12
DX3L
Series
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 2.1 below to determine the required distances for your model.
Model Number
Mounting
Angle*
Sides
Top
Below
Front
Behind
DX3L (20, 30, 40) - 50, 60 [N, P]
0°
9
(23)
9
(23)
6
(15)
47
(119)
45°
39
(99)
8
(20)
10
(25)
47
(119)
with 1 side shield
0°
29
(74)
8
(20)
6
(15)
47
(119)
with 2 side shields
0°
9
(23)
9
(23)
6
(15)
47
(119)
20 ft. from burner
0°
7
(18)
7
(18)
6
(15)
30
(76)
DX3L (20, 30, 40) - 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)
DX3L (30, 40, 50) - 100 [N, P]
0°
14
(36)
14
(36)
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)
DX3L (30, 40, 50, 60) - 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)
DX3L (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)
DX3L (50, 60, 70) - 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)
DX3L (50, 60, 70,80) - 200 [N, P]
0°
41
(104)
41
(104)
6
(15)
94
(239)
45°
63
(160)
8
(20)
10
(15)
94
(239)
with 1 side shield
0°
54
(137)
8
(20)
6
(25)
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)
Chart 2.1 •
Clearance to Combustibles in Inches (cm)
(see figure 2.1 for Mounting Angles)
Figure 2.1
•
Mounting Angles
* Heaters mounted on an angle between 0° to 45° must maintain clearances posted for 0° or 45°; whichever is greater.
0° Mounting Angle
45° Mounting Angle
0° Mounting Angle
with 1 Side Shield
0° Mounting Angle
with 2 Side Shields
Side
Side
Below
Top
Front
Behind
Below
Top
Front
Behind
Top
Side
Side
Top
Below
Below
2.0
Safety
•
Clearance to Combustibles
