Mitsubishi Electric CITY MULTI PUHY-P-YMF-B Installation Manual page 26

A. Example of a single-outdoor-unit system (Shielding wires and address setting are necessary)
Example of Wiring Control Cables
1. Standard Operation
OC
(51)
TB3 TB7
M1 M2 M1 M2 S
• One remote controller for each in-
door unit.
• Inside ( ) Address: There is no
need for setting the 100 position on
the remote controller.
2. Operation Using Two Remote controllers
OC
(51)
TB3 TB7
M1 M2 M1 M2 S M1 M2 S
• Using two remote
controllers for
TB6
each indoor unit.
(101)
RC
A
3. Group Operation
OC
(51)
TB3 TB7
M1 M2
M1 M2 S
• Operating multiple indoor units
using one remote controller.
Combinations of 1 through 3 above are possible.
26
L L
1 2
IC
(01)
TB5
M1 M2 S
TB6
(101)
RC
IC IC
(01) (02)
TB5 TB5
M1 M2 S
TB6 TB6 TB6
(151) (102) (152)
RC RC RC
B A B
A
IC
(01)
TB5 TB5
M1 M2 S M1 M2 S
TB6
(101)
RC
A Main
B Sub
a. Use feed wiring to connect terminals M1 and M2 on transmis-
sion 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 two wire.
IC
To ground the shielded wire, use cross-over wiring from the
ground terminal
indoor unit (TB5).
(02)
b. Connect terminals M1 and M2 on the transmission cable block
TB5
M1 M2 S
(TB5) for each indoor unit with the terminal block (TB6) for the
remote controller (RC).
c. Set the address setting switch as shown below.
* To set the outdoor unit address to 100, the outdoor address
setting switch must be set to 50.
Unit
TB6
Indoor Unit
(102)
RC
Outdoor Unit
Remote Controller
a. Same as above
b. Same as above
c. Set the address switch as shown below.
* To set the outdoor unit address to 100, the outdoor address
setting switch must be set to 50.
Unit
Indoor Unit
Outdoor Unit
A Main Remote
Controller
B Sub Remote
Main Remote Controller
Controller
Sub Remote Controller
a. Same as above
b. Connect terminals M1 and M2 on transmission cable terminal
B
block (TB5) of the IC main unit with the most recent address
IC
within the same indoor unit (IC) group to terminal block (TB6)
on the remote controller.
(02)
c. Set the address setting switch as shown below.
* To set the outdoor unit address to 100, the outdoor address
setting switch must be set to 50.
Unit
IC (Main)
IC (Sub)
Outdoor Unit
Main Remote
Controller
Sub Remote
Controller
d. Use the indoor unit (IC) within the group with the most func-
tions as the IC (Main) unit.
Wiring Method and Address Setting
on the outdoor unit and terminal S on the
Range Setting Method
01 to 50 —
Use the most recent
51 to 100 address of all the indoor
units plus 50
Indoor unit address plus
101 to 150
100
Range Setting Method
01 to 50
Use the most recent
51 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 Setting Method
Use the most recent ad-
01 to 50 dress within the same group
of indoor units
Use an address, other than
that of the IC (Main) from
among the units within the
01 to 50
same group of indoor units
This must be in sequence
with the IC (Main)
Use the most recent ad-
51 to 100
dress of all the indoor units
plus 50
Set at an IC (Main) address
101 to 150
within the same group plus
100
Set at an IC (Main) address
151 to 200
within the same group plus
150
—