LB-D2460HL - LG Air Conditioner Service Manual (repair manual). Page 23

• If you want to connect an additional drain hose,

the end of the drain-outlet should keep distance
from the ground. (Do not dip it into water, and fix
it on the wall to avoid swinging in the wind.) 

–23–

• The initial power supply must provide at least 90% of the rated voltage.

Otherwise, the air conditioner should not be operated.

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For test run, carry out the cooling operation firstly even during heating season. If heating operation
is carried out firstly, it leads to the trouble of compressor. Then attention must be paid.

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Carry out the test run more than 5 minutes without fail.
(Test run will be cancelled 18 minutes later automatically)

• The test run is started by pressing the room temperature checking button and down timer button for 3 sec-

onds at the same time.

• To cancel the test run, press any button.

• After completing work, be sure to measure and record trial run properties, and store measured data, etc.
• Measuring items are room temperature, outside temperature, suction temperature, blow out temperature,

wind velocity, wind volume, voltage, current, presence of abnormal vibration and noise, operating pressure,
piping temperature, compressive pressure.

• As to the structure and appearance, check following items.

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Is the circulation of air adequate?

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Is the draining smooth?

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Is the heat insulation complete

(refrigerant and drain piping)?

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Is there any leakage of refrigerant?

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Is the remote controller switch operated?

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Is there any faulty wiring?

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Are not terminal screws loosened?

M4...118N.cm{12kgf.cm}

M5...196N.cm{20kgf.cm}

M6...245N.cm{25kgf.cm}

M8...588N.cm{60kgf.cm}

Seal a small opening 
around the pipings 
with gum type sealer.

Trap

Trap is required to prevent water from entering 
into electrical parts.

Seal a small opening
around the pipings
with gum type sealer.

Drain hose

Taping

Pipings

Connecting
cable

Power supply
cord