Mitsubishi Electric PURY-P120TJMU-A, Service Handbook

Page: 29 / 411

[
II
Restrictions ]
- 20 - HWE0913A GB
2. M-NET Address settings
(1) Address settings table
The need for address settings and the range of address setting depend on the configuration of the system.
*1. If a given address overlaps any of the addresses that are assigned to other units, use a different, unused address within the
setting range.
*2. To set the outdoor unit address or the auxiliary outdoor unit address to "100," set the rotary switches to "50."
*3. To set the ME remote controller address to "200," set the rotary switches to "00."
*4. Some models of indoor units have two or three control boards.
Assign an address to the No.1, No. 2, and No. 3 control boards so that the No. 2 control board address equals the No. 1 control board
address plus 1, and that the No. 3 control board address equals the No. 1 control board address plus 2.
*5. The outdoor units in the same refrigerant circuit are automatically designated as OC, and OS. They are designated as OC, and OS in
the descending order of capacity (ascending order of address if the capacities are the same).
*6. No address settings are required for units in a system with a single outdoor unit (with some exceptions).
Address setting is required if a sub BC controller is connected.
Unit or controller Sym-
bol Address
setting
range Setting method Factory
address
setting
CITY MULTI
indoor unit Main/sub unit IC 0, 01 to
50
*1 *4 *6
Assign the smallest address to the main indoor unit in the
group, and assign sequential address numbers to the rest
of the indoor units in the same group.
In an R2 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. 00
M-NET
adapter
M-NET con-
trol interface
Free Plan
adapter
LOSSNAY, OA processing unit LC 0, 01 to
50
*1 *4 *6
Assign an arbitrary but unique address to each of these
units after assigning an address to all indoor units. 00
ME remote
controller Main remote
controller RC 101 to
150 Add 100 to the smallest address of all the indoor units in
the same group. 101
Sub remote
controller RC 151 to
200
*3
Add 150 to the smallest address of all the indoor units in
the same group.
MA remote controller MA No address settings required. (The main/sub setting must be made if
2 remote controllers are connected to the system.) Main
CITY MULTI outdoor unit OC
OS 0, 51 to
100
*1 *2
*6
Œ
Assign an address that equals the lowest address of the indoor
units in the same refrigerant circuit plus 50.
Œ
Assign sequential addresses to the outdoor units in the same re-
frigerant circuit. The outdoor units in the same refrigerant circuit
are automatically designated as OC and OS.
*5
00
Auxiliary
outdoor unit BC controller
(main) BC 0, 51 to
100
*1 *2
*6
Œ
Assign an address that equals the address of the outdoor
unit in the same refrigerant system plus 1.
Œ
If a given address overlaps any of the addresses that are
assigned to the outdoor units or to the sub BC controller,
use a different, unused address within the setting range.
00
BC controller
(sub1, 2) BS1
BS2 51 to
100
*2
Œ
Assign an address to both the sub BC controller 1 and 2
that equals the lowest address of the indoor units that
are connected to each of them plus 50.
Œ
If a sub BC controller is connected, the automatic startup
function is not available.