4-5

PCB and Functions
1
2
3
4
5
6
7
8

1. Outdoor Unit Control PCB

Table 1. Setting the System Address [S002: Rotary switch (black), S003: 2P DIP (blue)]
Outdoor system address S002 setting S003 setting
1P (10s digit) 2P (20s digit)
1 refrigerant
system only 1 0 OFF OFF
Link wiring
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
10
11
12
13
14
15
16
17
18
19
0
1
2
3
4
5
6
7
8
9
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
20
21
22
23
24
25
26
27
28
29
0
1
2
3
4
5
6
7
8
9
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
30 0 ON ON
Table 2. Setting the Number of Indoor Units
[S004: Rotary switch (red), S005: 2P DIP (blue)]
Number of
Indoor Units S004 Setting S005 Setting
123
1 1 OFF OFF OFF
2 2 OFF OFF OFF
3 3 OFF OFF OFF
9 9 OFF OFF OFF
10 0 ON OFF OFF
11 1 ON OFF OFF
19 9 ON OFF OFF
20 0 OFF ON OFF
21 1 OFF ON OFF
29 9 OFF ON OFF
30 0 OFF OFF ON
31 1 OFF OFF ON
39 9 OFF OFF ON
40 0 ONONON
Table 3. Setting the Number of Outdoor Units
[S006: DIP switch (blue)]
Number of
Indoor Units S006 Setting
123
1 ON OFF OFF
2 OFF ON OFF
3 ON ON OFF
4 OFF OFF ON
Table 4. Setting the Outdoor Unit address
Outdoor Unit
Address S007 Setting
123
1 ON OFF OFF
2 OFF ON OFF
3 ON ON OFF
4 OFF OFF ON