1 - 41
Mini VRF SYSTEM
Control Functions - Outdoor unit
1
12. Outdoor Unit Control PCB
TD831186-00_欧州向け Mini VRF TD.indb 2 16/06/22 8:32:48
Table 1-3
Table 1-4
The number of indoor units settings (SW3, SW4)
DO NOT exceed the maximum number of indoor units when making connections.
The indoor unit address setting should also be set less than “12”.
In the event of setting more than “13”, the communication cannot be made between the outdoor and indoor units.
Examples of refrigerant circuit (R.C.) address settings (required when link wiring is used) (SW1, SW2)
System address No.
System address (SW1)
(2P DIP switch)
10 20
System address (SW2)
(Rotary switch)
System 1 (factory setting)
Both OFF
Set to 1 - 9
Set to 0 - 2
21
ON
ON
OFF
Set to 1
System 11
1 ON
21
ON
ON
OFF
Set to 1
System 21
2 ON
21
ON
ON
OFF
Set to 1
System 30
Both ON
21
ON
ON
OFF
Set to 0
Number of indoor units
Indoor unit setting (SW3)
(1P DIP switch)
10
Indoor unit setting (SW4)
(Rotary switch)
10 - 12 unit
(factory setting : 1 unit)
1 - 9 unit
OFF
1
ON
ON
OFF
ON
1
ON
ON
OFF
2
Table 1-5
Setting the System Address
[SW2: Rotary switch (Yellow), SW1: 2P DIP (Black)]
Outdoor
system
address
SW2
setting
SW1 setting
1P
(10s digit)
2P
(20s digit)
Link wiring
1 1 OFF OFF
2 2 OFF OFF
3 3 OFF OFF
4 4 OFF OFF
5 5 OFF OFF
6 6 OFF OFF
7 7 OFF OFF
8 8 OFF OFF
9 9 OFF OFF
10 0 ON OFF
11 1 ON OFF
12 2 ON OFF
13 3 ON OFF
14 4 ON OFF
15 5 ON OFF
16 6 ON OFF
17 7 ON OFF
18 8 ON OFF
19 9 ON OFF
Outdoor
system
address
SW2
setting
SW1 setting
1P
(10s digit)
2P
(20s digit)
Link wiring
20 0 OFF ON
21 1 OFF ON
22 2 OFF ON
23 3 OFF ON
24 4 OFF ON
25 5 OFF ON
26 6 OFF ON
27 7 OFF ON
28 8 OFF ON
29 9 OFF ON
30 0 ON ON
SM830258-01_欧州向け_1fan_mini_VRF.indb 41 18/03/06 9:09:56
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