Bob and Tim are on their first service call for winter. They are at a retail store that has 4 units to heat and cool the store. They are all 15 on heat pumps. One area of the store is not heating or cooling well and during the heating cycle, the heat pump auxiliary heat light is staying all for long lengths of time.
If you are primarily a residential technician working on equipment under 5 tons, there is a lot of similarities between the systems you are used to and 5 – 20 ton rooftop units that
are common to the light commercial market.
It should come as no surprise to most employers that today's workplace has come to be regarded as the most regulated place in America. It is so because of one simple fact. The federal government, state government, and even local entities, such as cities, can and do issue workplace rules and regulations that require employers to do or not do a myriad of things.
Global developer Taurus Investment Holdings (Boston) has officially opened its $2 billion sustainable community, Whisper Valley, in East Austin, Texas. The company’s vision is to attract buyers who want to lead a socially responsible lifestyle with affordable and energy efficient homes in a sustainable development.
The equipment in this month’s troubleshooting problem is a forced-air electric heating system with five resistance-type elements, and in order to ensure that this equipment can operate with maximum efficiency and prevent an electrical system overload on a call for heat, a multiple-step sequencer system employed.
Modern refrigerant systems are designed to be efficient and leak free. Refrigerant systems are pressurized and, in reality, it is widely accepted that no pressurized system is entirely leak free; it is simply a case of how much and where the system is leaking.
Making intelligent, informed financial decisions is the best way to keep your business running smoothly and profitably. Businesses are very much like fine-tuned machines: each complicated part must be developed independently, but they must work well together to deliver consistent, long-term results.
Behind the work, training, bids and contracts is the business of sheet metal work, and for decades, training coordinators and instructors have taught Business 101 to their members at their home training centers. The class was geared to educate members on the financial, human resources and general operation of a business using in-person classes, books and expertise.
Service valves are so basic, and we see them with such regularity that we can miss them altogether. But, before I give the tips, I want to address the tech who tells the customer it was “probably the service valve” or “the caps were loose” as a plausible reason for a leak without actually doing a proper diagnosis. Don’t make excuses, find the leak.