Sanyo 85464369098000, XMHX1252 Wiring System Diagram, For K, A, X, T, U and D Types, Power

5-3. Wiring System Diagram

●For K, A, X, T, U and D Types

			Indoor
		*	unit (No. 1)
Power supply		L1	L1	Outdoor unit
208 / 230V, 1ø, ~60Hz L2			L2
				INV unit	*
		Ground	A			L1	Power supply
				U1	1
Remote			U1		2	L2	208 / 230V, 3ø, ~60Hz
		B	U2	U2		L3
controller					3
WHT	1	1	R1	3	4
					5
BLK	2	2	R2	4		Ground
			A
		*	Indoor
			unit (No. 2)	Inter-outdoor-unit control wiring
Power supply		L1	D
			L1
208 / 230V, 1ø, ~60Hz L2			L2
		Ground		Outdoor unit
Remote			U1	INV unit	*
			U2			L1	Power supply
controller		B			1
WHT	1	1	R1		2	L2	208 / 230V, 3ø, ~60Hz
				3		L3
BLK	2	2	R2		3
				4	4
			A		5	Ground
Group control:			Indoor
		*	unit (No. 3)				* Disconnect switch
Power supply
		L1	L1				(Field Supply)
208 / 230V, 1ø, ~60Hz L2
			L2
		Ground	U1
		C		* NOTE:
			U2
			R1	Disconnect Switch may be needed by the
			R2	National/Local code.
			A
				ALWAYS COMPLY WITH NATIONAL AND
			Indoor	LOCAL CODE REQUIREMENTS.
		*	unit (No. n)
Power supply		L1	L1
208 / 230V, 1ø, ~60Hz L2
			L2
		Ground	U1
Remote
		B	U2
controller
WHT	1	1	R1
BLK	2	2	R2

NOTE

(1)Refer to Section 5-2. “Recommended Wire Length and Wire Diameter for Power Supply System” for the explanation of “A,” “B,” “C,” and “D,” in the above diagram.

(2)The basic connection diagram of the indoor unit shows the 7P terminal board, so the terminal boards in your equipment may differ from the diagram.

(3)Refrigerant Circuit (R.C.) address should be set before turning the power on.

(4)Regarding the R.C. address setting, refer to page 87. Address setting can be executed by remote controller automatically. Refer to page 87 – 91.

7P terminal board

1(L1)	2(L2)	U1	U2	R1	R2
Power		Inter-unit		Remote
supply		control	wiring	controller

X, A, U, D, T Types

5P terminal board

1	2	3	4	5
1(L1)2(L2)			U1 U2
Power			Inter-unit
supply			control wiring

K Type

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W-3WAY_ECO-i_US.indd 69 2008/02/20 9:58:53