System Control - Mitsubishi Electric PUMY-P100VHMB 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 1 single outdoor unit and multiple outdoor units for M-NET remote control
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
• Using 2 remote controllers
for each indoor unit.
3. Group operation
OC
51
TB3 TB7
M1M2 S A B
• Multiple indoor units operated
together by 1 remote controller
Combinations of 1through 3 above are possible.
system.
Use 1 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
S M1M2 S 1 2
A B A B
101 151
RC RC
(Main) (Sub)
IC(Main)
01
TB5 TB15
S M1M2 S 1 2
A B
101
RC
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 cable
02
terminal block (TB5) for each indoor unit with the
TB5 TB15
terminal block (TB6) for the remote controller (RC).
M1M2 S 1 2
c. Set the address setting switch (on outdoor unit P.C.B)
as shown below.
Unit
A B
Indoor unit (IC)
102
Outdoor unit
RC
(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.
Unit
TB5 TB15
M1M2 S 1 2
Indoor Unit (IC)
Outdoor unit
(OC)
Main Remote
A B A B
Controller (RC)
102 152
Sub Remote
RC RC
Controller (RC)
(Main) (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.
TB5 TB15
Unit
M1M2 S 1 2 2
IC (Main)
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.
31
Wiring Method and Address Setting
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
001 to 050
Use the smallest
051 to 100 address of all the indoor
units plus 50.
Indoor unit address plus
101 to 150
100.
Indoor unit address plus
151 to 200
150.
Range
Use the smallest address within the
001 to 050
same group of indoor units.
Use an address, other than that of
the IC (Main) from among the units
within the same group of indoor
001 to 050
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.
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Setting Method
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Setting Method