When it comes to checking for leaks in a refrigeration system, contractors have options. Although some leak detection methods are now dated compared to newer test instruments, the old techniques may still be reliable and useful.
Onset Computer Corporation has been designing and manufacturing dataloggers for over 20 years. A variety of users have employed the company’s data recording tools, but the company says that the HVAC industry can get the most uses and benefits out of them.
Many appliances can cause carbon monoxide to seep into the home, including furnaces and water heaters. The issue of CO poisoning is being taken very seriously, especially by state legislators. Currently, New York, New Jersey, Rhode Island, and West Virginia all require homes to have a carbon monoxide monitor. The HVAC industry is also taking the issue seriously.
Those involved in sales, service, and support of equipment will need to develop strategies for phaseout of R-22. This includes understanding the phaseout schedule and switching over to new HFC refrigerants. This article focuses mainly on R-407C.
The search for alternatives to CFCs would seem to be winding down, with relatively few refrigerants on the market to replace such basic CFCs as R-12 and -502, and HCFC-22. But there are more than just those familiar refrigerants.
R-410A has different physical properties than R-22 and technicians should be aware of the differences. But there are also misperceptions about R-410A. This article is aimed at putting to rest some of the myths about this refrigerant.
Troubleshooting single-phase compressors requires a technician to have a proficient understanding of capacitors. The run capacitor is one of two types of capacitors that could be found on single-phase compressors.