System Control; Standard Operation; Operation Using 2 Remote Controllers; Group Operation - Mitsubishi Electric City Multi PUMY-P36NHMU Technical & Service Manual

8-3. SYSTEM CONTROL

8-3-1. Example for the System
• Example for wiring control cables, wiring method and address setting, permissible lengths, and the prohibited items are listed
in the standard system with detailed explanation.
The explanation for the system in this section : Use one single outdoor unit and multiple outdoor units for M-NET remote
A. Example of a M-NET remote controller system (address setting is necessary.)
Example of wiring control cables

1. Standard operation

OC
51
TB3 TB7
M1M2 S A B S
• 1 remote controller for each
indoor unit.
• There is no need for setting the 100
position on the remote controller.

2. Operation using 2 remote controllers

OC
51
TB3 TB7
M1M2 S A B S
• Using 2 remote controllers
for each indoor unit.

3. Group operation

OC
51
TB3 TB7
M1M2 S A B S
• Multiple indoor units operated
together by 1 remote
controller
Combinations of 1through 3 above are possible.
control system.
Use one single outdoor unit and multiple indoor units in the multiple outdoor
units for the M-NET remote control system.
L L
1 2
IC
01
TB5 TB15
M1M2 S 1 2
A B
101
RC
IC
01
TB5 TB15
M1M2 S 1 2
A B A B A B
101 151 102
RC RC RC
(Main) (Sub) (Main)
IC(Main)
01
TB5 TB15
M1M2 S 1 2
A B
101
RC
Wiring Method and Address Setting
a. Use feed wiring to connect terminals M1 and M2 on
transmission cable block (TB3) for the outdoor unit
(OC) to terminals M1 and M2 on the transmission
cable block (TB5) of each indoor unit (IC). Use
non-polarized 2 wire.
IC
b. Connect terminals M1 and M2 on transmission
02
cable terminal block (TB5) for each indoor unit with
TB5 TB15
the terminal block (TB6) for the remote controller
M1M2 S 1 2
(RC).
c. Set the address setting switch (on outdoor unit
P.C.B) as shown below.
A B
102 Unit
Indoor unit (IC)
RC
Outdoor unit
(OC)
Remote
controller (RC)
a. Same as above.
b. Same as above.
IC
c. Set address switch (on outdoor unit P.C.B) as
02
shown below.
TB5 TB15
Unit
M1M2 S 1 2
Indoor Unit (IC)
Outdoor unit
(OC)
Main Remote
A B
Controller (RC)
152
Sub Remote
RC
Controller (RC)
(Sub)
a. Same as above.
b. Connect terminals M1 and M2 on transmission cable
terminal block (TB5) of the IC main unit with the most
recent address within the same indoor unit (IC)
group to terminal block (TB6) on the remote controller.
IC(Sub)
c. Set the address setting switch (on outdoor unit P.C.B)
02 as shown below.
Unit
TB5 TB15
IC (Main)
M1M2 S 1 2 2
IC (Sub)
Outdoor Unit
Main Remote
Controller
Sub Remote
Controller
d. Use the indoor unit (IC) within the group with the
most functions as the IC (Main) unit.
26
Setting Method
Range
—
001 to 050
Use the smallest
address of all the indoor
051 to 100
unit plus 50.
Indoor unit address plus
101 to 150
100.
Range Setting Method
001 to 050 —
Use the smallest
051 to 100 address of all the indoor
units plus 50.
101 to 150 Indoor unit address plus
100.
Indoor unit address plus
151 to 200
150.
Range
Setting Method
001 to 050 Use the smallest address within the
same group of indoor units.
Use an address, other than that of
the IC (Main) in the same group
001 to 050
of indoor units. This must be in
sequence with the IC (Main).
Use the smallest address of all the
051 to 100
indoor units plus 50.
Set at an IC (Main) address within
101 to 150
the same group plus 100.
Set at an IC (Main) address within
151 to 200
the same group plus 150.