World Leaders in Ultra-Pure Heating
Revision 10
www.heateflex.com
01/17/13
405 E. Santa Clara St.
Arcadia, CA 91006-7218
Tel: (626) 599-8566 Fax: (626) 599-9567
4.0 Safety Systems
This equipment is not designed, nor intended, for use by the general public, or by anyone who
is not fully trained in the operation of steam-powered, industrial equipment with automatic
electrical and pneumatic control systems. Before anyone should attempt to operate or service
the equipment, he or she should read, and have a full understanding, of the equipment and its
operation as described in this manual.
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4.1 Overview
The Fluidix D.I.
Water
Heating
System is provided with a full complement of automatic safety
devices, which prevent a serious safety hazard irrespective of settings entered into the touch-
screen user interface.
The unit itself is also protected against damage under normal and
abnormal operation as the highest temperature the equipment can “see” is that of the incoming
steam from the customer‟s steam supply.
Harm to the equipment resulting from a “runaway”
in the steam supply temperature/pressure is prevented by means of a large, pressure-relief
valve fitted on the exchanger vessel.
Normal precautions should be observed to prevent electrical shock and burns from the hot
surfaces on the equipment. Only voltages of 24 volts or less are supplied to components
outside of the electrical enclosure on the unit and the highest voltage within the electrical
enclosure is 120 VAC. All hot surfaces are protected with insulation excepting the PVDF
piping, which is not hot enough to cause serious burn, but should be insulated with
polyethylene foam insulation after the unit is installed, run through temperature cycling, and all
possible leaks are eliminated.
Although the unit itself is protected from harm from any temperature/pressure up to the set
point of the pressure relief valve regardless of the failure of all other safety systems on the unit,
care should be taken to ensure that equipment downstream of the unit is protected.
The two basic abnormal conditions that can exist on the equipment are over-pressure and over-
temperature for both the shellside steam and the tube side D.I. water. The system is equipped
with a complement of manual and automatic devices that are designed to avoid hazardous
conditions in the event of the failure of the various components, systems, and software used on
the equipment.
The control system is protected with a door interlock switch, which will prevent the unit from
powering up when the control box is open. In addition, if the unit is powered up and the door
is opened the door interlock switch will shut off the unit.
Note: All default parameters can be found in Section 8.3.2: Fluidix PC Factory Default
Parameters and in the Appendix Section 8.6 Parameter Log.
