USER'S MANUAL
Contents
1. Specification Category YT 310 YT 315 Max Supply Pressure Max 10 2kgf cm 142psi Max Output Pressure Max 7 1kgf cm 100psi In Output Pressure Ratio 1 1 Flow Capactiy Cv 4 98 In Output Connection NPT 3 4 Signal Connection NPT 1 4 Linearity 11 F S Hysteresis 1 Ambient Temp 20 70 C St nd 20 120 C High 40 70 Low Material Aluminum Dicasting Stainless Steel 316 Weight 2 3kg 5 0kg Part and Assembly Adjust Bolt M8x40 Bollt Upper Cover se Balance Spring Spring Seat ping Exhaust Disk Upper Diaphragm Main Seat Exhaust Ring Base Body Lower Diaphragm Stem Main Disk Stem Spring Drain Plug Please be knowledgeable of products major parts and assembly steps for future maintenance Volume Booster Relays YT 310 YT 315 Operation Logic The air pressure is being supplied to actuator by the supply pressure from regulator which sends output signal to signal port The upper diaphragm G9 is being pushed down to lower diaphragm and push main disk 9 The air pressure then will be supplied to actuator through exhaust port Balanced output and signal pressure will move upper diaphragm 3 which would maintain the rate 1 1 constantly If output is higher than signal pressure then diaphragm assembly will be raised which would result exhaustion of output pressure through exhaust ring 4 Output pressure s sensitivity to signal can be adjusted by rotating adjust bolt2. D and safety of closed loop system can be enhanced INPUT OUT SIGNAL aa Adjust bolt CLOSE gt t OPEN Upper cover Upper Diaphragm ee Nn o0 N S Exhaust ring Exh Ring Lower diaphragm Main seat 8 6 Base body SUPPLY OUT et SF lt Main disk 9 pring 19 Drain plug SUPPLY PORT Volume Booster Relays YT 310 YT 315 Installing Caution When installing the product please follow below procedures e Always wear safety eguipments and follow safety procedures e Compressed gas can be exploded and damage the body parts or surrounding structure if the products maximum specification exceeded Please check the product s specification before installing Also in order to minimize the damage in case of accident please make sure all of the compressed pressurized input lines by passed e For maintenance please stop volume booster s operation timely basis e A must be clean dry and not corrosive gas which must be passed through the filter e Inflow air will be exhausted through the exhaust port which located on the side of the volume booster e Please be check exhaust port for substances or obstacle Also make sure not to leave volume booster in sealed places e t is recommended to use appropriate capacity of air filter regulator Install Layout YT 310 should be installed between actuator positioner and supply pipes
3. and can be installed without a bracket which can be supported only by air pressure pipes Before connecting pipes please make sure the inside of pipes are clear and the size of the pipe are relevant to the capacity If the booster must be mounted on a bracket the bracket must be made according to the outer dimension on the previous page Volume Booster Relays YT 310 YT 315 Install Example SUPPLY Max 10kgf cm E YT 200 Air filter regulator LINEAR ACTUATOR TYPE YT 200 Air filter regulator SUPPLY Max 10kgf cm ROTARY ACTUATOR TYPE Volume Booster Relays YT 310 YT 315 Maintenance Please refer to below table repair kit and parts name pg 2 Before replacing any parts please make sure to follow field s safety instruction and manual to avoid any accidents and damages to the product Repair Kit Part Name Qty Upper Diaphragm 1 ea Lower Diaphragm 1 set Stem Assembly 1 set O Ring 2 ea When using Repair Kit all of the parts must be replaced at the same time Partial replacing part may result shortening product s life cycle Troubleshooting P No valve operation response to signal to positioner D Please check if air pressure supplied is constant and normal from regulator to positioner and or volume booster 2 Please check if air pressure is being exhausted from positioner s exhaust port 3 Please check if supply and exhaust
4. Volume Booster Relays YT 310 YT 315 USER S MANUAL YTC V 1 01 Volume Booster Relays YT 310 YT 315 Product Description Volume booster relay YT 310 YT 315 used in pneumatic control valve which receives positioner s output signal and supply air pressure actuator for reduce response and adjusting time Product Characteristic e Supplies constant air pressure at the rate of 1 1 e By passing control enhance safety of control valve e Responses to slight changes in input signal which increases accuracy of output of air pressure to actuator e No leakeage of air pressure Label pen ER RELAY ax sie i S6 FO JA I2GellC MAX Sic OUT SUP OUT PORT N PT 3 4 YOUNG TECH CO LTD Made in Korea PRODUCT NO MODEL Indicates product s model suffix and options if any Please see below table for more detailed information on suffix MAX SUP Indicates maximum level of air supply MAX SIG OUT Indicates maximum signal output level SIG PORT Indicates the size of signal input port SUP OUT PORT Indicates the size of output port PRODUCT NO Indicates the product s unique serial number Suffix Symbol YT 310 YT 315 follows suffix symbols as below YT 310 YT 315 1 2 1 Connection Size P PT N NPT 2 Ambient Temperature 1 20 70C 2 20 120 C 3 40 70C Volume Booster Relays YT 310 YT 315
5. ing 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 and cosmetic damage Improper or incorrectly performed maintenance or report voids this Limited Warranty e For detailed warranty information please contact the corresponding local Young Tech Co Ltd office or headquarter office in South Korea Young Tech Co Ltd Address 662 8 Pungmu Dong Gimpo City Kyunggi Do South Korea Telephone 82 31 986 8545 Fax 82 31 986 2683 Website http Awww ytc kr User Manual and other information on the documents are subjected to change without any notice Please visit website for most updated information Printed Date June 2007
6. port are being not blocked gt Unstable valve operation when signal has been sent to positioner D Please reduce valve packing and or valve friction level 2 Please increase size of the actuator P Hunting occurs when signal has been sent to positioner Please Please Please reduce gt Slow valve 000 Please Please Please Please reduce valve packing and or valve friction level increase size of the actuator rotate control screw counter clockwise on top of the booster to sensitivity operation when signal has been sent to positioner check if regulator control pressure is too low check if supply pipe to actuator is blocked check if there is any leakage rotate control screw clockwise on top of the booster to enhance sensitivity Manufacturer Warranty For the safety it is imperative to follow install instruction in the manual lt is not manufacturer s responsibility for any damages due to the user s negligence lt is not manufacturer s responsibility for any damages or accident due to user s alteration of the product and parts If alteration or modification is necessary please contact the manufacturer directly Manufacturer warrants the product from the date of original retail purchase of the product for one 1 year except as otherwise stated Manufacturer warranty will not cover the products that the product have been subjected to abuse accident alteration modification tamper
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