Refrigerant Piping Connections. LG LSU363HLV3

REFRIGERANT PIPING CONNECTIONS

Installation Overview

Installation

Single Zone 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.

Figure 33: Installation and Piping Connection Overview (Appearances Will Vary

Depending on Model).

Installation Plate

Air Filter

This 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.

Bottom Cover

Field-Supplied Sleeve

Field-Supplied Sealant

Bend the piping as closely to the wall as possible, but do not break it.

Refer back to the tables within the “Connection Limitations” section for specific length limitations in conjunction with outdoor unit and indoor unit positioning.

Vapor (Gas)

Pipe (Larger Pipe)

Liquid Pipe (Smaller Pipe)

Field-Supplied Clamp

• When proceeding with piping connections, adhere to

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WRWKH³3LSH6XSSRUWV´VHFWLRQIRULQIRUPDWLRQRQXVLQJ 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.

Wiring Cable Access Holes

Vapor (Gas) Service Valve

Liquid Service Valve

Drain Hose

Power Wiring /

Communication (Connection) Cable

(Vapor [Gas] / Liquid) Service Valve Caps

System refrigerant piping, drain hose extensions, and power wiring / communications cables must be field supplied.

32

Due to our policy of continuous product innovation, some specifications may change without notification.

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