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.
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Safety Instructions Caution We develop, design, and manufacture our products to be used for automatic control equipment, and provide them for peaceful use in manufacturing industries. Use in non-manufacturing industries is not covered. Products we manufacture and sell cannot be used for the purpose of ransactions or certification specified in the Measurement Act.
VNC / VNH Series Solenoid Valves for Fluid Control Precautions 1 Be sure to read this before handling. Design Selection Warning Warning 1. Cannot be used as an emergency shutoff valve, 3) Install an aftercooler or air dryer, etc. etc. Compressed air that contains excessive drainage may cause The valves presented in this catalog are not designee for safety malfunction of valves and other pneumatic equipment.
VNC / VNH Series Solenoid Valves for Fluid Control Precautions 2 Be sure to read this before handling. Piping Maintenance Caution Warning 1. Preparation before piping 1. Removal of product Before piping is connected, it should be thoroughly blow out The valve will reach a high temperature when used with high with air (flushing) or washed to remove chips, cutting oil and temperature fluids.
VNC / VNH Series Solenoid Valves for Fluid Control Precautions 3 Be sure to read this before handling. How to use DIN connector Indicator Light/Surge Voltage Suppressor Disassembly Caution 1) Loosen screw (1) and pull up housing (2) in the direction of screw VNC1 (Valve size 1) (1) to remove the connector from the body (solenoid).
VNC / VNH Series Solenoid Valves for Fluid Control Specific Product Precautions 1 Be sure to read this before handling. Design Mounting Direction of Pilot Solenoid Valve Warning Warning 1. Extended periods of continuous energization If the product is an external type pilot, it is not splash proof. Be If a valve is continuously energized for long periods, heat careful not to expose it to any fluid when maintaining the valve.
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VNC / VNH Series Solenoid Valves for Fluid Control Specific Product Precautions 2 Be sure to read this before handling. Water Hammer (Series VNC) Conditions : piping length/ 30 m Conditions : piping length/ 30 m total pressure in total pressure in copper tube/ 0.49 MPa copper tube/ 0.49 MPa Fluid velocity, m/s...
Troubleshooting Seek the same trouble from the following table, and take the appropriate countermeasure. Trouble Item to check Countermeasure Is the voltage the rated Use the rated voltage. voltage? Is the wiring correct? Wire correctly. Is the switching signal Apply the specified voltage to the valve correctly. normal? Operation Is the pressure within the...
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