Flowline LU78 EchoSwitch - Manual (Page 4)

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SAFETY PRECAUTIONS Step Three
About this Manual: PLEASE READ THE ENTIRE MANUAL PRIOR TO INSTALLING OR USING THIS PRODUCT.
This manual includes information on the EchoSwitch® series ultrasonic level switch and transmitter from
FLOWLINE. Please refer to the part number located on the switch label to verify the exact model
configuration, which you have purchased.
User’s Responsibility for Safety: FLOWLINE manufactures a broad range of level sensing technologies.
While each of these sensors is designed to operate in a wide variety of applications, it is the user’s
responsibility to select a sensor model that is appropriate for the application, install it 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: Only properly trained staff should install and/or repair this product.
Install the switch with the included Viton® gasket and never over tighten the switch within the fitting. Always
check for leaks prior to system start‐up.
Wiring and Electrical: A supply voltage of 95‐250 VAC is used to power the EchoSwitch®. Electrical wiring
of the switch should be performed in accordance with all applicable national, state, and local codes.
Material Compatibility: The enclosure is made of Polycarbonate (PC). The transducer is made of
Polyvinylidene Fluoride (PVDF). Make sure that the model, which you have selected, is chemically compatible
with the application media.
Enclosure: While the switch housing is liquid‐resistant the EchoSwitch® is not designed to be operational
when immersed. It should be mounted in such a way that the enclosure and transducer do not come into
contact with the application media under normal operational conditions.
The enclosure has a flip cover with dual 1/2” NPT female conduit ports and an internal terminal strip for
wiring. To open the enclosure, you will need a small insertion tool such as a screwdriver. Loosen the locking
screw located at the top front of the enclosure. Rotate the hinged cover up for 135° access to the faceplate
and terminal strips. Before closing the enclosure, make sure that the enclosure gasket is properly seated, and
that any conduit fittings, cable connectors or plugs are installed correctly and sealed.
Handling Static‐Sensitive Circuits/Devices: When handling the transmitter, the technician should follow
these guidelines to reduce any possible electrostatic charge build‐up on the technician’s body and the
electronic part.
1. Always touch a known good ground source before handling the part. This should be repeated while
handling the part and more frequently after sitting down from a standing position, sliding across the
seat or walking a distance.
2. Avoid touching electrical terminals of the part unless making connections.
3. DO NOT open the unit cover until it is time to calibrate.
4. Wipe unit with a damp cloth when cleaning.