Switch settings for a line (system) address on the interface P.C. board on the outdoor unit
(
: switch ON,
: switch OFF)
Line (system)
address
1
2
1
-
-
2
-
-
3
-
-
4
-
-
5
-
-
6
-
-
7
-
-
8
-
-
9
-
-
10
-
-
11
-
-
12
-
-
13
-
-
14
-
-
15
-
-
16
-
-
17
-
-
18
-
-
19
-
-
20
-
-
21
-
-
22
-
-
23
-
-
24
-
-
25
-
-
26
-
-
27
-
-
28
-
-
157-EN
IM_1141001201-2_Book.indd 79
IM_1141001201-2_Book.indd 79
SW101
SW102
3
4
1
2
3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
– 79 –
(2) Turn on DIP switch 1 of SW100 on the header outdoor unit interface P.C. board of the lowest
system address number.
Switch setting (setting example when controlling 2 or more refrigerant lines centrally)
4
Outdoor units (setting manually)
Outdoor unit's
interface
Header unit
P.C. board
SW101, 102
1
(line (system) address
DIP switch 1 of SW100
(Terminator of central
Set to ON
control line)
Header unit
U3 U4
Uh
Uv
Uc
U1 U2
U5 U6
U
1
U
2
U
1
U
v
U
A
B
Remote
controller
controller
Individual
Indoor units
(automatic setting)
Line (system) address
1
Indoor unit address
1
Group address
0
3. Attach the electrical control box cover.
*The items in bold font must be set manually.
Follower unit
Header unit
Follower unit
Header unit
(No setting
(No setting
2
3
required)
required)
(No setting
(No setting
(No setting
(No setting
required)
required)
required)
required)
Follower unit
Header unit
Follower unit
Header unit
U3 U4
U3 U4
U3 U4
U3 U4
Uh
Uh
Uh
Uh
Uv
Uc
Uv
Uc
Uv
Uc
Uv
U1 U2
U5 U6
U1 U2
U5 U6
U1 U2
U5 U6
U1 U2
U
2
U
1
U
2
U
1
U
2
U
1
U
2
v
U
v
U
v
U
v
A
B
A
B
A
B
A
Remote
Remote
Remote
controller
controller
Group
1
2
2
3
2
1
2
1
0
1
2
0
Factory default
1
OFF
Central
control
device
Uc
U5 U6
B
158-EN
5/2/2564 BE 16:27
5/2/2564 BE 16:27