Electrical Connections; Electrical Connections - LG Art Cool PREMIER Engineer's Manual

outdoor unit Electrical Connection
Procedure
1. Remove the conduit cover from the unit by
loosening the fastening screws (Figure 24).
2. Take off the caps on the conduit panel.
3. Connect both the power supply and low volt-
age lines to the corresponding terminals on the
terminal block.
4. Be sure to ground the unit by following local
codes.
5. Allow for enough length (add several inches)
for each wiring.
6. Secure the cable with the cord clamp.
7. Secure conduit tubes with lock nuts.
8. Refix the control cover to the original position
with the fastening screw.
Always use a circuit breaker or time delay fuse when con-
necting electrical wiring to the unit (Figure 25).
• Comply with local codes while running wire
from the indoor unit to the outdoor unit.
• Be sure to connect wire firmly.
• Separately wire the high and low voltage lines.
• Use heat-proof electrical wiring capable of
withstanding temperatures up to 167°F.
• Use outdoor and waterproof connection
cable rated up to 300V for the connection
between indoor and outdoor unit.
• Do not allow wire to touch refrigerant tubing,
the compressor or any moving parts.
Due to our policy of continuous product innovation, some specifications may change without notification.

ElECtriCal ConnECtionS

Figure 24: Electrical Connection to outdoor Unit
Terminal Block
Figure 25: Circuit Breaker/Time Delay Fuse Connection
Main Power Source
Air
Conditioner
1(L1) 2(L2) 1(L1) 2(L2) 3
Cord clamp
Power
Power
connecting
cord
cable
Conduit cover
Tubing cover
Circuit Breaker
Use a circuit breaker
Or time delay fuse
TeCHnICAL dATA | 43