Sanyo 85464359982001 installation instructions 22-9

(S006)

07-007 W-2WAY_II_NA 1/23/07 6:09 PM Page 75

Basic wiring diagram: Example (2)

					• If link wiring is used
No. 1 Refrigerant circuit
	No. 1 (main outdoor 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 one unit.

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

No. of

outdoor units ON (3 units

setting) 1 2 3

ON

OFF

1 2 3

Unit number setting (unit No. 1)

OFF

(S007)

ON ON

1 2 3 OFF

No. 2 (sub unit) settings

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

No. 3 (sub unit) settings

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

Outdoor unit system 1

Unit	Leave the socket that	Unit
	is used to short-circuit
No. 1		No. 2
	the terminal plug.
(Main)		(Sub)
	(CN003)

Inter-unit control wiring

Unit No. 3

Outdoor main/sub (Sub) control wiring

No. 2

Refrigerant circuit

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 (9
(system 2 setting)		units setting)
(S002)	(S003)	(S004)

ON		ON		9
2
1	2	OFF	(S005)
			ON
			1	2	3
No. of	(S006)		Unit
outdoor	ON	ON	number
units (2 units			setting
setting)	1 2	3 OFF	(unit No. 1)

ON

OFF

(S007)

ON ON

1 2 3 OFF

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

Move the socket to	Unit
the “OPEN” side	No. 2
(CN003).	(Sub)
	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.

•Indoor and outdoor unit power cannot be turned ON for each system separately.

Case 2

Automatic address setting in Heating mode	Case 3A
Automatic address setting in Cooling mode	Case 3B

Fig. 8-6

75