Detroit Radiant Products Company LD3 Series - Manual (Page 18)

* The LV3-5EA-SUB add-on may only be ordered at the time of
heater production.
12.5”
12.5”
90 Degree 4” Elbow
P/N: E6
16”
16”
6”
20”
10”
20”
180 Degree 4” U-Bend
P/N: TF1B
See Chart 3.6 on page 22 for tube diameters and locations.
18
LD3 Series
Chart 3.3
Minimum Distance From Burner
Control Box to Elbow or U-bend
Accessory Fitting
Figure 3.11 • U-Bend and Elbow Dimensions
Chart 3.4
Overall Dimensions for Heaters Configured With U-Bend
180 Degree 3” U-Bend
P/N: DB-TF1B
90 Degree 3” Elbow
P/N: DB-E6
Tube Length Dimension B Notes
15 ft. N/A N/A
20 ft. 13’-0” N/A
30 ft. 17’-8” Requires P/N: LV3-5EA-SUB *
Model BTU Range Dimension A
40,000 10 ft.
50,000 10 ft.
3.0 Installation • Optional Elbow or U-Bend Accessory Configuration
Tube Clamp
Tube Clamp
Figure 3.10 • Elbow and U-Bend Clearances
Dimension A
U-Bend can be set in both directions
12”
Elbow can be set
in both directions
Tube Clamp
Tube Clamp
Dimension A
Dimension B
8”
11.5”
15”
16”
6”
18”
10”
20”
11.5”