What should technicians monitor while recovering refrigerant from a system?

Monitoring pressure and temperature while recovering refrigerant from a system is essential for several reasons. First, it allows technicians to ensure that the recovery process is being conducted safely and effectively. By checking the pressure, technicians can determine if the refrigerant is still within the operational range or if there are any issues with the system that could indicate leaks or blockages.

Temperature readings provide insight into the state of the refrigerant – whether it is in a gaseous or liquid form. This is crucial because the state of the refrigerant affects how it should be recovered. For example, recovering liquid refrigerant requires different techniques and equipment compared to recovering vapor.

Maintaining an awareness of both pressure and temperature helps ensure that the recovery process is not only efficient but also compliant with environmental regulations aimed at preventing refrigerant emissions. By properly monitoring these parameters, technicians enhance safety, optimize performance, and ensure they are working within the manufacturer's specifications for the refrigeration system.