Roberts Gorden GordonRay BH-60 Installation, Operation & Service Manual page 33

FIGURE 20: U-Tube Heater Layout Overview
LEGEND
Burner
Reflector
Tube 10' (3.0 m)
Tube 5' (1.5 m)**
Tube/Reflector
Hanger
Coupling
Assembly
U-tube
Vent Adapter
(Not Shown)
a = 14" (36 cm)
Reflector Width (Not Shown)
b = 2" (5 cm)
End Cap to Burner
c = 2" (5 cm)
End Cap to Hanger
d = 7' 6" (2.3 m)
Distance First Hanger
e = 10' (3.0 m)
Distance Between Hangers
f = 5' (1.5 m)
Distance Between Last Full Tube
Hanger and Half Tube Hanger
g = 12.5" (32 cm) Burner Length
h = 11" (28 cm) Burner Height
* Requires the last reflector
before the u-tube to be cut in
half for use on both sides.
** Requires the last tube before
the u-tube to be cut in half for
use on both sides.
b
c
g
e
h
'
20 (6.1 m) Tube Length*
b
c
g
d
h
'
30 (9.1 m) Tube Length**
b
c
g
d
h
'
40 (12.2 m) Tube Length
b
c
g
d
h
'
50 (15.2 m) Tube Length* **
SECTION 7: O H A
PTIONAL EATER
f
e
e f
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CCESSORIES