MN301450 Rev A
7
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Safety Precautions
Step Five
About This Manual:
PLEASE READ THE ENTIRE MANUAL PRIOR TO INSTALLING OR USING THIS
PRODUCT. This manual includes information on the Switch-Pro™ with Compact Junction Box from Flowline:
AU18-113_, AU18-213_ & AZ18-113_. The units are identical except for the material of construction and
sensing technology of the sensor.
User’s Responsibility for Safety:
Flowline manufactures a wide range of liquid sensors, controllers, and
mounting systems. It is the user's responsibility to select components that are appropriate for the application,
install them properly, perform tests of the installed system, and maintain all components. The failure to do so
could result in property damage or serious injury.
Proper Installation and Handling:
Use a proper sealant with all installations. Never over-tighten the
components. Always check for leaks prior to system start-up.
Material Compatibility:
o
Polypropylene
(PP, a polyolefin): Sensor (AU18-113_ series only), Junction Box.
o
Ryton
: Sensor (AZ18-113_ series only).
o
Perfluoroalkoxy
(PFA): Sensor (AU18-213_ series only).
o
Make sure that the application liquids are compatible with the materials that will be wetted. To determine
the chemical compatibility between the components and its application liquids, refer to the Compass
Corrosion Guide, available from Compass Publications (phone 858-589-9636).
Electrical Shock Hazard:
It is possible to contact components on the controller that carry high voltage,
causing serious injury or death. All power to the controller and the relay circuit(s) it controls should be turned
OFF prior to working on the controller. If it is necessary to make adjustments during powered operation, use
extreme caution and use only insulated tools. Adjusting powered controllers is not recommended. Wiring
should be performed by qualified personnel in accordance with all applicable national, state and local
electrical codes.
Flammable or Explosive Applications:
DO NOT USE THE
AU18-213 _, AU18-213 _ or AZ18-113 _
Switch-Pro™ GENERAL PURPOSE SENSOR WITHIN CLASSIFIED HAZARDOUS ENVIRONMENTS.
Warning
Flowline’s Switch-Pro™ level switches are not recommendable for use with electrically charged
application liquids. For most reliable operation, the liquid being measured may need to be
electrically grounded.
Make a Fail-Safe System:
Design a fail-safe system that accommodates the possibility of system or power
failure. In critical applications, Flowline recommends the use of redundant backup systems and alarms in
addition to the primary system.
While this manual offers some examples and suggestions to help explain the operation of FLOWLINE
products, such examples are for information only and are not intended as a complete guide to installing any
specific system.