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Transmission
and Power
wiring must be
as Figure 20.
Earth wire from field
fi
x
ed
b
y Earthing screw
provided in
A
ccessories
Figure 20
• Power wiring and earth wires
Open the electrical component box cover.
Then, lead the electric wires into the air conditioner though
electric-wire-through part and connect them to the terminal
block 3P. In addition, be sure to gather the wiring protective
sleeves into the electrical component box.
• Remote controller wiring and transmission wiring
Lead the electric wires into the air conditioner though
electric-wire-through part and connect them to the
terminal block 6P. In addition, be sure to gather the wiring
protective sleeves into the electrical component box.
[Wiring example]
-&
Caution----------------
• The electric wires must be passed through the electric
wire-through part.
• Wrap the sealing material @) to the strong current and weak
current electric wires as the figure below.
System 1
Power supply
Single phase
~220-240V
50
/6
0Hz
L N
H
[Sealing material's wrapping method]
1 remote controller controls 1 indoor unit
Power supply
Single phase
~ 220-240V
50
/6
0Hz
Power supply
Single phase
~ 220-240V
50
/6
0Hz
Remote controller
(optional accessory)
Remote controller
(optional accessory)
Remote controller
(optional accessory)
Figure 21
System 2 Group control or 2 remote controllers control
1 indoor unit
Power supply
Single phase
~220-240V
50
/6
0Hz
L N
H
Outdoor unit
i - -
, � I Note: No need to input the indoor unit address during group control.
L_ _ J
(After turning on the power supply, it will be set automatically.)
Remote controller For group control For two
(optional accessory) remote controllers' control
Remote controller Remote controller
,(optional accessory)1
2 remote controllers
Figure 22
System 3 When equipped with a BS unit
Power supply
control 1 unit
Single phase
~ 220-240V
Outdoor unit
BS unit
50
/6
0Hz
I - - --,
Remote controller
(optional accessory)
Figure 23
[Note]
1. If there is no need to install the earth leakage circuit
breaker: mount the line breaker or load switch with fuse.
If there is a need to install the earth leakage circuit
breaker: mount the earth leakage circuit breaker
compatible with appliances for grounding, over load
and short circuit protection.
2. The remote controller wiring (P1 and P2) and
transmission wiring (F1 and F2) is of no polarity.
<Precautions to power wiring connection>
• Never connect two wires of different size to the same power
supply terminal. (Loose electric wire connection may cause
abnormal heating.)
• When connecting to the terminal blocks, use the circular
terminal with insulation sleeve. If not available, connect
the wires of the same size to the sides respectively as
shown in the figure.
Insulation sleeve
Circular terminal
Power wiring
11
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