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Limit Switch Box 

YT-850 Series 

                                                                            Product Manual 

 

Ver. 1.16 

 

 

Introduction 

1.1 

General Information for the users 

Thank you for purchasing Rotork YTC Limited products. Each product has been fully inspected after 

its  production  to  offer  you  the  highest  quality  and  reliable  performance.    Please  read  the  product 

manual carefully prior to installing and commissioning the product. 

 

Installation, commissioning, and maintenance of the product may only be  performed  by trained 

specialist personnel who have been authorized by the plant operator accordingly. 

 

The manual should be provided to the end-user.   

 

The  manual  can  be  altered  or  revised  without  any  prior  notice.  Any  changes  in  product

’s 

specification,  design,  and/or  any  components  may  not  be  printed  immediately  but  until  the 

following revision of the manual.     

 

The manual should not be duplicated or reproduced for any purpose without prior approval from 

Rotork YTC Limited, Gimpo-si, South Korea.   

 

In case of any other problems that are not stated in this manual, please make immediate contact 

to Rotork YTC Limited. 

 

1.2 

Manufacturer Warranty 

 

For  the  safety,  it  is  important  to  follow  the  instructions  in  the  manual.  Manufacturer  will  not  be 

responsible for any damages caused by user

’s negligence.   

 

Any modifications or repairs to the product may only be performed if expressed in this manual. 

Injuries and physical damages caused by customer’s modifying or repairing the product without 

a  prior  consultation  with  Rotork  YTC  Limited  will  not  be  compensated.  If  any  alterations  or 

modifications are necessary, please contact Rotork YTC Limited directly.     

 

The  warranty  period  of  the  product  is  (18)  months  from  the  date  of  shipment  unless  stated 

otherwise. 

 

Manufacturer  warranty  will  not  cover  products  that  have  been  subjected  to  abuse,  accidents, 

alterations,  modifications,  tampering,  negligence,  misuse,  faulty  installation,  lack  of  reasonable 

care, repair or service in any way that is not contemplated in the documentation for the product, 

or if the model or serial number has been altered, tampered with, defaced or removed; damages 

that  occurs  in  shipment,  due  to  act  of  God,  failure  due  to  power  surge,  or  cosmetic  damage.   

Improper or incorrectly performed maintenance will void this limited warranty. 

 

Plug an unused conduit entry with a plug to prevent foreign materials from entering. 

 

For  detailed  warranty  information,  please  contact  the  corresponding  local  Rotork  YTC  Limited 

office or main office in South Korea. 

Summary of Contents for YT-850 Series

Page 1: ...Limit Switch Box PRODUCT MANUAL YT 850 Series Rotork YTC Limited VERSION 1 16...

Page 2: ...d Functions 4 2 3 Label Description 4 2 4 Product Code 5 2 5 Product Specification 5 2 6 Certifications 6 2 7 Parts and Assembly 6 2 8 Product Dimension 7 2 9 Bracket Dimension 8 3 Installation 9 3 1...

Page 3: ...ow the instructions in the manual Manufacturer will not be responsible for any damages caused by user s negligence Any modifications or repairs to the product may only be performed if expressed in thi...

Page 4: ...with IP67 protection grade Various limit switch options available Polyester powder coating of YT 850 resist the corrosion process 2 3 Label Description MODEL Indicates the model number INGRESS PROTECT...

Page 5: ...Manufacturer SS5GL Omron PSN17 5DNU Autonics NPN type Switch Rating AC 250V 3A 125V 5A DC 250V 0 2A 125V 0 4A 30V 4A 14V 5A 8V 5A 12 24 VDC Explosion Proof Non explosion proof Enclosure Protection IP...

Page 6: ...er 1 16 6 2 6 Certifications All certifications below are posted on Rotork YTC Limited homepage www ytc co kr Electromagnetic Compatibility EMC EMC directive 2014 30 EC from April 2016 EC Directive fo...

Page 7: ...Limit Switch Box YT 850 Series Product Manual Ver 1 16 7 2 8 Product Dimension...

Page 8: ...Limit Switch Box YT 850 Series Product Manual Ver 1 16 8 2 9 Bracket Dimension...

Page 9: ...the unit s specification and ensure to use as specified Any input or supply pressures to valve actuator and or to other related devices must be turned off Use bypass valve or other supportive equipmen...

Page 10: ...50 Series Product Manual Ver 1 16 10 4 Connections Power There are two conduit entries on the product See 2 4 Product Code for conduit entry threads 4 1 Mechanical Type 2 x SPDT 4 2 Inductive proximit...

Page 11: ...Product Manual Ver 1 16 11 5 Adjustments 5 1 Upper Switch Adjustment Push down upper LS cam and turn right or left to required position 5 2 Lower Switch Adjustment Pull up lower LS cam and turn right...

Page 12: ...rk YTC Limited Address 81 Hwanggeum ro 89 Beon gil Yangchon eup Gimpo si Gyeonggi do South Korea Postal code 10048 Tel 82 31 986 8545 Fax 82 70 4170 4927 Email ytc sales rotork com Homepage http www y...

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