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Indoor
unit
MA
remote
controller
Indoor
unit
M-NET
remote
controller
Wiring method
•
Address setting method
a. Indoor/outdoor transmission line
The same as 1. (3)
Connection of shielded wire:
The same as 1. (1)
b. Centralized control transmission line
The same as 1. (4)
Connection of shielded wire:
The same as 1. (4)
c-1. MA remote controller wiring, For 2-remote controller operation: , For indoor unit group operation:
The same as 1. (1)
c-2. M-NET remote controller, For 2-remote controller operation: , For indoor unit group operation:
The same as 2. (1)
d. Lossnay connection
The same as 1. (4)
e. Switch setting
Address setting is required as follows.
Operation
with MA
remote
controller
Operation
with M-NET
remote
ontroller
Lossnay
Outdoor unit
IC
MA
MA
IC
RC
RC
LC
OC
01 ~ 50
Not
required
Sub remote
controller
01 ~ 50
101 ~ 150
151 ~ 200
01 ~ 50
51 ~ 100
52 ~ 100
Order
Unit or controller
Address
Setting method
Caution
Factory
setting range
setting
–
00
Main
00
101
00
00
00
Main
unit
Sub
unit
Main
unit
Sub
unit
Main
unit
Sub
unit
Main
unit
Sub
unit
1
2
3
4
BC Controller
(sub)
BC Controller
(main)
5
Auxiliary
units
BS
BC
• To set the address to “100,” set it
to “50”.
• If the address of the heat ex-
changer unit or main BC control-
ler overlaps with the address of
the outdoor unit or the sub BC
controller, use an unused ad-
dress within the setting range.
• The use of a sub BC controller re-
quires a main BC controller
Use the address that equals the
sum of the smallest indoor unit ad-
dress out of all the indoor units that
are connected to the sub BC con-
troller and 50.
Outdoor unit a1
Hex. unit
OS
• Set the lowest address within
asame group to the indoor unit
desired to be the main unit.
• Assign a larger address to the
indoor unit that is connected to the
R2-type sub BC controller than the
one assigned to the indoor unit
connected to the main BC
controller.
• If applicable, set the sub BC con-
trollers in an R2 system in the fol-
lowing order:
(1) Indoor unit to be connected to
the main BC controller
(2) Indoor unit to be connected to
No.1 sub BC controller
(3) Indoor unit to be connected to
No.2 sub BC controller
Set the address so that (1) < (2) < (3)
• After setting the address of the
indoor unit to be operated with MA
controller, set the lowest address
among the same group to the
indoor unit desired to be the main
unit.
• Assign a larger address to the
indoor unit that is connected to the
R2-type sub BC controller than the
one assigned to the indoor unit
connected to the main BC
controller.
• Set lower address than that of
the indoor unit connected to
M-NET remote controller.
• Initially set the same setting
detail as that of indoor unit group
executed in the wiring of MA
remote controller with system
controller.
• Branch numbers must be set for
a system with R2.
• Initially set the same setting
detail as that of indoor unit group
with system controller.
• Branch numbers must be set for
a system with R2.
• 100 digits are not required to set.
• When setting the address as
“200,” make it “00.”.
• When setting the address to
“100,” make it “50.”
• Set so that not duplicating with
the indoor unit addresses.
Set to the main unit address within
a same group in serial order.
[Main unit +1, +2, +3,]
Set to the main unit address within
a same group in serial order.
[Main unit +1, +2, +3,]
Main unit address inside a same
group + 100
After setting all indoor units, set any
address.
The lowest address of indoor unit
within refrigerant 50
Main unit address inside a same
group + 150
Set by using the main/sub selector
switch
