1
EchoSwitch®
Ultrasonic
Level
Switch
and
Transmitter
LU77
Series
Quick
Start
QS300284
Rev
A1
©2013
Flowline,
Inc.
All
Rights
Reserved
10500
Humbolt
Street,
Los
Alamitos,
CA
90720
USA
Made
in
Tel:
562.598.3015
•
Fax:
562.431.8507
www.flowline.com
Page 1: ...nic Level Switch and Transmitter LU77 Series Quick Start QS300284 Rev A1 2013 Flowline Inc All Rights Reserved 10500 Humbolt Street Los Alamitos CA 90720 USA Made in USA Tel 562 598 3015 Fax 562 431 8...
Page 2: ...e EchoSwitch Manual or other support documentation located at www flowline com We Do Your Level Best Thank you for purchasing EchoSwitch The sensor provides integrated LCD and three push button config...
Page 3: ...plastic tanks use one of the following 1 Use a 1 bulkhead fitting such as the LM52 1890 bulkhead fitting 2 Use a larger bulkhead fitting such as the LM52 2890 with a reducer bushing such as the LM52...
Page 4: ...ing Avoid the use of multiple pipe fittings when possible An ideal mount would be to select a 2 coupling S x T or S x S and connect the pipe to the inside slip and use a reducer bushing to attach the...
Page 5: ...sensor directly from main power source The following wiring diagrams can be used for the 4 20 mA output of the EchoSwitch Some notes on safety Where personal safety or significant property damage can...
Page 6: ...ill Height settings also determine the 4 to 20 mA current span The Height setting determines the 4mA position and the Fill H setting determines the 20 mA position TOP LEVEL MENU The sensor is configur...
Page 7: ...set the height and fill height for your tank 1 Press hold SELECT for 5 seconds to enter TOP LEVEL MENU 2 Select TANK 3 Select HEIGHT 4 Use the UP and DOWN buttons to set the height of your tank To ent...
Page 8: ...hold SELECT for 2 seconds and release SAVED will display 8 Select EXIT to return to the TOP LEVEL MENU Set a Low Alarm Relay A low alarm relay will notify you when the tank level reaches a preset low...
Page 9: ...nter value press and hold SELECT for 2 seconds and release SAVED will display 7 Select OFF 8 Use the UP and DOWN buttons to set the OFF set point for the relay This is the higher of the two set points...
Page 10: ...To enter value press and hold SELECT for 2 seconds and release SAVED will display 7 Select OFF 8 Use the UP and DOWN buttons to set the OFF set point for the relay This is the lower of the two set poi...
Page 11: ...de energized state is the safe state in your system design The EchoSwitch does use non volatile memory so any power loss will not affect the settings or configuration of the sensor Select Fail Safe Cu...
Page 12: ...been subjected to electrical mechanical or chemical damage due to improper accidental or negligent use 3 have been modified or altered 4 anyone other than service personnel authorized by Flowline have...
