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BLACKHEAT
®
INSTALLATION OPERATION AND SERVICE MANUAL
28 of 74
Figure 24: U-Tube Layout Overview
Model
BH15UT BH20UT BH25UT/EF BH30UT/EF BH35UT/EF BH40UT/EF BH45UT/EF BH50UT/EF
Reflector
Overlap
(approx.)
1780 mm 250 mm 250 mm 580 mm 580 mm 580 mm 690 mm 690 mm
BH20UT
BH25UT/EF
BH15UT
BH30UT/EF
BH35UT/EF
BH40UT/EF
BH45UT/EF
BH50UT/EF
a = overall width (not shown) - 850 mm
b = end cap to burner/fan - 50 mm
c = end cap to hanger - 50 mm
d = distance first hanger - 2290 mm
e = distance typical between hangers - 3050 mm
f = distance between last full tube
hanger and half tube hanger - 1900 mm
g = burner height - 366 mm
h = burner length - 291 mm
U-Tube
Burner
Reflector
Tube
Tube/Reflector
Hanger
Coupling
Assembly
LEGEND
h
c
b
d
g
h
c
b
d
g
f
h
c
b
de
g
h
c
b
de
g
f