Air Source Screw Water Chiller Unit – Installation Operation and Maintenance Manual
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On this page, you can view the following information:
Type of the refrigerant used in the unit, running time of the compressor and pump, and remaining time
for heating up the oil in the compressor.
Whether the unit generates an alarm, whether the compressor startup temperature is met, and
whether the compressor startup failure is caused by insufficient restart delay.
Whether the compressor unload failure is caused because the shortest running time of the unit is not
reached.
Unit running status (25%, 50%, 75%, or 100%)
Residual electricity of the PLC battery
Notes:
To start the unit, ensure that the following conditions are met:
(1) Restart Delaying must be set to NO. If it is set to YES, the startup delay is not reached.
(2) Water Temp. Allow Compressor Start must be set to YES. If it is set to NO, the current temperature
does not meet the compressor startup condition.
(3) Remaining Oil Heating must be set to 0. If it is set to a value larger than 0, the oil of the unit is being
heated.
To shut down the unit, ensure that the following condition is met:
Min. Running Time Elapsed must be set to YES. If it is set to NO, the shutdown delay is not reached.
Click PgDn to enter the page shown in the following figure.
