Chilled Water System Maintenance

Chilled water system maintenance showing flow switch at 0 reading

Chilled Water System Maintenance

Maintenance of the Chilled Water System Flow Switch

The chilled water system flow switch requires regular maintenance due to a to build up of contaminants on the sensor. Over time, slime accumulates giving false readings. The problem is relatively easy to sort out: a wipe with a cloth.

Retrieving the sensor

The more difficult part is retrieving the sensor. It is fixed with a bolt into the chilled water system being maintained. Therefore, there is pressure inside the water system. This pressure is handled and the glycol drained into vessels.

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Checking the Fault Out Level

As you can see from the picture: there is a green light on 0. This indicates that the pump is off, not to be confused with pressure. With the pump on: the green lights go all the way up to 9 with the fault out level showing red on 7.

Maintaining the Chilled Water System Fault Out Level

Maintaining the chilled water system flow switch can be achieved with a terminal driver. Using the manual that comes with the flow switch: the buttons can pressed a number of times to 'self test' Also, the fault out level can be set.

Testing the Flow Switch

As part of the maintenance, the flow switch is manually tested using one of two methods. This ensures that the switch will function correctly when it needs to.

Maximus Chillers offers the whole package for the maintenance of your plant. With state of the art equipment and the best engineers- we complete the picture. Weather you have a small problem like the above mentioned flow switch, or a big problem like compressor failure- Maximus Chillers can help.

Any Chiller- Any Problem- Any Part- Any Refrigerant- Anywhere- The MAXIMUS ADVANTAGE™

Related Blogs:
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Air Cooled Chiller Maintenance

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Read more about flow measurement on Wikipedia


Air cooled chiller maintenance of two white chillers with green compressors

Air Cooled Chiller Maintenance

Air Cooled Chiller Maintenance Bodger Watch

We carry out air cooled chiller maintenance at an office building in the North West. Chiller maintenance is usually very good, but this is bodger watch! The customer told us that there had been this guy who used to come who spent most of his time in the canteen- reading manuals on his laptop! Not even the manuals for that site either! You couldn't make it up could you? What kind of a chiller maintenance schedule is that? They said he used to fix everyone's bathrooms in the evening to make up his pay! This is bodger watch!

Air Cooled Chiller Maintenance

One of our engineers rang the office from a site we look after the other week. He was struggling to carry out the maintenance- the antifreeze dosing. He was advised to use his testing instrument to assess the level in the water system. He came back with the result- too much antifreeze. The customer uses a non industrial antifreeze even though the site is heavy industrial. This is because the price is narrowing between industrial and non industrial antifreeze which is not toxic.

0161 370 7193

service@maximuschillers.com

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On Site Maintenance Engineer

The customer adding antifreeze is the usual course- it means their onsite engineer can keep on top of things. This onsite engineer was a little too keen though: he had been putting too much in.

Antifreeze Removal

Our pump out team was sent to site with their tanker and equipment. Then, the correct level of antifreeze was then charged into the system.

Clear Site

Last but not least, our engineer gave the machine a wipe down and the chiller location a sweep- good house husbandry costs nothing.

For the efficient running of your plant- choose Maximus Chillers.

Any Chiller- Any Problem- Any Part- Any Refrigerant- Anywhere- The MAXIMUS ADVANTAGE™

To read more about air cooled chiller maintenance click the Tag at the top of the page.

Related Blogs:
R134a Chilling Plant Maintenance

Water Chiller Maintenance

Air Cooled Chiller Planned Maintenance

Process Chiller Maintenance Visit

Chilled Water System Maintenance

Centrifugal Chiller Maintenance

Industrial Chiller Maintenance

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