FlowLine EchoSwitch LU78 Series Quick Start Manual
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- Quick start manual (12 pages)
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Summary of Contents for FlowLine EchoSwitch LU78 Series
- Page 1 EchoSwitch Ultrasonic Liquid Switch and Transmitter LU74 & LU78 Series Quick Start ©2019 Flowline, Inc. All Rights Reserved Made in USA Flowline, Inc. | 10500 Humbolt Street, Los Alamitos, CA 90720 p 562.598.3015 f 562.431.8507 w flowline.com QS300282 Rev B...
- Page 2 Note: If using the Flowline LM90-1001 (liquid tight fitting) on the ½” conduit, the cable minimum is 0.170” (4.3mm) and the maximum is 0.450” (11.4mm).
- Page 3 (example: 8” High to 4” Inner Diameter). Mounting in Side Mount Bracket: Use Flowline's LM50-1001 side mount bracket. LM50-1001 Shown Note: The Side Mount Bracket (LM50 series) is not designed for use with stand pipes or as a method to secure stand pipes.
- Page 4 IMPO ORTANT MO UNTING GUI IDELINES 1) Never mo ount the sen nsor at an an ngle. 2) Liquid sh hould never e enter the de ad band. 3) Mount at t least 3” from m the side w wall. 4) Never mo ount the sen nsor in a vac...
- Page 5 ® WIRING THE ECHOSWITCH ® The following wiring diagram can be used when wiring to the EchoSwitch relays. Note: All three relays share the COM terminal. Relay 1 has both a NO and NC terminal while Relays 2 and 3 have just a NO terminal.
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Page 6: Top-Level Menu
CONFIGURE THE SENSOR EchoSwitch® can be configured before installation. The switch features non-volatile memory, so the set points configured before installation will not be lost when the switch is powered down. To start, all you need is the following information: Basic Tank Information ... - Page 7 SET UNITS The EchoSwitch® displays information in the following units: inches, feet, centimeters, meters or percentage. The value shown on the display represents the amount of liquid in the tank. 1) Press & hold SELECT for 5 seconds to enter TOP-LEVEL MENU.
- Page 8 SET A HIGH ALARM RELAY A high alarm relay will notify you when the tank level reaches a preset high level: 1) Press and hold SELECT for 5 seconds to enter TOP-LEVEL MENU. 2) Select RELAY1, RELAY2 or RELAY3. 3) Select ALARM. 4) Select HIGH (SAVED appears).
- Page 9 FILL A TANK WITH A PUMP OR VALVE The relays can also be used to automatically fill a tank when the level inside drops too low. To set the sensor to automatically fill a tank: 1) Press and hold SELECT for 5 seconds to enter TOP- LEVEL MENU.
- Page 10 EMPTY A TANK WITH A PUMP OR VALVE The relays can also be used to automatically empty a tank when the level inside gets too high. To set the sensor to automatically empty a tank: 1) Press and hold SELECT for 5 seconds to enter TOP- LEVEL MENU.
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Page 11: Troubleshooting
Information on how to set a LOW or HIGH alarm, as well as how to FILL or EMPTY a tank with a pump, can also be found in the EchoSwitch® Manual located on Flowline’s website at www.flowline.com. QS300282 Rev B... -
Page 12: Warranty
PERSON IS AUTHORIZED TO MAKE ANY OTHER WARRANTIES OR REPRESENTATIONS ON BEHALF OF FLOWLINE. This warranty will be interpreted pursuant to the laws of the State of California. If any portion of this warranty is held to be invalid or unenforceable for any reason, such finding will not invalidate any other provision of this warranty.
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