Test Run
5
- 4
8
7
6
5
4
3
2
1
3. Main Outdoor Unit PCB Setting
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.
2
3
2
1
ON
1
ON
ON
3
1
2 3
2
1
ON
3
1
1
1
1
1
1
1
ON
1 2 3
ON
1 2 3
ON
1
2 3
ON
1 2 3
2
1
ON
2
1
ON
ON
1
2
2
1
ON
ON
1 2 3
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
3
2
1
ON
ON
1
2
3
ON
OFF
ON
OFF
L
Examples of the No. of indoor units settings (S005, S004)
L
Examples of the No. of outdoor units settings (S006)
L
Address setting of main outdoor unit (S007)
L
Examples of refrigerant circuit (R.C.) address settings (required when link wiring is used) (S003, S002)
No. of indoor units
System address No.
Indoor unit setting (S005)
(3P DIP switch, blue)
Indoor unit setting (S004)
(Rotary switch, red)
System address (S003)
(2P DIP switch, blue)
System address (S002)
(Rotary switch, black)
System 1 (factory setting)
1 unit (factory setting)
11 units
21 units
31 units
All OFF
No. of outdoor units
Outdoor unit setting (S006)
(3P DIP switch, blue)
Address setting of outdoor unit (S007)
(3P DIP switch, blue)
1 unit (factory setting)
1 ON
2 units
2 ON
3 units
1 & 2 ON
L
Address setting of sub outdoor unit
Unit No. setting
Address setting of outdoor unit (S007)
(3P DIP switch, blue)
Unit No. 2 (sub unit)
Unit No. 3 (sub unit)
2 ON
1 & 2 ON
1 ON
2 ON
3 ON
1 & 3 ON
Set to 1
Set to 1
Set to 1
Set to 1
Set to 0
Set to 1
Set to 1
Set to 1
Set to 0
40 units
System 11
System 21
System 30
Both OFF
1 ON
2 ON
1 & 2 ON
Unit No. 1 (main unit)
Unit No. setting
10 20 30
10 20
0
0
3. Main Outdoor Unit PCB Setting
TD831158-00̲3WAY̲VRF̲SYS.indb 4
TD831158-00̲3WAY̲VRF̲SYS.indb 4
2012/01/24 10:54:19
2012/01/24 10:54:19
Summary of Contents for U-72MF1U9
Page 118: ...Section 8 TENTATIVE ...
