Maximus Chillers recently carried out process chiller maintenance to an Italian machine.

Process Chiller Maintenance for Water Level Sensor

The process chiller has a water treatment schedule, but the water level sensor needed maintenance. This is because the three probes of the sensor were not completing continuity. The probes complete the continuity from the wire going into the sensor, along the probe, then to another wire back to the controls of the chiller.

Low Water Probe

If the controls loose continuity to the low water probe, the alarm is triggered and a call out is arranged to resolve the issue.

Correct Level Probe

In normal operation, the correct level probe is activated and the chiller runs as normal.

High Water Level Probe

Should the high water level probe be activated, again the alarm is triggered and a call out arranged.

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Process Chiller Maintenance Call Out

As we were already on site to carry out the maintenance, there was no need to arrange a call out. We soaked the sensor for an hour in a special a decontamination chemical that has been designed to restore the probes. That done, the rest of the maintenance was carried out including the tightening of the wiring and motor connectors. It was possible to do this on this visit as the factory was not in production.

Run Testing

All readings around the chiller were taken when the factory went back into production. We found the fridge system to be working with optimum efficiency, meaning that the chiller will use the optimum amount of electricity. Efficiency is a great concern to a factory as they want to reduce their carbon footprint as much as possible.

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