Airwell K CassetteSeries, Service & Installation Manual

Page: 7 / 36

INSTALLATION – cont.
Installation Wiring Connections
Single Systems Single Phase
Indoor Unit Outdoor Unit
L
N
E
3
4
5
6
8
9
3
4
5
6
8
9
Neutral
Comp Active
RV Active
Fan Active
240 v A
240 v A
240 v A
240 v N
5 volt
5 volt
Outdoor coil-
defrost sensor
240 Volt
supply
Power Supply to Indoor Unit
E
Earth
4 Cores + Earth + two core sensor wires indoor to outdoor
Keep Low Voltage Sensor (5Volt) Cable Separate (100mm
away) from the Power Wiring or use shielded cable, to Avoid
Induction on the Sensor Cable and Unreliable Sensor
Operation.
Large Single Phase Units <7kW use 4mm
2
cable
Minimum. 14kW Ducted Single-Phase unit Requires
6mm
2
Cable Minimum!
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