Sanyo CHDZR14053, XMHX1252, XMHX1852, CHDZR09053, 85464369098000 installation instructions 22-9

Basic wiring diagram: Example (2)

						• If link wiring is used
			No. 1 (main unit) settings
System address						No. of indoor units
(system 1 setting)						(13 units setting)
(S002)	(S003)					(S004)
					ON
1	ON					3
		1		2	OFF	(S005)	ON
						ON

*When multiple outdoor main units exist, remove the socket that is used to short-circuit the terminal plug (CN003) from all outdoor main unit PCBs except for 1.

Alternatively, move the sockets to the “OPEN” side.

No. of	(S006)
outdoor units ON
(2 units
setting)	1 2 3

1 2 3

Unit

ON number setting

OFF (unit No. 1)

No. 2 (sub unit)

OFFsettings

(S007)			ON	Unit		(S007)
ON								ON
				number	ON
1	2	3	OFF	setting				OFF
				(unit No. 2)	1	2	3

Outdoor unit system 1

Unit

No. 1 (Main)

Leave the socket that is used to short-circuit the terminal plug.

(CN003)

Unit

No. 2 (Sub)

Inter-unit control wiring

Indoor unit	1-1	1-2	1-3	1-13
Remote			Remote controller
			communication	wiring
controller
	No. 1 (main unit) settings
System address		No. of indoor units
(system 2 setting)		(9 units setting)

(S002) (S003)

ON		ON
2
1	2	OFF

No. of			(S006)		ON
outdoor	ON
units (2 units
setting)		1	2	3	OFF

(S004)

9

(S005)

ONON

1	2 3	OFF
Unit		(S007)		ON
number		ON
setting				OFF
(unit No. 1)		1 2	3

No. 2 (sub unit) settings

Unit		(S007)			ON
number	ON
setting
(unit No. 2)		1	2	3	OFF

Outdoor unit	Unit
	No. 1
system 2	(Main)

Indoor unit	2-1
To other system

link wiring

Remote controller

Leave the socket	Unit
that is used to open	No. 2
circuit the terminal	(Sub)
plug (CN003).	Outdoor main/sub control wiring
Inter-unit control wiring

2-22-9

Remote controller cross-over wiring

Make settings as appropriate for the cases listed below. (Refer to the instructions on the following pages.)

• Indoor and outdoor unit power can be turned ON for each system separately. Case 1

• Indoor and outdoor unit power cannot be turned ON for each system separately. Automatic address setting in Heating mode

Case 2

Automatic address setting in Cooling mode

Case 3

Fig. 8-6

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W-3WAY_ECO-i_US.indd 88 2008/02/07 10:56:13