What are some best practices for preventing refrigerant contamination during installation?

To prevent refrigerant contamination during installation, it is essential to follow proper evacuation procedures, use the correct tools and equipment, and purge the system thoroughly. This includes ensuring that all components are clean and dry, using new refrigerant hoses and fittings, and performing a thorough leak test before charging the system. Additionally, technicians should always follow the manufacturer’s instructions and guidelines for installation and commissioning.