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CONNECTING ELECTRICAL WIRING (Cont.)
18-4 FILED CONNECTIONS ELECTRICAL WIRING
systems 53KHRT12 & 53KHRT18
Outdoor Unit
Main
Switch
Circuit
Breaker
Indoor Unit
LEGEND
Earth
1
Live power supply.
2
Neutral power supply.
Sizes of electrical wires
Model
L
3
53KHRT12
mm
mm
2
4
53KHRT18
mm
mm
2
NOTES
(1) Connect the power supply to the
indoor unit and then get the power
required for the outdoor unit from
the indoor unit.
(2) All dotted lines to be fitted by
installer.
(3) Refer to wiring diagrams and
stickers-caution sticked inside the
outdoor & indoor units.
Main Switch
LEGEND
L
N Neutral power supply.
1
2 Neutral connection indoor unit / outdoor unit
S
Sizes of electrical wires
N
1
2
3
3
3
53KHRT24
mm
mm
2
2
2
4
4
4
mm
mm
2
2
2
NOTES
(1) Connect the power supply to the outdoor unit and then
(2) All dotted lines to be fitted by installer.
(3) Refer to wiring diagrams and stickers-caution sticked
system 53KHRT24
Circuit Breaker
Earth
Live power supply.
Live connection indoor unit / outdoor unit.
Communication connection indoor unit / outdoor units
Model
L
4
mm
mm
2
get the power required for the indoor unit from the
outdoor unit.
inside the outdoor & indoor units.
43
Outdoor Unit
Indoor Unit
N
1
2
4
1
1
mm
mm
2
2
2
S
1
mm
2
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