Sanyo XH3672R, XH4272R / C4272R Indoor Unit Power Supply, Wiring System Diagrams, CH Type, U Type

1. Specifications

Indoor Unit
		(B) Power Supply		Trade Size		MOP
Type						(Fuse or HACR
		AWG #14		of Conduit
						type circuit breaker)
X, K, T, U		Max. length 67 ft.			3/4 in.	15 A
Control Wiring
(C) Inter-Unit Control Wiring					(D) Remote Control Wiring		(E) Control Wiring For Group Control
	AWG #18		*1		AWG #18*2 (0.75 mm2)		AWG #18*2 – (0.75 mm2)
Use high voltage wire (300 V)
	Max. 3,300 ft.					Max. 1,650 ft.	Max. 1,650 – ft. (Total)

Wiring System Diagrams

Basic wiring diagram for standard control

Outdoor unit

INV unit

*1 With ring-type wire terminal.

*2 Wire joint connection.

Remote		D
controller
WHT	1	1
BLK	2	2

Indoor	Inter-unit power line
	208 / 230 V, 60 Hz
unit
		B
1
2
G	Grounding line	C
U1
U2
	Ground

L1

L2

1

2 G

U1

U2

A	L1	Power supply
	L2	208 / 230 V, 60Hz

Grounding line

1

NOTE

1)Refer to “ Recommended Wire Length and Wire Diameter for Power Supply System” for the explana- tion of “A”, “B”, “C”, “D”, and “E”, in the above dia- grams.

2)Inter-Unit Control Wiring (C) and remote controller wiring (D), (E) have no polarity. But for other wiring, respect polarity. Be sure to connect as shown in the Wiring System Diagram.

CH Type

8P terminal board

U1 U2 1 2 G L1 L2

Inter-unit		Inter-unit	Power wiring
control wiring	power wiring

3)In case of separate supply connection to indoor unit, over current protection must be provided between power source and indoor unit.

MAXIMUM OVER CURRENT PROTECTION 15 A (FUSE OR HACRTYPE CIRCUIT BREAKER)

X, T, U Type

5P terminal board

1 2		G U1 U2
			Remote
	Inter-unit	Inter-unit
power wiring		control wiring	controller wiring

KType

4P terminal board

	U1 U2	1 2 G
			Remote
Inter-unit		Inter-unit
control wiring		power wiring	controller wiring

SM831148

I-99