Articles by Joe Marchese

Ice Breaker: Taking Stock of Downtime

August 4, 2008
During the normal course of servicing and installing refrigeration systems, there are times when a technician will need to wait before proceeding to the next task. These downtimes do not need to be wasted time.
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Ice Breaker: Thinking Outside the Box

July 7, 2008
Repairing refrigeration and air conditioning systems is not always an easy task. Occasionally technicians will encounter multiple problems on one system. If all of these problems are not initially discovered and resolved, the unresolved ones could lead to problems and more costly repairs.
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Ice Breaker: Condensate Drain Lines

June 2, 2008
Technicians servicing refrigeration systems need to be knowledgeable in several different trades, one of which is plumbing.
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Ice Breaker: Servicing Special Systems

May 5, 2008
Our industry has many different types of specialized refrigeration and air conditioning systems. Servicing and maintaining these systems normally requires a higher level of expertise than generic systems. Depending on the application, these systems can operate quite differently from generic systems.
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Ice Breaker: Simplifying Component Wiring

March 31, 2008
To prevent miswiring, any time you need to replace an electrical component, draw a picture of the wiring connected to the component. Draw the picture so each of the individual wires are identified and shown exactly how they are landed on the component.
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Ice Breaker: Liquid ‘Push-Pull' Recovery Method

March 10, 2008
There are several methods that can be used to recover refrigerant from a system. The most common is the vapor recovery method. A faster method of recovering refrigerant is to remove the refrigerant in its liquid form. One method of recovering liquid refrigerant is the “push-pull” method.
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Ice Breaker: The Hopscotch Method

February 4, 2008
Many system problems encountered by technicians are electrical in nature. Either the problem is an electrical defect, such as a defective switch or motor, or it can be traced electrically to the system problem itself, such as an open low-pressure switch as a result of a low system charge. In order to be proficient in troubleshooting a system problem, a technician must be able to efficiently troubleshoot the electrical components of a system.
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Ice Breaker: Just Read the Material!

January 14, 2008
Many of the systems and replacement components used in our industry will come with some type of literature supplied by the manufacturer. This literature will usually contain useful information for a technician and it should not be tossed aside.
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Examining Recovery Cylinder Capabilities

December 3, 2007
Working with refrigerant recovery cylinders is a basic part of servicing refrigeration systems. Technicians need to work safely when handling these cylinders.
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Becoming a Better Refrigeration Service Technician

November 5, 2007
“How can I become a better service technician?” This is a question that should be asked by all technicians who are serious about their jobs. All techs, from the apprentice to the seasoned veteran, can improve how they do their jobs. Being a better technician is not only a benefit for a company, but it is also a benefit for the technician, since it increases his worth to a company and could allow him to earn a better paycheck. Here are some suggestions on becoming a better technician.
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2014 July 21

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Some in the industry are calling for the EPA to halt production of R-22 as of 2015. What do you think?
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Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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