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FlowLine EchoSwitch II LU77 Series, Manual

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FlowLine EchoSwitch II LU77 Series Manual Download Page 8

8 of 33 

EchoSwitch II 

09 JUL 08 

 MN300650 

Rev 

A 

Specifications: 

Range: 

LU77: 4" to 8.2' 

 

(10 cm to 2.5m) 

 

LU78: 8" to 24.6' 

 

(20 cm to 7.5m) 

Repeatability: 0.25" 

(6.35 

mm) 

Effective Beam width:  3" (7.6 cm) dia. 
Dead band: 

LU77: 4” (10 cm) 

 

LU78: 8” (20 cm) 

LCD indication: 

Level and relay 
status 

Configuration: 

Push button, digital 
(3) 

Supply voltage: 

95-250 VAC 

Contact type: 

(3) SPDT relays 

Contact rating: 

60 VA, 1A max 

Contact fail-safety: 

Programmable / 
selectable 

Temp. comp.: 

Automatic 

Electronics temp.: 

F: -40° to 140° 

 

C: -40° to 60° 

Pressure: 

MWP = 30 PSI 

Enclosure rating:  

NEMA 4X (IP65) 

Enclosure vent:  

Water tight 
membrane 

Encl. material: 

Polycarbonate 

Encl. hardware: 

Brass and stainless 

Trans. material: 

PVDF 

Process mount: 

2” NPT (2” G) 

Mount. gasket:  

Viton® 

Conduit entrance:  

Dual, 1/2” NPT 

Classification:  

General purpose 

Compliance: RoHS 
Approvals: CE

 
 

Dimensions: 

Side View / LU77 Series 

 

Top View / All Models 

Side View / LU78 Series 

 

Rear View / All Models 

Summary of Contents for EchoSwitch II LU77 Series

Page 1: ... JUL 08 EchoSwitch II 1 of 33 Rev A MN300650 EchoSwitch II Manual MN300650 09 JULY 08 Revision A Flowline Inc 10500 Humbolt Street Los Alamitos CA 90720 Tel 562 598 3015 Fax 562 431 8507 www flowline com ...

Page 2: ...2 of 33 EchoSwitch II 09 JUL 08 MN300650 Rev A ...

Page 3: ...r Full Serial Number 2 Name and telephone number of someone who can answer technical questions related to the product and its application 3 Return Shipping Address 4 Brief Description of the Symptom 5 Brief Description of the Application On line Material Return Authorization can be found under Contact Us in the Navigation Bar along the side of the home page Click on Return Authorization to begin t...

Page 4: ...owline s factory or designated service center or are returned without the original casing on the products Moreover this warranty becomes immediately null and void if anyone other than service personnel authorized by Flowline attempts to repair the defective products Products which are thought to be defective must be shipped prepaid and insured to Flowline s factory or a designated service center t...

Page 5: ...guration no more target calibration Pump simplex duplex and triplex option Integrated timer for pump valve delay and pump alternation Available in a 2 5m 8 2 or 7 5m 24 6 maximum range Table of Contents Introduction 5 About this manual 6 Specifications 8 Dimensions 8 Getting Started 9 Getting Around 10 Feature Guide 13 How to enter the MENU 14 How to configure Units 14 How to configure the operati...

Page 6: ...e 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 II 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 unde...

Page 7: ...e system that accommodates for the possibility of relay and or power failure The normal relay state is where the relay coil is de energized and the Red relay LED is OFF Therefore if power is cut OFF to the switch it will de energize the relay Make sure that the de energized state is the safe state in your system design As such if switch power is lost a pump will turn OFF if it is connected to the ...

Page 8: ...PDT relays Contact rating 60 VA 1A max Contact fail safety Programmable selectable Temp comp Automatic Electronics temp F 40 to 140 C 40 to 60 Pressure MWP 30 PSI Enclosure rating NEMA 4X IP65 Enclosure vent Water tight membrane Encl material Polycarbonate Encl hardware Brass and stainless Trans material PVDF Process mount 2 NPT 2 G Mount gasket Viton Conduit entrance Dual 1 2 NPT Classification G...

