Flowline LU78 EchoSwitch - Manual (Page 10)

10 of 34 MN300282 Rev A
CONFIGURATION Step Five
This section will take you through the key steps in the setup and configuration of the EchoSwitch®:
1) Select the units for configuration.
a. Determine the measurement units that will be used to configure the sensor.
2) Measure the distance from the bottom of the tank (empty level) to the bottom of the sensor.
a. Be sure to include the added height of installation fittings.
3) Measure the distance from the bottom of the tank (empty level) to the full level of liquid.
a. Take into account the dead band of the sensor.
4) Determine how many relays you will use and what each of their functions will be.
a. Example: relay will fill a tank with a pump and relay 2 will provide a high alarm.
5) Measure the distances from the bottom of the tank (empty level) to the positions for all of the relay
functions.
a. Pump and Valve functions will have typically have two set points, the level where the pump
turns on and where it turns off or the level where the valve opens and closes.
How to enter the TOP‐LEVEL MENU
1. Press and hold SELECT (approximately 5 seconds)
until PROG is displayed.
2. The TOP‐LEVEL MENU items will rotate through
display.
3. Use SELECT to choose a MENU item.
How to exit the TOP‐LEVEL MENU
In TOP‐LEVEL MENU, press SELECT when RUN appears.
How to configure UNITS
1. In the TOP‐LEVEL MENU mode, press select when
2. Press SELECT to choose between INCHES, CM
(centimeter), FEET, METERS or PERCENT.
3. Select EXIT to return to the TOP‐LEVEL MENU.
Note: Reading the level of liquid in Percent
 Flowline recommends that when selecting PERCENT,
configure the Height and Fill_H settings before
selecting PERCENT in order to span the EchoSwitch®
for your application requirements.
 When in PERCENT, the operational span will be
based upon the last TANK settings, 100% will occur
at the Fill‐H level and 0 percent at the bottom of the
tank.
 When PERCENT is selected, the TANK settings
(Height and Fill_H) will be disabled.