Sanyo XHX3652, UHX2452, UHX0752 Indoor unit setting S004 Rotary switch, red, Unit No. setting

Test Run

2. Setting of Unit Control PCB

zExamples of the No. of indoor units settings (S005, S004)

Indoor unit setting (S005)

No. of indoor units (3P DIP switch, blue) 10 20 30

	ON			ON
1 unit (factory setting)	All OFF		3
	1	2		OFF
	ON			ON
11 units	1 ON	2	3
	1			OFF
	ON			ON
21 units	2 ON	2	3
	1			OFF
	ON			ON
31 units	3 ON	2	3
	1			OFF
	ON			ON
40 units	1 & 3 ON	2	3
	1			OFF

Indoor unit setting (S004)

(Rotary switch, red)

1 Set to 1

1 Set to 1

1 Set to 1

1 Set to 1

0 Set to 0

zExamples of refrigerant circuit (R.C.) address settings (required when link wiring is used) (S003, S002)

System address (S003)

System address No. (2P DIP switch, blue) 10 20

System address (S002) (Rotary switch, black)

System 1 (factory setting)	Both OFF
System 11	1 ON
System 21	2 ON
System 30	1 & 2 ON

ON

12

ON

12

ON

12

ON

1 2

ON

OFF

ON

OFF ON

OFF ON

OFF

1	Set to 1
1	Set to 1
1	Set to 1
0	Set to 0

1

2

zExamples of the No. of outdoor units settings (S006)

No. of outdoor units	Outdoor unit setting (S006)
	(3P DIP switch, blue)
						ON
1 unit (factory setting)	1 ON	ON
			1	2	3	OFF
						ON
2 units	2 ON	ON
		1
				2		OFF
						ON
3 units	1 & 2 ON	ON
		1		2
					3	OFF

zAddress setting of main outdoor unit (S007)

Unit No. setting	Address setting of outdoor unit (S007)
	(3P DIP switch, blue)
Unit No. 1 (main unit)			ON
		ON
(factory setting)
		1 2 3	OFF

zAddress setting of sub outdoor unit

Unit No. setting	Address setting of outdoor unit (S007)
	(3P DIP switch, blue)
Unit No. 2 (sub unit)	ON				ON
	2 ON
(factory setting)			2		OFF
		1		3
Unit No. 3 (sub unit)	ON				ON
	1 & 2 ON
	1		2	3	OFF

The sub unit control PCB contains the same switches as the main unit control PCB for No. of indoor units, No. of outdoor units, and system address. However it is not necessary to set these switches.

1-5

3

4

5

6

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