Roberts Gorden Gas-Fired - Manual (Page 32)

CTH2-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL
26
FIGURE 19: U-Tube Heater Layout Overview
LEGEND
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" (229 cm)
distance first hanger
e = 10' (305 cm)
distance between hangers
f = 5' (153 cm)
distance between last full tube
hanger and half tube hanger
g = 17.5" (44 cm)
burner length
h = 9.5" (24 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.
U-Tube
Burner
Reflector
Tube 10'
Tube/Reflector
Hanger
Coupling
Assembly
c
b
d e g
h
40' Tube Length
c
b
d f g
h
30' Tube Length
g
c
b
20' Tube Length*
h
e
Tube 5' **
**