Friedrich MR24Y3H manual Circuit Diagram, MW18Y3H / MR18Y3H INDOOR UNITOUTDOOR UNIT

6

CIRCUIT DIAGRAM

MW18Y3H / MR18Y3H

INDOOR UNITOUTDOOR UNIT

							TEST
					1	1 2 3 4 5			6	6
	( OPTION )					CN14CN16		CN10			RED
		EX OUT			2		CN13		1	1	BLUE
	( OPTION )				1				2 2		YELLOW
									3 3		WHITE
			EX IN		3				4 4		BLACK
					2				5 5
THERMISTOR ( PIPE TEMP. )							)		6 6		BLUE
											PINK
	BLACK					CN3	MAIN( PCB	CN8	5 5
	1 1								4 4
	BLACK										YELLOW
	3 3								3 3
			WHITE 2						2 2		ORANGE
	2 2		RED 1			CN1	ASSY		1 1		RED
			BLACK		2
			BLACK 1						6 6		BLUE
							CONTROLLERPCB				PINK
THERMISTOR ( ROOM TEMP. )									5 5
					5			CN5	4 4		YELLOW
	6	WHITE			4	CN6			3 3		ORANGE
				6 6					5 5		PINK
WIRED REMOTE CONTROL					3				2 2
( OPTION )					2				1 1		RED
	CN201				1
	7	WHITE 7 7									BLUE
	5	WHITE		5	5	CN11		CN2	4 4		YELLOW
PCB ASSY									2 2
	3	WHITE 3 3									RED
INDICATOR	4	WHITE 4 4							3 3
											ORANGE
	2	WHITE		2 2					1 1
	1		RED	1 1
	WHITE TM1
	BLACK		TM4 TM2					W5			GREEN
						RED
	THERMAL			1		2	3	G
	FUSE 102

TERMINAL BOARD

FM FAN MOTOR

M STEP MOTOR ( DIFFUSER )

M STEP MOTOR ( UP / DOWN )

M STEP MOTOR ( RIGHT / LEFT )

	CN42	CN40		CN200	CN400
1 2 3 4 5		1 2 3 4 5 6 7 8 9		1 2	1 2 3 4
1 2 3 4 5		1 2 3 4 5 6 7 8 9		1 2	1 2 3 4
WHITE	WHITE WHITE WHITE WHITE	WHITE WHITE WHITE WHITE WHITE	WHITE WHITE WHITE WHITE	WHITE BLACK	BROWN RED ORANGE	YELLOW
1 2 3 4 5		1 2 3 4 5 6 7 8 9
1 2 3 4 5		1 2 3 4 5 6 7 8 9			1 2 3 4 5 6
	CN303	CN301 W306			1 2 3 4 5 6
			W307		CN11
	TRANSISTOR
				CAPACITOR
	PCB ASSY
				PCB ASSY
	( I P M )				A C T P M
		TM302	BLUE	W8
				W13 VIOLET	N
		TM301	YELLOW	W7
				W12 WHITE	P
		W17	BLACK		-I N
		W16	RED		+I N L2 L1
	W TM304 V
TM303					WHITE	WHITE
	TM305	U	BROWN	CHOKE COIL
		TM102
		TM101	ORANGE
		RED		R
		WHITE		CM COMPRESSOR
			S
		BLACK		T

									HIGH PRESSURE SWITCH
						CN90	2	2	RED
							1	1	RED
									THERMISTOR ( COMPRESSOR TEMP. )
							3	3	BROWN
						CN64	2	2	BROWN
							1	1
									THERMISTOR ( OUTDOOR TEMP. )
							3	3	BLUE
						CN62	2	2	BLUE
							1	1
INVERTER PCB ASSY									THERMISTOR ( PIPE TEMP. )
( MAIN PCB )							3	3	BLACK
						CN65	2	2	BLACK
							1	1
									THERMISTOR ( DISCHARGE TEMP. )
						CN63	3	3	BROWN
							2	2	BROWN
							1	1
					CN500		2	2	BLACK	4WV	4-WAY VALVE
							1	1	BLACK
							6	6	WHITE
							5	5	YELLOW
							4	4	ORANGE	PMV EXPANSION VALVE
					CN700				BLUE
							3	3	BROWN
							2	2
							1	1	RED
							7	7	BROWNYELLOW
							6	6	WHITE	FM	FAN MOTOR
					CN800		5 5		BLACK
		TM600	TM601				4	4
							3	3
CN1				CN110			2 2		RED
1 2				1 2			1	1	RED
						W4
1 2				1 2
1BLACKWHITE 2		GRAY	BLACK	WHITE	BLACK
W28		W21	W9	W20	W19	W18			GREEN
									BLACK
W29 CN100						W3			WHITE
POWER SUPPLY						W17			WHITE
						W2			BLACK
	PCB ASSY					W1
						TERMINAL BOARD 1 2				3 L1L2 G
									G

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