Final Check And Test Run - LG UP48 Installation Manual

FINAL CHECK AND TEST RUN

14
FINAL CHECK AND TEST RUN
After installing the unit, perform the final
check and running test as follows:
Final check points
1
Is the unit securely mounted?
2
Is the installation location adequate?
3
Does the water piping work adequately
and without leakage?
4
Are trapped drain lines installed at conden-
sate 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
compressor.
2
Turn all switches "OFF".
3
Turn the main switch "ON".
Running test should be accomplished as fol-
lows:
1
Set operation switch at "FAN" and the fan
will start. Check to ensure that the fan
sounds normal.
2
Next, set it at "COOL" and the compressor
will start. Check to ensure that the com-
pressor sounds normal.
3
Check discharge and suction pressure on
the compound gauges.
4
Check working voltage, phase balance and
running current.
5
Check to ensure that the thermistor func-
tions properly.
6
Check to ensure that the high pressure
control switch functions correctly.