Mitsubishi Electric City Multi CMB-P1016NU-G, Service Handbook

Page: 37 / 349

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[
II
Restrictions ]
Wiring method/address setting method
Pro
ce-
du-
res
Unit or controller
Address
setting
range
Setting method Notes
Facto-
ry set-
ting
1 Indoor
unit Main unit IC 01 to 50
Œ
Assign the smallest address to
the main unit in the group.
ΠIn an R2 or WR2 system with a
sub BC controller, make the set-
tings 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.
Œ
Port number setting is
required by an R2 or
WR2 system.
ΠTo perform a group op-
eration of indoor units
that have different func-
tions, set the indoor unit
in the group with the
greatest number of
functions as the main
unit.
00
Sub unit Assign sequential numbers start-
ing with the address of the main
unit in the same group +1. (Main
unit a1, main unit address
+2, main unit a3, etc.)
2 LOSSNAY LC 01 to 50 Assign an arbitrary but unique ad-
dress to each of these units after
assigning an address to all indoor
units. None of these addresses
may overlap any of the in-
door unit addresses. 00
3 MA
remote
controller Main
remote
controller MA No
settings
required. - Main
Sub
remote
controller MA Sub
remote
controller Settings to be made according to
the remote controller function se-
lection
4 Outdoor (heat
source) unit OC 51 to 100 The sum of the smallest address
of the indoor units in the same sys-
tem and 50
Œ
To set the address to
100, set it to 50.
ΠIf a given address over-
laps any of the ad-
dresses that are
assigned to the outdoor
(heat source) units or to
the sub BC controller,
use a different, unused
address within the set-
ting range.
ΠThe use of a sub BC
controller requires the
connection of a main
BC controller.
00
5 Auxiliary
unit BC
controller
(main) BC 52 to 100 outdoor (heat source) unit address
+ 1
BC
controller
(sub) 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.