Bob and Tim were just finishing a service contract call when they were contacted by the dispatcher about a no cooling call at a new installation at a small retail store. The weather was unusually warm for this time of the year.
Tour & Andersson (TA) has announced the 2012 schedule for its TA Hydronic College seminars “The Three Hydronic Conditions” and “Investment and Energy Savings in Variable Flow Systems.” The company said the 2012 schedule brings the seminars into a number of new cities.
The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) has announced a newly published guideline, ASHRAE Guideline 32-2012, Sustainable, High Performance Operation and Maintenance, that the organization says provides guidance on optimizing the operation and maintenance of buildings.
The New York State Energy Research and Development Authority (NYSERDA) has announced the extension of its HVAC Business Partners Program, which provides training and support to HVAC contractors to use advanced diagnostic tools as part of national standards for quality maintenance of rooftop units.
Some people say that the compressor is the key component, or heart, of an air conditioning system. And like the human heart, the compressor must be kept in tip-top condition to run the system efficiently.
Some of the most common problems and solutions for smooth compressor operation can be found in training materials and on-the-job experience. There is also another method for educating HVAC contractors and service technicians — getting answers straight from the manufacturers.
Although overall standards of refrigeration maintenance remain high, at many facilities there is still room for improvement. Upgrading your company’s rotating-equipment maintenance procedures and eliminating unsound practices will help reduce the risk of failures that can lead to process shutdowns or spoilage of refrigerated product.
Bob and Tim have been sent on a routine service contract call to a new customer. The system is a gas furnace with central air conditioning. After changing the filter and oiling the fan motor, Tim went to the thermostat and caused the furnace to come on and they were looking at the burner when Tim said, “That gas flame doesn’t look right.”
Grooved mechanical piping has been changing the way contractors do business for more than 85 years, but this method of pipe joining is still unknown or misunderstood in some areas of the commercial building industry.