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Example System With An Me Remote Controller; System With A Connection Of System Controller To Centralized Control Transmission Line - Mitsubishi Electric PURY-HP72 Service Handbook

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[2-8 Example System with an ME Remote Controller ]

2-8

Example System with an ME Remote Controller

2-8-1
System with a Connection of System Controller to Centralized Control
Transmission Line
(1) Sample control wiring
Leave the male
connector on
CN41 as it is.
SW5-1 OFF ON
OS
52
TB3
M1M2
TB7
M1M2
S
Leave the male
connector on
CN41 as it is.
SW5-1 OFF ON
OS
56
TB3
M1M2
TB7
M1M2
S
(2) Cautions
1) ME remote controller and MA remote controller cannot both
be connected to the same group of indoor units.
2) No more than 2 ME remote controllers can be connected to
a group of indoor units.
3) Do not connect the terminal blocks (TB5) on the indoor units
that are connected to different outdoor units with each other.
4) Replace the power jumper connector of the control board
from CN41 to CN40 on only one of the outdoor units.
5) Provide an electrical path to ground for the S terminal on the
terminal block for centralized control on only one of the out-
door units.
6) When the number of the connected indoor units is as shown
in the table below, one or more transmission boosters (sold
separately) are required.
To connect two transmission boosters, connect them in par-
allel. (Observe the maximum number of connectable indoor
units that are listed in the specifications for each outdoor
unit.)
When the P72 and P96 models are not
included in the connected indoor units
When the P72 and P96 models are in-
cluded in the connected indoor units
The left table shows the number of transmission boosters
HWE13080
L11
Move the male connector
from CN41 to CN40.
SW5-1 OFF ON
Group
OC
BC
51
53
TB3
TB02
M1M2
S
M1M2
TB7
M1 M2S
To be left
unconnected
To be connected
L21
Leave the male
connector on
CN41 as it is.
SW5-1 OFF ON
Group
OC
BC
55
57
TB3
TB02
M1M2
S
M1M2
TB7
To be left
M1M2
S
unconnected
To be left
unconnected
Note1
System controller
A B S
*1 When only the LM adapter is connected, leave SW5-1 to OFF (as it is).
*2 LM adapters require the power supply capacity of single-phase AC 208 - 230V.
Number of transmission booster
(sold separately) required
1 unit
2 units
3 units
15 - 34
35 - 50
-
units
units
11 - 26
27 - 42
43 - 50
units
units
units
Interlock operation with the ventilation unit
L12
Group
Group
IC
IC
01
02
TB5
TB15
TB5
TB15
TB5
M1M2
S
1 2
M1M2
S
1 2
M1M2
A1 B2
A1 B2
A1 B2
101
102
103
RC
RC
RC
L22
Group
IC
IC
04
05
TB5
TB5
TB15
TB5
TB15
M1M2
S
1 2
M1M2
S
1 2
M1M2
S
A1 B2
A1 B2
A1 B2
154
104
106
RC
RC
RC
that is required by the system with three BC controllers. For
each BC controller that is subtracted from the above-men-
tioned system, two additional indoor units can be connected.
Refer to the DATABOOK for further information about how
many booster units are required for a given system.
7) When a power supply unit is connected to the transmission
line for centralized control, leave the power jumper connec-
tor on CN41 as it is (factory setting).
(3) Maximum allowable length
1) Indoor/outdoor transmission line
Same as 2-7-3
2) Transmission line for centralized control
Same as 2-7-4
3) ME remote controller wiring
Maximum overall line length
2
(0.3 to 1.25mm
[AWG22 to 16])
m1 10m [32ft]
m2+m3 10m [32ft]
If the standard-supplied cable must be extended, use a
cable with a diameter of 1.25mm
of the cable that exceeds 10m [32ft] must be included in
the maximum indoor-outdoor transmission line distance
described in (1).
When connected to the terminal block on the Simple re-
mote controller, use cables that meet the following cable
size specifications: 0.75 - 1.25 mm
4) Maximum line distance via outdoor unit
2
(1.25 mm
[AWG16] or large)
Same as 2-7-4
- 46 -
LC
IC
03
07
TB15
TB5
S
1 2
M1M2
S
LC
IC
06
08
TB15
TB5
1 2
M1M2
S
2
[AWG16]. The section
2
[AWG18-16].
GB

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