Outdoor Unit Electrical Connections - LG LC098HV Installation Manual

Connecting Outdoor Unit Wiring, continued.
3. Confirm that electrical power supply capacity will be sufficient to
run the unit. Verify that a circuit breaker and service disconnect
are installed. See the Electrical table in the Product Data section
for details on electrical requirements.
WARNING
Per code, install a main indoor breaker, and an outdoor service discon-
nect that interrupts all power sources simultaneously. There is risk of
4. Confirm that the right gauge size is used for all wiring. Follow all
federal, state, and local codes related to wiring.
5. Guide the power wiring to the outdoor unit, and communications
/ connection (power) cable from the outdoor unit to the indoor
unit, through the conduit holes on the outdoor unit or control box
cover (see images at right and on the next page). If using rubber
bushings, ensure that they are properly installed, or use conduits
to protect the wiring and cable.
6. Using a JIS screwdriver, connect wires as shown. See also in-
door unit wiring diagram, and outdoor unit wiring diagram on the
inside of its chassis cover.
• Each wire must be individually and securely attached to each
terminal.
WARNING
Loose, damaged, or cracked wires will cause electric shock, bodily
injury and / or death.
NOTE
Loose wires can cause the wiring to burn out, damaging the outdoor
unit.
• Secure wiring / cables with cable ties.
• Pay attention to the location / connection of the ground cable.
• Maintain a minimum of 1/4 inches of wire length from terminal
block to cable bundle.
7. When finished, reattach the piping / control box cover or side
panel / control box cover (depends on model) to the outdoor unit
with the screws.
ELECTRICAL SYSTEM INSTALLATION
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.

Outdoor Unit Electrical Connections

Figure 72: Accessing LUU180-240HV Outdoor Unit Wiring Connections.
Cable Clamp
Figure 73: Accessing LUU360-420HV Outdoor Unit Wiring Connections.
Figure 74: Example of Conduit.
Do not install power wiring to the outdoor unit and the communica-
tion / connection (power) cable to the indoor unit in the same conduit.
Use separate conduits. Communication problems will occur.
Figure 75: Outdoor Unit Electrical Connections.
Communication /
Connection
(Power) Cable
Terminal
Power Wiring Terminal
* Ensure the rubber bushings are
properly installed in the access holes.
Power Wiring
Terminal
Communication / Connection
(Power) Cable Terminal
Cable Clamp
* Ensure the rubber bushings are
properly installed in the access holes.
Power Wiring Terminal
Communication / Connection
(Power) Cable Terminal
53