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Read this Manual Before Installing

This  manual  provides  information  on  the  Multi-Point

Vertically Mounted Liquid Level Float Switch. It is impor-

tant that all instructions are read carefully and followed in

sequence. Detailed installation and wiring instructions are

included in this manual. 

Conventions Used in this Manual

Certain  conventions  are  used  in  this  manual  to  convey

specific types of information. General technical material,

support  data,  and  safety  information  are  presented  in

narrative  form.  The  following  styles  are  used  for  notes,

cautions, and warnings. 

NOTES

Notes contain information that augments or clarifies an

operating step. Notes do not normally contain actions.

They follow the procedural steps to which they refer. 

Cautions

Cautions alert the technician to special conditions that

could  injure  personnel,  damage  equipment,  or  reduce

a  component’s  mechanical  integrity.  Cautions  are  also

used to alert the technician to unsafe practices or the

need  for  special  protective  equipment  or  specific

materials.  In  this  manual,  a  caution  box  indicates  a

potentially  hazardous  situation  which,  if  not  avoided,

may result in minor or moderate injury.

Notice  of  Trademark,  Copyright,  and

Limitations

Copyright © 2009 Solutions With Innovation

LLC; D.B.A. Innovative Solutions 

All rights reserved.

Performance specifications are effective with date of issue

and  are  subject  to  change  without  notice.  Innovative

Solutions  reserves  the  right  to  make  changes  to  the

product  described  in  this  manual  at  any  time  without

notice.  Innovative  Solutions  makes  no  warranty  with

respect to the accuracy of the information in this manual.

Warranty

All  Innovative  Solutions  mechanical  level  and  flow  con-

trols are warranted free of defects in materials or work-

manship for one full year from the date of original factory

shipment.
If returned within the warranty period; and, upon factory

inspection  of  the  control,  the  cause  of  the  claim  is

determined  to  be  covered  under  the  warranty;  then,

Innovative Solutions will repair or replace the control at no

cost to the purchaser (or owner) other than transportation.

Innovative Solutions shall not be liable for misapplication,

labor  claims,  direct  or  consequential  damage  or  expense

arising from the installation or use of equipment. There are

no  other  warranties  expressed  or  implied,  except  special

written warranties covering some Innovative Solutions products.

Quality Assurance

The  quality  assurance  system  in  place  at  Innovative

Solutions guarantees  the  highest  level  of quality through-

out the company. We are committed to providing full cus-

tomer  satisfaction  both  in  quality  products  and  quality

service. 

Summary of Contents for L500

Page 1: ... t t te e e ed d d d L L L Li i i iq q q qu u u ui i i id d d d L L L Le e e ev v v ve e e el l l l F F F Fl l l lo o o oa a a at t t t S S S Sw w w wi i i it t t tc c c ch h h h M M M Mo o o od d d de e e el l l l L L L L5 5 5 50 0 0 00 0 0 0 Installation and Operating Manual 60 Great Hill Road Naugatuck CT 06770 ph 203 729 6434 fax 203 729 6696 www innovativesensing com ...

Page 2: ... Solutions With Innovation LLC D B A Innovative Solutions All rights reserved Performance specifications are effective with date of issue and are subject to change without notice Innovative Solutions reserves the right to make changes to the product described in this manual at any time without notice Innovative Solutions makes no warranty with respect to the accuracy of the information in this man...

Page 3: ...tion 3 1 Description 4 3 2 Theory of Operation 4 3 3 Troubleshooting 4 3 3 1 External Causes 4 3 3 2 Unit Causes 5 3 4 Agency Approvals 6 3 5 Specifications 7 3 5 1 Float Specifications 7 3 5 2 Electrical Specifications 7 3 5 3 Switch Wiring Code 7 3 5 4 Custom Configurator 8 3 6 Replacement Parts 9 3 7 Product Configurator 10 Table of Contents m m m mo o o od d d de e e el l l l l l l l5 5 5 50 0...

