12
DET3
Series
Chart 2.4 •
Clearance to Combustibles in Inches
(cm)
(see figure 2.1 for Mounting Angles)
*
Heaters mounted on an angle between 0° to 45° must maintain clearances posted for 0° or 45°; whichever is greater.
2.0
Safety
•
Clearance to Combustibles
Model Number
Mounting
Angle*
Sides
Front
Behind
Top
Below
DET3 (20, 30, 40) - 65, 75 [N, P]
0°
9
(23)
9
(23)
6
(15)
60
(152)
45°
39
(99)
8
(20)
10
(25)
60
(152)
with 1 side shield
0°
29
(74)
8
(20)
6
(15)
60
(152)
with 2 side shields
0°
9
(23)
9
(23)
6
(15)
60
(152)
20 ft. from burner
0°
7
(18)
7
(18)
6
(15)
30
(76)
DET3 (30, 40) - 100 [N, P]
0°
14
(35)
14
(35)
6
(15)
66
(168)
45°
39
(99)
8
(20)
10
(25)
66
(168)
with 1 side shield
0°
29
(74)
8
(20)
6
(15)
66
(168)
with 2 side shields
0°
16
(41)
16
(41)
6
(15)
66
(168)
20 ft. from burner
0°
7
(18)
7
(18)
6
(15)
30
(76)
DET3 (40, 50) - 125 [N, P]
0°
20
(51)
20
(51)
6
(15)
76
(193)
45°
58
(147)
8
(20)
10
(25)
76
(193)
with 1 side shield
0°
42
(107)
8
(20)
6
(15)
76
(193)
with 2 side shields
0°
20
(51)
20
(51)
6
(15)
76
(193)
20 ft. from burner
0°
7
(18)
7
(18)
6
(15)
30
(76)
DET3 (40, 50, 60) - 150 [N, P]
0°
24
(61)
24
(61)
6
(15)
81
(206)
45°
58
(147)
8
(20)
10
(25)
81
(206)
with 1 side shield
0°
42
(107)
8
(20)
6
(15)
81
(206)
with 2 side shields
0°
23
(58)
23
(58)
6
(15)
81
(206)
20 ft. from burner
0°
11
(28)
11
(28)
6
(15)
44
(112)
DET3 (50, 60) - 175 [N, P]
0°
34
(86)
34
(86)
6
(15)
92
(234)
45°
63
(160)
8
(20)
10
(25)
92
(234)
with 1 side shield
0°
50
(127)
8
(20)
6
(15)
92
(234)
with 2 side shields
0°
30
(76)
30
(76)
6
(15)
92
(234)
20 ft. from burner
0°
11
(28)
11
(28)
6
(15)
44
(112)
DET3 (50, 60) - 200 [N, P]
0°
41
(104)
41
(104)
6
(15)
94
(239)
45°
63
(160)
8
(20)
10
(25)
94
(239)
with 1 side shield
0°
54
(137)
8
(20)
6
(15)
94
(239)
with 2 side shields
0°
30
(76)
30
(76)
6
(15)
94
(239)
20 ft. from burner
0°
11
(28)
11
(28)
6
(15)
44
(112)
Figure 2.1
•
Mounting Angles
45° Mounting Angle
0° Mounting Angle
with 1 Side Shield
(P/N: SSE)
0° Mounting Angle
with 2 Side Shields
(P/N: SSE)
Front
Behind
Below
Top
Front
Behind
Below
Top
Side
Side
Below
Top
0° Mounting Angle
Side
Side
Below
Top
When installing the tube heating system, the minimum clearances to combustibles for your model tube
heater and system configuration
must
be maintained. Refer to Chart 2.4 below to determine the required
distances for your model.