Page 9: ... is the following information Basic Tank Information o HEIGHT Distance from the transducer face to the bottom of the tank o FILL H Maximum fill height of the liquid from the bottom of the tank Set Points o You will need the measured distance from the bottom of the tank to each set point These values will all be in the same distance value inches centimeters feet or meters and will all be measured f...

Page 10: ...he switch o HEIGHT Distance from the transducer face to the bottom of the tank o FILL H Maximum fill height of the liquid from the bottom of the tank o Press Exit to return to the Top level Menu o Note if UNITS is set to Percent then TANK will not appear To view TANK set UNITS to any of the following Inches Centimeters Feet or Meters RELAY 1 2 or 3 Allows end user to configure the function and ope...

Page 11: ...ion Both operations require setting a level for ON and another level for OFF EMPTY used to control a valve that empties a tank Typically Relay ON is the HIGH set point and Relay OFF the LOW set point Relay will energize at the high set point ON and remain on until the level reaches the low set point OFF and will remain off until the level returns to the high set point ON FILL used to control a val...

Page 12: ...elay when a fail safe condition occurs o OFF De energizes the relay when a fail safe condition occurs o HOLD Keeps the relay in its current state when a fail safe condition occurs M PLEX when two or three relays are configured as pumps they can be inter connected to alternate between each cycle M PLEX is only available when 2 or more relays are set for pumps M PLEX will not appear when only 1 rela...

Page 13: ...plications DELAY Pump turn on In MENU mode select relay and set the pump actions desired when the DELAY menu item is displayed press and set the turn on delay time in seconds The pump will now delay after the set point is reached before turn on Easy ALARM programming In MENU mode when the relay you wish to program is showing press SELECT then when ALARM appears select it then select HIGH or LOW th...

Page 14: ...lect 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 II for your application requirements When in PERCENT the operational span will be based upon the last TANK settings typically the factory settings for Height and Fill_H...

Page 15: ...enter the value press and hold SELECT Approximately 2 seconds until SAVED is displayed 5 When FILL H appears press SELECT 6 Using the UP and DOWN buttons set the Fill Height FILL H to the maximum fill height of the liquid from the bottom of the tank 7 Press and hold SELECT 2 seconds to enter the value 8 Select EXIT to return to Top Level Menu Note Flowline recommends that when selecting PERCENT co...

Page 16: ...s press SELECT 4 Using the UP and DOWN buttons set the HIGH ON set point for the relay 5 To enter the value press and hold SELECT Approximately 2 seconds until SAVED is displayed 6 When HYSTER appears press SELECT 7 Hysteresis HYSTER is the distance away from the original ON setting where the Alarm will turn OFF 8 Using the UP and DOWN buttons set the HYSTER OFF set point for the relay 9 Press and...

Page 17: ... press SELECT 4 Using the UP and DOWN buttons set the LOW ON set point for the relay 5 To enter the value press and hold SELECT Approximately 2 seconds until SAVED is displayed 6 When HYSTER appears press SELECT 7 Hysteresis HYSTER is the distance away from the original ON setting where the Alarm will turn OFF 8 Using the UP and DOWN buttons set the HYSTER OFF set point for the relay 9 Press and h...

Page 18: ...ELECT Approximately 2 seconds until SAVED is displayed 7 When OFF appears press SELECT 8 Using the UP and DOWN buttons set the OFF set point for the relay The OFF setting is always the level where the relay will de energize and will be the higher level between the two set points 9 Press and hold SELECT 2 seconds to enter the value If you want to add a delay when the PUMP starts continue on to step...

Page 19: ... SELECT Approximately 2 seconds until SAVED is displayed 7 When OFF appears press SELECT 8 Using the UP and DOWN buttons set the OFF set point for the relay The OFF setting is always the level where the relay will de energize and will be the lower level between the two set points 9 Press and hold SELECT 2 seconds to enter the value If you want to add a delay when the PUMP starts continue on to ste...

Page 20: ...ELECT Approximately 2 seconds until SAVED is displayed 7 When OFF appears press SELECT 8 Using the UP and DOWN buttons set the OFF set point for the relay The OFF setting is always the level where the relay will de energize and will be the higher level between the two set points 9 Press and hold SELECT 2 seconds to enter the value If you want to add a delay when the VALVE starts continue on to ste...

