JRA Standards and Guidelines
JRA (Standard of the Japan Refrigeration and Air Conditioning Industry Association)
JRA standards and guidelines are HVAC&R industry standards and guidelines developed by JRAIA, the Japan Refrigeration and Air Conditioning Industry Association.
JRA (standards) and JRA-GL (guidelines) listed below are available in English. Those can be purchased from here (inquiry form in Japanese).
note : Prices in the list are tax included but shipping cost and bank transfer fee are excluded.
JRA standards are established and published with a view to realizing quality improvement, rational production, simple and fair trade, as well as rational use or consumption, of products and components relating to refrigeration and air conditioning, through proper and rational standardization of those products and components.
JRA-GL (Guideline of the Japan Refrigeration and Air Conditioning Industry Association)
JRA guidelines are established and published to give technical guidance on products, components, practices and services relating to refrigeration and air conditioning.
||Guideline of Water Quality for Refrigeration and Air Conditioning Equipment
||This guideline provides water quality standards for cooling water, chilled water and mid-range temperature water supplied to refrigeration and air conditioning equipment, as well as the water quality control methods, with the purpose of maintaining, or preventing deterioration of, performance, efficiency and service life of those equipment.