when working With Roof Tops machines and commercial split system or water chiller with air handling units I consider the economizer is required as per ASHRAE section 6.5.1, is this correct?
when VRF is heat recovery or heat pump is economizer needed? and if so, is using a heat recovery system for outdoor air injection a way of meeting this requirement?
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Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5867 thumbs up
May 14, 2020 - 12:49 pm
See Section G3.1.2.7 for exclusions and exceptions. If this does not apply then yes economizers should be included in the baseline systems. Economizers are not required in your proposed design since this is a prescriptive option and not a mandatory provision.