Toshiba RAV-SM454MUT-TR Indoor P.C. Board Optional Connector Specifications MCC-1402

Indoor P.C. Board Optional Connector Specifications (MCC-1402)

Function	Connector	Pin	Specifications	Remarks
	No.	No.
Option output	CN60	1	DC12V (COM)
		2	Defrost output	ON during defrost operation of outdoor unit
		3	Thermo. ON output	ON during Real thermo-ON (Comp ON)
		4	Cooling output	ON when operation mode is in cooling system
				(COOL, DRY, COOL in AUTO cooling/heating)
		5	Heating output	ON when operation mode is in heating system
				(HEAT, HEAT in AUTO cooling/heating)
		6	Fan output	ON during indoor fan ON
				(Air purifier is used/Interlock cable)
Outside error input	CN80	1	DC12V (COM)	(When continued for 1 minute)
				Check code “L30” is output and forced operation stops.
		2	DC12V (COM)
		3	Outside error input
CHK	CN71	1	Check mode input	Used for operation check of indoor unit.
Operation check				(Communication with outdoor unit or remote controller
		2	0V	is not performed, but the specified operation such as
				indoor fan “H” or drain pump ON is output.)
DISP display mode	CN72	1	Display mode input
		2	0V	Display mode enables indoor unit and remote controller
				to communicate. (When power is turned on)
EXCT demand	CN73	1	Demand input
		2	0V	Forced thermo-OFF operation in indoor unit

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