Mitsubishi Electric CITY MULTI PUHY-P108 Service Handbook page 41

[ II Restrictions ]
Pro
ce-
Unit or controller
du-
res
1 Indoor Main unit
unit
Sub unit
2 LOSSNAY
3 MA Main
remote remote
controller controller
Sub
remote
controller
4 Outdoor unit
5 Auxiliary BC
unit controller
(main)
BC
controller
(sub)
Address setting method
Address
setting Setting method
range
IC 01 to 50 Assign the smallest address to the
main unit in the group.
In an R2 system with a sub BC
controller, make the settings for
the indoor units in the following or-
der.
(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
Make the settings for the indoor
units in the way that the formula
"(i) < (ii) < (iii)" is true.
Assign sequential numbers starting
with the address of the main unit in
the same group +1. (Main unit ad-
dress +1, main unit address +2,
main unit address +3, etc.)
LC 01 to 50 Assign an arbitrary but unique ad-
dress to each of these units after as-
signing an address to all indoor
units.
MA No
settings
required.
MA Sub Settings to be made according to the
remote remote controller function selection
controller
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 unit address + 1
BS Assign an address that equals the
sum of the smallest address of the
indoor units that are connected to
the sub BC controller and 50.
- 32 -
Port number setting is re-
quired by an R2 system.
None of these addresses
may overlap any of the in-
door unit addresses.
-
To set the address to 100,
set it to 50.
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 units or to
the sub BC controller,
use a different, unused
address within the set-
ting range.
The use of a sub BC
controller requires the
connection of a main
BC controller.
Facto-
Notes ry set-
ting
00
00
Main
00
00