Contents Safety Instructions ---------------------------------------------------------------------------- Precautions on Design/Selection --------------------------------------------------------- Mounting ---------------------------------------------------------------------------------------- Piping -------------------------------------------------------------------------------------------- Wiring -------------------------------------------------------------------------------------------- Lubrication -------------------------------------------------------------------------------------- Air Supply --------------------------------------------------------------------------------------- Operating Environment ---------------------------------------------------------------------- 7 Maintenance ------------------------------------------------------------------------------------ 7 Specific Product Precautions --------------------------------------------------------------- 8,9 Series VQ7-6 Single Unit How to order/Specification ----------------------------------------------------------- 10,11 Construction ----------------------------------------------------------------------------- 12 Manifold VV71 Series How to order ----------------------------------------------------------------------------- 13...
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.
Safety Instructions Caution SMC develops, designs, and manufactures products to be used for automatic control equipment, and provides them for peaceful use in manufacturing industries. Use in non-manufacturing industries is not allowed. Products SMC manufactures and sells cannot be used for the purpose of transactions or certification specified in the Measurement Act of each country.
VQ7-6/7-8 Series 5 Port Solenoid Valve / Precautions 1 Be sure to read before handling. Design / Selection 10. Extended periods of continuous energization If a valve will be continuously energized for an extended Warning period of time, the temperature of the valve will increase due 1.
VQ7-6/7-8 Series 5 Port Solenoid Valve / Precautions 2 Be sure to read before handling. Design / Selection 3. Tighten threads with the proper tightening torque. Caution When installing the products, follow the listed torque 3. Solenoid valve drive for AC with a solid state specifications.
VQ7-6/7-8 Series 5 Port Solenoid Valve / Precautions 3 Be sure to read before handling. Be sure to read before handling. Wiring 4. Use clean air. Do not use compressed air that contains chemicals, synthetic Warning oils including organic solvents, salt or corrosive gases, etc., as 1.
VQ7-6/7-8 Series 5 Port Solenoid Valve / Precautions 4 Be sure to read before handling. Operating Environment 3. Low-frequency operation Valves should be operated at least once every 30 days to Warning prevent malfunction. (Use caution regarding the air supply.) 1.
VQ7-6/7-8 Series 5 Port Solenoid Valve/Specific Product 1 Be sure to read this before handling. Manual Override Operation Installation and Removal of Pilot Valve Cover Caution Warning Installation and Removal of Pilot Valve cover Since connected equipment will be actuated when •...
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VQ7-6/7-8 Series 5 Port Solenoid Valve/Specific Product 2 Be sure to read this before handling. How to Wire DIN Terminal Internal Wiring Specifications Warning Caution Note)Regarding the wiring DIN 43650 A / ISO 4400 compatible for DC, coil surge Connection voltage generated 1.
Troubleshooting For valve failure, take following countermeasure Problem Possible causes Countermeasures referring to Problem. • Replace the valve. 1) Sliding failure or sticking of the • Purify the air source. main valve foreign matter The valve operates when coming from the air source is the manual override caught in the main valve, button is pushed?
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Troubleshooting For valve failure, take following countermeasure Problem Possible causes Countermeasures referring to Problem. 2-1) Tube is not inserted all the 2. Air leaks from the One-touch fitting. way into the fitting. Check all possible causes and make sure the piping is correct. Replace the part, if 2-2) Tube has a gouge necessary.
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