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

Page: 45 / 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
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.
Port number setting is
required by an R2 or
WR2 system. 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 address-
es may overlap any of
the indoor unit address-
es. 00
3 MA
remote
controller Main
remote
controller MA No
settings
required. - Enter the same indoor
unit group settings on
the system controller as
the ones that were en-
tered on the MA remote
controller. 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
To set the address to
100, set it to 50. 00
5 Auxiliary
unit BC
controller
(main) BC 52 to 100 Outdoor unit (heat source) ad-
dress + 1
ΠTo set the address to
100, set it to 50.
ΠIf a given address
overlaps any of the
address that are as-
signed to the outdoor
(heat source) units or
to the sub BC control-
ler, use a different,
unused address with-
in the setting range.
ΠThe use of a sub BC
controller requires
the connection of a
main BC controller.
00
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.