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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},15,"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},12,"Inches",{"$nulls":11},1.25,1.2035590277777777,0.25,{"$nulls":10},"Both have essentially the same sound"]
[null,"Enter Minimum Air Flow (must be greater than 0)=",{"$nulls":6},500,"CFM",{"$nulls":24},"uses 0.25 core reduction"]
[null,"Enter Maximum Air Flow =",{"$nulls":6},1400,"CFM",{"$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,{"$nulls":8},"Pressure Constants",null,null,null," "]
[null,null,null,415.4345474215651,500,0.03044995209368755,"15 - 23 - 41",0.03367786220962616,"12 - 18 - 32",0.03669057831783553,"7 - 10 - 18"," - ",25.7927992047148,27.829804423733467,25.57782529980813,18.899856613920097," - "," - ",{"$nulls":9},"m","b",null," "," "]
[null,null,null,508.90732059141726,612.5,0.045693959360589884,"19 - 28 - 46",0.05053784197832025,"14 - 22 - 35",0.055058799088201944,"8 - 13 - 20",14.855277658836261,30.023331462341236,32.23660885876101,30.68971844444008,25.069382822958662,17.8689632961069," - ",{"$nulls":8},"0 Degrees",0,2.83]
[null,null,null,602.3800937612694,725,0.06402102427697808,"22 - 33 - 50",0.070807705295739,"17 - 26 - 38",0.0771419409132492,"10 - 15 - 22",19.925123032824448,33.538463311993574,35.8982045354822,34.93716942943667,30.195616770368336,24.09367594653293,14.91315839351015,{"$nulls":8},"22.5 Degrees",0,3.13]
[null,15,null,695.8528669311216,837.5,0.08543114684285215,"25 - 38 - 53",0.09448745216188241,"20 - 29 - 41",0.10294000379297734,"11 - 17 - 24",24.262161629440502,36.545510150612266,39.03054499237664,38.57068435943422,34.5808934100206,29.4186547232535,20.48872440678227,{"$nulls":8},"45 Degrees",0,3.41]
[null,"x",1.25,789.3256401009737,950,0.10992432705821206,"29 - 40 - 57",0.12157708257675044,"22 - 31 - 44",0.13245298772738626,"13 - 18 - 25",28.05172803206148,39.17297205045059,41.76748447137491,41.7455341550722,38.41260868061813,34.07145183755052,25.360476679399174,{"$nulls":14},"0 deg"]
[null,12,null,882.7984132708259,1062.5,0.13750056492305787,"32 - 42 - 60",0.15207659654034314,"25 - 33 - 46",0.1656808927164761,"15 - 19 - 27",31.41667526566278,41.50602805525866,44.19775114304998,44.5646434942153,41.81498202096322,38.202905179398165,29.68635135498076,{"$nulls":8},"Sound",{"$nulls":6},"2","3","4","5","6","7","NC"]
[null,null,null,976.2711864406781,1175,0.16815986043738948,"36 - 45 - 63",0.18598599405266045,"28 - 35 - 49",0.2026237187602467,"16 - 20 - 28",34.44264434316944,43.60405659375814,46.383197537320264,47.09976131156882,44.874606972941656,41.91816404965767,33.576445936781944,{"$nulls":10},"B","CVn","CAn",null,"M(An)",10,10,10,10,10,10]
[null,null,null,1069.7439596105303,1287.5,0.20190221360120705,"38 - 47 - 66",0.2233052751137025,"30 - 36 - 51",0.24328146585869825,"17 - 21 - 30",37.19172410480136,45.510106406820846,48.36866609259392,49.402904835686265,47.654262950324785,45.29346059362289,37.11057996516903,{"$nulls":8},"0 deg",null,-173.4,69.23,10.87,null,"M(Vn)",48,50,58,70,85,89]
