Detroit Radiant Products Company HLV Series - Manual (Page 25)

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HLV Series 3.0 Installation • Tube Assembly and Mounting • Common Accessories
10.5” 12.5”
Elbows and Intersections
Elbows and intersections are common components in a tube heater vacuum system. Refer to Chart 3.2
for minimum distance requirements from the burner control box for these accessories.
Note: Proper tee usage is critical. Refer to the HLV Series Accessory Book for additional system
accessories and options.
90° Elbow
(P/N: E6)
Figure 3.9 • Common Tube Connections
Individual Burner Input (BTU/h) Minimum Distance
40,000 to 60,000 10 ft.*
75,000 to 80,000 10 ft.*
90,000 to 100,000 10 ft.*
110,000 to 125,000 10 ft.*
140,000 to 150,000 15 ft.*
170,000 to 180,000 15 ft.*
200,000 20 ft.
In-line Tee
(P/N: V-TI)
Cross
(P/N: V-CR)
Chart 3.2 • Minimum Distance From Burner to First Elbow or Intersection (covered with reflector*)
Figure 3.10 • Common Accessory Dimensions
90° Elbow
P/N: E6
12.5”
Tee
P/N: V-T or V-TI
Cross
P/N: V-CR
Damper
P/N: V-D
11.5”
1’-9”
1’-4”
4”
4”
10.5”
Tee
(P/N: V-T)
Flow
* Exposed tube connections (elbow, tees,
u-bends and intersections not covered
with a reflector) cannot be placed less
than 20 feet downstream of burner. The
top clearance of an exposed tube
connection to combustibles is 18 in.