PCB and Functions
1. Outdoor Unit Control PCB
Table 1.
Setting the System Address
[SW1: Rotary switch (black), SW2: 2P DIP (black)]
Table 2.
Setting the Number of Indoor Units
[SW3: Rotary switch (red), SW4: 3P DIP (black)]
1 refrigerant
system only
Link wiring
Outdoor
system
address
SW1
setting
SW2 setting
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
1P
(10s digit)
2P
(20s digit)
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
Link wiring
Outdoor
system
address
SW1
setting
SW2 setting
20
21
22
23
24
25
26
27
28
29
30
0
1
2
3
4
5
6
7
8
9
0
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
1P
(10s digit)
2P
(20s digit)
1
2
3
OFF
OFF
OFF
OFF
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
OFF
OFF
ON
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
ON
1
2
3
9
0
1
9
0
1
9
0
1
9
0
1
9
0
1
9
0
1
3
4
2
1
2
3
9
10
11
19
20
21
29
30
31
39
40
41
49
50
51
59
60
61
63
64
62
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
Number of
Indoor Units
SW3 Setting
SW4 Setting
Table 4.
Setting the Number of Outdoor Units
[SW6: DIP switch (black)]
Table 3.
Setting the Outdoor Unit address
[SW5: DIP switch (black)]
1
2
3
1
2
3
1
2
3
ON
OFF
ON
OFF
ON
ON
OFF
OFF
OFF
Outdoor Unit
Address
SW5 Setting
1
2
3
ON
OFF
ON
OFF
ON
ON
OFF
OFF
OFF
SW6 Setting
Number of
Outdoor Units
TD831163-02̲2WAY VRF.indb 7
2013/05/22 17:56:13
2WAY VRF SYSTEM
Control Functions
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14. Outdoor Unit Control PCB
SM830237-07_北米向け2WAY_VRF.indb 54
18/06/19 18:55:50
