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Mitsubishi Electric PURY-WP200 Service Manual page 43

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[ II Restrictions ]
3. Group operation of units in a system with multiple outdoor units
(1) Sample control wiring
L11
Leave the male
connector on
CN41 as it is.
SW2-1 OFF
OS
*1
52
TB3
M1 M2
TB7
M1 M2
S
To be left
unconnected
L21
Leave the male
connector on
CN41 as it is.
SW2-1 OFF
OS
*1
56
TB3
M1 M2
TB7
M1 M2
S
To be left
unconnected
(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 MA 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) Replacement of male power jumper connector (CN41)
must be performed only on one of the outdoor units.
5) Provide grounding to S terminal on the terminal block for
transmission line for centralized control (TB7) on only
one of the outdoor 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
parallel. (Observe the maximum number of connectable
indoor units that are listed in the specifications for each
outdoor unit.)
When the P200 and P250
models are not included in the
connected indoor units
When the P200 and P250
models are included in the
connected indoor units
HWE1113B
Move the male connector
from CN41 to CN40.
SW2-1 OFF
OC
HB
51
53
TB3
TB02
M1 M2
M1 M2
S
TB7
M1 M2
S
To be connected
Leave the male
connector on
CN41 as it is.
SW2-1 OFF
OC
HB
55
57
TB3
TB02
M1 M2
M1 M2
S
TB7
M1 M2
S
To be left
unconnected
*1. The figures above show a system to which two
outdoor units are connected, but only a single
outdoor unit can be connected in an HVRF
system.
Number of transmission boost-
er (sold separately) required
1 unit
2 units
27 - 50 units
-
21 - 39 units
40 - 50 units
L12
Group
Group
IC
IC
01
03
TB5
TB15
TB5
TB15
M1 M2
S
M1 M2
S
1 2
1 2
A1 B2
A1 B2
MA
MA
L22
Group
IC
IC
02
04
TB5
TB5
TB15
M1 M2
S
1 2
M1 M2
S
(3) Maximum allowable length
1) Indoor/outdoor transmission line
Maximum distance (1.25mm
L11+L12 200m [656ft]
L21+L22 200m [656ft]
2) Transmission line for centralized control
L31+L21 200m [656ft]
3) MA remote controller wiring
Same as [5] 1.
4) Maximum line distance via outdoor unit
2
(1.25mm
[AWG16] or larger)
L12(L11)+L31+L22(L21) 500m [1640ft]
- 34 -
Interlock operation with
the ventilation unit
Group
LC
IC
06
07
TB5
TB15
TB5
S
M1 M2
S
M1 M2
1 2
A1 B2
MA
IC
05
TB15
TB5
TB15
M1 M2
S
1 2
1 2
A1 B2
MA
2
[AWG16] or larger)
GB
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