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2012 Washington State Ener ode Compliance Forms for Commercial, Group R1, and > 3 story R2 and R3 <br /> • 1 . 11 - • • • 11 • ' 11 11 ■ • \ • • , <br /> 2012 Washington State Energy Code Compliance Forms for Commercial Buildings including R2&R3 over 3 stories and all R1 Revised Aug 2015 <br /> Economizer Project Address: 221 SE EVERETT MALL WAY M9 Date 1/1/2015 <br /> Exception Economizer Exceptions-Complex Systems Water <br /> Summary CS Exp1 Water-cooled chilled beam and chilled ceiling systems with water System ID Economizer <br /> economizer.Capacity limit for all water economizer systems is 500 tons Capacity <br /> per building. (tons) <br /> Refer to Section <br /> C403.3.1 and <br /> C403.4.1 for <br /> descriptions of Total building water economizer capacity(tons-all systems): <br /> economizer System ID <br /> provisions and CS Exp2 Water-source heat pumps with heat recovery. Heat pump efficiency shall Y <br /> exceptions. For be 15%better than required minimum. Provide at minimum 60%air <br /> alterations refer economizer. Energy recovery to preheat OSA shall have at least 50% <br /> to Section effectiveness.Additional system requirements apply. <br /> C101.4.3.2 and <br /> Table CS Exp3 Chilled water terminal units.Part load efficiency of chilled water Cooling <br /> C101.4.3.1. generation equipment shall be 25%better than required minimum.Per System ID Capacity <br /> building limit of all systems without air economizer is 480,000 Btu/h or (Btu/h) <br /> 20%of required building air economizer capacity,whichever is greater. <br /> Total Claimed Exempt Capacity: <br /> Total building air economizer capacity(if claimed>480,000 Btu/h): <br /> Alternate CS Exp3 Capacity Limit: <br /> CS Exp4 Group R cooling equipment. Per unit limit is 20,000 Btu/h for Equipment Cooling <br /> equipment installed outdoors or in a mech room adjacent to the System ID Capacity <br /> outdoors. For cooling equipment installed in other locations the Location (Btu/h) <br /> unit limit is 54,000 Btu/h.Efficiency shall be 15%better than <br /> required minimum. <br /> CS Exp5 Equipment for dedicated server, electronic equipment or telecom Compliance Cooling <br /> switch rooms. Per building limit of all systems without air System ID Capacity <br /> economizer is 240,000 Btu/h or 10%of required building air Option (Btu/h) <br /> economizer capacity,whichever is greater. Part load control <br /> required over 85,000 Btu/h.Additional requirements apply. -- <br /> Option a- Efficiency shall be 15%better than required minimum. <br /> Option b-Efficiency shall be 5%better than required minimum. <br /> • <br /> Waterside economizer required. <br /> Option c-All cooling equipment is subject to ASHARE Standard 127. <br /> Waterside economizer required. <br /> Option d-Chiller efficiency shall be 25%better than C403.2.3(7)full <br /> load and part load minimum. No economizer required. <br /> Option e- Chiller efficiency shall be 10%(air cooled)/15%(water <br /> cooled)better than C403.2.3(7) minimum. Dedicated - <br /> waterside economizer required. <br /> Total Claimed Exempt Capacity: <br /> Total building air economizer capacity(if claimed>240 kBtu/h): <br /> Alternate CS Exp5 Capacity Limit: <br /> CS Exp6 Variable refrigerant flow(VRF)systems with energy recovery. Limited to Outdoor Unit <br /> buildings 60,000 sf or less.Outdoor unit min.capacity is 65,000 Btu/h. Cooling <br /> Energy recovery to preheat OSA shall have at least 50%effectiveness. System ID Capacity <br /> Zones served shall be at least 20%interior and 20%perimeter. (Btu/h) <br /> Additional requirements apply. <br /> 0.3 i <br />