Fulton Vertical Coil (FT-C_S) Thermal Fluid (hot oil) Heater - Manual (Page 33)

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2-27
SECTION 2
FTCS-IOM-2013-1114
INSTALLATION
!
WARNING
All information in this manual is for
reference and guidance purposes,
and does not substitute for required
professional training, conduct,
and strict adherence to applicable
jurisdictional/professional codes and
regulations.
Failure to ensure vent connections
terminate into a well-ventilated
area with catch tank may create an
environmental hazard.
 Pressurized Systems
Nitrogen pressurization may be used if the total system content is very large, or
in a system operating near or above the vapor pressure of the fl uid employed, or
if the inlet of the DA tank is not the highest point in the piping system, or at any
time to further protect the fl uid from oxidation.
In conjunction with this system, adhere to the following:
1. An automatic venting device must be fi tted to the system expansion tank.
Consult Fulton Thermal Corporation for further details.
2. The location for the liquid level switch (Figure 15) is a 2-1/2” NPT connection
on the same end of the tank as the inlet. The liquid level switch is supplied
and shipped with the unit, and must be installed by the customer and then
wired to the control panel.
3. If the tank is located outdoors, nitrogen is required.
FIGURE 15 - LIQUID LEVEL SWITCH LOCATION