Airwell ONG3-17 R410A, Service Manual

Page: 110 / 127

9. ELECTRICAL CONNECTION BETWEEN INDOOR AND OUTDOOR UNIT
Electrical requirements
Electrical wiring and connections should be made by qualified electricians and in accordance
with local electrical codes and regulation. The air conditioner units must be grounded.
The air conditioner unit must be connected to an adequate power outlet from a separate branch
circuit protected by a time delay circuit breaker, as specified on unit's nameplate.
Voltage should not vary beyond ±10% of the rated voltage.
1 . To connect the indoor unit to the outdoor unit uses the following electrical cables.
2. Prepare the cable ends for the power input and for the cables between outdoor and indoor
units as shown in figure 15a and 15b respectively.
Notes: The wire color code can be selected by the installer.
Electrical connections:
Fig.15a
Fig.15b
Cable between indoor and outdoor units
Fig.15 A. OUTDOOR B. INDOOR
1 5
Indoor unit cassette type
Power input cable
3. Connect the cable ends to the terminals of the indoor and outdoor units, as shown in fig 16.
4. Secure the multiple wire power cable with the cable clamps.
Power
supply
from
outdoor
unit
CAPACITY
Power
supply
from
indoor
unit
9000/12000 Btu/h
18000 Btu/h
Power cord
Cable between indoor and
outdoor unit (ST model)
Cable between indoor and
outdoor unit (RC model)
Power cord
Cable between indoor and
outdoor unit (ST model)
Cable between indoor and
outdoor unit (RC model)
Power cord
Cable between indoor and
outdoor unit (ST model)
Cable between indoor and
outdoor unit (RC model)
mm
2
mm
2
mm
2
mm
2
mm
2
mm
2
3G, 1 .0 3G, 1 .5 3G, 1 .0 3G, 1 .5
4G, 1 .0 4G, 1 .5
5G, 1 .0 5G, 1 .5
3G, 1 .0 3G, 1 .5
5G, 1 .0 5G, 1 .5
6G, 1 .0 6G, 1 .5
mm
2
2G,0.5
Low voltage cable (option)