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Switch settings for a line (system) address on the interface P.C. board on the outdoor unit
(
: switch ON,
: switch OFF)
Line (system)
S
W
1
0
1
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
-
NOTE
Beware that if the setting is different from what is shown in the table above, the line (system) address will be 28.
Because the SW101 bit 1 is a dedicated switch for the header outdoor unit, it is not used for line (system) address
setting.
S
W
1
0
2
3
4
1
2
3
(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
(line (system) address
DIP switch 1 of SW100
(Terminator of central
Set to ON
control line)
H
e
a
d
r e
u
n
t i
U3 U4
Uh
Uv
Uc
U1 U2
U5 U6
U
1
U
2
U
v
A
B
Remote
controller
Individual
Indoor units
(automatic setting)
Line (system) address
Indoor unit address
Group address
3. Attach the electrical control box cover.
– 32 –
*The items in bold font must be set manually.
Follower unit
Header unit
Follower unit
(No setting
(No setting
1
2
required)
required)
(No setting
(No setting
(No setting
required)
required)
required)
F
o
o l l
w
r e
u
n
t i
H
e
a
d
r e
u
n
t i
F
o
o l l
w
r e
u
n
t i
H
e
a
d
U3 U4
U3 U4
U3 U4
Uh
Uh
Uh
Uv
Uc
Uv
Uc
Uv
Uc
U1 U2
U5 U6
U1 U2
U5 U6
U1 U2
U5 U6
U
1
U
2
U
1
U
2
U
1
U
2
U
v
U
v
U
v
A
B
A
B
A
B
Remote
Remote
controller
controller
Group
1
1
2
2
1
2
1
2
0
0
1
2
Header unit
Factory default
3
1
(No setting
OFF
required)
Central
control
device
r e
u
n
t i
U3 U4
Uh
Uv
Uc
U1 U2
U5 U6
U
1
U
2
U
v
A
B
Remote
controller
3
1
0
EN
EN
EN
ID
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