Mitsubishi Electric PUHY-HP144TSHMU-A Service Handbook page 48

[ 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 and OS.
HWE0716A
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
OS
- 39 - 39
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-
mote controller.
Assign sequential numbers
Make the same indoor unit
starting with the address of
the main unit in the same group initial settings with the
system controller as the ones
group +1. (Main unit address
that were made with the MA
+1, main unit address +2,
remote controller.
main unit address +3, etc.)
To 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.
-
Settings to be made accord-
ing to the remote controller
function selection
Assign the smallest ad- Make the indoor unit group ini-
tial settings via the system
dress to the main unit in
controller (MELANS).
the group.
Assign an address larger than
those of the indoor units that
Assign sequential numbers
are connected to the MA re-
starting with the address of
mote controller.
the main unit in the same
To perform a group operation
group +1. (Main unit address
of indoor units that have differ-
+1, main unit address +2,
ent functions, designate the
main unit address +3, etc.)
indoor unit in the group with
the greatest number of func-
tions as the main unit.
Add 100 to the main unit ad- It is not necessary to set
dress in the group.
the 100s digit.
To set the address to 200,
set the rotary switches to
00.
Add 150 to the main unit ad-
dress 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 assigning an
door unit addresses.
address to all indoor units.
Assign sequential address to To set the address to 100,
the outdoor units in the same
set the rotary switches to 50.
refrigerantcircuit. The out-
door units are automatically
designated as OC and
OS.(Note)
Factory
Notes
setting
00
Main
00
101
00
00
GB