LG LS091HSV3 Installation Manual page 34

Single zone high efficiency, standard, extended pipe, and mega wall mounted

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GENERAL INSTALLATION GUIDELINES

Piping Support, Elbow Usage

Pipe Supports, continued.

A properly installed pipe system will have sufficient supports to avoid pipes from sagging

during the life of the system. As necessary, place supports closer for segments where

potential sagging could occur. Maximum spacing of pipe supports shall meet local codes.

If local codes do not specify pipe support spacing, pipe shall be supported:

• Maximum of five feet (5 ) on center for straight segments of pipe up to 3/4" outside

diameter size.

• Maximum of six feet (6 ) on center for pipe up to one inch (1 ) outside diameter size.

• Maximum of eight feet (8 ) on center for pipe up to two inches (2 ) outside diameter size.

Wherever the pipe changes direction, place pipe clamps within twelve (12) inches on

one side and within twelve to nineteen (12 to 19) inches of the bend on the other side as

shown in Figure 37.

Pipe Sleeves at Penetrations

LG requires that all pipe penetrations through walls, floors, and pipes buried underground be properly insulated and routed through an

appropriate wall sleeve of sufficient size to prevent compression of refrigerant pipe insulation and free movement of the pipe within the sleeve

(Figure 38). Underground refrigerant pipe shall be routed inside a protective sleeve to prevent insulation deterioration. Refer to Figure 39.

Figure 38: Pipe Sleeve Options.

Diameter of penetrations shall be determined by pipe diameter plus the thickness of the insulation.

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

Figure 37: Typical Pipe Support Location—

Change in Pipe Direction

Pipe

Clamps

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