ASHRAE Standard 222 is a method of test for determining the performance of HVAC&R-related adjustable-speed electric alternating-current (AC) power drive systems.

ASHRAE 222-2018
Original price was: $75.00.$37.00Current price is: $37.00.
Standard 222-2018 — Standard Method of Test for Electrical Power Drive Systems (ANSI Approved)
ASHRAE , 2018