Mitsubishi Electric CITY MULTI PQRY-P250 Installationshandbuch Seite 22

A. Example of a single-heat source-unit system (Shielding wires and address setting are necessary.)
Example of wiring control cables
1. Standard operation
L
1
OC
(51)
TB3 TB7
M1 M2 M1 M2 S
• One remote controller for each indoor
unit
• Inside ( ): Address
There is no need for setting the 100 po-
sition on the remote controller.
2. Operation Using Two Remote controllers
OC
(51)
TB3 TB7
M1 M2 M1 M2 S
• Using two remote control-
lers for each indoor unit.
3. Group operation
OC
(51)
TB3 TB7
M1 M2
M1 M2 S
• Two to five indoor units
operated together by one
remote controller
Combinations of 1 through 3 above are possible.
22
L
2
BC IC
(52) (01)
TB5
M1 M2 S
M1 M2 S
TB6
(101)
RC
BC IC
(52)
(01)
TB5
M1 M2 S M1 M2 S
TB6 TB6
(101) (151)
RC RC
A B
A Main Remote Controller
B Sub Remote Controller
A
IC
BC
(52) (01)
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
transmission cable block (TB3) for the heat source
unit (OC) to terminals M1 and M2 on the transmission
L
3
cable block (TB5) of each indoor unit (IC). Use non-
polarized two wire.
To ground the shielded wire, use cross-over wiring
IC
from the ground terminal
and terminal S on the indoor unit (TB5).
b. Connect terminals A and B on the transmission cable
(02)
block (TB4) for each indoor unit with the terminal block
TB5
M1 M2 S
(TB6) for the remote controller (RC).
c. Set the address setting switch as shown below.
* To set the heat source unit address to 100, the heat
source address setting switch must be set to 50.
Indoor Unit
TB6
(102)
Heat Source
RC
BC controller
Remote
controller
a. Same as above.
b. Same as above.
c. Set address switch as shown below.
* To set the heat source unit address to 100, the heat
IC
source address setting switch must be set to 50.
(02)
TB5
M1 M2 S
Indoor Unit
Heat Source
controller
TB6 TB6
(102) (152)
Main Remote
Controller
RC RC
A B
Sub Remote
Controller
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.
c. Set the address setting switch as shown below.
B
IC
* To set the heat source unit address to 100, the heat
source address setting switch must be set to 50.
(02)
TB5
M1 M2 S
IC (Main)
IC (Sub)
Heat Source
BC controller
Main Remote
Controller
Sub Remote
Controller
d. Use the indoor unit (IC) within the group with the most
functions as the IC (Main) unit.
Wiring Method and Address Setting
on the heat source unit
Unit Range Setting Method
01 to 50
Use the most recent address
51 to 100
Unit of all the indoor units plus 50.
Heat source unit
51 to 100
address plus 1.
Indoor unit address plus
101 to 150
100.
Unit Range Setting Method
01 to 50
Use the most recent
51 to 100 address of all the indoor
Unit
units plus 50.
BC Heat source unit
51 to 100
address plus 1.
Indoor unit address plus
101 to 150
100.
Indoor unit address plus
151 to 200
150.
Unit 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
Unit
plus 50.
51 to 100 Heat source unit address plus 1.
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.
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