System Control - Mitsubishi Electric PUMY-P112VKM4 Technical & Service Manual

7-5. SYSTEM CONTROL

7-5-1. Example for the System
• Example for wiring control cables, wiring method and address setting, permissible lengths, and the constraint items are listed
in the standard system with detailed explanation.
A. Example of an M-NET remote controller system (address setting is necessary.)
Example of wiring control cables
1. Standard operation
L
1
OC
(51)
TB3 TB7
M1 M2 S M1 M2 S
(101)
M-NET RC
• 1 M-NET remote controller for each
• There is no need for setting the 100 position on the M-NET
remote controller.
2. Operation using 2 M-NET remote controllers
OC
(51)
TB3 TB7
M1 M2 S M1 M2 S
A B
(101)
M-NET RC
(Main)
• Using 2 M-NET remote controllers for each CITY MULTI series
indoor unit
3. Group operation
Group A
OC
(51)
TB3 TB7
M1 M2 S M1 M2 S M1 M2 S
A B
(101)
M-NET RC
• Multiple CITY MULTI series indoor units operated together
by 1 M-NET remote controller
Combinations of 1 through 3 above are possible.
OCH673D
L
2
M-IC M-IC
(01) (02)
TB5 TB15
TB5 TB15
1 2 1 2
M1 M2 S M1 M2 S
A B A B
(102)
M-NET RC
indoor unit
CITY MULTI series
M-IC M-IC
(01) (02)
TB5 TB15 TB5 TB15
1 2 1 2
M1 M2 S M1 M2 S
A B A B A B
(151) (102) (152)
M-NET RC M-NET RC M-NET RC
(Sub) (Main) (Sub)
M-IC(Main) M-IC(Sub)
(01) (02)
TB5 TB15 TB5 TB15
1 2 M1 M2 S 1 2
Wiring Method and Address Setting
a. Use feed wiring to connect terminals M1 and M2 on trans-
mission cable block (TB3) for the outdoor unit (OC) to ter-
minals M1 and M2 on the transmission cable block (TB5)
of each CITY MULTI series indoor unit (M-IC). Use non-
polarized 2-core wire.
b. Connect terminals M1 and M2 on transmission cable terminal
block (TB5) for each indoor unit with the terminal block (TB6)
for M-NET the remote controller (M-NET RC).
c. Set the address setting switch (on outdoor unit P.C.B) as
shown below.
Unit Range
CITY MULTI series
001 to 050
indoor unit (M-IC)
Outdoor unit (OC) 051 to 100
M-NET Remote
101 to 150 Indoor unit address plus 100
controller (M-NET RC)
a. Same as above 1.a
b. Same as above 1.b
c. Set address switch (on outdoor unit P.C.B) as shown
below.
Unit Range
CITY MULTI series
001 to 050
indoor unit (M-IC)
Outdoor unit (OC) 051 to 100
Main M-NET Remote
Controller (M-NET 101 to 150 Indoor unit address plus 100
RC)
Sub M-NET Remote
Controller (M-NET 151 to 200 Indoor unit address plus 150
RC)
a. Same as above 1.a
b. Connect terminals M1 and M2 on transmission cable terminal
block (TB5) of the M-IC main unit with the most recent address
within the same CITY MULTI series indoor unit (M-IC) group to
terminal block (TB6) on the M-NET remote controller.
c. Set the address setting switch (on outdoor unit P.C.B) as
shown below.
Unit Range
M-IC (Main) 001 to 050
M-IC (Sub) 001 to 050
Outdoor unit 051 to 100
Main M-NET
101 to 150 Set at an M-IC (Main) address within
Remote Controller
(M-NET RC)
d. Use the CITY MULTI series indoor unit (M-IC) within the
group with the most functions as the M-IC (Main) unit.
42
Setting Method
—
Use the smallest address of all the
indoor unit plus 50.
Setting Method
—
Use the smallest address of all the
indoor units plus 50.
Setting Method
Use the smallest address within the
same group of CITY MULTI series
indoor units.
Use an address, other than that of the
M-IC (Main) from among the units within
the same group of indoor units. This must
be in sequence with the M-IC (Main).
Use the smallest address of all the
CITY MULTI series indoor units plus
50.
the same group plus 100.