Final Check And Test Run - LG LP-10091CL/XL Service Manual

6.9 Final Check and Test Run

After installing the unit, perform the final check and run-
ning 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 compres-
sor.
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 nor-
mal.
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 run-
ning current.
Check to ensure that the thermistor functions
properly.
Check to ensure that the high pressure control
switch functions correctly.
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