Many times technicians will have the tendency to overcharge refrigeration systems. Many symptoms for other system problems look similar, but they are not exactly like an overcharge of refrigerant.
In this installment of the series, Bob stops at a diner for lunch and has something on his mind. He has been to school where all of the terms of pressure and vacuum have been discussed, but he does not have a firm grasp on the terms. He wants to better understand the evacuation of a system.
HVACR service personnel always need to think safety first when working on equipment. The information in this article is intended to provide an overview to assist in the safe service and maintenance of systems.
These tips apply to cooling towers, closed circuit coolers, evaporative condensers, and closed circuit industrial coolers. Proper winterizing, spring start-up procedures, and scheduled periodic maintenance will prolong the life of the equipment, and help ensure trouble-free performance.
This troubleshooting procedure is designed to increase the accuracy of your service calls for ice machines, while decreasing the time required to identify any problems.
Rooftop units require regular visual inspection, filter changes, lubrication, and other service and maintenance regimen to keep performing efficiently. These tips will help you maintain large rooftop equipment (15 ton and above) for peak performance while actually reducing maintenance hours.
The evacuation process evicts undesirable elements from the refrigerant system. This article examines the terminology, procedures, and equipment used in the evacuation process.
In this installment of the Btu Buddy series, Bob gets a service call from the dispatcher who says a residence with a very sick lady is getting very hot. Bob needs to cool off a hot compressor and get the A/C system working quickly.
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