LG Electronics 3828A20025V installation manual Final Check and Test Run

Page 19

Final Check and Test Run

Final Check and Test Run

After installing the unit, perform the final check and running test as follows:

Final check points

Is the unit securely mounted?

Is the installation location adequate?

Is the water piping work adequately and without leakage?

Are trapped drain lines installed at

condensate drain connections?

Has the refrigeration cooling cycle been kept sealed?

Is the electrical wiring adequate and are the screws tightened on terminals?

After the above final checkings, prepare the running test as follows:

Connect compound gauges to the check joints at discharge and suction sides of the compressor.

Turn all switches "OFF".

Turn the main switch "ON".

Running test should be accomplished as follows:

Set operation switch at "FAN" and the fan will start. Check to ensure that the fan sounds normal.

Next, set it at "COOL" and the compressor will start. Check to ensure that the compressor sounds normal.

Check discharge and suction pressure on the compound gauges.

Check working voltage, phase balance and running current.

Check to ensure that the thermistor functions properly.

Check to ensure that the high pressure control switch functions correctly.

Installation Manual 19

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Contents LG Floor Standing Type Air Conditioner Table of Contents Use the correctly rated breaker or fuse Always ground the productOperation Be sure the installation area does not deteriorate with ageUse two or more people to lift and transport the product Keep level even when installing the productSelection of the best location Installation of UnitPiping length and the elevation Outdoor unit Installation Indoor Unit InstallationRefrigerant amount Selecting the locationOutdoor Unit Installation guide at the seasideInstallation works Descriptions Installation MethodInstallation Parts, Tools Use Preparation of installation parts and toolsCut the pipes and the cable Preparation of PipingConnection of piping Precautions in bendingMove the indoor tubing and drain hose to the hole Connecting the Cable to Indoor Unit Connecting the cables to the outdoor unit Connecting pipings to the outdoor unitPower supply Power Supply and WiringVacuum Drying of the Connecting Pipes and the Indoor Unit Form the Piping Final Check and Test Run Memo Floor Standing type Air Conditioner