Page 21: ... SELECT Approximately 2 seconds until SAVED is displayed 7 When OFF appears press SELECT 8 Using the UP and DOWN buttons set the OFF set point for the relay The OFF setting is always the level where the relay will de energize and will be the lower level between the two set points 9 Press and hold SELECT 2 seconds to enter the value If you want to add a delay when the VALVE starts continue on to st...

Page 22: ...ntinue to step 4 If not jump to step 5 4 EchoSwitch II will allow you to select which two of three relays you would like to duplex When the correct combination of relays R1_R2 R2_R3 or R1_R3 is shown press SELECT 5 Select EXIT to return to Top Level Menu How to Triplex three relays Triplex enables EchoSwitch II to use three relays to alternate after each cycle while performing a lead lag lag opera...

Page 23: ...ing or emptying 1 Make sure at least two relays are in the same mode ex two relays are set as PUMPs that FILL or three relays are set as PUMPs that EMPTY If this is not true then M PLEX will not appear 2 When M PLEX appears press SELECT 3 Choose between DUPLEX or TRIPLX and press SELECT 4 When A TIME appears press SELECT 5 When HOURS appears press SELECT 6 Using the UP and DOWN buttons set the Alt...

Page 24: ...24 of 33 EchoSwitch II 09 JUL 08 MN300650 Rev A ...

Page 25: ...ower terminals are mechanically isolated so the inputs can be reversed Relay Connection The EchoSwitch II features three 60 VA 1A max SPDT relays All three relays are isolated and can be wired to switch either Normally Open NO or Normally Closed NC The example below shows Relay 2 wired NC and Relay 3 wired NO Make sure to select a relay state that is fail safe and takes into account when power is ...

Page 26: ...26 of 33 EchoSwitch II 09 JUL 08 MN300650 Rev A ...

Page 27: ...t install in applications with vacuum Fitting Selection Check the part number to determine the required fitting mount size and thread type EchoSwitch II is commonly installed in tank adapters flanges brackets or standpipes Note Always include the gasket when installing the EchoSwitch II 1 Tank Adapter Select a tank adapter fitting with minimal height so as to ensure that the installed transducer w...

Page 28: ...th the plane of the flange such as the Banjo 2 Poly ANSI Flange series AF200 2 Flange w thread out of plane 2 Flange w thread in plane 2 Flange w Reducer Bushing Do not use thread in plane If the installation requires the use of a blind flange tap a thread 1 larger than the sensors thread and add a Reducer Bushing such as a Spears thread x thread Reducer Bushing Use the 839 338 3 x 2 for LU78 seri...

Page 29: ... pipe and drill a 1 4 pressure equalization hole high in the dead band 6 Reducer Bushings A reducer bushing can be used to decouple the EchoSonic II from metallic fittings or flanges with threads in the plane or to connect the transmitter to a larger stand pipe Flowline P N Hayward P N Description LM52 1400 439 249 2 Thread x 1 Thread PVC Sch 40 LM52 1410 438 249 2 Socket x 1 Thread PVC Sch 40 LM5...

Page 30: ...30 of 33 EchoSwitch II 09 JUL 08 MN300650 Rev A ...

Page 31: ...n to the main program level Reset EchoSwitch II enables the end user to reset specific relays or the entire configuration within the level controller R All Resets the entire EchoSwitch II RST R1 Resets only the settings associated with Relay 1 RST R2 Resets only the settings associated with Relay 2 RST R3 Resets only the settings associated with Relay 3 Follow the instructions below to reset EchoS...

Page 32: ...ase note Simulation mode will energize and de energize all configured relays Any devices wired to the relays will become active during simulation mode Follow the instructions below to begin the Simulation mode SIM T 1 From the main MENU level press SETUP when HELP appears 2 When SIM T appears press the SELECT key 3 The display will start at 0 0 Press the UP button to begin increasing the level of ...

Page 33: ... Level of liquid is above the FILL_H setting Check the FILL_H setting making sure the FILL_H setting is high enough so the level of liquid is below the FILL_H setting Display shows EMPTY Level of liquid is beyond the HEIGHT setting Check the HEIGHT setting making sure the HEIGHT setting is low enough so the level of liquid is above the HEIGHT setting Pumps or Valves do not alternate M PLEX is set ...

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