Chilled Water System Repair of Condenser

Chilled Water System Repair

Chilled Water System Repair of Condenser

Chilled Water System Condenser Beyond Repair

Chilled water system repair of condenser was required because the previous company had been chasing leaks round in a circle. Therefore, the customer had decided to buy a new condenser. This was our first job with a new Maintenance Contract, so we wanted to make a good impression

Condenser Removal on the Chilled Water System

There was no refrigerant in the chilled water system so our engineer cut the discharge and liquid line to the condenser. He then removed the rivets so the frame could be taken apart. Lifting equipment was fitted to the old condenser to aid the removal. Then, slings were fitted and a forklift truck removed the old condenser

Condenser Replacement on the Chilled Water System

Our engineer supervised the condenser replacement on the chilled water system. He found that the new condenser did not fit correctly. The new condenser was 5mm thicker than the old one. It was decided to lift it back out and angle grind the frame to make more room. Once this was completed, the new condenser fitted correctly and was bolted in place

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Chilled Water System Pipework Repair

The pipework had to be repaired and brazed in on the chilled water system. Then, the standard practice of a pressure test to ensure the integrity of the system

The Evacuation Process

Having passed the pressure test, our engineer set up the vac pump and started the evacuation process. This is to dehydrate the system by pulling a vacuum of less than 2 Torr. Any moisture in the system will boil away and leave the system dry

Recharge and Test Operation

The refrigerant is R410a. Our engineer put around half the charge in, then trimmed the remaining charge according to the superheat and subcooling values. He monitored the chilled water system for the rest of the day. He was looking for leaks as the plant was at operating pressures of 30 Bar. All was well, so the customer signed off the paperwork as he was pleased with the capability of our engineer

Read more about air cooled condenser installation at the Institute of Refrigeration Click Here


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Maximus Chillers

Maximus Chillers for centrifugal, water cooled, air cooled and ammonia chillers

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