IS 1391 : Part 2 : 2023

This standard (Part 2) specifies safety and performance requirements of single or three phase non-ducted split with single stage, two stage, multistage, fixed and variable speed air conditioner and heat pumps (residential, commercial, and industrial) of rated capacity up to and including 18 000 W their rated voltage up to and including 250 V a.c., 50 Hz for single-phase and up to and including 415 V a.c., 50 Hz for three-phase power supply employing air cooled condensers and test methods for determinaThis standard (Part 2) specifies safety and performance requirements of single or three phase non-ducted split with single stage, two stage, multistage, fixed and variable speed air conditioner and heat pumps (residential, commercial, and industrial) of rated capacity up to and including 18 000 W their rated voltage up to and including 250 V a.c., 50 Hz for single-phase and up to and including 415 V a.c., 50 Hz for three-phase power supply employing air cooled condensers and test methods for determination of various ratings.