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Mitsubishi Electric PURY-(E)P200 Service Handbook page 41

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[ II Restrictions ]
4. A system in which a system controller is connected to the transmission line for centralized control and which is pow-
ered from an outdoor unit
(1) Sample control wiring
Leave the male
connector on
CN41 as it is.
SW2-1 OFF
OS
52
TB3
M1M2
TB7
M1M2
S
Leave the male
connector on
CN41 as it is.
SW2-1 OFF
OS
56
TB3
M1M2
TB7
M1M2
S
(2) Cautions
1)
M-NET 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 per-
formed only on one of the outdoor units.
5)
Short-circuit the shield terminal (S terminal) and the earth terminal (
) on the terminal block for transmission line for centralized control
(TB7) on the outdoor unit whose power jumper connector is mated
with CN40.
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 in-
door units
HWE07130
L11
CN41 CN40 Replace
SW2-1 OFF
OC
BC
51
53
TB3
TB02
M1M2
M1M2
S
TB7
M1M2
S
Not
Connect
Connect
L21
Leave the male
connector on
CN41 as it is.
SW2-1 OFF
OC
BC
55
57
TB3
TB02
M1M2
M1M2
S
TB7
Not
M1M2
S
Connect
Not
Connect
Note1
System controller
A B S
Number of transmission booster
(sold separately) required
1 unit
2 units
27 - 50 units
-
21 - 39 units
40 - 50 units
L12
Group
Group
IC
IC
01
02
TB5
TB15
TB5
TB15
M1M2
M1M2
S
1 2
S
1 2
A
B
A
B
1
2
1
2
MA
MA
L22
Group
IC
IC
04
05
TB5
TB5
TB15
TB15
M1M2
S
1 2
M1M2
S
1 2
A
B
1
2
MA
m3
Note1 When only the LM adapter is connected,
leave SW2-1 to OFF (as it is).
Note2 LM adapters require the power supply
capacity of single-phase AC 220 - 240V.
The left table shows the number of transmission boosters
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.
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 [5] 3.
2) Transmission line for centralized control
Maximum line distance via outdoor unit
2
(1.25mm
[AWG16] or larger)
L32+L31+L12(L11)
L32+L22(L21)
L12(L11)+L31+L22(L21)
3) MA remote controller wiring
Same as [5] 1.
- 32 -
Interlock operation with
the ventilation unit
Group
LC
IC
03
07
TB5
TB15
TB5
M1M2
S
1 2
M1M2
S
A
B
1
2
MA
Group
LC
IC
08
06
TB5
TB5
TB15
M1M2
M1M2
S
S
1 2
A
B
1
2
MA
500m [1640ft]
500m [1640ft]
500m[1640ft]
GB
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