73
Switch setting (setting example when controlling 2 or more refrigerant lines centrally)
Outdoor units (setting manually)
*The items in bold font must be set manually.
CAUTION
Relay connector connection
Never connect relay connectors between the [U1, U2] and [U3, U4] terminals before completing address setting of all
the refrigerant lines. Otherwise, the addresses cannot be set correctly.
Outdoor unit’s
interface P.C. board
Outdoor unit
Outdoor unit
Outdoor unit
Factory default
SW13, 14
(Line (system) address)
1
3
2
1
DIP switch 2 of SW30
(Terminator of indoor /
outdoor communication
line and central control
line)
ON
Set to OFF after
setting addresses.
Set to OFF
after setting
addresses.
ON
Relay connector
Connect after setting
addresses.
Connect after setting
addresses.
Connect after setting
addresses.
Open
Line (system) address
1
1
2
2
3
1
2
1
2
1
s
s
e
r
d
d
a
t
i
n
u
r
o
o
d
n
I
0
2
1
0
0
s
s
e
r
d
d
a
p
u
o
r
G
2
U
1
U
B
A
2
U
1
U
2
U
1
U
B
A
B
A
A
2
U
1
U
2
U
1
U
B
A
B
U4
U3
U2
U1
CN02
CN10
U4
U3
U2
U1
CN02
CN10
U4
U3
U2
U1
CN02
CN10
Central
controller
Remote
controller
Remote
controller
Remote
controller
Remote
controller
Group
Individual
Indoor units
(automatic setting)
Outdoor unit
[U1, U2] and
[U3, U4] connected
Outdoor unit
[U1, U2] and
[U3, U4] connected
Outdoor unit
[U1, U2] and
[U3, U4] connected
59
A10-1510.indb 59
A10-1510.indb 59
2016/04/08 17:20:55
2016/04/08 17:20:55
