LG Electronics 3828A20025V Air Conditioner User Manual


 
Final Check and Test Run
Installation Manual 19
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.
Final Check and Test Run