Airwell K CassetteSeries, Service & Installation Manual

Page: 8 / 36

P a g e 6
INSTALLATION – cont.
Installation Wiring Connections. Power to outdoor generally <7kW.
Single Systems Single Phase.
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
E
Earth
L
N
Active
Outdoor Unit Indoor Unit
Power Supply to Outdoor Unit
5 Cores + Earth + two core sensor wires indoor to outdoor
Large Single Phase Units <7kW use 4mm
2
cable
Minimum. 14kW Ducted Single-Phase unit Requires
6mm
2
Cable Minimum!
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.