background image

YT-700 series 

 

1. Introduction 
 

1.1 

General Information for the users 

Thank you for purchasing Young Tech Co., Ltd 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 commission the product.     

  For the safety, it is important to follow the instructions in the manual.    Young Tech Co., 

Ltd will not be responsible for any damages caused by user’s negligence.     

 

The manual should be provided to the end-user.   

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

manual.  

  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 Young Tech Co., Ltd, Gimpo-si, South Korea.   

 

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.   

  Manufacturer will not be responsible for any damages or accidents as a result of any 

alteration or modification of the product and its parts.    If any alteration or modifications 

are necessary, please contact Young Tech Co., Ltd directly.     

  Manufacturer warrants the product from the date of original purchase of the product for 

one (1) year, except as otherwise stated. 

  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.     

 

For detailed warranty information, please contact Young Tech Co., Ltd – South Korea.   

 

1.3 

Explosion Proof Warning 

Please ensure the unit is being used and installed within the explosion proof certified 

environment.   

 

YT-700 series explosion proof grades are 

Ex d IIC T6 

and can be used in 

zone 1.   

 

  Explosion proof type of cables and gaskets should be used, when explosion gases are 

Summary of Contents for YT-700 Series

Page 1: ...SOLENOID VALVES PRODUCT MANUAL YT 700 SERIES VERSION 1 02 ...

Page 2: ...Product Specification 5 2 6 Parts and Assembly YT 700S 3 way 6 2 7 Parts and Assembly YT 700D 4 way 6 2 8 Operation Logic YT 700S 3 way 7 2 9 Operation Logic YT 700D 4 way 7 2 10 Dimension YT 700S 3 way 8 2 11 Dimension YT 700D 4 way 9 3 Installation 9 3 1 Safety 9 3 2 Manual Switch 10 4 Connection 10 4 1 Safety 10 4 2 Supply Pressure Condition 10 4 3 Piping Condition 11 4 4 Connection Actuator 11...

Page 3: ...r any damages caused by user s negligence Manufacturer will not be responsible for any damages or accidents as a result of any alteration or modification of the product and its parts If any alteration or modifications are necessary please contact Young Tech Co Ltd directly Manufacturer warrants the product from the date of original purchase of the product for one 1 year except as otherwise stated ...

Page 4: ...General Solenoid valve YT 700 series given AC or DC electric signal outputs supply air pressure to valve or changes the output port direction 2 2 Main Features and Functions Designed to be Ex d IIC T6 explosion proof grade Easy replacement of coil as both AC and DC type use same enclosure Can test the operation in manual switch without power source High durability as valve body is pneumatic pressu...

Page 5: ...3 pie at 0 4 Mpa 0 75 0 084 1 6 pie at 0 7 Mpa Exhaust 0 093 N A Rating AC 220V 9 5W 51mA 13 5W 61mA AC 110V 4 8W 57 8mA 14 5W 130mA DC 24V 3 8W 158mA 13 5W 560mA Frequency 50 60 Hz Explosion Proof Ex d IIC T6 Connection Type PT NPT 1 4 Conduit Entry PF 1 4 G1 2 Coil Insulation Grade Class B Ambient Temp Operating 20 70 C Explosion 20 50 C Weight 0 8 kg 1 8 lb 0 9 kg 2 0 lb ...

Page 6: ...6 YT 700 series 2 6 Parts and Assembly YT 700S 3 way 2 7 Parts and Assembly YT 700D 4 way ...

Page 7: ...t the same time the air pressure will exhaust through the channel between the plunger 6 vent 2 and body cap 1 2 9 Operation Logic YT 700D 4 way As signal pressure is being supplied plunger 6 rises and creates a gap between the nozzle 9 and plunger 6 which results primary air pressure to push down the spool 11 and exhausts air to OUT2 C2 When signal pressure has been turned off the plunger 6 moves ...

Page 8: ...8 YT 700 series 2 10 Dimension YT 700S 3 way ...

Page 9: ...Check unit s specification and ensure to use as specified Follow other explosion proof procedures and safety precautions Use bypass valve or other supportive equipment to avoid entire system shut down YT 700 series is designed for explosion area Make sure all input and supply pressure to valve actuator and other related devices must be turned off ...

Page 10: ...air avoiding moisture oil or dust Always recommended to use air filter regulator i e YT 200 series Young Tech Co Ltd has not tested positioner s operation with any other gases other than clean air Please contact Young Tech Co Ltd for any questions 4 2 Supply Pressure Condition Dry air with at least 10 lower than ambient temperature Avoid from dusty air Positioner s inner filter can only filter 5 m...

Page 11: ...line should have more than 6mm of inner diameter 10mm outer diameter to maintain flow rate The length of pipeline system should not be extremely long Longer pipeline system may affect flow rate due to the friction inside of the pipeline 4 4 Connection Actuator YT 700 series can be installed with or without a bracket 4 4 1 YT 700S 3 way 4 4 2 YT 700D 4 way ...

Page 12: ...e twisted cable with conductor section are 1 25mm2 and that is suitable for 600V complying to the conductor table of NEC Article 310 The outer diameter of the cable should be between 6 35 10mm Use shield wire to protect against electro magnetic field and noise Please do not install the cable near high noise equipment such as high capacity transformer or motor 5 Maintenance Two parts can be replace...

Page 13: ...istance between and poles If the resistance is too high the coil can be burned Plunger operates but no exhaust when input signal has been supplied Please check if supply pressure from the regulator is stable Please check if regulator pressure is too low Please check if exhaust port has been blocked Air pressure exhausts when there is no input signal Please check if switch is at automatic A positio...

Page 14: ...eries Manufacturer Young Tech Co Ltd 3022 Hagun ri Yangchon myeon Kimpo si Kyeonggi do 415 843 South Korea Tel 82 31 986 8545 Fax 82 31 986 2683 Email ytc ytc co kr Copyright Young Tech Co Ltd All Rights Reserved ...

Reviews: