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[{"$nulls":28},"5815 Reversable core supply grille"]
[{"$nulls":8},"Input Data",{"$nulls":12},"Nominal Duct","Core Area","H & W",null,null," "," "]
[null,"Enter Duct Width in inches =",{"$nulls":6},22,"Inches",{"$nulls":11},"Area '( ft2 )","( ft2 )","border",null,null," Free area & Core Area Ratio",null,"Ak/Ac",1,null,null," - ",null,"based on","Titus 1700 and KEC data"]
[null,"Enter Duct Height in inches =",{"$nulls":6},16,"Inches",{"$nulls":11},2.4444444444444446,2.37890625,0.25,{"$nulls":10},"Both have essentially the same sound"]
[null,"Enter Minimum Neck Velocity (greater than 0)=",{"$nulls":6},300,"FPM",{"$nulls":24},"uses 0.25 core reduction"]
[null,"Enter Maximum Neck Velocity =",{"$nulls":6},1100,"FPM",{"$nulls":16},"Throw Zones"]
[{"$nulls":27},"c(ii)","c(iii)","c(iv)"]
[{"$nulls":26},"0 Degrees",1.8,5,13]
[null,"5815 Reversable core supply grille",{"$nulls":24},"22.5 Degrees",1.395,3.875,10.075]
[null,null,null,"IP Data",{"$nulls":22},"45 Degrees",0.81,2.25,5.85]
[null,"Nom","Duct ","Neck","Air","0°",null,"22.5°",null,"45°"]
[null,"Duct","Area","Vel","Flow","Pt","Throw","Pt","Throw","Pt","Throw","Nc","Octave Band, dB"]
[null,"in","ft²","FPM","CFM","\"WG","ft","\"WG","ft","\"WG","ft",null,2,3,4,5,6,7,{"$nulls":8},"Pressure Constants",null,null,null," "]
[null,null,null,300,713.671875,0.01587902761996942,"11 - 23 - 46",0.017562316766962644,"9 - 18 - 36",0.019133386637489657,"5 - 10 - 21"," - ",21.96559349975406,23.719836009193383,20.336806046950695,11.962261103586652," - "," - ",{"$nulls":9},"m","b",null," "," "]
[null,null,null,400,951.5625,0.028229382435501188,"20 - 31 - 57",0.031221896474600254,"15 - 24 - 44",0.034014909577759385,"9 - 14 - 26",10.831834747614401,27.962652856952456,29.966772839608378,27.58325277023209,20.707972666167645,11.938872536087072," - ",{"$nulls":8},"0 Degrees",0,2.83]
[null,null,null,500,1189.453125,0.04410841005547061,"26 - 39 - 63",0.0487842132415629,"20 - 30 - 49",0.05314829621524904,"12 - 17 - 29",17.540914948162133,32.61433348133915,34.81227349001119,33.20403352469935,27.491673576731582,20.176223641771852,10.672103659115916,{"$nulls":8},"22.5 Degrees",0,3.13]
[null,22,null,600,1427.34375,0.06351611047987768,"31 - 46 - 69",0.07024926706785058,"24 - 36 - 54",0.07653354654995863,"14 - 21 - 31",23.02263261203918,36.41503329162513,38.771335792392414,37.796545795461576,33.03436080006531,26.906629555819958,17.719234557354522,{"$nulls":8},"45 Degrees",0,3.41]
[null,"x",2.4444444444444446,700,1665.234375,0.08645248370872241,"36 - 53 - 75",0.0956170579534633,"28 - 41 - 58",0.10417066058188815,"16 - 24 - 34",27.657358858166553,39.628479193894584,42.11867527392308,41.67945959403715,37.720636074208265,32.597106674422086,23.677498834479106,{"$nulls":14},"0 deg"]
[null,16,null,800,1903.125,0.11291752974200475,"41 - 57 - 80",0.12488758589840102,"32 - 44 - 62",0.13605963831103754,"19 - 26 - 36",31.67214134743181,42.41209264882355,45.01827262280744,45.042992518743,41.78007236264633,37.526422167525475,28.83878211549327,{"$nulls":8},"Sound",{"$nulls":6},"2","3","4","5","6","7","NC"]
[null,null,null,900,2141.015625,0.1429112485797248,"46 - 60 - 85",0.15806085090266378,"36 - 47 - 66",0.17220047973740688,"21 - 27 - 38",35.21343047646402,44.86741372629783,47.57589874517648,48.009838820691094,45.360748933963,41.87438657555287,33.39135661331013,{"$nulls":10},"B","CVn","CAn",null,"M(An)",10,10,10,10,10,10]
[null,null,null,1000,2378.90625,0.17643364022188243,"51 - 63 - 90",0.1951368529662516,"40 - 49 - 69",0.21259318486099615,"23 - 29 - 40",38.38122154797954,47.06377327321025,49.86377327321025,50.66377327321026,48.563773273210266,45.763773273210255,37.46377327321024,{"$nulls":8},"0 deg",null,-173.4,69.23,10.87,null,"M(Vn)",48,50,58,70,85,89]
[null,null,null,1100,2616.796875,0.2134847046684778,"54 - 67 - 94",0.23611559208916447,"42 - 52 - 73",0.2572377536818054,"24 - 30 - 42",41.24683714148346,49.05062216080504,51.933407531121496,53.06454901238731,51.461261234286006,49.2821515116594,41.14772225229225,{"$nulls":8},"22.5 Degrees",null,-168.9,69.23,10.87,null,"B",-100.7,-103.9,-127.1,-165.2,-213,-233.3,null,null," "]
[{"$nulls":26},"45 Degrees",null,-164.4,69.23,10.87,null,"KEC",-97.7,-100.9,-124.1,-162.2,-210,-230.3]
[null,"1) Performance data does not include damper",{"$nulls":24}," ",{"$nulls":5},-3,"Constants adjusted to yield Titus 1700 NC levels"]
[null,"2) Data were obtained from test conducted in accordance with ANSI / ASHRAE Standard 70-1991.",{"$nulls":31},"2002-11-07"]
[null,"3) All pressures are in inches or water"]
[null,"4) Throw values are given for terminal velocities of 150, 100, and 50 fpm, Isothermal Conditions"]
[null,"5) N.C. values are based on Octave Band 2 - 7 sound power levels minus a room absorption of 10dB."]
