HVAC Maintenance Challenge: Chiller Repair vs Replace Facilities Management Insights

The same holds true if you are noticing that your York® chiller is working harder than normal to accomplish the same tasks. These tasks are all part of our York repair and service chiller repair schedule that we offer. YORK® YCWL Water-cooled Scroll Chillers deliver superior energy efficiency, with the capacity to meet a wide range of cooling requirements.

Banks Industrial and sister company Repair Technology offer you an alternative with Belzona polymeric chiller repair and coating solutions. One of the first factors managers must consider when deciding to whether repair or replace a chiller is the age of the unit. No standards exist to determine how long a manager should expect a chiller to operate, but workload over the years plays a major role in the decision.

Ongoing routine maintenance completed by certified installers and servicers, will ensure that you can keep York repair bills to a minimum all while enjoying dependable, trouble free service. Neva®'s experienced chiller techs have been trained to look at the entire system application and find original design information before coming to an operational chiller failure conclusion. It is surprising how many chillers are operating out of their design parameters. It is a fact that any chiller operates more efficiently and is more reliable within its own defined unique limitations.

Untreated can result in higher condenser pressures, impeded heat transfers and inconsistencies in water temperature and water flow. Regular chemical treatments can help keep the water clean and filters should be replaced often. Many of the York® air-cooled chillers that are in service today are in their YVAA variable speed drive screw chiller series. These are of a patented, liquid cooled variety and customized to specific job requirements. York® air-cooled chillers generally come in sizes from 15 ton to 500 ton capacities. The variable screw type compressor is more common and seems to be gaining in new installations each year.

The cooled fluid is circulated through a heat exchanger to cool equipment or parts of the process stream. With so many types of chillers, contractors can find that once the customer is on board, there is a lot more work to be done. Terrill said that there is an investment that has to be made in terms of time and money to purchase and maintain all the tools and software needed. Kloehn agreed that the tool investment is significant, and he also pointed out that there is an equally significant investment in training. Customers who just spent thousands of dollars for new equipment can often be a tough sell when it comes to maintenance agreements.

Check the temperature of chilled water entering and leaving the chiller system. Chillers are also used in processes that require controlled cooling. Molten plastic is poured into molds to form plastics of different shapes. Chillers help maintain the right temperature to hold the shape.

The key is getting the customer to understand the significant cost difference between preventive maintenance and chiller failure repair. Left untreated, the loss of metal can cause leakage of the coolant and contamination of the chilled water. Corrosion is not restricted to the tube sheet, the water box and end covers can also be affected. In particular, corrosion in division bars and seal faces can lead to leakage and loss of efficiency, as well as the inability to maintain the desired working environment in buildings.

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