
57 SERVICE MANUAL FOR AMERICA
2 ELECTRICAL CONNECTION BETWEEN
OUTDOOR AND INDOOR 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 units 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 .Remove the power supply cable that is connected to the indoor unit!
2.To connect the indoor units to the outdoor units,use the following electrical cables.
Electrical connections:
Power input cable: 1 group 3 wiresX2.5mm
2
cable between indoor and
outdoor units:
1 group 4 wiresX 1.0mm
2
see Fig 6.7.8.9.10 for detail .
3.Prepare the cable ends for the power input and for the cables between outdoor and indoor units
as shown in figure 3a and 3b respectively.
4.Connect the cable ends to the terminals of the indoor and outdoor units , as show in fig4, figs.
Please select corresponding connection according to the different indoor units. 5.Secure the
multiple wire power cable with the cable clamps.
•Power input cable