[null,"Sound data is based on 0 deg blade deflection. A setting of 22.5° and 45° increase sound by "]
[null,"4 or 9 dB/NC respectively.  Dash (-) in space denotes an NC or dB value of less than 10."]
[null,"6) When selecting larger supply grilles for cooling purposes, account for drop by referring to the "]
[null,"Engineering Guidelines"]
[]
[null,"5815 Reversable core supply grille"]
[null,null,null,"Metric Data"]
[null,"Nom","Duct ","Neck","Air","0°",null,"22.5°",null,"45°"]
[null,"Duct","Area","Vel","Flow","Pt","Throw","Pt","Throw","Pt","Throw","Nc","Octave Band, dB"]
[null,"mm","m²","m/s","L/s","Pa","m","Pa","m","Pa","m",null,2,3,4,5,6,7]
[null,null,null,1.524,336.815585859375,3.9538778773723857,"3.4 - 7.0 - 14.1",4.373016874973699,"2.6 - 5.5 - 10.9",4.764213272734924,"1.5 - 3.2 - 6.3"," - ",21.96559349975406,23.719836009193383,20.336806046950695,11.962261103586652," - "," - "]
[null,null,null,2.032,449.0874478125,7.029116226439796,"6.0 - 9.4 - 17.2",7.7742522221754635,"4.7 - 7.3 - 13.4",8.469712484862088,"2.7 - 4.2 - 7.8",10.831834747614401,27.962652856952456,29.966772839608378,27.58325277023209,20.707972666167645,11.938872536087072," - "]
[null,null,null,2.54,561.359309765625,10.982994103812182,"7.8 - 11.7 - 19.3",12.147269097149163,"6.1 - 9.1 - 14.9",13.23392575759701,"3.5 - 5.3 - 8.7",17.540914948162133,32.61433348133915,34.81227349001119,33.20403352469935,27.491673576731582,20.176223641771852,10.672103659115916]
[null,558.8,null,3.048,673.63117171875,15.815511509489543,"9.4 - 14.1 - 21.1",17.492067499894794,"7.3 - 10.9 - 16.4",19.056853090939697,"4.2 - 6.3 - 9.5",23.02263261203918,36.41503329162513,38.771335792392414,37.796545795461576,33.03436080006531,26.906629555819958,17.719234557354522]
[null,"x",0.22709632000000005,3.556,785.903033671875,21.52666844347188,"10.9 - 16.1 - 22.8",23.80864743041236,"8.5 - 12.5 - 17.7",25.93849448489015,"4.9 - 7.3 - 10.3",27.657358858166553,39.628479193894584,42.11867527392308,41.67945959403715,37.720636074208265,32.597106674422086,23.677498834479106]
[null,406.4,null,4.064,898.174895625,28.116464905759184,"12.5 - 17.2 - 24.4",31.097008888701854,"9.7 - 13.4 - 18.9",33.87884993944835,"5.6 - 7.8 - 11.0",31.67214134743181,42.41209264882355,45.01827262280744,45.042992518743,41.78007236264633,37.526422167525475,28.83878211549327]
[null,null,null,4.572,1010.446757578125,35.58490089635147,"14.1 - 18.3 - 25.9",39.35715187476328,"10.9 - 14.2 - 20.0",42.877919454614315,"6.3 - 8.2 - 11.6",35.21343047646402,44.86741372629783,47.57589874517648,48.009838820691094,45.360748933963,41.87438657555287,33.39135661331013]
[null,null,null,5.08,1122.71861953125,43.93197641524873,"15.6 - 19.3 - 27.3",48.58907638859665,"12.1 - 14.9 - 21.1",52.93570303038804,"7.0 - 8.7 - 12.3",38.38122154797954,47.06377327321025,49.86377327321025,50.66377327321026,48.563773273210266,45.763773273210255,37.46377327321024]
[null,null,null,5.588,1234.990481484375,53.15769146245097,"16.5 - 20.2 - 28.6",58.79278243020195,"12.8 - 15.7 - 22.2",64.05220066676955,"7.4 - 9.1 - 12.9",41.24683714148346,49.05062216080504,51.933407531121496,53.06454901238731,51.461261234286006,49.2821515116594,41.14772225229225]
[]
[null,"1) Performance data does not include damper"]
[null,"2) Data were obtained from test conducted in accordance with ANSI / ASHRAE Standard 70-1991."]
[null,"3) All pressures are in inches or water"]
[null,"4) Throw values are given for terminal velocities of  0.75,0.5 and 0.25 m/s, Isothermal Conditions"]
[null,"5) N.C. values are based on Octave Band 2 - 7 sound power levels minus a room absorption of 10dB."]
[null,"Sound data is based on 0 deg blade deflection. A setting of 22.5° and 45° increase sound by "]
[null,"4 or 9 dB/NC respectively.  Dash (-) in space denotes an NC or dB value of less than 10."]
[null,"6) When selecting larger supply grilles for cooling purposes, account for drop by referring to the "]
[null,"Engineering Guidelines"]