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