Mitsubishi Electric CITY MULTI PUHY-P108 Service Handbook page 60

1) Indoor/outdoor transmission line
Same as [4] 3.
[Shielded cable connection]
Same as [4] 1.
2) Transmission line for centralized control
Same as [4] 4.
[Shielded cable connection]
Same as [4] 3.
3) MA remote controller wiring
Same as [4] 1.
[When 2 remote controllers are connected to the system]
Same as [4] 1.
[Group operation of indoor units]
Same as [4] 1.
4) M-NET remote controller wiring
Same as [4] 1.
[When 2 remote controllers are connected to the system]
Same as [4] 1.
[Group operation of indoor units]
Same as [4] 1.
5) LOSSNAY connection
Same as [4] 4.
6) Switch setting
Address setting is required as shown on the next page.
Pro
ce-
Unit or controller
du-
res
1 Opera- Indoor Main
tion with unit unit
the MA
remote
control-
ler
Sub
unit
MA Main
re- re-
mote mote
con- con-
troller troller
Sub
re-
mote
con-
troller
Wiring method/address setting method
Address
setting Setting method
range
IC 01 to 50 Assign the smallest address to
the main unit in the group.
In an R2 system with a sub BC
controller, make the settings 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.
Assign sequential numbers start-
ing with the address of the main
unit in the same group +1. (Main
unit address +1, main unit ad-
dress +2, main unit address +3,
etc.)
MA No
settings
required.
MA Sub Settings to be made according to
the remote controller function se-
remote
lection
controller
- 51 -
Notes
Assign an address
smaller than that of the
indoor unit that is con-
nected to the M-NET
remote controller
Enter the same indoor
unit group settings on
the system controller as
the ones that were en-
tered on the MA remote
controller.
Port number setting is
required by an R2 sys-
tem.
-
[ II Restrictions ]
Facto-
ry set-
ting
00
Main