8-1-3. Optional Connector Specifications of Indoor P.C. Board

Function

Connector

Pin

 

Specifications

Remarks

No.

No.

 

 

 

 

 

 

 

 

 

 

 

 

Humidifier output

CN66

DC12V

 

In heating, thermo ON, Fan ON, Humidifier output ON

 

 

 

 

 

 

* Humidifier provided, Drain pump ON is set up by CN70

 

 

Output

 

 

 

 

short-circuit or from remote controller. (DN=40)

 

 

 

 

 

 

Fan output

CN32

DC12V

 

Shipment setup: ON with indoor unit operation and OFF

 

 

 

 

 

 

with stop are linked.

 

 

Output

 

* Single operation by FAN button on remote controller is set

 

 

 

up from remote controller (DN=31)

 

 

 

 

 

 

 

 

 

 

 

CN61

ON/OFF input

HA ON/OFF input

 

 

 

 

 

 

(J01: YES/NO=Pulse (At shipment) / Static input select)

 

 

 

 

 

 

 

0V (COM)

 

 

 

 

 

 

 

 

ƒ

Main prohibition input

Operation stop of main remote controller is permitted /

 

 

 

 

 

 

prohibited by input.

 

 

 

 

 

 

 

Operation output

ON during operation (Answerback of HA)

 

 

 

 

 

 

 

DC12V (COM)

 

 

 

 

 

 

 

 

Alarm output

ON during alarm output

 

 

 

 

 

Option output

CN60

DC12V (COM)

 

 

 

 

 

 

 

 

Defrost output

ON when outdoor unit is defrosted

 

 

 

 

 

 

 

ƒ

Thermo ON output

ON during Real thermostat ON (Compressor ON)

 

 

 

 

 

 

 

COOL output

ON when operation mode is cooling system

 

 

 

 

 

 

(COOL, DRY, Cool/Heat Auto cooling)

 

 

 

 

 

 

 

HEAT output

ON when operation mode is heating system

 

 

 

 

 

 

(HEAT, Cool/Heat Auto cooling)

 

 

 

 

 

 

 

Fan output

ON when indoor fan is ON

 

 

 

 

 

 

(During use of air cleaner/Interlock cabling)

 

 

 

 

 

Outside error input

CN80

DC12V (COM)

Generate check code “L30” (for 1 minute continuously) to

 

 

 

 

 

 

stop forcedly the operation.

 

 

DC12V (COM)

 

 

 

 

 

 

 

 

 

 

ƒ

Outside error input

 

 

 

 

 

 

 

 

CN20

 

 

 

 

 

 

 

 

 

CN70

 

 

 

 

 

 

 

CHK operation check

CN71

Check mode input

Used for indoor operation check.

 

 

 

 

 

 

(Outdoor does not communicate with remote controller, and

 

 

0V

 

 

outputs specified operation such as indoor fan “H”, drain

 

 

 

 

pump ON, etc.)

 

 

 

 

 

 

 

 

 

 

 

DISP exhibition mode

CN72

Display mode input

Exhibition mode enables to communicate by indoor unit and

 

 

 

 

 

 

remote controller only.

 

 

0V

 

 

 

 

 

 

(When power has been turned on.) Timer short (Usual)

 

 

 

 

 

EXCT demand

CN73

Demand input

Indoor unit forced thermostat OFF operation

 

 

 

 

 

 

 

 

 

0V

 

 

 

 

 

 

 

 

 

 

98

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Toshiba MMU-AP0071MH Optional Connector Specifications of Indoor P.C. Board, Function Connector Pin Specifications Remarks

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