Sanyo XHX2452, UHX2452, UHX0752, UHX1252, UHX3652, UHX1852, THX2452, THX1252 22-9, Refrigerant, Circuit

Test Run

3. Auto Address Setting

Basic wiring diagram: Example (2)

•If link wiring is used * When multiple outdoor main units exist, remove the socket that is

No. 1 (main outdoor unit) settings

used to short-circuit the terminal plug (CN003) from all outdoor

main unit PCBs except for one unit.

No. of indoor units

System address

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

(system 1 setting)

(13 units setting)

(S002)

(S003)

(S004)

ON

1

ON

1

2

OFF

(S005)

ON

ON

OFF

No. 2 (sub unit)

No. 3 (sub unit)

1

2

3

No. of

(S006)

Unit

(S007)

Unit

Unit

outdoor units

ON

ON

(S007)

(S007)

ON

number

ON

(3 units

ON

number

ON

ON

number

ON

setting)

2

3

setting

setting

setting

1

OFF (unit No. 1)

1

2

3

OFF

OFF

(unit No. 3)

1

2

3

OFF

(unit No. 2)

1

2

3

Outdoor unit	Unit	Leave the socket that	Unit		Unit
		is used to short-circuit
	No. 1		No. 2		No. 3
system 1
		the terminal plug.
	(Main)		(Sub)	Outdoor main/sub	(Sub)
		(CN003)
				control wiring

Inter-unit control wiring

	Indoor unit		1-1		1-2	1-3	1-13
	Remote					Remote controller
						communication	wiring
	controller
No. 2			No. 1 (main unit) settings
Refrigerant	System address				No. of indoor units
circuit	(system 2 setting)				(9 units setting)
	(S002)	(S003)			(S004)
				ON
		ON			9
	2
		1	2	OFF	(S005)
						ON
					ON

1

2 3

OFF

No. 2 (sub unit) settings

Unit

No. of

(S006)

Unit

(S007)

(S007)

ON

outdoor

ON

number

ON

number

ON

ON

ON

units (2 units

setting

setting

setting)

1

2

3

OFF (unit No. 1)

1 2

3

OFF

(unit No. 2)

1

2 3

OFF

1

2

3

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

4

5

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 2
· Indoor and outdoor unit power cannot be turned ON for each system separately.
Automatic address setting in Heating mode	Case 3A
Automatic address setting in Cooling mode	Case 3B

6

7

1-7

8