Articles by Joe Marchese

Ice Breaker: Water Regulating Valves

Choosing, Replacing, and Adjusting Water Regulating Valves Requires Patience
June 3, 2013

They serve two purposes: They regulate water flow to maintain the system’s high-side pressure and stop the flow of water when the system cycles off so as not to waste water.


Read More

Ice Breaker: Compressor Floodback

Troubleshooting Compressor Floodback Issues
May 6, 2013

Determining that a compressor has failed on a refrigeration system is normally a relatively simple procedure. But, discovering why the original compressor failed may not be as simple. 


Read More

Ice Breaker: Using Technology as a Service Tool

April 1, 2013

There are many aspects of a technician’s job where a smartphone or tablet can be extremely useful. These devices allow a technician to search the Internet for technical information while on the job. 


Read More

Ice Breaker: Hydrocarbon Refrigerants

March 4, 2013

Gone are the days of the three basic refrigerants: R-12, R-22, and R-502. Today’s technicians need to be well-educated on all of the refrigerants they encounter.


Read More

Ice Breaker: Hand Tool Safety

February 11, 2013

Many careless injuries are the result of rushing to complete a task and not taking the necessary time to do it right.


Read More

Ice Breaker: Choosing the Right Multimeter

January 14, 2013
When it comes to choosing a multimeter for servicing refrigeration systems, there are a lot of choices on the market. Careful planning should go into selecting the right meter.


Read More

Ice Breaker: Taking an Oil Sample Without an Oil Plug

December 3, 2012
Checking the acidity and/or moisture content of refrigerant oil is one of the methods used to test if a refrigeration system is clean and uncontaminated. But how can you take an oil sample without an oil plug?


Read More

Ice Breaker: Troubleshooting Controller Inputs

November 12, 2012
Today more and more systems are incorporating microprocessor controllers into their design. Troubleshooting the operation of these controllers can be a little tricky at times, but if broken down into sections it can be easier to handle.


Read More

Ice Breaker: The True Refrigeration Professional

October 1, 2012
I have always been impressed with the true refrigeration professional; the type of guy that not only is able to fix a problem, but also understands the why behind the problem. These guys are not satisfied with just knowing how to replace a failed component . They want to know why it failed.


Read More

Ice Breaker: Troubleshooting Current Relays

September 3, 2012
One type of starting relay used on fractional-horsepower compressors is the current relay. A defective current relay can cause a compressor not to start. One popular method of troubleshooting this type of starting relay is with an ohmmeter.


Read More

Multimedia

Videos

Image Galleries

2014 MCAA Annual Convention

Scenes from the 2014 MCAA Annual Convention in Scottsdale, Ariz.

Podcasts

NEWSmakers: Julian Scadden

Training is an ongoing process. Julian will discuss how you can generate maximum return on time and energy invested training by following a three part process. Listen to this podcast to get expert tips on training, tracking and follow up. 

More Podcasts

THE MAGAZINE

ACHRNEWS

NEWS 04-14-14 cover

2014 April 14

Check out the weekly edition of The NEWS today!

Table Of Contents Subscribe

SERVICE CALLS POLL

Which statement on service calls best applies to your business?
View Results Poll Archive

HVACR INDUSTRY STORE

plumbing-hvac.gif
2014 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