Chiller Maintenance Schedule Air Cooled Glycol

Air Cooled Glycol Chiller Maintenance

Chiller Maintenance Schedule Air Cooled Glycol

Air Cooled Chiller Maintenance Schedule Bodger Watch

A chiller maintenance schedule is usually very good, but this is bodger watch!

We maintain the air cooled chillers in an office building. The customer told me there had been this guy who used to come who spent most of his time in the canteen- reading manuals on his lap top! 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!

Dosing Glycol Chillers

Our junior engineer rang me from a job the other week. Struggling to carry out glycol chiller maintenance. Get your refractometer out I said before you ring. We are teaching how to think for himself instead of just ringing everybody up. He came back with the result- too much glycol. The customer uses propylene even though the site is heavy industrial. This is because the price is narrowing between propylene and ethylene and propylene is not toxic

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Customer Dosing of Glycol

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

Glycol Removal

The glycol chiller was performed by telling my engineer to get half of it out into the empty drums that were still on site. The glycol can be used again in the future maintenance of the chilling plant. He then topped up the water system with water

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Clear Site

Last but not least all off our engineers give the machine a wipe down and the chiller location a sweep. Good house husbandry is a part of expert chiller maintenance

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Float valve on an industrial refrigeration machine

Industrial Refrigeration Maintenance

Industrial Refrigeration Maintenance of Float Valve

On a recent visit to a site in the South East, the industrial refrigeration maintenance of float valve was carried out. It was an easy job as the electronic part can be easily removed and replaced without breaking into the system. It works by detecting a level in the float chamber and operating the expansion valve solenoid coil

High Head Pressure

The call out had been to investigate a high head pressure issue. Our engineer arrived on site about 9 o clock and started to investigate the industrial refrigeration fault- a cup of coffee in hand. The machine started to load up and at around 70% it backed off with high lift warnings on the display. There was a low temperature drop on the liquid line between the float valve and the expansion valve- float valve failure. The float valve is stand alone as it will let anhydrous ammonia liquid through when it builds up- that is if it works of course

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Industrial Refrigeration Maintenance of Electronic Parts

Industrial refrigeration maintenance was carried out to the electronic parts with a straight swap

Slide Valve Sensor

A common kind of slide valve sensor on an industrial refrigeration system works by converting the length of the slide arm into 4-20mA. 4 being closed and 20 being open. To get it to work you have to set the minimum position on the slide arm with a lock nut- then set that to 0 in the program

Failed Slide Arm Electronics

A common fault is when the slide arm electronics fail, giving a stuck reading on the display. The chiller controls notice the abnormality and shut down the plant

Calibration

If the slide arm is okay, calibration can sort out the problem. In the program, the minimum and maximum positions can be set to ensure the smooth running of the plant, therefore maintenance can be kept to a minimum

Are you concerned with high maintenance costs and a tight budget? Maximus Chillers can relieve the stress- Click Here

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