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Mitsubishi Electric PURY-P72 Service Handbook page 49

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[II Restrictions]
(4)
Wiring method
1) Indoor/outdoor transmission line
Same as [5] 3.
Shielded cable connection
Same as
[5] 1.
2) Transmission line for centralized control
Same as [5)4.
Shielded cable connection
Same as
[5] 4.
3) M-NET remote controller wiring
M-NET remote controller is connectable anywhere on
the indoor-outdoor transmission line.
(5) Address setting method
When
2
remote controllers are connected to the sys-
tem
Refer to the section on Switch Setting.
Performing a group operation (including the group
operation of units in different refrigerant circuits).
Refer to the section on Switch Setting.
4) LOSSNAY connection
Same as
[5] 4.
5) Switch setting
Address setting is required as follows.
Ad-
Fac-
Proce-
Unit or controller
dress
Setting method
Notes
tory
dures
setting
set-
range
ting
1
Indoor
Main unit
IC
01 to
'Assign the smallest address to the main unit
'Port number setting is
00
unit
50
in the group.
required
'In a system with
B
sub BC controller. make
'To perform a group op-
the settings for the indoor units in the fol-
lowing order.
eration of indoor units
(i) Indoor unit to be connected to the main BC
that have different func-
controller
tions. setthe indoor unit
(ii)
Indoor unit to be connected
10
sub Be
in the group with the
controller 1
(iii) Indoor unn to be connected to sub BC
greatest number of
controller
2
functions as the main
Make the settings for the indoor unns in the
unit.
way that the fonnula
"(i) < (ii) <
(iii)" is true.
Sub unit
Assign sequential numbers slarting with the
address of the main unn in the same group
+1. (Main unn address +1. main unn address
+2, main unn address +3, etc.)
2
LOSSNAY
LC
01 to
Assign an arbitrary but unique address
to
None of these addresses may
00
50
each of these unns after assigning an address
overlap any of the indoor unit
to all indoor unns.
addresses.
3
M-NET
Main
RC
101 to
Add 100 to the main unit address in
'It is not necessary to set the
101
remote
remote con-
150
the group
100s digit.
troller
'To set the address to 200,
controller
set the rolary swnches to 00.
Sub
RC
151 to
Add 150 to the main unit address in
remote con-
200
the group
troller
4
Outdoor unit
OC
51 to 100
'Assign sequential address to the outdoor
•To set the address to 100,
00
OS
unns in the same refrigerant circun.
set the rotary swnches
10
50.
'The outdoor units are automatically desig-
'If the addresses that is as-
nated as OC and OS.(Note)
signed to the main BC con-
troller overlaps any of the
5
Auxiliary
BCcon-
BS
51 to 100 Assign an address that equals the sum of the
addresses that are assigned
outdoor
troller (Sub)
smallest address of the indoor units that are
to the outdoor units or to the
connected to the sub BC controller and 50.
sub BC controUer, use a dif-
unit
ferent, unused address with-
Be
control-
Be
oe (or OS if it exists) +1
in the selling range.
ler(Main)
·The use of a sub BC control-
ler requires the connection
of a main Be controller.
Note
I
The outdoor units in the same refrigerant circuit are automatically designated as oe and OS.
They are designated as oe and OS in the descending order of capacity (ascending order of address if the capacities are the
same).
HWEOB03A
- 39-
GB
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