Mike Taitano is a technician with 20 years of experience troubleshooting, repairing, and maintaining air conditioning and refrigeration equipment. He also operates Air-Conditioning-and-Refrigeration-Guide.com. For more information, visit www.air-conditioning-and-refrigeration-guide.com.
I simply don’t know of any way to reduce chiller maintenance (recommended scheduled maintenance), below industry standards and manufacturer recommendations, without reducing the system’s long-term efficiency and working life.
Air conditioning coil cleaning is an important air conditioning maintenance procedure that sometimes takes some patience, and usually takes a lot of water. First, you have to make some common sense evaluations.
For several years, refrigerant retrofitting has been a common procedure for a lot of the commercial kitchen and restaurant equipment I work on, so I’ll go over some of the things I’ve learned that might help you save some time and money on your own retrofit projects.
When you improve chiller efficiency, you can have better control of the chiller and the air conditioning in the building, and the chiller will also last longer. The recommendations here are for centrifugal chillers. Several different methods are suggested.
When you’re troubleshooting a refrigeration control system, keep in mind that no matter how complicated the schematic might look on paper, the control system is actually only trying to provide a few simple outcomes.
If your central air conditioning condenser problem is that the compressor and condenser fan won’t run, this article lays out a series of troubleshooting steps to help you in identifying and correcting the problem. By the time you make all these checks, if the problem was electrical, you should find it.
Air conditioning system commissioning and startup is the process of inspecting a new air conditioning installation, and verifying that the new system is running properly and efficiently. This article describes the commissioning procedure.
A very common freezer repair trouble call is a frozen evaporator
coil. When you open the door to inspect the coil, look around for signs of
outside air migrating into the box.
The chiller maintenance tool that contributes most to a chiller’s overall efficiency is the daily log. An accurate daily log will provide a daily snapshot of the chiller’s operating characteristics and make abnormal conditions easy to spot.
Photos from the 2013 ACCA Conference & IE3 Expo in Orlando, Fla.
Podcasts
Cade Clark, assistant vice president of government affairs for the Air-Conditioning, Heating & Refrigeration Institute (AHRI), gives a brief overview of the new version of the Shaheen-Portman bill, what AHRI thinks of the energy-efficiency legislation, and how it might affect the HVACR industry if it becomes law.
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