Mitsubishi Electric PUHY-P200 Service Handbook page 34

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. M-NET remote controller wiring
M-NET remote controller wiring
Connect each of the M1 and M2 terminals of TB5 (indoor/outdoor transmission line terminal block) on the IC to the
terminals on the M-NET remote controller.
For 2-remote controller operation:
For a 2-remote-controller operation, connect each of the terminals M1 and M2 of the IC terminal block to the two RC
terminal blocks respectively.
For indoor unit group operation:
Indoor unit group operation
To operate IC's as a group, connect the M1, M2 terminals of the terminal block on the main IC in the group with the
RC terminal block (with non-polar two wires)
❉M-NET remote controller can be connected at any point on the indoor/outdoor transmission line.
❉To run a group operation of indoor units that have different functions, select the unit with the greatest number
of functions as the main unit.
d. LOSSNAY connection
The same as 1. (4)
e. Switch setting
Address setting is required as follows.
Order Unit or controller
Main unit
1 Indoor unit
Sub unit
2 LOSSNAY
Main unit
M-NET
remote
3
Sub unit
controller
4 Outdoor unit
5 Sub unit Hex. unit
Wiring method Address setting method
•
Address
Setting method
setting range
• Assign the smallest address within
the group to the indoor unit to be-
come the main unit.
IC 01 ~ 50
Starting with the number main unit
address +1, assign a sequential
number to each of the rest of the in-
door units.
After all indoor units have received
an address, use any remaining num-
LC 01 ~ 50
ber and assign it to the Lossnay
unit. units.
The address of the main unit in the
RC 101 ~ 150
same group +100
The address of the main unit in the
RC 151 ~ 200
same group +150
The smallest indoor unit address in
OC
the same refrigerant system +50
51 ~ 100
OS
Oundoor unit address + 1
- 32 -
Caution
• Make the initial setting of the
indoor unit group setting with
the system controller
(MELANS).
• The Lossnay address must not
overlap with the indoor unit ad-
dress.
• 100's digit does not need to be
set.
• Set the address to " 00 " when
setting it to " 200 ".
• Set the address to " 50 " when
setting it to " 100 ".
Factory
setting
00
00
101
00