Service & Maintenance

Troubleshooting Challenge: Assisting With a Split System Problem

In this month’s troubleshooting problem, you have been called by a colleague who is relatively new to HVACR to assist in repairing a split system in a manufactured home. The original diagnosis regarding this unit that is sitting dead was that the PCB 3-amp fuse was blown, and when it was replaced, the new fuse also failed.


Read More

Btu Buddy 111: Burned Hermetic Compressor - Part 2

Bob and Tim have gone back to the job with the grounded compressor. They changed the compressor yesterday and ran the unit for a few minutes, then shut the system down, leaving the crankcase heat on so they could start it up later. They now want to determine why the compressor burned.


Read More

Preventing 'White Rust' on Galvanized Steel Cooling Towers

For over 50 years, evaporative cooling products have been manufactured from hot-dip galvanized steel. Life expectancy of these units, when properly installed and maintained, has been excellent. In recent years, however, there have been reports of “white rust.” The critical fact that needs to be recognized is that white rust is preventable.


Read More

Btu Buddy 110: Burned Hermetic Compressor - Part 1

Bob and Tim were on their way to a no cooling call at a commercial building. When they arrived, they talked to the building manager and checked the thermostat. It was set at 72°F but the thermometer was reading 78°. Tim said, “The fan is running, so there is control voltage and the thermostat seems to be calling for cooling.”


Read More

Troubleshooting Challenge: An A/C System That’s Not Keeping the House Comfortable

In this month’s troubleshooting situation, our customer’s description of the problem is “not cooling” and “blowing warm air,” and the equipment that is supposed to keep this residence comfortable is a split system that has been in service for 16 years.


Read More

Btu Buddy 109: Preventing Copper Theft

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.


Read More

The Case for Hard Start Kits

During my 50 years in the HVAC trade, I have found that most technicians do not spend time learning about the compressor and the a/c system as much as they should. In their defense, they are simply too busy to take the time once they are out of school.


Read More

Btu Buddy 108: Service Call on a Gas Furnace

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.”


Read More

Troubleshooting Challenge: A Thru-the-Wall Package Unit That Won't Heat

In this month’s troubleshooting situation, we have a customer who has called to say that their condominium has no heat. The particular equipment in this case is a thru-the-wall package unit that provides cooling in the summer and employs a natural gas system to heat the building in the winter.


Read More

Btu Buddy 107: Heat Pump Service Call - Part 2

Bob and Tim are continuing a service call on a heat pump that has two failed auxiliary heaters. When they went to the supply house to get new heaters, they left wondering if the heat pump itself was operating up to capacity. After replacing the defective heaters, Bob suggested a visual inspection of the heat pump.


Read More

Multimedia

Videos

Image Galleries

2014 World Energy Engineering Congress

Scenes from the 2014 World Energy Engineering Congress in Washington, D.C.

Podcasts

NEWSMakers: Ed Purvis

Emerson Climate Technologies executive president and business leader Ed Purvis discusses HVACR industry trends, the strength of the industry, and Emerson’s new innovation center. Posted on Dec. 26.

More Podcasts

ACHRNEWS

NEWS 12-22-14 cover

2014 December 22

Check out the weekly edition of The NEWS today!

Table Of Contents Subscribe

HVAC TECHNICIAN SHORTAGE

In order to bring more people into the trade and produce more technicians, what should the industry do?
View Results Poll Archive

HVACR INDUSTRY STORE

2015.jpg
2015 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

More Products

Clear Seas Research

 

Clear Seas ResearchWith access to over one million professionals and more than 60 industry-specific publications, Clear Seas Research offers relevant insights from those who know your industry best. Let us customize a market research solution that exceeds your marketing goals.

DON'T MISS A THING

Magazine image
 
Register today for complete access to ACHRNews.com. Get full access to the latest features, Extra Edition, and more.

STAY CONNECTED

facebook icontwitter iconyoutube iconLinkedIn i con