Articles Tagged with ''ice breaker''

Ice Breaker: High-Pressure Switches

Troubleshooting Compressor Shutdown Controls Requires Care
March 31, 2014

High-pressure switches are designed to shut down a compressor if the system’s high pressure rises above an unsafe level, not allowing the compressor to restart until the pressure returns to a safe level. 


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Ice Breaker: How to Size Replacement Cap Tubes

Replacing Because of Restrictions
March 3, 2014

One field problem frequently encountered with this type of metering device is that it can become plugged with system debris, causing a restriction. When this happens, the cap tube will typically need to be replaced.


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Ice Breaker: Evap. Pressure Regulators

A Look at Familiar Refrigerant Flow Control Device
February 3, 2014

Joe Marchese explains the refrigerant flow control device, which prevents the refrigerant pressure in an evaporator from operating below a minimum value, and discusses how to select the right one for the job. 


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Ice Breaker: Relief Valves 101

Safety Device Helps Protect Equipment, Workers
November 4, 2013

Relief valves are used to release abnormally high pressure inside a vessel before that pressure causes the vessel to erupt. 


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Ice Breaker: The Last Steps of a Service Call

Leave a Lasting Impression on Your Customers
August 5, 2013

How you handle leaving a job site is as equally important as how you handle arriving and conducting the repair or installation. 


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Ice Breaker: Transformer Sizing and Calculating VA Capacity

Joe Marchese Explains How to Size a Step-Down Transformer
July 1, 2013

A popular electrical component used on many control circuits is the step-down transformer. It is the power source for a separate lower-voltage circuit which typically controls the operation of a system. 


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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. 


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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.


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Ice Breaker: The Visual Inspection

November 7, 2011
In many aspects the first part of a job is like detective work — not only does a technician need to identify the problem but he also must determine its root cause. A good initial step is to visually inspect the entire system.


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2014 MCAA Annual Convention

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

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Kyle Gargaro, editor-in-chief of The NEWS, hosted the 2014 ACCA CEO Forum. At the event, six well-known, highly respected company executives, Gary Michel, Ingersoll Rand/Trane; Chris Nelson, Carrier Corp.; Chris Peel, Rheem Mfg. Co.; Rod Rushing, Johnson Controls; Brent Schroeder, Emerson Climate Technologies; and Doug Young, Lennox; provided individual industry outlooks and fielded questions directly from attending contractors. Listen to the entire event on the NEWSMakers podcast. Posted on April 14.

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2014 April 14

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2014 National Plumbing & HVAC Estimator

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

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