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[ II Restrictions ]
[6] An Example of a System to which an ME Remote Controller is connected
(1) Sample control wiring
Leave the male
connector on CN41 as it is.
SW2-1 OFF ON
OS
52
TB3
M1 M2
TB7
M1 M2
S
Leave the male
connector on CN41 as it is.
SW2-1 OFF ON
OS
55
TB3
M1 M2
TB7
M1 M2
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 3 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 outdoor units.
6) A transmission booster is required in a system to which
more than 16 indoor including one or more indoor units
of the 200 model or above are connected.
7) When a power supply unit is connected to the transmis-
sion line for centralized control, leave the power jumper
connector on CN41 as it is (factory setting).
HWE08110
L11
CN41
CN40 Replace
SW2-1 OFF ON
Group
OC
IC
51
01
TB3
TB5
TB15
M1 M2
M1 M2
S
1 2
TB7
M1 M2
S
Not
connect
A B
Connect
101
RC
L21
Leave the male
connector on CN41 as it is.
SW2-1 OFF ON
Group
OC
54
TB3
M1 M2
TB7
M1 M2
S
Not
connect
Not
connect
A B
154
RC
Note1
System controller
A B S
Interlock operation with
the ventilation unit
L12
Group
Group
IC
02
TB5
TB15
TB5
M1 M2
S
1 2
M1 M2
A B
A B
102
103
RC
RC
L22
Group
IC
IC
04
05
TB5
TB5
TB15
TB15
TB5
M1 M2
S
1 2
M1 M2
S
1 2
M1 M2
A B
A B
104
106
RC
RC
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.
(3) Maximum allowable length
1) Indoor/outdoor transmission line
Same as [5] 3.
2) Transmission line for centralized control
Same as [5] 4.
3) ME remote controller wiring
Maximum overall line length
(0.3 to 1.25mm
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
(1.25mm
[AWG16] or more)
Same as [5] 4.
- 36 -
LC
IC
03
07
TB15
TB5
S
1 2
M1 M2
S
LC
IC
06
08
TB5
TB15
M1 M2
S
S
1 2
2
[AWG22 to 16])
2
[AWG16]. The section
2
[AWG18-14].
GB
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