INTRODUCTION
Step Two
About this Manual: PLEASE READ THE ENTIRE MANU- AL PRIOR TO INSTALLING OR USING THIS PRODUCT. This manual includes information on the LVCN700 series Ultrasonic Level Switch. Please refer to the part number located on the switch label to verify the exact model con- figuration which you have purchased.
User’s Responsibility for Safety: Omega manufactures a broad range of level sensing technologies. While each of these sen- sors 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 sys- tem, 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 overtighten the switch within the fitting. Always check for leaks prior to system
Wiring and Electrical: A supply voltage of
Material Compatibility: The LVCN700 series enclosure is made of a flame retardant Polycarbonate (PC/ABS FR). The trans- ducer 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 LVCN700 series housing is
Make a
Flammable, Explosive or Hazardous Applications:
The LVCN700 series should not be used within classified haz-
Warning
Always use the Viton gasket when installing the Ultrasonic switch, and make sure that all electrical wiring of the switch is in accordance with applicable codes.
TECHNOLOGY
Step Three
A. Application: The general purpose ultrasonic level switch pro- vides
. The switch is well suited for a wide range of corrosive, waste and slurry type media, and is broadly selected for atmospheric day tank, pump lift station and waste sump applications.
B. Part Number: The part and serial numbers are located on the wrench flat. Check the part number on the product label and confirm which of the below model configurations you have purchased:
Part Number | Range | Supply | Mount |
LVCN704 | 4’ (1.2m) | 1” NPT | |
LVCN704G | 4’ (1.2m) | 1” NPT | |
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4’ (1.2m) | 1” NPT | ||
4’ (1.2m) | 1” NPT | ||
LVCN709 | 9.8’ (3m) | 1” NPT | |
LVCN709G | 9.8’ (3m) | 1” NPT | |
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9.8’ (3m) | 1” NPT | ||
9.8’ (3m) | 1” NPT | ||
LVCN716 | 16.4’ (5m) | 1” NPT | |
LVCN716G | 16.4’ (5m) | 1” NPT | |
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16.4’ (5m) | 1” NPT | ||
16.4’ (5m) | 1” NPT | ||
LVCN726 | 26.2’ (8m) | 2” NPT | |
LVCN726G | 26.2’ (8m) | 2” NPT | |
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26.2’ (8m) | 2” NPT | ||
26.2’ (8m) | 2” NPT | ||
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C. NEMA 4X Enclosure: The enclosure has a flip cover with two 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. Insert the tool into the hole located at the front of the enclosure and gently push on the latching mechanism to release the cover. 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.
LVCN726 |
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Shown |
| L1 L2 |
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RELAY | RELAY | RELAY POWER |
1 | 2 | 3 |
| Cal. | Run |
High |
| Low |
| Select |