4 way/4 and 5 port, rubber seal, solenoid pilot valve, interchangeable with the nvj series, low power consumption: 0.5w, base mounted/body ported configurations, manifolds with built-in 'one-touch' fittings (42 pages)
Safety Instructions These safety instructions are intended to prevent hazardous situations and/or equipment damage. These instructions indicate the level of potential hazard with the labels of “Caution,” “Warning” or “Danger.” They are all important notes for safety and must be followed in addition to International Standards (ISO/IEC) , and other safety regulations.
Page 4
Safety Instructions Caution 1. The product is provided for use in manufacturing industries. The product herein described is basically provided for peaceful use in manufacturing industries. If considering using the product in other industries, consult SMC beforehand and exchange specifications or a contract if necessary. If anything is unclear, contact your nearest sales branch.
SY Series Precautions for 5 Port Solenoid Valve 1 Be sure to read before handling. Design / Selection 8. Operation in a vacuum condition Warning When a valve is used for switching a vacuum, take Confirm the specifications measures to install a suction filter or similar to Products represented in this instruction manual are prevent external dust or other foreign matter from...
SY Series Precautions for 5 Port Solenoid Valve 2 Be sure to read before handling. Design / Selection Operation in a low temperature condition It is possible to operate a valve in extreme Caution temperature, as low as -10 C. Take appropriate Momentary energization measures to avoid freezing of drainage, moisture If a double solenoid valve is operated with...
SY Series Precautions for 5 Port Solenoid Valve 3 Be sure to read before handling. Piping Caution Rc type Refer to the Fittings and Tubing Tighten with the proper torque shown below. precautions for handling one-touch fittings. Tightening Torque for Piping Applicable Connection Proper tightening torque Preparation before piping...
SY Series Precautions for 5 Port Solenoid Valve 4 Be sure to read before handling. Lubrication Warning Use clean air Do not use compressed air that contains chemicals, Lubrication synthetic oils including organic solvents, salt or corrosive gasses, etc., as it can cause damage or [Rubber seal] malfunction.
SY Series Precautions for 5 Port Solenoid Valve 5 Be sure to read before handling. Operating Environment Caution Warning Drain flushing Do not use in an atmosphere having corrosive Remove drainage from the air filters regularly. gases, chemicals, sea water, water, water steam, or where there is direct contact with any of these.
SY series Specific Product Precautions 1 Be sure to read this before handling Operating Environment ■ Push-turn locking lever type [Type E] Do not use in an atmosphere having corrosive gases, Push down on the manual override by finger until it chemicals, sea water, water, water steam, or where stops, and then turn it 60°...
Page 11
SY series Specific Product Precautions 2 Be sure to read this before handling Back Pressure Check Valve Light/Surge Voltage Suppressor There are two types of back pressure check valves; the one which is built into a valve (with rubber seal type only) and the one which is built in on the manifold side with connector connection.
Page 12
SY series Specific Product Precautions 3 Be sure to read this before handling Light/Surge Voltage Suppressor Continuous Duty If a valve is energized continuously for a long period of time, the rise in temperature due to heat-up of the coil assembly may cause a decline in solenoid valve performance, reduce service life, or have adverse effects on peripheral equipment.
Page 13
SY series Specific Product Precautions 4 Be sure to read this before handling Countermeasure for Surge Voltage Intrusion Light Indication ■ Sneak-in of surge voltage When equipped with indicator light With non-polar type valves, at times of sudden and surge voltage suppressor, interruption of the loading power supply, such as the light window turns orange emergency shutdown, surge voltage intrusion may...
Page 14
SY series Specific Product Precautions 5 Be sure to read this before handling Substrate Assemblies inside Manifolds Port Block Assembly and How to Change Piping Types between Top and Side Substrate assemblies inside of manifolds cannot be taken For top ported type, the port size of A and B ports can be apart.
Page 15
SY series Specific Product Precautions 6 Be sure to read this before handling Changing One-touch Fittings Changing One-touch Fittings By replacing One-touch fittings of valve or manifold base, it is possible to change the connection diameter of the 4(A), 2(B), 1(P), 3/5(E) ports. When replacing the One-touch fittings, remove the clip or the plate and the plate mounting screws with a screwdriver before pulling the One-touch fittings off.
Page 16
SY series Specific Product Precautions 7 Be sure to read this before handling Tube detachment Push in the release button sufficiently, pushing its collar equally around the circumference. Pull out the tube while holding down the release button so that it does not come out. If the release button is not pressed down sufficiently, there will be increased bite on the tube and it will become more difficult to pull it...
Page 17
SY series Specific Product Precautions 8 Be sure to read this before handling One-touch Fittings When fittings are used, they may interfere with one another depending on their types and sizes. Therefore, the dimensions of the fittings to be used should first be confirmed in their respective catalogs. Fittings whose compliance with the SY series is already confirmed are stated below.
TROUBLESHOOTING Should any trouble be found during operation, trace the source of the trouble in the following order and take corrective action. Trouble phenomenon Cause expected Measures ① Faulty operation Pilot valve is not operated Fall of power supply voltage. ②...
Page 22
Remedy Remedy ① Regulate voltage, so that the voltage at the time of the operation becomes specifications range. ② Re-wire correctly. ③ Replace part. ④ Replace part or re-wire positively. ⑤ Replace valve. ⑥ Regulate pressure so that pilot pressure will fall within operating pressure range furing operation. ・If wrong oil is used, completely air blow to remove oil, and replace valve.
Need help?
Do you have a question about the SY3000 SERIES and is the answer not in the manual?
Questions and answers