OCH790 _119
10 SYSTEM CONSTRUCTION
10-1. Example of refrigerant piping and transmission cable wiring
0
1 2
3 4
5
67
89
0
1 2
3 4
5
67
89
Branch box
001
Branch box
006
A Control Indoor unit
A Control Indoor unit
A Control Indoor unit
A Control Indoor unit
A Control Indoor unit
A Control Indoor unit
A Control Indoor unit
A Control Indoor unit
A
(001)
B
(002)
C
(003)
A
(006)
B
(007)
C
(008)
D
(004)
E
(005)
M
-
NET
cable
①
M
-
N
ET
cab
le
s
hi
el
di
ng
w
ire
m
us
t
be connec
ted
to e
ach
re
fri
ge
ra
nt
sy
st
em
(o
ut
doo
ra
nd b
ra
nch bo
x)
.
②
Se
t
add
re
ss
es:
Ou
td
oo
r un
it
.........
...
05
1–
10
0
Br
an
ch box
.......
...
...
..
00
1–
046
③
Outdoor unit has no
100s digit switch.
The address a
ut
om
at
ic
all
y beco
m
e
"100
"
if
it
is
se
t a
s
"0
1–
50"
.
Piping
Signal line
④
Make sure that the wiring between the branch box and indoor unit is properly done, matching with the piping connection.
A
B
C
D
E
A
B
C
MA remote controller
MA remote controller
MA remote controller
MA remote controller
WL-RC
WL-RC
WL-RC
WL-RC
For centralized management
051
Outdoor unit
Piping
For Branch box/CITY
MUL
TI indoor unit
0
1 2
3 4
5
67
89
0
1 2
3 4
5
67
89
Address SW
0
1 2
3 4
5
67
89
0
1 2
3 4
5
67
89
Address SW
0
1 2
3 4
5
67
89
0
1 2
3 4
5
67
89
Address SW
0
1 2
3 4
5
67
89
0
1 2
3 4
5
67
89
Address SW
SW1 ON
1
2
3
4
5
6
SW1 ON
1
2
3
4
5
6
CITY
MUL
TI
Indoor unit
009
CITY
MUL
TI
Indoor unit
010
MA remote controller
CITY
MUL
TI
......
...
...
..
00
1–
050
For centralized management
061
Outdoor unit
For Branch box/CITY
MUL
TI indoor unit
0
1 2
3 4
5
67
89
Address SW
0
1 2
3 4
5
67
89
CITY
MUL
TI
Indoor unit
011
CITY
MUL
TI
Indoor unit
012
CITY
MUL
TI
Indoor unit
013
CITY
MUL
TI
Indoor unit
014
CITY
MUL
TI
Indoor unit
015
111
161
MA remote controller
M-NET remote controller
M-NET remote controller
Address SW
0
1 2
3 4
5
67
89
0
1 2
3 4
5
67
89
Address SW
0
1 2
3 4
5
67
89
0
1 2
3 4
5
67
89
Address SW
0
1 2
3 4
5
67
89
0
1 2
3 4
5
67
89
Address SW
0
1 2
3 4
5
67
89
0
1 2
3 4
5
67
89
Address SW
0
1 2
3 4
5
67
89
Address SW
0
1 2
3 4
5
67
89
Address SW
0
1 2
3 4
5
67
89
0
1 2
3 4
5
67
89
1
1
0
1 2
3 4
5
67
89
0
1 2
3 4
5
67
89
■
Applicable outdoor units for this service manual
■
Other
CITY
MUL
TI
outdoor unit
Note:
The refrigerant system which includes branch box cannot be operated as a group.
⑤
M-NET remote controller cannot be connected
with refrigerant system including branch box.
⑥
Refrigerant systems including branch box cannot
be grouped with using M-NET remote controller or system controller.
