Chiller Maintenance and Testing Refrigerant Charge Health Check

Routine maintenance of industrial chillers is required to maintain high uptime and extend the useful life of the asset. A nice bonus is that well-maintained chillers have a reduced power consumption. Usually, a chiller consists of a compressor, an evaporator, and condensers. Each chiller requires different setting that corresponds to the load for maximum efficiency. Every chiller has safety controls that are designed to protect the cooling system from harm.

The York® Air-cooled Scroll Chiller uses advanced technology to reduce energy costs. Centrifugal Compressors – As the favorite in the industry, a centrifugal compressor has few moving parts making them also very efficient. Centrifugal units are ideally suited for high volume, low pressure requirements such as fans or AC units. Screw Compressors – Two screws that are housed in a stationary unit fit together. As the unit rotates, gas is compressed by the volume reduction between the rotors.

Purchasing a new chiller can mean thousands of dollars in expenses that many institutional and commercial facilities do not have. So it is no surprise when many maintenance and engineering managers are faced with the decision on whether to repair or replace a chiller, they make every effort to keep the old one operating. Ron Bass seems to have mixed emotions about high-efficiency chillers, given his recent experiences. After developing a chiller maintenance program and outlining all the steps and action items, there is one final step to implementing a successful upkeep plan.

The best way to do this is by having a qualified technician inspect the chiller regularly. If there are any issues, they can be addressed before they become problems. Refractometer - Use a refractometer to check the concentration of glycol to make sure it provides adequate freeze protection. YORK® YK-EP Centrifugal Chillers are chiller repair engineered to deliver greater control flexibility, maximum efficiency and extended cooling capacity. The York® YCIV Variable Speed Drive Screw Chiller delivers superior control, industry-leading efficiency and quiet operation. The York® YCAL Scroll Chiller is self contained and designed for easy, low cost outdoor installation.

Maintenance on large pieces of equipment is essential to ensure the longevity and efficiency of the equipment. Your chiller manufacturer should provide you with a chiller inspection form as guidance. If it is an option, you should join a customer’s preventative maintenance program.

E) pay attention to nitrogen protection during welding, while taking care not to let water into the pipeline. F) when welding, pay attention to the protection of nitrogen filling. C) The orientation of the four-way valve must be recorded before welding down the valve, and the dual-system unit cannot use the other system as a reference. A) Check the refrigerant system and various wiring, try to find out why the four-way valve is damaged. B) Proper recovery of refrigerant, preparation of relevant equipment and tools, and keeping the working environment well ventilated.

It is also important to have an understanding of how much time it will take to complete these tasks. The tools below are must-haves for any commercial chiller owner. Commercial chiller repair is an essential part of any chiller owner’s job. There are many causes of an industrial chiller breakdown, but they can be prevented by using a few simple steps.

The paste grade material rebuilds the substrate to its original tolerances, while the coating grade system provides a layer of durable protection. This cold-applied repair process bypasses the need of hot work that would leave the substrate susceptible to further damage. Is using a security service for protection against online attacks.

Heck says his staff regularly records the loads and amperages of his operation’s chilled-water system. “…centrifugal chillers with, variable speed drives, can typically see a 10%-13% efficiency gain for every 5 degrees of condenser water temperature relief. Any piece of equipment will experience general wear and tear over time. Which is part of the reason why it is important to be well acquainted with your commercial or industrial chiller.

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