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HLV Series 

 

 

        HITROL CO., LTD.                                                                                3 

 

When the product is powered up, the motor rotates and it rotates the shaft and paddle that are 
connected  together.  If  the measurements  in  the  container  do  not  touch  to rotating  paddle,  the 
micro  switch  will  turn 

Off

  as  the  motor  is  rotated  without  any  load,  and  if  the  measurement 

touches the turning paddle, the rotating paddle will stop and the micro switch will turn 

ON

 

■ Simple to install 
■ Easy to operate 
■ Simple structure and it makes maintenance easy 
■ Having various paddle types 
■ Applicable to explosion area (Ex-Proof Version / Ex d IIB T6) 
* Because of the clutch-type slip is built in, the motor is not under load even if excessive force is 

applied on the paddle. 

 

■ Building material industry (Lime, Casting, etc) 
■ Food industry (Cells, Flour, Salt, etc) 
■ Plastic industry (Large-weight plastic particles) 
■ Chemical industry 

 

The HLV Series is a paddle type level switch which detects the level inside the tank and is 
used  in  the  process  of  alerting  the  user  according  to  their  use  and  measurement.  This 
detector  has strong  structure, good reliability,  and long  life benefits. It  is mainly  used  in 
Hopper and is used to measure molecules such as Powder, Grains, and Lumps.

 

Micro switch 

Motor 

Shaft 

Paddle 

Process connection 

Head 

Terminal block 

Overview 
 
 
 

 

Operation 
Principle 
and 
Product 
Configuration 
 
 
 
 

 

 

 

 

 

 

 

Features 

 
 
 
 
 
 
 
Applications 
 
 
 
 

 
 
 
 

 
 

Summary of Contents for HLV Series

Page 1: ...ev 1 3 Issue date 2020 11 HITROL CO LTD HEAD OFFICE FACTORY R D INSTITUDE HITROL CO LTD 141 Palhakgol gil Jori eup Paju si Gyeonggi do Korea TEL 82 31 950 9700 FAX 82 31 943 5600 www hitrol com INSTRUCTION MANUAL PADDLE TYPE LEVEL SWITCH HLV Series ...

Page 2: ...arry outthework Table of Contents Overview 3 Operation Principle and Product Configuration 3 Features 3 Applications 3 Specification 4 HLV 300 Series 4 HLV 310 Series 4 Dimensions 5 Installation 7 Wiring 7 Precautions for Installation 8 Maintenance 9 Precautions for Removal 9 Precautions for Grounding 9 Precautions for Inserted External Wire Ex proof 9 Safety and Environment 10 Marking 10 User Tra...

Page 3: ...B T6 Because of the clutch type slip is built in the motor is not under load even if excessive force is applied on the paddle Building material industry Lime Casting etc Food industry Cells Flour Salt etc Plastic industry Large weight plastic particles Chemical industry The HLV Series is a paddle type level switch which detects the level inside the tank and is used in the process of alerting the u...

Page 4: ... Switch Length 300mm Std Max 600mm 300mm Std Max 4 000mm Extention Ver Process Connection PF 1 M Std Material Housing AL C Shaft Paddle SUS 304 Cable Entry PF 3 4 F Std HLV 310 Series Model HLV 310 HLV 310H HLV 310HP Installation Top or Side Type Flange Ambient Temperature 20 C 60 C Process Temperature Max 80 C Max 180 C Max 200 C Process Pressure ATM Power Source AC 110V 220V 60Hz Power Consumpti...

Page 5: ...HLV Series HITROL CO LTD 5 Dimensions The dimensions on the following pages are indicated in mm HLV 300 HLV 300H HLV 300 Ex HLV 300 Ex Extension Ver ...

Page 6: ...HLV Series HITROL CO LTD 6 Some tolerances may occur with actual products HLV 310 HLV 310H HLV 310HP HLV Series Paddles HLV Series Foldable Type Paddle 3 2 1 ...

Page 7: ...ted inside the hopper shall be checked to specification 5 If the paddle does not fit into the connection the folding paddle shall be applied 6 If the temperature of the housing is significantly different from the ambient temperature a solvent filling or Gortex Ventilation shall be applied prior to use as condensation may occur 7 Use the same standard flange or screw Since it is divide into AC 110V...

Page 8: ...installations it isrecommended to install the sun cover to avoidtheeffectsof temperature increases Make surethatthe paddles are not in contact withthehopper sducts or walls After the installation is completeandthe cover of theproduct is assembled power it on Make sure to insert washers between bolts and nuts to prevent loosening When you attach the product to a hopper make sure that it is as bonde...

Page 9: ...roof Make sure that any O ring or gasket is not damaged while opening or closing the cover of product The grounding has an external and an internal grounding When connecting to an external ground the ground wire shall be 4 4mmSQ The internal grounding wire shall be the same size as the power line and the size of the internal grounding terminal lug shall be 3 1 3 1mmSQ If the power line is larger t...

Page 10: ...rters A S Precautions for Use Make sure to connect the product and vessel using required tools for sure Keep the lock key safe and make sure that it is locked Do not apply high impact to the product Precautions for Wiring Make sure to wire contacts correctly Internal ground inside product housing and external ground shall be connected Pay attention to prevent electric shock Disposal of Product Mak...

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