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2018 WSEC Requirements for Commercial Buildings including Group R2, R3 & R4 over 3 stories & all R1 -- Administered by @2022 NEEA, All rights reserved <br />The following information is necessary to check a mechanical permit application for compliance with the mechanical systems and equipment requirements in the <br />Washington State Energy Code, Commercial Provisions. <br />For questions about this report, contact WSEC Commercial Technical Support at 360-539-5300 or via email at com.techsupport@waenergycodes.com <br />ECONOMIZERS <br />YES <br />C403.5 <br />Air economizer <br />Identify all cooling systems requiring air <br />required <br />economizer controls in equipment schedules <br />on plans and in WSEC mechanical equipment <br />compliance reports <br />NA <br />Indicate all systems utilizing air economizer <br />exceptions in WSEC mechanical equipment <br />compliance report, including those with water- <br />side economizer in lieu of air economizer; <br />indicate on plans and in WSEC mechanical <br />equipment compliance reports all eligible <br />exception(s) taken and measures to comply <br />with exception(s) <br />NA <br />C403.4.1 <br />Integrated <br />Indicate air and water -side economizers are <br />C403.5.1 <br />economizer operation <br />configured for partial cooling operation even <br />- air and water <br />where additional mechanical cooling is <br />required to meet the load <br />NA <br />For DX air handlers with single or multiple <br />stages of mechanical cooling; indicate controls <br />are configured with air economizer as the first <br />stage of cooling <br />NA <br />Refer to Requirements List section HVAC <br />Controls for additional requirements for DX <br />air handlers <br />NA <br />C403.5.2 <br />Economizer heating <br />Verify control method of HVAC systems with <br />system impact - air <br />economizers does not increase building <br />and water <br />heating energy usage during normal operation <br />NA <br />C403.5.3.1 <br />Air economizer <br />Indicate modulating outdoor air and return air <br />capacity <br />dampers are configured to provide up to <br />100% outdoor air for cooling <br />NA <br />C403.5.1 <br />Air economizer <br />Indicate that economizer controls are <br />C403.5.3.2 <br />controls and <br />configured to provide partial economizer <br />integrated operation <br />cooling when additional mechanical cooling is <br />also required to meet the cooling load <br />NA <br />Indicate that control of economizer dampers <br />is not based only on mixed air temperature; or <br />exception applied for systems with cooling <br />capacity < 65,000 Btu/h <br />NA <br />C403.5.3.3 <br />Air economizer high <br />Indicate high limit shut-off control method <br />limit controls <br />and required high limit per Table C403.5.3.3 <br />NA <br />C403.5.3.4 <br />Relief of excess <br />Refer to Requirements List section <br />outdoor air <br />Ventilation, Exhaust & Energy Recovery <br />NA <br />Indicate relief air outlets are sized and <br />configured to relieve excess building air <br />during air economizer operation to prevent <br />building over -pressurization <br />NO <br />Indicate relief air outlet are located to avoid <br />recirculation into the building <br />Page 14125 <br />