Installation (continued) – Sterling TF User Manual
Page 6
6
INSTALLATION (continued)
Table 2 - Heat Throw Data
Standard Heater
30° Nozzle
60° Nozzle
90° Nozzle
Degree
of
Nozzle
Distance From
Floor to Bottom
of Unit "H" - Feet
(m)
UNIT SIZE BTU/Hr
100,000
125,000
150,000
175,000
200,000
250,000
300,000
350,000
400,000
Approximate Distance of Heat Throw - Feet (Meters)
None
8
60
65
70
75
80
90
105
110
120
(2.4)
(18.3)
(19.8)
(21.3)
(22.9)
(24.4)
(27.4)
(32.0)
(33.5)
(36.6)
10
54
56
60
64
68
78
90
95
100
(3.0)
(16.5)
(17.1)
(18.3)
(19.5)
(20.7)
(23.8)
(27.4)
(29.0)
(30.5)
12
44
46
49
57
61
68
80
84
90
(3.7)
(13.4)
(14.0)
(14.9)
(17.4)
(18.6)
(20.7)
(24.4)
(25.6)
(27.4)
15
NR
NR
45
49
52
60
70
74
80
(4.6)
(13.7)
(14.9)
(15.8)
(18.3)
(21.3)
(22.6)
(24.4)
20
NR
NR
NR
NR
46
54
63
66
70
(6.1)
(14.0)
(16.5)
(19.2)
(20.1)
(21.3)
30°
8
65
70
75
80
85
95
115
120
125
(2.4)
(19.8)
(21.3)
(22.9)
(24.4)
(25.9)
(29.0)
(35.1)
(36.6)
(38.1)
10
57
60
64
68
72
86
99
105
110
(3.0)
(17.4)
(18.3)
(19.5)
(20.7)
(21.9)
(26.2)
(30.2)
(32.0)
(33.5)
12
50
54
57
60
64
77
88
94
100
(3.7)
(15.2)
(16.5)
(17.4)
(18.3)
(19.5)
(23.5)
(26.8)
(28.7)
(30.5)
15
NR
45
48
50
53
64
74
79
84
(4.6)
(13.7)
(14.6)
(15.2)
(16.2)
(19.5)
(22.6)
(24.1)
(25.6)
20
NR
NR
NR
44
47
58
66
71
75
(6.1)
(13.4)
(14.3)
(17.7)
(20.1)
(21.6)
(22.9)
60°
8
75
80
85
90
95
110
125
130
138
(2.4)
(22.9)
(24.4)
(25.9)
(27.4)
(29.0)
(33.5)
(38.1)
(39.6)
(42.1)
10
65
70
75
79
83
95
109
115
120
(3.0)
(19.8)
(21.3)
(22.9)
(24.1)
(25.3)
(29.0)
(33.2)
(35.1)
(36.6)
12
60
64
68
72
76
84
100
103
108
(3.7)
(18.3)
(19.5)
(20.7)
(21.9)
(23.2)
(25.6)
(30.5)
(31.4)
(32.9)
15
50
54
56
61
65
71
85
88
94
(4.6)
(15.2)
(16.5)
(17.1)
(18.6)
(19.8)
(21.6)
(25.9)
(26.8)
(28.7)
20
NR
49
52
55
59
65
77
81
85
(6.1)
(14.9)
(15.8)
(16.8)
(18.0)
(19.8)
(23.5)
(24.7)
(25.9)
90°*
15
30 x 25
35 x 30
40 x 35
45 x 40
50 x 40
60 x 45
70 x 45
80 x 50
100 x 50
(4.6)
(9.1) (7.6)
(10.7) (9.1)
(12.2) (10.7)
(13.7) (12.2)
(15.2) (12.2)
(18.3) (13.7)
(21.3) (13.7)
(24.4) (15.2)
(30.5) (15.2)
20
NR
NR
NR
NR
40 x 35
56 x 40
65 x 40
70 x 45
80 x 45
(6.1)
(12.2) (10.7)
(17.1) (12.2)
(19.8) (12.2)
(21.3) (13.7)
(24.4) (13.7)
25
NR
NR
NR
NR
NR
50 x 35
60 x 35
65 x 40
75 x 40
(7.6)
(15.2) (10.7)
(18.3) (10.7)
(19.8) (12.2)
(22.9) (12.2)
30
NR
NR
NR
NR
NR
NR
55 x 35
60 x 35
65 x 40
(9.1)
(16.8) (10.7)
(18.3) (10.7)
(19.8) (12.2)
* It is not recommended to mount a unit with a 90° nozzle under 10 feet.
Notes: 1. All throw data fi gures are approximations. Allowances should be made for optimum performance, altitude, etc.
2. NR - Units not recommended at these mounting heights.
3. 30°, 60° and 90° nozzles are shipped unassembled.