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 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.
VG342 Series - - 4 - - 3 Port Solenoid Valve / Precautions 1 Be sure to read before handling. Design / / / / Selection 8. Ventilation Warning Provide ventilation when using a valve in a confined area, such as in a closed control panel. For example, install a 1.
VG342 Series - - 5 - - 3 Port Solenoid Valve / Precautions 2 Be sure to read before handling. Design / / / / Selection Mounting Caution Warning 2. Solenoid valve drive for AC with a solid state 1. Operation manual output (SSR, TRIAC output, etc.)
VG342 Series - - 6 - - 3 Port Solenoid Valve / Precautions 3 Be sure to read before handling. Piping Air Supply Caution Warning 1. Type of fluids 3. Connection of fittings Please consult with SMC when using the product in When screwing fittings into valves, tighten as follows.
VG342 Series - - 7 - - 3 Port Solenoid Valve / Precautions 4 Be sure to read before handling. Operating Environment Caution Warning 1. Do not use in an atmosphere having corrosive 1. Drain flushing gases, chemicals, sea water, water, water steam, Remove drainage from the air filters regularly.
VG342 Series - - 8 - - 3 Port Solenoid Valve / Specific Product 1 Be sure to read before handling. Light/Surge Voltage Suppressor How to Change Passage State M4X0.7 Caution AC, 100 VDC or more In the case of indicator light assembly Terminal no.
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VG342 Series - - 9 - - 3 Port Solenoid Valve / Specific Product 2 Be sure to read before handling. Continuous Duty 3. Assembly Caution 1) Passing through the cable (7), the cable gland (4), plain washer (5), and rubber seal (6), housing (2) in If energizing the valve for a long time, use “VG342□-□□□-...
TROUBLE SHOOTING Should any trouble be found during operation, trace the source of the trouble in the following or der and take correcitve action. Trouble phenomenon Cause expected Measures Remedy Pilot valve is not operated. Low line voltage Faulty operation Faulty wiring Blown fuse of disconnection lead wire Poor contact at contactor wire or connection part...
REMEDY Remedy Regulate voltage, so that the voltage at the time of the operationbecomes specifications range. Re-wire correctly. Replace part. Replace part or re-wire positively. Replace pilot valve assembly. Adjust pressure so that pilot pressure will fall within operating pressure range during opretation. -If worng oil used, completely air blow to remove oil and replace valve.
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