Performance Data - Downturn Hoods - Modine Manufacturing PTX Installation And Service Manual

Gas-fired unit heaters
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PERFORMANCE DATA - DEFLECTOR HOODS
Figure 27.1 - 30°, 60°, and 90° Downward Deflector
Hoods
30° HOOD
Figure 27.2 - 30° and 60° Throw/Floor Coverage
30 DOWNTURN
60 DOWNTURN
MOUNTING
HEIGHT
Y
X
60 DOWNTURN
X
30 DOWNTURN
Note:
X = Feet from Heater to Start of Floor Coverage
Y = Feet to End of Floor Coverage
Z = Feet to End of Throw
Table 27.1 - Deflector Hood General Performance
Data - Model BTX
Temp
Mounting
Airflow
Model
Rise
Height
Size
(cfm)
(°F)
(ft)
8
10
12
150
2020
55
14
15
8
10
175
2357
55
12
13
8
10
200
2694
55
12
14
15
8
10
12
250
3367
55
14
15
8
10
12
300
4040
55
14
16
18
8
10
12
350
4714
55
14
16
18
8
10
12
14
400
5387
55
16
18
20
Note: Refer to Figures 27.2 through 27.3.
60° HOOD
90° HOOD
30
60
Z
Y
30° Hood
60° Hood
Blade
Angle
X
Y
Z
X
Y
Z
(°)
(ft) (ft) (ft) (ft) (ft) (ft)
57
13 29 40
0 31 42
48
12 28 38
0 28 39
37
10 25 35
0 25 34
21
8 21 30
0 19 27
10
7 19 27
0 12 18
51
11 24 33
0 25 34
39
9 22 31
0 22 30
22
7 19 26
0 17 23
2
5 14 21
0 10 14
57
13 29 39
0 30 41
47
12 27 37
0 28 38
35
10 25 34
0 24 33
18
7 20 29
0 18 25
2
5 16 24
0 11 16
59
14 31 42
0 32 44
50
13 29 40
0 30 41
39
11 27 37
0 27 37
25
9 23 33
0 22 30
15
7 20 29
0 18 25
64
17 37 51
0 40 54
57
16 36 50
0 38 52
50
15 35 48
0 36 49
41
13 33 45
0 33 45
30
12 30 41
0 28 39
14
9 24 35
0 21 29
63
16 36 49
0 37 51
55
15 34 47
0 36 49
47
14 33 45
0 33 46
37
12 30 42
0 30 41
25
10 27 38
0 25 34
2
6 20 29
0 13 19
67
19 41 56
0 44 60
60
18 40 55
0 42 58
53
17 39 53
0 40 55
46
15 37 51
0 37 51
37
14 34 48
0 34 47
26
12 31 43
0 29 40
8
8 23 34
0 20 28
Figure 27.3 - 90° Hood Throw/Floor Coverage
Table 27.2 - Deflector Hood General Performance
Data - Model PTX
Z
Airflow
Model
Size
(cfm)
150
2139
90° Hood
S
(ft)
21
19
175
2726
17
16
15
17
200
2780
15
14
13
20
18
250
3994
17
15
15
22
20
18
17
300
4543
16
29
26
23
22
20
19
350
5278
27
24
22
20
19
18
32
400
5995
29
26
25
23
22
Note: Refer to Figures 27.2 through 27.3.
21
6-534.1
S
S
30° Hood
Temp
Mounting
Blade
Rise
Height
Angle
X
Y
(°F)
(ft)
(°)
(ft) (ft) (ft) (ft) (ft) (ft)
8
60
15 32 44
10
52
13 31 42
53
12
42
12 29 40
14
30
10 26 36
16
9
7
20 29
8
60
14 32 43
10
51
13 30 42
48
12
41
12 28 39
14
29
10 25 35
16
8
6
17 26
8
59
14 30 42
10
49
12 29 40
52
12
39
11 27 37
14
24
9
23 33
8
66
19 41 56
10
60
18 40 54
12
53
17 38 53
14
46
15 36 50
47
16
37
14 34 47
18
26
12 31 43
20
8
7
22 32
8
69
22 45 62
10
63
21 44 61
12
57
19 43 59
14
51
18 42 57
50
16
44
17 40 55
18
35
15 37 52
20
25
13 33 47
22
9
8
25 37
8
68
20 43 58
10
61
19 42 57
12
55
18 40 55
14
48
17 39 53
50
16
40
15 37 51
18
31
13 34 47
20
17
10 29 41
21
2
7
23 34
8
70
24 49 66
10
65
22 48 65
12
59
21 47 64
14
54
20 45 62
51
16
47
19 44 60
18
40
17 41 57
20
32
15 38 54
22
21
13 34 48
23
13
11 31 44
H
60° Hood
90° Hood
Z
X
Y
Z
S
(ft)
0
34 47
24
0
32 44
21
0
29 40
19
0
25 34
18
0
17 24
17
0
33 46
23
0
31 43
21
0
28 39
19
0
24 33
17
0
15 21
16
0
32 44
22
0
30 41
19
0
26 36
18
0
21 30
16
0
43 59
32
0
42 57
29
0
40 54
26
0
37 51
24
0
33 46
23
0
28 40
21
0
19 26
20
0
48 66
37
0
47 64
33
0
45 62
30
0
43 59
28
0
40 55
26
0
36 50
25
0
31 43
24
0
21 30
23
0
45 62
34
0
44 60
31
0
42 58
28
0
40 54
26
0
36 50
24
0
32 44
23
0
25 35
22
0
18 26
21
0
52 71
41
0
51 69
37
0
49 67
34
0
47 64
31
0
44 61
29
0
41 57
28
0
37 51
26
0
31 43
25
0
26 37
24
27

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