New Standard from Last Update.

1. SCOPE

1.1 This standard covers the code of recommended practice for the safe design and installation of closed-circuit vapour compression ammonia refrigeration systems.

1.2 The requirements outlined in this standard apply to stationary closed-circuit mechanical refrigerating systems utilizing ammonia as the primary refrigerant.

1.3 This standard provides normative requirements relating to the equipment, design, safety, and installation of the following:

a) Stationary closed-circuit ammonia refrigerating systems and their components in industrial occupancies and limited charge self-contained systems for commercial occupancies; and

b) Indirect closed-circuit ammonia refrigerating systems for industrial, commercial, public assembly and large mercantile occupancies.

1.4 This standard does not apply to:

a) Ammonia absorption and adsorption refrigerating systems; and

b) Replacements of machinery, equipment or piping, meeting the functional equivalents.

1.5 Applicability

1.5.1 Conflicts - Where there is a conflict between this standard and the National Building Code of India or the National Electrical Code, the requirements of the code shall take precedence unless otherwise stated in such code.