As part of this Prerequisite we have to provide cooling towers that comply with requirements of section 6.4 of 90.1-2007 ASHRAE Standard. In Table 6.8.1G there are performance requirements listed but only for standard rating conditions (for entering water temperature of 35C and leaving water temperature 29C). What if the proposed by the designers cooling tower has other water parameters? What are the performance requirements for cooling towers with water of higher temperature?
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Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5867 thumbs up
December 11, 2015 - 10:48 am
The standard rating conditions are the parameters used to determine the minimum efficiency rating (like a heat pump being tested at certain temperatures). If your design situation does not match this it does not matter, the equyipment must meet the minimum efficiency at the rated conditions. The minimum performance requirements would still apply to your situation.