[null,null,null,1163.2167327803822,1400,0.23872762441451037,"40 - 49 - 69",0.26403443972346907,"31 - 38 - 53",0.28765413401183054,"18 - 22 - 31",39.71036674791896,47.25638470914131,50.1877059908444,51.51299111765682,50.200918807875446,48.38582842064867,40.348470984054906,{"$nulls":8},"22.5 Degrees",null,-168.9,69.23,10.87,null,"B",-100.7,-103.9,-127.1,-165.2,-213,-233.3]
[{"$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,2.110407500901551,235.9737,7.5820380713282,"4.6 - 6.9 - 12.5",8.385787690196914,"3.6 - 5.4 - 9.7",9.135954001141046,"2.1 - 3.1 - 5.6"," - ",25.7927992047148,27.829804423733467,25.57782529980813,18.899856613920097," - "," - "]
[null,null,null,2.5852491886044,289.0677825,11.37779588078688,"5.7 - 8.5 - 13.8",12.583922652601743,"4.4 - 6.6 - 10.7",13.709640972962283,"2.5 - 3.8 - 6.2",14.855277658836261,30.023331462341236,32.23660885876101,30.68971844444008,25.069382822958662,17.8689632961069," - "]
[null,null,null,3.060090876307249,342.16186500000003,15.941235044967542,"6.7 - 10.0 - 15.0",17.63111861863901,"5.2 - 7.8 - 11.7",19.208343287399053,"3.0 - 4.5 - 6.8",19.925123032824448,33.538463311993574,35.8982045354822,34.93716942943667,30.195616770368336,24.09367594653293,14.91315839351015]
[null,381,null,3.534932564010098,395.2559475,21.272355563870185,"7.7 - 11.4 - 16.2",23.52737558830872,"6.0 - 8.9 - 12.5",25.632060944451357,"3.5 - 5.1 - 7.3",24.262161629440502,36.545510150612266,39.03054499237664,38.57068435943422,34.5808934100206,29.4186547232535,20.48872440678227]
[null,"x",0.1161288,4.009774251712947,448.35003,27.371157437494805,"8.8 - 12.2 - 17.2",30.27269356161086,"6.8 - 9.4 - 13.4",32.98079394411918,"3.9 - 5.5 - 7.8",28.05172803206148,39.17297205045059,41.76748447137491,41.7455341550722,38.41260868061813,34.07145183755052,25.360476679399174]
[null,304.79999999999995,null,4.484615939415796,501.4441125,34.23764066584141,"9.8 - 12.9 - 18.2",37.86707253854544,"7.6 - 10.0 - 14.1",41.25454228640255,"4.4 - 5.8 - 8.2",31.41667526566278,41.50602805525866,44.19775114304998,44.5646434942153,41.81498202096322,38.202905179398165,29.68635135498076]
[null,null,null,4.9594576271186455,554.538195,41.87180524890998,"10.9 - 13.5 - 19.2",46.31051251911245,"8.4 - 10.5 - 14.8",50.45330597130143,"4.9 - 6.1 - 8.6",34.44264434316944,43.60405659375814,46.383197537320264,47.09976131156882,44.874606972941656,41.91816404965767,33.576445936781944]
[null,null,null,5.434299314821494,607.6322775,50.273651186700555,"11.6 - 14.2 - 20.1",55.60301350331192,"9.0 - 11.0 - 15.5",60.57708499881586,"5.2 - 6.4 - 9.0",37.19172410480136,45.510106406820846,48.36866609259392,49.402904835686265,47.654262950324785,45.29346059362289,37.11057996516903]
[null,null,null,5.9091410025243425,660.72636,59.44317847921308,"12.1 - 14.8 - 20.9",65.7445754911438,"9.4 - 11.5 - 16.2",71.6258793689458,"5.4 - 6.7 - 9.4",39.71036674791896,47.25638470914131,50.1877059908444,51.51299111765682,50.200918807875446,48.38582842064867,40.348470984054906]
[]
[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"]