Technicians should learn how to troubleshoot defrost timers, as they can be the culprit if a freezer that uses an electric heater as its supplemental heat source has a frozen evaporator coil.
If a potential relay is malfunctioning, the compressor motor is in danger of not starting, stalling, locking rotor, or even burning out. That is why technicians should understand how to troubleshoot potential relays.
Danfoss hosted its 27th annual press breakfast at the AHR Expo, offering insights into the current and future state of the company, as well as the HVACR industry.
Technicians should understand how heat transfer works in a refrigeration system, as well as the four laws that describe how temperature and pressure changes affect the state of refrigerant in a sealed piping system.
The HVACR industry is undergoing another refrigerant transition and industry experts offer advice about what contractors need to know about the transition, as well as how to prepare for it.
Service technicians need to be careful when reading the pressure/temperature chart because if they choose the wrong values, they will make mistakes diagnosing the system.
The winners of the 2023 AHR Expo Innovation Awards have been announced and they include products that can be used in just about every sector of the HVACR industry.
Conducting planned maintenance on refrigeration equipment is beneficial to both equipment owners and contractors. However, simple tasks can turn into problems if not done properly or without taking the necessary precautions.
The EPA — with the help of stakeholder input — is in the process of establishing regulations that are designed to maximize the reclamation and minimize the release of certain HFC refrigerants from equipment.