Manualshelf

Engineering Bulletin

ManualsBrandsHart & Cooley ManualsDiffusers8" (Wall Opening Size) Round White Ceiling Diffuser (16 Series)
1
Engineering Data
117
RZMCDST Throw
150 fpm Terminal Velocity
Neck Velocity 400 500 600 700 800 900 1000 1200 1400 1600
cfm 314 393 471 550 628 707 785 942 1100 1257
1-direction 3.4 4.3 5.2 6.0 6.9 7.8 8.6 9.5 10.3 11.2
2-direction 2.1 2.6 3.1 3.6 4.1 4.7 5.2 5.7 6.2 6.7
3-direction Short 2.4 3.0 3.6 4.2 4.8 5.4 6.0 6.7 7.3 7.9
3-direction Long 2.1 2.6 3.1 3.6 4.1 4.7 5.2 5.7 6.2 6.7
12"
4-direction 1.7 2.1 2.5 2.9 3.3 3.8 4.2 4.6 5.0 5.4
Neck Velocity 400 500 600 700 800 900 1000 1200 1400 1600
cfm 428 535 641 748 855 962 1069 1283 1497 1710
1-direction 5.3 6.6 7.9 9.3 10.6 11.9 13.2 14.5 15.9 17.2
2-direction 3.0 3.8 4.6 5.3 6.1 6.8 7.6 8.3 9.1 9.9
3-direction Short 2.3 2.9 3.5 4.1 4.6 5.2 5.8 6.4 6.9 7.5
3-direction Long 2.6 3.2 3.9 4.5 5.1 5.8 6.4 7.1 7.7 8.4
14"
4-direction 2.2 2.7 3.2 3.8 4.3 4.9 5.4 5.9 6.5 7.0
Neck Velocity 400 500 600 700 800 900 1000 1200 1400 1600
cfm 559 698 838 977 1117 1257 1396 1676 1955 2234
1-direction 14.9 18.6 22.3 26.0 29.7 33.5 37.2 40.9 44.6 48.3
2-direction 7.0 8.7 10.4 12.2 13.9 15.6 17.4 19.1 20.9 22.6
3-direction Short 5.2 6.5 7.8 9.1 10.4 11.7 13.0 14.3 15.6 16.9
3-direction Long 6.7 8.4 10.0 11.7 13.4 15.1 16.7 18.4 20.1 21.8
16"
4-direction 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.6
SS
L
L
24 Square Ceiling Diffuser (Page 27)
Face Velocity
300
400
500
600
700
800
900
1000
Pressure Loss
.006
.010
.016
.022
.031
.040
.050
.062
6
Ak .165
50
3.5
65
4.5
85
5.5
100
6.5
115
8
130
9
150
10
165
11
8
Ak .280
85
4.5
110
5.5
140
7
170
8.5
195
10
225
11
250
12
280
14
10
Ak .420
125
5
170
6.5
210
8
250
9.5
295
11.5
335
13
380
15
420
16
12
Ak .595
180
6
240
8
300
10
355
11.5
415
13.5
475
15.5
535
17.5
595
19
14
Ak .820
245
7
330
9
410
11.5
490
13.5
575
16
655
18
740
20
820
22.5
16
Ak 1.03
310
7.5
410
10
515
12.5
620
15
720
18
825
20
925
22
1030
25
18
Ak 1.33
400
8.5
530
11
665
14
800
17
930
20
1065
23
1200
26
1330
28
20
Ak 1.60
480
9.5
640
12
800
16
960
18
1120
22
1280
25
1440
28
1600
31
22
Ak 1.90
570
10.5
760
13.5
950
17
1140
19
1330
24
1520
27
1710
30
1900
33
24
Ak 2.30
690
11
920
14.5
1150
18.5
1380
22
1610
26
1840
30
2070
33
2300
36
Terminal Velocity of 50 fpm
16 Round Ceiling Diffuser (Page 25)
Terminal Velocity of 50 fpm
Face Velocity
300
400 500 600 700 800 900 1000
Pressure Loss
.006
.010 .016 .022 .031 .040 .050 .062
6”
Ak .135
cfm
Throw
55
2.5
65
3
80
3.5
95
4
105
4.5
120
5
135
5.5
8”
Ak .225
cfm
Throw
70
2
90
3
115
3.5
135
4.5
160
5
180
5.5
200
6.5
225
7
10”
Ak .345
cfm
Throw
105
2.5
140
3.5
175
4.5
210
5
240
6
275
7
310
8
345
8.5
12”
Ak .500
cfm
Throw
150
3
200
4
250
5
300
6
350
7.5
400
8.5
450
9
500
10.5
14”
Ak .625
cfm
Throw
190
3.5
250
4.5
315
5.5
375
6.5
440
8
500
9
565
10
625
11
18”
Ak 1.04
cfm
Throw
310
4.5
415
6
520
7
625
8.5
730
10
830
11.5
935
13
1040
14.5

Summary of content (1 pages)