Mitsubishi Electric PUHY-P200 Service Handbook page 36

a. Indoor/outdoor transmission line
The same as 1. (3)
Connection of shielded wire:
The same as 1. (1)
b. Centralized control transmission line
The same as 1. (4)
Connection of shielded wire:
The same as 1. (4)
c-1. MA remote controller wiring, For 2-remote controller operation: , For indoor unit group operation:
The same as 1. (1)
c-2. M-NET remote controller, For 2-remote controller operation: , For indoor unit group operation:
The same as 2. (1)
d. Lossnay connection
The same as 1. (4)
e. Switch setting
Address setting is required as follows.
Order Unit or controller
Indoor
unit
Operation
with MA
1
remote
controller
MA
remote
controller
Indoor
unit
Operation
2
with M-NET
remote
ontroller
M-NET
remote
controller
3
Lossnay
4 Outdoor unit
5 Sub unit
Wiring method Address setting method
•
Address
setting range
• Set the lowest address within
Main a same group to the indoor unit
unit desired to be the main unit.
IC 01 ~ 50
Set to the main unit address
Sub
within a same group in serial or-
unit
der.
Main Not
MA
unit required
Sub Sub remote Set by using the main/sub se-
MA
unit controller lector switch
• After setting the address of the
indoor unit to be operated with
MA controller, set the lowest
Main
unit address among the same
group to the indoor unit desired
IC 01 ~ 50
to be the main unit.
Set to the main unit address
Sub
within a same group in serial or-
unit
der.
Main Main unit address inside a same
RC 101 ~ 150
unit group + 100
Sub Main unit address inside a same
RC 151 ~ 200
uni t group + 150
After setting all indoor units, set
LC 01 ~ 50
any address.
The lowest address of indoor
OC
unit within refrigerant system + 50
51 ~ 100
Hex.
OS Oundoor unit address + 1
unit
Setting method
• Set lower address than that of
the indoor unit connected to
M-NET remote controller.
• Initially set the same setting
detail as that of indoor unit
group executed in the wiring
of MA remote controller with
[Main unit +1, +2, +3,]
system controller.
–
• Initially set the same setting
detail as that of indoor unit
group with system controller.
[Main unit +1, +2, +3,]
• 100 digits are not required to
set.
• When setting the address as
"200," make it "00."
• Set so that not duplicating with
the indoor unit addresses.
• When setting address to
"100," make it "50."
- 34 -
Factory
Caution
setting
00
Main
00
101
00
00