Section 11-39-5 - Exemptions These rules do not apply to the types of systems named below.
(1) Units of four and one-fourth tons refrigeration (fifteen kilowatt) cooling capacity or less are exempt from § 11-39-6 provided that they are not part of a multiple installation, with a combined capacity greater than four and one-fourth tons (fifteen kilowatt) furnished to ventilate any room or similar single enclosure; all other sections of this rule shall remain applicable to units of four and one-fourth tons (fifteen kilowatt) or less.(2) Ventilating systems including multiple installation with a total of two thousand one hundred cubic feet per minute (one thousand litres per sec) capacity or less are governed by these rules but no permit is required.[Eff. JAN 31, 1983] (Auth: HRS §§ 321-9, 321-11) (Imp: HRS §§ 321-1, 321-11)