Mitsubishi Electric PUHY-P168, Service Handbook

Page: 41 / 404

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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 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.
Port number setting is re-
quired by an R2 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 as-
signing 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 selection
4 Outdoor 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 unit a 1 ΠTo set the address to
100, set it to 50.
ΠIf 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.
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.