Page 4: ... for future reference when order ing parts Model Number Serial Number 1 2 Before You Begin Caution During the installation of the Multi Point Vertically Mounted Liquid Level Float Switch the float area must be kept free of metallic particles that might be attracted to the magnet inside the float 1 2 1 Site Preparation 1 Ensure that the length and the inside diameter of the mounting is sized correc...

Page 5: ...4 NOTE Observe all applicable electrical codes and proper wiring procedures Contact Protection In order to take advantage of the long life highly reliable charac teristics of a reed switch it is essential to provide protection when switching inductive loads When current is interrupted the induc tance of the load generates a high frequency voltage which appears across the switch contacts If the vol...

Page 6: ...g or peeling away The resulting bare wires can cause short circuits Check wiring carefully and replace at first sign of brittle insulation Check all electrical connections to ensure that they are tight Check wiring carefully and repair or replace if nec essary 2 1 2 Inspect Entire Unit Periodically A periodic cleaning of the float and stem will ensure con tinued free movement of the mechanism 2 2 ...

Page 7: ...a non magnetic pressure barrier As the liquid level changes the float along with the float magnet moves The magnetic field of the float magnet causes a change of state of the switch making or breaking an electrical circuit 3 3 Troubleshooting The Multi Point Vertically Mounted Liquid Level Float Switch is designed and engineered for trouble free operation Common problems are discussed in terms of ...

Page 8: ...leaning procedures the entire control must be replaced 4 If the complete level switch operates properly when removed from service check to ensure that liquid is enter ing the tank or vessel A closed valve or clogged pipeline may prevent movement of the liquid in the vessel 5 Check the float to make sure it is buoyant in the liquid tank or vessel must have adequate level 6 If the float is determine...

Page 9: ...ency Approvals UL L500 E203716 Recognized under UL508 motor controllers NJ0T8 motor controllers Multi Point Vertically Mounted Liquid Level Float Switch 6 AGENCY APPROVED MODEL FILE NUMBER AREA CLASSIFICATION ...

Page 10: ...re with red or yellow stripes 2 Each switching point requires one float For special applications a single float can be used to activate two switch points though these points must have a minimum separation of 1 8 3mm The maximum number of actuation levels depends on the wiring type selected 3 Standard Lead wires are 24 long 22 AWG UL approved wire 3 5 2 Electrical Specifications Signal Output Switc...

Page 11: ...nt D 1 4 Minimum distance between actuation points when a single float is used to actuate two switches One float can activate the two switches when the lower switch is N C and the upper switch is N O Notes 1 A B and C dimensions are based on a media specific gravity of 1 0 2 When using one float for two actuation points contact the factory for available switch ratings 3 Actuation levels are calibr...

Page 12: ...quid Level Float Switch 9 3 6 Replacement Parts Item Description 1 Enclosure 2 Float 3 Retaining Clip or Collar Important Contact factory for ordering assistance on all replacement parts There are many options available to choose from ...

Page 13: ...d Liquid Level Float Switch 10 TECHNOLOGY TYPE IDENTIFIER L X X X A B B C C D D E E 03 50VA SPST 04 100VA SPST 06 3VA SPDT 14 100 W SPDT 00 No Mounting 02 1 4 NPT 03 3 8 NPT 04 1 2 NPT 05 3 4 NPT 06 1 NPT 07 1 1 4 NPT 08 1 1 2 NPT MOUNTING SIZE 500 1 2 Diameter Stem SERIES 02 Polypropylene hollow 03 Polypropylene solid 05 PVC 08 316 SS 20 Buna N F 00 No Enclosure 01 Polypropylene NEMA 4 02 Cast Al...

Page 14: ...Notes ...

Page 15: ...s of the control to be replaced In such cases credit for the materials returned will be determined on the basis of the applicability of our warranty Noclaimsformisapplication labor directorconsequentialdam age will be allowed Return Material Procedure Sothatwemayefficientlyprocessanymaterialsthatarereturned itisessentialthata ReturnMaterialAuthorization RMA num ber be obtained from the factory pri...

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