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ANSI/AHRI 1211 (SI)-2011 with Addendum 1: Performance Rating of Variable Frequency Drives

Standard Scope:
This standard applies, within the heating, ventilating, air-conditioning and refrigeration (HVACR) context, to VFDs used in the control of asynchronous induction motors. The range includes all those found within a building including: low voltage (= 600 V) and drives that are stand alone, not mechanically integrated into motors.

Free Download: ANSI/AHRI 1211 (SI)-2011 with Addendum 1
©2011, by Air-Conditioning, Heating, and Refrigeration Institute