Refrigerant Piping Connections; Installation Overview - LG LS180HEV2 Installation Manual

Installation
Single Zone Mega and Mega 115V Wall-Mounted sys-
tems 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 con-
nections 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 be installed at a higher position than the
indoor unit, the basic pipe connections are the same.
Refer to the "Connection Limitations" section for spe-
cific 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
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.

REFRIGERANT PIPING CONNECTIONS

Figure 38: Installation and Piping Connection Overview (Appearances Will Vary De-
pending on Model).
Additional field-provided accessories /
parts / tools that are needed for
installation.
Air Intake Vents
Due to our policy of continuous product innovation, some specifications may change without notification.
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Air Filter
Saddle
Air Outlet Vents
Base Plate

Installation Overview

Installation Plate
Sleeve
Bushing-Sleeve
Sealant
Bend the pipe as closely
to the wall as possible,
but be careful not to break it.
Vinyl tape (Wide)
• Install after drainage test.
• For the drainage test,
pour water into the heat
exchanger.
Gas Piping
Liquid Piping
Additional Drain Pipe
Vinyl Tape (Narrow)
Drain Hose
Connecting Cable
35