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cu�u I I" ro��,m�uunun�ya uwiuuuiy�ivuN IS ,I uc iv+ IS .__..,. .___.- <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 /> C;403.5,4.1 Water economizer For eligible systems where water-side <br /> capacity economizer may be provided in lieu of air <br /> economizer,indicate system is capable of <br /> 100%design cooling capacity at 50'F db <br /> 45°F wb outdoor air temperatures;indicate if <br /> • threshold for 100"l-design cooling capacity <br /> via economizer must be lowered to 45"Fdb/ • <br /> 40°F wb due to dehumidification <br /> requirements <br /> C403.5.4.2 Water economizer Indicate that the pressure drop across <br /> maximum pressure precooking coils and heat exchangers in water <br /> drop economizer systems do not exceed 15 feet <br /> i4572 mint <br /> NA C403.5.5 DX equipment For DX air handlers with economizer and <br /> economizer fault cooling capacity>_54,000 Btu/h,provide a <br /> detection and fault detection and diagnostics(FDD)system <br /> diagnostics to monitor economizer system operation and <br /> report faults <br /> HYDRONIC SYSTEMS-EQUIPMENT SELECTION&PERFORMANCE <br /> C403.3.2.1 Maximum air cooled For chilled water plants and buildings with> <br /> chiller capacity 500 tons of cooling capacity,indicate air- <br /> cooled chiller capacity is<_ 100 tons,or <br /> exception applied <br /> C403.6.7 I,arge.capacity Fair buildings?300 tons of cooling capacity, <br /> cooling systems indicate method of multi-stage or variable <br /> capacity control('SD,multiple staged <br /> compressors.or max capacity of any single <br /> unit <br /> C403.3.22 Non-standard water- For water-cooled centrifugal chillers not <br /> cooled centrifugal designed for operation at standard conditions, <br /> chillers provide calculations documenting maximum <br /> full load and part load rated equipment <br /> performance requirements <br /> C403.3.3 Hot gas bypass For cooling equipment with hot gas bypass, <br /> limitation for chillers provide either multiple step unloading or <br /> continuous Capacity modulation:indicate <br /> bypass capacity per'`able C403.3.3 <br /> C403.4.3 Large capacity boiler For hydronic systems with only a single boiler <br /> C403.3.4 systems that has>500.000 Btu/h input capacity. <br /> indicate multi-stage or modulating burner <br /> For boiler system(single or mullliple)with> <br /> I,O00.00)Btu/h input capacity.indicate <br /> turndown ratio per Table C403.3.4 and <br /> method(multiple single input boilers. <br /> modulating boilers.or combination) <br /> C403.2.3 Variable flow For pump motors>7.5 hp,indicate method <br /> capacity-pumps of variable flow control(VSD or equivalent <br /> method)in equipment schedule,or exception <br /> applied <br /> HYDRONIC SYSTEMS-CONTROLS <br /> - C403.4.3 Boiler sequencing Indicate automatic controls that sequence <br /> operation of multiple boilers <br /> 15 , '2,,S <br />