Articles Tagged with ''troubleshooting and HVACR''

trouble

A Sticky Situation

Jim Johnson
Jim Johnson
February 12, 2018
No Comments
In this troubleshooting situation, the customer is complaining that their comfort cooling system isn’t performing as it should. Their description of the problem is that the house always seems to be too “sticky”. They also say that the problem seems to be especially evident when the outdoor ambient reaches its highest level in mid-afternoon.
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btu1

Btu Buddy 178: Frozen Heat Pump

Bill Johnson
Bill Johnson
January 22, 2018
No Comments
The outside temperature was 40°F, not really cold for the season but the humidity was high in the air. Moisture had just seemed to be laying in the air for several days. Bob and Tim were called to a residence which reported a frozen heat pump. They arrived and talked to the housewife and she said, “My heat pump outdoor unit is a solid block of ice. When I look at my neighbors outdoor heat pumps they don’t look like mine. I think something is not right." They all went to the window in the dining room and looked down on the heat pump outdoor unit and sure enough it was loaded up with ice.
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gas1

Re-evaluating the Temperature Rise in an Uncomfortable Bedroom

Jim Johnson
Jim Johnson
January 8, 2018
No Comments
This troubleshooting situation has a history. In the six years that the up-flow gas furnace in this three bedroom house has been in service, several attempts have been made to solve the problem of one bedroom that, according to the customer, is always too cool during the heating season. This residence is a brick home on a slab, and the air handling system, which located in the crawl space above the ceiling, is shown in Figure One.
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BTU1

Btu Buddy 176: Leaking Heat Pump

Bill Johnson
Bill Johnson
November 20, 2017
No Comments
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.
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Valve

Four Simple Service Valve Tips

Bryan Orr
October 23, 2017
One Comment

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.


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