
— CN20
— CN70
CHK operation check CN71
DISP exhibition mode CN72
EXCT demand CN73
Pin
Specifications
No. No.

DC12V
‚
Output

DC12V
‚
Output

ON/OFF input
‚
0V (COM)
ƒ
Main prohibition input
„
Operation output
…
DC12V (COM)
†
Alarm output

DC12V (COM)
‚
Defrost output
ƒ
Thermo ON output
„
COOL output
…
HEAT output
†
Fan output

DC12V (COM)
‚
DC12V (COM)
ƒ
Outside error input
— —
— —

Check mode input
‚
0V

Display mode input
‚
0V

Demand input
‚
0V
In heating, thermo ON, Fan ON, Humidifier output ON
* Humidifier provided, Drain pump ON is set up by CN70
short-circuit or from remote controller. (DN=40)
Shipment setup: ON with indoor unit operation and OFF
with stop are linked.
* Single operation by FAN button on remote controller is set
up from remote controller (DN=31)
HA ON/OFF input
(J01: YES/NO=Pulse (At shipment) / Static input select)
Operation stop of main remote controller is permitted /
prohibited by input.
ON during operation (Answerback of HA)
ON during alarm output
ON when outdoor unit is defrosted
ON during Real thermostat ON (Compressor ON)
ON when operation mode is cooling system
(COOL, DRY, Cool/Heat Auto cooling)
ON when operation mode is heating system
(HEAT, Cool/Heat Auto cooling)
ON when indoor fan is ON
(During use of air cleaner/Interlock cabling)
Generate check code "L30" (for 1 minute continuously) to
stop forcedly the operation.
Used for indoor operation check.
(Outdoor does not communicate with remote controller, and
outputs specified operation such as indoor fan "H", drain
pump ON, etc.)
Exhibition mode enables to communicate by indoor unit and
remote controller only.
(When power has been turned on.) Timer short (Usual)
Indoor unit forced thermostat OFF operation
101
Remarks
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