Table of Contents
14. Outdoor Unit Control PCB
Table 1.
Setting the System Address
[SW1: Rotary switch (Black), SW2: 2P DIP (Black)]
Outdoor
system
address
1 refrigerant
1
system only
1
1
2
3
4
5
6
7
8
9
Link wiring
10
11
12
13
14
15
16
17
18
19
Table 2.
Setting the Number of Indoor Units
[SW3: Rotary switch (Red), SW4: 3P DIP (Black)]
Number of
SW3 Setting
Indoor Units
1
2
3
9
10
11
19
20
21
29
30
31
39
40
41
49
50
51
59
60
61
62
63
64
SW2 setting
SW1
1P
2P
setting
(10s digit)
(20s digit)
0
OFF
OFF
1
OFF
OFF
2
OFF
OFF
3
OFF
OFF
4
OFF
OFF
5
OFF
OFF
6
OFF
OFF
7
OFF
OFF
8
OFF
OFF
9
OFF
OFF
0
ON
OFF
1
ON
OFF
2
ON
OFF
3
ON
OFF
4
ON
OFF
5
ON
OFF
6
ON
OFF
7
ON
OFF
8
ON
OFF
9
ON
OFF
SW4 Setting
1
2
1
OFF
OFF
2
OFF
OFF
3
OFF
OFF
9
OFF
OFF
0
ON
OFF
1
ON
OFF
9
ON
OFF
0
OFF
ON
1
OFF
ON
9
OFF
ON
0
OFF
OFF
1
OFF
OFF
9
OFF
OFF
OFF
0
ON
1
ON
OFF
9
ON
OFF
0
OFF
ON
1
OFF
ON
9
OFF
ON
0
ON
ON
1
ON
ON
2
ON
ON
3
ON
ON
4
ON
ON
Outdoor
Link wiring
Table 3.
Setting the Number of Outdoor Units
[SW6: DIP switch (Black)]
Number of
Outdoor Units
3
1
OFF
OFF
2
OFF
3
4
OFF
OFF
[SW5: DIP switch (Black)]
OFF
Table 4.
Setting the Outdoor Unit address
OFF
OFF
Outdoor Unit
OFF
Address
1
OFF
2
ON
3
ON
4
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
1 - 48
2WAY SYSTEM
Control Functions - Outdoor unit
SW2 setting
SW1
system
1P
setting
address
(10s digit)
20
0
OFF
21
1
OFF
22
2
OFF
23
3
OFF
24
4
OFF
25
5
OFF
26
6
OFF
27
7
OFF
28
8
OFF
29
9
OFF
30
0
ON
SW6 Setting
1
2
ON
OFF
OFF
ON
ON
ON
OFF
OFF
SW5 Setting
1
2
ON
OFF
OFF
ON
ON
ON
OFF
OFF
2P
(20s digit)
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
3
OFF
OFF
OFF
ON
3
OFF
OFF
OFF
ON
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