Mitsubishi Electric PUHY-RP200, Service Handbook, Page: 52 / 306

[
II
Restrictions ]
43 - 43 -
HWE10130 GB
(4) Wiring method
1) Indoor/outdoor 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) MA 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.
4) ME remote controller wiring
Same as [6]
When 2 remote controllers are connected to the sys-
tem
Same as [6]
Group operation of indoor units
Same as [6]
5) LOSSNAY connection
Same as [5] 4.
6) Switch setting
Address setting is required as follows.
(5) Address setting method
The outdoor units in the same refrigerant circuit are automatically designated as OC, OS1, and OS2.
The outdoor units are designated as OC, OS1, and OS2 in the order of capacity from large to small (if two or more units have
the same capacity, in the order of address from small to large).
Proce-
dures
Unit or controller
Address
setting
range
Setting method Notes
Factory
setting
1 Opera-
tion
with the
MA re-
mote
control-
ler
In-
door
unit
Main unit IC 01 to 50 Assign the smallest address
to the main unit in the group.
ΠAssign an address smaller than
that of the indoor unit that is con-
nected to the ME remote con-
troller.
ΠEnter the same indoor unit group
settings on the system controller
as the ones that were entered
on the MA remote controller.
ΠTo perform a group operation of
indoor units that have different
functions, designate the indoor
unit in the group with the great-
est 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 a1, main unit
a2, main unit ad-
dress +3, etc.)
MA
re-
mote
con-
troller
Main re-
mote con-
troller
MA No
settings
required.
-
Main
Sub
remote
controller
MA Sub
remote
controller
Settings to be made ac-
cording to the remote con-
troller function selection
2 Opera-
tion
with the
ME re-
mote
control-
ler
In-
door
unit
Main unit IC 01 to 50 Assign the smallest ad-
dress to the main unit in
the group.
ΠEnter the indoor unit group set-
tings on the system controller
(MELANS).
ΠAssign an address larger than
those of the indoor units that
are connected to the MA re-
mote controller.
ΠTo perform a group operation
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.
00
Sub unit Assign sequential num-
bers starting with the ad-
dress of the main unit in
the same group +1. (Main
unit a1, main unit
a2, main unit ad-
dress +3, etc.)
ME re-
mote
con-
troller
Main re-
mote con-
troller
RC 101 to
150
Add 100 to the main unit
address in the group.
ΠIt is not necessary to set
the 100s digit.
ΠTo set the address to 200,
set the rotary switches to
00.
101
Sub
remote
controller
RC 151 to
200
Add 150 to the main unit
address in the group.
3 LOSSNAY LC 01 to 50 Assign an arbitrary but
unique address to each of
these units after assign-
ing an address to all in-
door units.
None of these addresses
may overlap any of the in-
door unit addresses.
00
4 Outdoor unit OC
OS1
OS2
51 to 100 Assign sequential ad-
dress to the outdoor units
in the same refrigerantcir-
cuit. The outdoor units
are automatically desig-
nated as OC, OS1, and
OS2.(Note)
To set the address to 100,
set the rotary switches to 50.
00