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CTH2-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL
24
SECTION 7: OPTIONAL HEATER ACCESSORIES
7.1 U-Tube Configuration
Heaters (except CTH2-40) are approved for optional
U-Tube configurations.
The U-Tube may be installed in either a standard hor-
izontal position, a 45° position or in an opposite 45°
position as shown on Page 7, Figure 7 through Figure
9. When using a U-Tube configuration, the following
additional rules must be adhered to:
• A minimum of 10' (3 m) on CTH2-60/80 and a min-
imum of 15' (4.5 m) on CTH2-100/125/150/175 is
required between the burner and the U-Tube.
• The correct turbulator (
See Page 20, Figure 6.4
)
must be installed in the last standard section of
tube.
• The burner must never be operated in a tilted posi-
tion.
• The heater must be properly supported at all loca-
tions.
See Page 26, Figure 19
.
WARNING
Cut/Pinch Hazard
Wear protective gear during installation,
operation and service.
Edges are sharp.
Failure to follow these instructions can result
in injury.