Service and Maintenance

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Don Fort, senior technical trainer, Heatcraft, walks HVAC technicians through the process of measuring superheat in a system.

Saving one compressor will cover the cost of a voltage monitor and then some.

Servicing new reach-in coolers and freezers containing R-290 is not tremendously difficult but does require some different servicing procedures.

In the HVACR contracting realm, the quality of the service delivered ultimately dictates the level of success an HVACR contracting obtains.

A nitrogen purge is a simple HVAC process that will save money in the long run and keep customers happy.

Learning how to troubleshoot a system that is experiencing leaky valves or worn rings can be challenging, so technicians need to take careful measurements in order to isolate the problem.

PSC motors can be referred to as constant speed motors; X13 ECMs can be referred to as constant torque motors; and ECM 2.3 variable-speed motors can be referred to as constant airflow motors.

In order to install or diagnose issues in a refrigeration system, technicians must first have a solid grasp of its key components.

Know what type of detector you are using, know how to use it, and ensure it’s capable of detecting leaks by calibrating it on a regular basis.

There are several reasons why a refrigeration or air conditioning system may have high compressor discharge temperatures. That’s why technicians must carefully measure the system’s temperatures and pressures to determine the problem.