MXZ-SM48NAMHZ Service Manual
40
OCH789
7
NECESSARY CONDITIONS FOR SYSTEM CONSTRUCTION
7-1. TRANSMISSION SYSTEM SETUP
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
②③
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-NET cable shielding wire must
be connected to each refrigerant
system (outdoor and branch box).
② Set addresses:
Outdoor unit ............ 051–100
Branch box ............... 001–046
③ Outdoor unit has no 100s digit switch.
The address automatically become "100"
if it is set as "01–50".
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 MULTI indoor unit
①
④
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
Address SW
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
Address SW
SW1
ON
1 2 3 4 5 6
SW1
ON
1 2 3 4 5 6
CITY MULTI
..............
001–050
For centralized
management
061
Outdoor unit
For Branch box/CITY MULTI indoor unit
0
1
2
3
4
5
6
7
8
9
Address SW
CITY MULTI
Indoor unit
011
CITY MULTI
Indoor unit
012
CITY MULTI
Indoor unit
013
CITY MULTI
Indoor unit
014
CITY MULTI
Indoor unit
015
111 161
M-NET
remote
controller
M-NET
remote
controller
0
1
2
3
4
5
6
7
8
9
Address SW
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
Address SW
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
Address SW
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
Address SW
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
Address SW
0
1
2
3
4
5
6
7
8
9
Address SW
0
1
2
3
4
5
6
7
8
9
Address SW
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
1 1
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
■ Applicable outdoor units for this service manual
■ Other CITY MULTI 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.