Mitsubishi Electric CITY MULTI PUHY-P108 Service Handbook page 45

[ 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
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
Make the settings for the indoor
units in the way that the formula
"(i) < (ii) < (iii)" is true.
Assign sequential numbers start-
ing with the address of the main
unit in the same group +1. (Main
unit address +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
assigning an address to all indoor
units.
MA No
settings
required.
MA Sub Settings to be made according to
remote the remote controller function se-
controller lection
OC 51 to 100 The sum of the smallest address of
the indoor units in the same sys-
tem 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.
- 36 -
Notes
Port number setting is
required by an R2 sys-
tem.
None of these address-
es may overlap any of
the indoor unit address-
es.
- Enter the same indoor
unit group settings on
the system controller as
the ones that were en-
tered on the MA remote
controller.
To set the address to
100, set it to 50.
To set the address to
100, set it to 50.
If a given address
overlaps any of the
addresses that are
assigned to the out-
door units or to the
sub BC controller,
use a different, un-
used address within
the setting range.
The use of a sub BC
controller requires
the connection of a
main BC controller.
Facto-
ry set-
ting
00
00
Main
00
00