Checking For Leaks / Bundling - LG LC098HV Installation Manual

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Engineering manual (79 pages)

Table Of Contents

Table of Contents

Checking the Indoor Unit and Drain

Piping for Leaks

To test the flexible drain hose and field-supplied drain

piping:

• Connect the flexible drain hose to the field-supplied drain piping

(that drains to the outside).

• Pour water into the flexible drain hose and check for leaks.

• Repair any leaks if necessary.

To test the evaporator:

• Remove air filter, if present.

• Connect the flexible drain hose to the indoor unit drain port.

• Spray one (1) or two (2) glasses of water on the evaporator. Verify

the water flows out of the drain hose without leaks.

• Repair any leaks if necessary.

• After power wiring installation is complete, operate the drain pump

to see if it sounds and functions properly.

Bundling

If a conduit or piping set cover is not used on the connection from

the outdoor unit to the interior, bundle both separately insulated

refrigerant pipes, the drain hose, and outdoor unit to indoor unit

communication / connection (power) cable together with wide vinyl

tape.

1. Both piping must be fully and separately encased in insulation

material: Overlap the field installation piping insulation material

and the indoor unit piping insulation material. Verify that any

insulation material cutting lines are placed upward.

2. Bind together the two pipes, using narrow vinyl tape. Make sure

there are no gaps during the binding.

3. Continue to wrap the indoor unit pipe as connected to the outdoor

connection pipe.

4. Using a wider vinyl tape, bundle the piping and drain hose togeth-

er, if applicable. Install the wider vinyl tape from the bottom up.

• Tape must be sufficient to cover the piping in order to fit into the

rear piping housing area at the back of the indoor unit.

NOTE

• Always include insulation on all refrigerant and drain hose to en-

sure condensate does not form and cause damage to walls, floors,

etc.

• Positioning the drain hose at the top of the bundle can cause con-

densate to overflow from the drain pan in the inside of the indoor

unit.

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

CONDENSATE PIPING