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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'>Good Morning, eQUESTers,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'>I’m working on my design case model. Here’s my ATTN report:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'>**WARNING**********************************************************************<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'> SYSTEM EL1 Sys1 (PSZ) (G.NNW1) may have inadequate cooling capability<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'> Check COOLING-CAPACITY and MIN-SUPPLY-T for consistency<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'> **WARNING**********************************************************************<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'> SYSTEM EL1 Sys2 (PSZ) (G.WSW2) may have inadequate cooling capability<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'> Check COOLING-CAPACITY and MIN-SUPPLY-T for consistency<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'> **WARNING**********************************************************************<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'> SYSTEM EL1 Sys3 (PSZ) (G.N3) may have inadequate cooling capability<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'> Check COOLING-CAPACITY and MIN-SUPPLY-T for consistency<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'> **WARNING**********************************************************************<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'> SYSTEM EL1 Sys4 (PSZ) (G.S4) may have inadequate cooling capability<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'> Check COOLING-CAPACITY and MIN-SUPPLY-T for consistency<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'> **WARNING**********************************************************************<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'> SYSTEM EL1 Sys5 (PSZ) (G.N5) may have inadequate cooling capability<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'> Check COOLING-CAPACITY and MIN-SUPPLY-T for consistency<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'> **WARNING**********************************************************************<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'> SYSTEM EL1 Sys6 (PSZ) (G.E6) may have inadequate cooling capability<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'> Check COOLING-CAPACITY and MIN-SUPPLY-T for consistency<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'> **WARNING**********************************************************************<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'> SYSTEM EL1 Sys7 (PSZ) (G.C7) has zero outside air for design calculations<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'>This last one I can answer as this system is a R/A only computer room cooler. For the others:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'>COOLING-CAPACITY comes directly from the HVAC designer and is the capacity of the installed units. I’ve tried adjusting MIN-SUPPLY-T from 55 to 50 (and this seems to jive with information the coil manufacturer provides) to get a larger delta-T and it only seemed to make things worse somehow. Minimum OSA is 20%, but again, this is a design condition. These units do have enthalpy-controlled economizers.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'>I’m also getting WAY too many hours outside of throttling range – 15%. My baseline model only has a 3%. I’m way out of whack with Appendix G requirements.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'>Any suggestions as to settings to modify to clear these? Thank you!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Univers LT 55"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Univers LT 45 Light";color:#333333'>MARK DARRALL, AIA, LEED AP BD+C, NCARB<br>Senior Project Manager<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Univers LT 45 Light";color:#333333'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Univers LT 45 Light";color:#333333'><img width=136 height=55 id="Picture_x0020_1" src="cid:image001.jpg@01CC08A9.652A0690" alt=a2so4-email></span><span style='font-size:10.0pt;font-family:"Univers LT 45 Light";color:#333333'><o:p></o:p></span></p><p class=MsoNormal style='text-indent:.5in'><span style='font-size:10.0pt;font-family:"Univers LT 45 Light"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Univers LT 45 Light"'>DESIGN ENRICHING LIFE // LIFE ENRICHING DESIGN<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Univers LT 45 Light";color:#333333'>A2SO4 Architecture, LLC<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Univers LT 45 Light";color:#333333'>Union Station</span><span style='font-size:8.0pt;font-family:"Univers LT 45 Light"'><br><span style='color:#333333'>300 South Meridian Street / 250</span><br><span style='color:#333333'>Indianapolis</span>, <span style='color:#333333'>Indiana</span> <span style='color:#333333'>46225</span><br>TEL 317 388 8850<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Univers LT 45 Light"'>FAX 317 280 0692<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Univers LT 45 Light"'>MOB 765 749 0841<br><span style='color:#333333'><a href="www.a2so4.com"><span style='color:blue'>www.a2so4.com</span></a></span><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:8.0pt;color:green'>Please consider the environment before printing this e-mail</span></b><span style='color:green'>.</span><span style='color:navy'> </span><span style='color:#333333'> </span><span style='font-family:"Univers LT 45 Light"'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:8.0pt;color:#333333'>CONFIDENTIALITY NOTICE: This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to which they are addressed. 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