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36
Single Zone Mega, Standard Eciency, and Mega 115V Wall Mounted Installation Manual
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.
REFRIGERANT PIPING CONNECTIONS
Installation Overview
Figure 38: Installation and Piping Connection Overview (Appearances Will Vary
Depending on Model).
Installation
Single Zone Mega, Standard Efficiency, and Mega
115V Wall-Mounted systems are one-to-one systems.
There is a direct piping connection between the
outdoor unit and the indoor unit. The figure at right
illustrates the basic pipe connections between the
outdoor and indoor unit. Refer to the illustration when
proceeding with pipe connections.
The illustration shows the indoor unit being installed at
a higher position than the outdoor unit. However, if the
outdoor unit is installed at a higher position than the
indoor unit, the basic pipe connections are the same.
Refer to the “Connection Limitations” section for
specific length limitations in conjunction with outdoor
unit and indoor unit positioning.
• When proceeding with piping connections, adhere to
pipe support spacing lengths as shown in the General
Refrigerant Piping System Information section. Refer
to the “Pipe Supports” section for information on
using clamps and pipe support materials.
• Always adhere to local codes regarding piping and
accurate support spacing along the piping system.
• Always include insulation on all refrigerant and drain
piping to ensure condensate does not form and
cause damage to walls, floors, etc.
Connecting Cable
Vinyl tape (Wide)
Saddle
Gas Piping
Liquid Piping
Additional Drain Pipe
Vinyl Tape (Narrow)
Drain Hose
Installation Plate
Sleeve
Bushing-Sleeve
Sealant
• Install after drainage test.
• For the drainage test,
remove the air filters and
pour water into the heat
exchanger.
Bend the pipe as closely
to the wall as possible,
but be careful not to break it.
Additional field-provided accessories /
parts / tools that are needed for
installation.
Air Intake Vents
Air Outlet Vents
Base Plate
Front Grille
On/Off Button
Signal Receiver
Display
Air Deflector
(Vertical Louver & Horizontal Vane)
Air Outlet
Air Filter
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