Minnesota Administrative Rules

1323.0690 SECTION 6.9, WATER CHILLING PACKAGES AND ONCE-THROUGH COOLING SYSTEMS.

ASHRAE Standard 90.1, Section 6, is amended by adding a new section 6.9 and subsections to read:

6.9 Single effect absorption water chilling packages and once-through cooling systems.

6.9.1 Single effect absorption water chillers. Single effect absorption water chilling systems shall only be used when all the energy input is from waste heat or renewable energy sources.

6.9.2 Prohibition of once-through cooling systems. Once-through cooling systems as defined by Minnesota Rules, chapter 7685, are prohibited when prescribed by Minnesota Statutes, section 103G.271, subdivision 5.

Statutory Authority:

MS s 326B.02; 326B.101; 326B.106; 326B.13

History:

33 SR 1473

Published Electronically:

June 17, 2009