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TABLE 8: SUPPLY PLENUM PERFORMANCE
Indoor
Face
Unit
Veloc-
CFM
Model
ity
FF-10
(FPM
Throw
(Feet)
Min.
3200
820
63
3600
920
71
120
4000
1025
78
4400
1130
86
4800
1230
94
1
Adjusting the vertical louvers will vary the throw, the spread and the drop.
2
Adjusting the horizontal louvers will only vary the drop.
3
The velocity of the air will be 125 ft./min. at the minimum distance and 80 ft./min. at the maximum distance.
4
The velocity of the conditioned air at the bottom of the drop will be 50 ft./min. occur if the drop extends into the occupied level of the conditioned
space.
7000
6500
6000
5500
5000
4500
4000
3500
3000
0
0.1
FIGURE 3 - INDOOR AIRFLOW
10
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Vertical
Horizontal
1
Louvers
Lovers
(Plan View)
(Elevation
0°
View)
SPREAD
Spread
8°
3
3
(Feet)
0˚
SPREAD
4
Max
Min.
Max
Min.
Drop (Feet)
98
25
37
21
10
110
28
41
22
11
123
30
45
22
11
135
33
49
23
12
147
35
53
23
12
0.2
0.3
0.4
Angle of Deflection
Horizontal
Vertical
Lovers
22-1/2°
Louvers
(Elevation
SPREAD
(Plan View)
View)
Spread
Throw
3
3
(Feet)
(Feet)
0˚
SPREAD
Max.
Min.
Max. Drop (Feet)
45
70
29
43
19
50
69
32
47
20
10
56
88
35
52
20
10
62
97
38
57
21
11
68
106
41
62
21
11
FA120
0.5
0.6
0.7
0.8
Static
Page 52
036-21363-002-B-0303
Vertical Louvers
(Plan View)
45°
SPREAD
Spread
Throw
8°
3
3
(Feet)
(Feet)
4
Min.
Max.
Min.
Max.
9
34
53
54
82
38
60
60
91
42
66
67
102
47
73
76
115
51
80
85
127
0.9
1
1.1
Unitary Products Group
Horizontal
Lovers
(Elevation
View)
8°
0˚
SPREAD
4
Drop (Feet)
10
5
11
6
11
6
12
6
12
6
0 turns
1 turn
2 turns
3 turns
4 turns
5 turns
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