Manualshelf

Engineering Bulletin

ManualsBrandsHart & Cooley ManualsAluminum Square 3-Way Ceiling Diffusers (A503 Series)10" x 10" (Wall Opening Size) White Ceiling Diffuser (A503OB Series)
1
400 500 600 700 900 1100 1500
. .010 .016 .022 .031 .050 .075 .140
C CFM 55 65 75 90 120 140 195
T Throw L/S 3.5/2.5 4.0/3.0 5.0/3.5 5.5/4.0 7.0/5.0 9.0/6.0 12.0/9.0
C CFM 75 90 105 120 150 180 240
T Throw L/S 4.0/2.0 5.0/2.5 6.0/3.5 7.0/4.0 8.0/4.5 10.0/5.5 12.0/7.0
C CFM 115 135 155 175 235 290 395
T Throw L/S 5.0/3.0 7.0/4.0 8.0/4.5 10.0/5.5 12.0/7.0 14.0/8.5 18.0/10.5
C CFM 170 210 255 300 380 470 610
T Throw L/S 7.0/4.0 8.5/4.5 10.0/5.5 12.0/6.5 15.0/8.5 18.0/10.0 23.0/14.0
C CFM 250 305 360 410 505 610 800
T Throw L/S 8.0/5.5 10.0/6.0 11.5/7.0 13.0/7.5 15.5/9.0 20.0/11.0 27.0/16.0
4
A503MS/A503OB
Three-Way Diffuser
Face Velocity
Pressure Loss
6 x 6
Ak .13
8 x 8
Ak .20
10 x 10
Ak .29
12 x 12
Ak .42
14 x 14
Ak .59
<NC 20 NC 20-30 NC 30-35 NC 35-40
Terminal velocity of FPM
NC Noise criteria rating. NC is based on 10db room absorption (ref. 10
-12
watts).
Tested in accordance with ASHRAE 36-72, ADC 1062: GRD84 and ISO 3741.
400 500 600 700 900 1100 1500 400 500 600 700 900 1100 1500 400 500 600 700 900 1100 1500
.010 .016 .022 .031 .050 .075 .140 .010 .016 .022 .031 .050 .075 .140 .010 .016 .022 .031 .050 .075 .140
CFM 55 65 75 90 120 140 195 CFM 55 65 75 90 120 140 195 CFM 55 65 75 90 120 140 195
Throw 5.0 6.0 7.0 8.0 10.0 12.0 15.0 Throw 2.0 3.0 4.0 5.0 6.0 7.0 9.0 Throw L/S 3.5/2.5 4.0/3.0 5.0/3.5 5.5/4.0 7.0/5.0 9.0/6.0 12.0/9.0
CFM 75 90 105 120 150 180 240 CFM 75 90 105 120 150 180 240 CFM 75 90 105 120 150 180 240
Throw 6.0 7.0 8.0 10.0 12.0 15.0 18.0 Throw 3.0 4.0 5.0 6.0 8.0 10.0 13.0 Throw L/S 4.0/2.0 5.0/2.5 6.0/3.5 7.0/4.0 8.0/4.5 10.0/5.5 12.0/7.0
CFM 115 135 155 175 235 290 395 CFM 115 135 155 175 235 290 395 CFM 115 135 155 175 235 290 395
Throw 7.0 8.0 10.0 12.0 15.0 19.0 24.0 Throw 4.0 5.0 6.0 7.0 9.0 12.0 14.0 Throw L/S 5.0/3.0 7.0/4.0 8.0/4.5 10.0/5.5 12.0/7.0 14.0/8.5 18.0/10.5
CFM 170 210 255 300 380 470 610 CFM 170 210 255 300 380 470 610 CFM 170 210 255 300 380 470 610
Throw 8.0 10.0 12.0 15.0 19.0 24.0 29.0 Throw 5.0 6.0 7.0 8.0 10.0 12.0 15.0 Throw L/S 7.0/4.0 8.5/4.5 10.0/5.5 12.0/6.5 15.0/8.5 18.0/10.0 23.0/14.0
CFM 250 305 360 410 505 610 800 CFM 250 305 360 410 505 610 800 CFM 250 305 360 410 505 610 800
Throw 11.0 13.0 15.0 18.0 24.0 30.0 35.0 Throw 6.0 7.0 8.0 9.0 11.0 14.0 18.0 Throw L/S 8.0/5.5 10.0/6.0 11.5/7.0 13.0/7.5 15.5/9.0 20.0/11.0 27.0/16.0
400 500 600 700 900 1100 1500 400 500 600 700 900 1100 1500
.010 .016 .022 .031 .050 .075 .140 .010 .016 .022 .031 .050 .075 .140
CFM 55 65 75 90 120 140 195 CFM 55 65 75 90 120 140 195
Throw 3.0 4.0 5.0 6.0 7.0 9.0 12.0 Throw 3.0 4.0 5.0 6.0 7.0 9.0 12.0
CFM 75 90 105 120 150 180 240 CFM 75 90 105 120 150 180 240
Throw 4.0 5.0 6.0 7.0 9.0 12.0 16.0 Throw 4.0 5.0 6.0 7.0 9.0 12.0 16.0
CFM 115 135 155 175 235 290 395 CFM 115 135 155 175 235 290 395
Throw 5.0 6.0 7.0 8.0 10.0 14.0 20.0 Throw 5.0 6.0 7.0 8.0 10.0 14.0 20.0
CFM 170 210 255 300 380 470 610 CFM 170 210 255 300 380 470 610
Throw 6.0 7.0 8.0 10.0 13.0 17.0 23.0 Throw 6.0 7.0 8.0 10.0 13.0 17.0 23.0
CFM 250 305 360 410 505 610 800 CFM 250 305 360 410 505 610 800
Throw 7.0 9.0 11.0 13.0 16.0 19.0 27.0 Throw 7.0 9.0 11.0 13.0 16.0 19.0 27.0
14 x 14
Ak .59
10 x 10
Ak .29
12 x 12
Ak .42
A501MS/A501OB
One-Way Diffuser
A502MS/A502OB
Two-Way Diffuser
A504MS/A504OB
Four-Way Diffuser
A505MS/A505OB
Two-Way Corner Diffuser
12 x 12
Ak .42
14 x 14
Ak .59
14 x 14
Ak .59
8 x 8
Ak .20
12 x 12
Ak .42
6 x 6
Ak .13
8 x 8
Ak .20
6 x 6
Ak .13
8 x 8
Ak .20
10 x 10
Ak .29
12 x 12
Ak .42
14 x 14
Ak .59
10 x 10
Ak .29
Face Velocity
Pressure Loss
6 x 6
Ak .13
8 x 8
Ak .20
10 x 10
Ak .29
Pressure Loss
Face Velocity
Face Velocity
6 x 6
Ak .13
Pressure Loss
Face Velocity
Pressure Loss
A500 Series (Page 29, 30)
Recommended Noise Criteria and Face Velocity Ranges are on page 37
50
Engineering Data
Engineering Data
Engineering Data

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