Laserfiche WebLink
2018 WSEC Requirements for Commercial Buildings including Group R2, R3 & R4 over 3 stories & all R1 -- Administered by 02024 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 />C403.4.3. 3.1 Water loop heat Indicate method of water loop temperture <br />pump - temperature control (central plant equipment controls are <br />deadband configured to provide >_ 20°F water supply <br />temperature deadband between heat rejection <br />and heat addition modes, or controls are <br />configured for system loop temperature <br />optimization <br />C403.4.3.3.2 Water loop heat Indicate tcpe of cooling tower (open- or <br />pump - heat rejection closed-circuit) in equipment schedule; <br />equipment indicate whether the cooling tower is used <br />directly in the heat pump loop or in <br />conjunction with it separate heat exchanger: <br />indicate method used to limit system heat loss <br />when heat rejection is not needed <br />C403.4.3.3.3 Water loop heat For hydronic heat pump systems with total <br />pump - isolation system power> 10 hp. indicate 2-way <br />Valves isolation valves on each heat pump and <br />variable flow system control <br />HEAT REJECTION SYSTEMS - EQUIPMENT SELECTION & PERFORMANCE <br />C403.9.1.3 Centrifugal fan open- For open -circuit centrifugal fan cooling <br />circuit cooling towers towers with >_ 1.100 gpm capacity, indicate <br />cooling towers comply with efficiency <br />requirements for axial fan open circuit <br />cooling towers <br />HEAT REJECTION & RECOVERY - CONTROLS <br />C403.9.1.1 C Fan speed control For each fan powered by an individual motor <br />403.9.1._2 <br />or array of motors, with total connected fan <br />power > 5 hp (including motor service <br />factor), indicate method of automatic fan <br />speed control tadjusted based on leaving fluid <br />temper azure or condenser temperature / <br />presSure of heat re jection device): verify fan <br />selection prowides <_ 301/ design %Natta-c at <br />505c design airflow <br />For multiple -cell heat rejection equipment <br />with VSD, indicate controls are configured to <br />ramp all fans it) unison (not staged on / off <br />Operation) <br />C403.9.1.4 Cooling unycr flow <br />For open -circuit cooling towers configured <br />turndown <br />with multiple- or variable -speed condenser <br />water pumps. indicate system is designed so <br />all cells can be run in parallel; indicate method <br />of condenser pump turn down crnihrol <br />C403.9.2.I Heat recovery for <br />For buildings with 24-hour operation and > <br />service water heating <br />1,500,000 Btu/h of heat rejection capacih <br />and design service hot water load > 250,()00 <br />Btu/h.indicate condenser heat recoyery to pre- <br />heat service water: or exception applied. <br />Provide calculations showing the amount of <br />recovered heat that is utili/ed (6051 of peat <br />heat rejection load or pre -heat ser\icc Witte] - <br />to 85' F). <br />Page 17125 <br />