SC Refrigeration Practice Questions - South Carolina Refrigeration Contractor Examination Exam

A new industrial refrigeration plant will use R-717 (ammonia). Which standards govern that system under the 2021 IMC?

IMC Chapter 11 in full, because ammonia is listed in Table 1103.1 IIAR 2, IIAR 3, IIAR 4, and IIAR 5; the system is not required to comply with IMC Chapter 11 ASHRAE 15 only, with no IIAR documents The International Fuel Gas Code, because ammonia is treated as a fuel gas

Correct Answer:

IIAR 2, IIAR 3, IIAR 4, and IIAR 5; the system is not required to comply with IMC Chapter 11

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