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[ II Restrictions ]
GBHWE09080
(4) Wiring method
1) Indoor-heat source transmission line
Same as [5] 1.
Shielded cable connection
Same as [5] 1.
2) Transmission line for centralized control
Same as [5] 4.
Shielded cable connection
Same as [5] 4.
3) ME remote controller wiring
ME remote controller is connectable anywhere on the in-
door-heat source transmission line.
When 2 remote controllers are connected to the sys-
tem
Refer to the section on Switch Setting.
Performing a group operation (including the group
operation of units in different refrigerant circuits).
Refer to the section on Switch Setting.
4) LOSSNAY connection
Same as [5] 4.
5) Switch setting
Address setting is required as follows.
(5) Address setting method
The heat source units in the same refrigerant circuit are automatically designated as OC, OS1, and OS2.
Proce-
dures
Unit or controller
Address setting
range
Setting method Notes
Factory
setting
1 Indoor
unit
Main unit IC 01 to 50 Assign the smallest ad-
dress to the main unit in
the group.
To perform a group
operation of indoor
units that have differ-
ent functions, desig-
nate the indoor unit in
the group with the
greatest number of
functions as the main
unit.
00
Sub unit Assign sequential num-
bers starting with the ad-
dress of the main unit in
the same group +1.
(Main unit address +1,
main unit address +2,
main unit address +3,
etc.)
2 LOSSNAY LC 01 to 50 Assign an arbitrary but
unique address to each
of these units after as-
signing an address to all
indoor units.
None of these ad-
dresses may overlap
any of the indoor unit
addresses.
00
3ME re-
mote
controller
Main
remote
controller
RC 101 to 150 Add 100 to the main unit
address in the group
It is not necessary to
set the 100s digit.
To set the address
to 200, set the rota-
ry switches to 00.
101
Sub
remote
controller
RC 151 to 200 Add 150 to the main unit
address in the group
4 Heat source unit OC
OS1
OS2
51 to 100 Assign sequential ad-
dress to the heat source
units in the same refrig-
erant circuit. The heat
source units are auto-
matically designated as
OC, OS1, and OS2.
(Note)
To set the address to
100, set the rotary
switches to 50.
00