Electra WNG 50 DCI Service Manual page 160

6
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
voltage.
1. Connect the power supply cable to the indoor
unit of WNG.
2. To connect the indoor unit to the outdoor unit use
the following electrical cables.
Electrical connections:
Power input cable:
Cable between
Indoor and outdoor units: 4 wires
3. Prepare the cable ends for the power input and
for the cables between outdoor and indoor units
as shown in figure 17a and 17b respectively.
4. Connect the cable ends to the terminals of the
indoor and outdoor units, as shown in fig. 18.
5. Secure the multiple wire power cable with the
cable clamps.
Fig.16
1. Terminal 2. Cover 3. Cable clamp
Fig. 16
NOTES:
1. The wire color code can be selected by the
installer.
10% of the rated
2
3 wires 2.5 mm
2
2.5 mm
Fig.18
1. Indoor unit terminal
2. Ground wire.
3. Indoor coil.
4. Power cable in the indoor side.
5. Multiple wire cable.
Power input cable
8
100
Cable between indoor and outdoor units
8
100
A
Fig.17 A. OUTDOOR B. INDOOR
3
8
N 4/L 5/C
A
Fig. 18
CONTENT
40
Fig. 17a
L 30 m
40
Fig. 17b
1
ESF-PWR
COOL
ESF-EN
HEAT
RESET
MODE
N
5/C 4/L
2
7
B
6
5
6. Cable clamp.
7. Outdoor unit wire terminal.
8. Power cable in the outdoor side
(only for outdoor unit power supply)
A. OUTDOOR B. INDOOR
8
8
B
L
4