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Mitsubishi Electric PUHY-P72 Service Manual page 49

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[ II Restrictions ]
(4) Wiring method
1) Indoor/outdoor transmission line
Same as [5] 3.
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) MA remote controller wiring
Same as [5] 1.
When 2 remote controllers are connected to the sys-
tem
(5) Address setting method
Proce-
Unit or controller
dures
1
Opera-
In-
tion
door
with the
unit
MA re-
mote
control-
ler
MA
re-
mote
con-
troller
2
Opera-
In-
tion
door
with the
unit
M-NET
remote
control-
ler
M-
NET
re-
mote
con-
troller
3
LOSSNAY
4
Outdoor unit
The outdoor units in the same refrigerant circuit are automatically designated as OC, OS1, and OS2.
HWE0804A
Address
setting
range
Main unit
IC
01 to 50
Sub unit
Main re-
MA
No
mote con-
settings
troller
required.
Sub
MA
Sub
remote
remote
controller
controller
Main unit
IC
01 to 50
Sub unit
Main re-
RC
101 to
mote con-
150
troller
Sub
RC
151 to
remote
200
controller
LC
01 to 50
OC
51 to 100
OS1
OS2
- 40 -
Same as [5] 1.
Group operation of indoor units
Same as [5] 1.
4) M-NET remote controller wiring
Same as [5] 1.
When 2 remote controllers are connected to the sys-
tem
Same as [5] 1.
Group operation of indoor units
Same as [5] 1.
5) LOSSNAY connection
Same as [5] 4.
6) Switch setting
Address setting is required as follows.
Setting method
Assign the smallest address
Assign an address smaller
to the main unit in the group.
than that of the indoor unit that
is connected to the M-NET re-
Assign sequential num-
mote controller.
Enter the same indoor unit
bers starting with the ad-
group settings on the system
dress of the main unit in
controller as the ones that
the same group +1. (Main
were entered on the MA re-
unit address +1, main unit
mote controller.
address +2, main unit ad-
To perform a group operation
dress +3, etc.)
of indoor units that have differ-
ent functions, designate the
indoor unit in the group with
the greatest number of func-
tions as the main unit.
-
Settings to be made ac-
cording to the remote
controller function selec-
tion
Assign the smallest ad-
Enter the indoor unit group set-
tings on the system controller
dress to the main unit in
(MELANS).
the group.
Assign an address larger than
those of the indoor units that
Assign sequential num-
are connected to the MA re-
mote controller.
bers starting with the ad-
To perform a group operation
dress of the main unit in
of indoor units that have differ-
the same group +1. (Main
ent functions, designate the
unit address +1, main unit
indoor unit in the group with
address +2, main unit ad-
the greatest number of func-
dress +3, etc.)
tions as the main unit.
Add 100 to the main unit
It is not necessary to set
address in the group.
the 100s digit.
To set the address to 200,
set the rotary switches to
00.
Add 150 to the main unit
address in the group.
Assign an arbitrary but
None of these addresses
unique address to each of
may overlap any of the in-
these units after assign-
door unit addresses.
ing an address to all in-
door units.
Assign sequential ad-
To set the address to 100,
dress to the outdoor units
set the rotary switches to 50.
in the same refrigerantcir-
cuit. The outdoor units
are automatically desig-
nated as OC, OS1, and
OS2.(Note)
Factory
Notes
setting
00
Main
00
101
00
00
GB

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