For the purpose of this division, the following words and terms shall have the meanings respectively ascribed:

     Air conditioning system. An installation for maintenance, by heat removal, of temperatures which are not less than sixty (60) degrees Fahrenheit.

     Air conditioning system and refrigeration system. Any combination of equipment, whether compressor or other type, by which heat is removed from the air and from which the accumulated or effluent heat is wholly or partially removed by the use of water.

     Refrigeration system. An installation for maintenance, by heat removal, of temperatures which are less than sixty (60) degrees Fahrenheit.

     System. Any combination of apparatus, individual unit, group or collection of units supplied with water through any single customer service pipe connected to the public water system.

(Code 1964, § 15.650)

     Cross reference(s)--Definitions and rules of construction generally, § 1-2.