Toshiba MMU-AP0091H Optional Connector Specifications of Indoor P.C. Board, 183, DC12V COM

10-1-4. 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

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