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LV IV VVVLV I NV4LIII 0111Cr IW IVI 'Jul till CI 1,101 UVIIV ILVO II IVIVVII R,VIVUtJ,XL,IW VI IVt VVGI J OLVI IV.as au... - •.a..1.11..vw......-) —_-_. .—., .....�..._ <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 /> C403.4,3,2 Two-pipe changeover Indicate changeover deadband is 15"F <br /> systems outdoor air temperature:indicate controls are <br /> configured so that heating/cooling modes are <br /> active for at minimum 4 hours before <br /> changeover and that the delta between heating <br /> /cooling supply temperatures at changeover <br /> point is <br /> C403.4.1.5 Heating water For boilers that provide building heating via <br /> temperature setback one-or two-pipe systems.indicate controls <br /> that provide heating water temperature <br /> • setback based on outdoor temperature • <br /> C403.4.4 I-lydronic system part. For heating and chilled water systems with y <br /> load controls and 300,000 Bui/h output capacity,indicate • <br /> supply-water system controls arc configured to <br /> temperature reset automatically reset supply water temperature <br /> based upon demand;or exception applied <br /> Indicate automatic pump flow controls are <br /> configured to reduce system flow rate by 509i„or the maximum allowed by the <br /> equipment manufacturer,based upon the <br /> heating or cooling loads;or decribe why not <br /> required <br /> For hydronic systems with output capacity>_ <br /> 300.000 I3tu/h that serve heating water <br /> systems.chilled water systems and water • <br /> - <br /> cooled unitary air conditioners.indicate that <br /> pumps arc provided with a variable speed <br /> drive if one of the following conditions apply: <br /> I)System pump motor hp is 2 hp and <br /> pumps are designed to operate co ttinuously-or <br /> per time schedule:2)System pump motor hp <br /> is>_7.5 hp and pumps are controlled by <br /> automatic DDC configured to only operate <br /> pumps when there is a call for zone heating or' <br /> • cooling <br /> Where variable speed drives are required, <br /> indicate system is configured so that pump <br /> motor power is<_30%''i of design wattage at <br /> • 5K.of design flow rate;indicate pump flow <br /> is controlled to maintain one control valve <br /> nearly wide open,or to maintain a!Minimum <br /> differential pressure:or exception applied <br /> C403.4.6 Hydronic system For individual pumps required to have <br /> variable pump flow - variable speed controls.indicate manner of <br /> control pump speed control(differential pressure, <br /> static pressure setpoint,zone heating or <br /> cooling demand,or based on the relationship <br /> between variable speed controller fequency <br /> and power) <br /> C403.4.5 Chiller I boiler plant Indicate controls are configured to <br /> pomp isolation automatically reduce overall plant flow and <br /> shut-off flow through individual chillers and <br /> • boilers when not in use <br />