Mitsubishi Electric City Multi PQHY-P72 Service Handbook page 61

[ II Restrictions ]
Pro
ce-
Unit or controller
du-
res
2 Opera- Indoor
tion with unit
the
M-NET
remote
control-
ler
M-NET
re-
mote
con-
troller
3 LOSSNAY
4 Outdoor (heat source) unit
5 Auxilia- BC controller
ry unit (main)
BC controller
(sub)
Wiring method/address setting method
Address
setting
range
Main IC 01 to 50 After assigning an address to all
unit
In an R2 or WR2 system with a
Make the settings for the indoor
units in the way that the formula
"(i) < (ii) < (iii)" is true.
Sub Assign sequential numbers start-
ing with the address of the main
unit
unit in the same group +1. (Main
unit address +1, main unit ad-
dress +2, main unit address +3,
etc.)
Main RC 101 to 150 Add 100 to the main unit address
re- in the group.
mote
con-
troller
Sub RC 151 to 200
Add 150 to the main unit address
re- in the group.
mote
con-
troller
LC 01 to 50 Assign an arbitrary but unique ad-
dress to each of these units after
assigning an address to all indoor
units.
OC 51 to 100 The sum of the smallest address
of the indoor units in the same
system and 50
BC 52 to 100
Outdoor (heat source) unit ad-
dress + 1
BS
Assign an address that equals the
sum of the smallest address of
the indoor units that are connect-
ed to the sub BC controller and
50.
Setting method
indoor units to be controlled
from the MA remote controller,
assign the smallest address to
the main indoor unit in the
group.
sub BC controller, make the
settings for the indoor units in
the following order.
(i) Indoor unit to be connected
to the main BC controller
(ii) Indoor unit to be connected
to sub BC controller 1
(iii) Indoor unit to be connected
to sub BC controller 2
- 52 -
Facto-
Notes ry set-
ting
Enter the indoor unit 00
group settings on the
system controller
(MELANS).
Port number setting is
required by an R2 or
WR2 system.
It is not necessary to set 101
the 100s digit.
To set the address to
200, set it to 00.
None of these addresses 00
may overlap any of the in-
door unit addresses.
To set the address to 100, 00
set it to 50.
00
To set the address to
100, set it to 50.
If a given address over-
laps any of the address-
es that are assigned to
the outdoor (heat
source) units or to the
sub BC controller, use a
different, unused ad-
dress within the setting
range.
The use of a sub BC
controller requires the
connection of a main
BC controller.