English guide
Overview
An introduction to refrigerant safety classes, mixture behavior, technical terms, and environmental regulations.
Safety classification
The guide explains how refrigerants are grouped by toxicity and flammability under ASHRAE Standard 34.
Mixtures and technical terms
Topics include zeotropic and azeotropic mixtures, temperature glide, and critical temperature.
Reference topics
Additional sections cover chemical groups, environmental regulations, technical tables, seasonal operating pressures, retrofit options, and lubricant types.