LG LP-10091CL/XL, Service Manual

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6.9 Final Check and Test Run
After installing the unit, perform the final check and run-
ning test as follows:
Final check points
①
Is the unit securely mounted?
②
Is the installation location adequate?
③ Is the water piping work adequately and without
leakage?
④
Are trapped drain lines installed at condensate
drain connections?
⑤ Has the refrigeration cooling cycle been kept
sealed?
⑥ Is the electrical wiring adequate and are the
screws tightened on terminals?
After the above final checkings, prepare the running
test as follows:
① Connect compound gauges to the check joints
at discharge and suction sides of the compres-
sor.
② Turn all switches "OFF".
③
Turn the main switch "ON".
Running test should be accomplished as follows:
①
Set operation switch at "FAN" and the fan will
start. Check to ensure that the fan sounds nor-
mal.
②
Next, set it at "COOL" and the compressor will
start. Check to ensure that the compressor
sounds normal.
③ Check discharge and suction pressure on the
compound gauges.
④
Check working voltage, phase balance and run-
ning current.
⑤
Check to ensure that the thermistor functions
properly.
⑥ Check to ensure that the high pressure control
switch functions correctly.