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

Page: 49 / 349

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[
II
Restrictions ]
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 ΠAssign 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 fol-
lowing 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.
Port number setting is re-
quired by an R2 or WR2
system. 00
Sub unit Assign sequential numbers starting
with the address of the main unit in
the same group +1. (Main unit ad-
dress +1, main unit a2,
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
control-
ler Main
remote
controller MA No
settings
required. - Enter the same indoor
unit group settings on the
system controller as the
ones that were entered
on the MA remote con-
troller. 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 system
and 50
To set the address to
100, set it to 50. 00
5 Auxiliary
unit BC
controller
(main) BC 52 to 100 Outdoor (heat source) unit address
+ 1
ΠTo set the address to
100, set it to 50.
ΠIf address that is as-
signed to the main BC
controller overlaps any
of the addresses that
are assigned to the out-
door (heat source)
units or to the sub BC
controller, use a differ-
ent, unused address
within the setting
range.
Œ
The use of a sub BC
controller requires the
connection of a main
BC controller.
00
BC
controller
(sub) BS 51 to 100 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.