ANSI/AHRI 550/590(I-P) with Addendum 1-2012
Performance Rating of Water-Chilling and Heat Pump Water-Heating Packages Using the Vapor Compression Cycle

Standard No.

ANSI/AHRI 550/590(I-P) with Addendum 1-2012

Release Date

2012

Published By

American National Standards Institute （ANSI)