Owner's manual

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SECTION 2 HPN-IOM-2014-0416 INSTALLATION
2-9
! 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.
The vent line connection on the
gas pressure regulator must be
piped to outdoor air by the installer
in accordance with National Fuel
Gas Code, ANSI Z223-1-1991 or
latest addenda. In Canada, gas
installations must be in accordance
with the current CAN/CGA B149.1 and
2 and/or local codes.
If a  re does occur, extinguish using
CO2 foam or dry chemical. Do not use
water.
4 CAUTION
Proper selection of thermal  uid is
critical to system performance.
 Selecting a Thermal Fluid
The selection of the thermal  uid most suited to your application is very
important. Factors to be considered include e ciency, thermal stability,
adaptability to various systems, and physical properties, including vapor
pressure, freezing point, and  ash and  re points.
Heat transfer  uids of both mineral and synthetic origin have been specially
developed to give thermal stability over a very wide range of temperature. A
wide variety of thermal  uids have been used successfully in Fulton Thermal Fluid
Heater systems, however, your  nal selection should be made in conjunction
with recommendations from Fulton or the  uid manufacturer.
Consider the following for thermal  uid selection:
1. The Fulton coil design heater is a  red heat exchanger and the safe
control and monitoring of the thermal  uid temperature is of paramount
importance.
2. The safe maximum bulk temperature of the  uid must be strictly adhered
to. The safe maximum temperature of the  uid varies.
3. Special care must be taken when consulting  uid manufacturers’ literature,
as maximum  uid temperatures quoted are the actual limit to which any
of the  uids may be subjected. It is important to remember that in any
 red heater there exists a “ lm temperature” which is higher than the
temperature of the “bulk” of the  uid. It is the BULK  uid temperature and
NOT the FILM temperature that is indicated by the instruments.
4. As a general guide, the following list of  uids that have given satisfactory
service over many years is provided. This is by no means a complete list.
Any  uid speci cally designed for heat transfer use may be considered;
multipurpose oils are not acceptable.
 AMOCO Transfer Oil 4199
 CHEVRON
 DOW G
 EXXON 43
 MOBIL
 MONSANTO
 MULTITHERM
 PARATHERM
 PETROCANADA T
 SHELL
 TEXACO
5. Any  uid speci cally designed for heat transfer use must also exhibit these
characteristics:
 Be a stable and homogenous liquid to a temperature of at least 100°F
(38°C) over and above the maximum intended temperature of utilization,
compatible with metals used in the installation, and tolerating contact