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Safe Use
Special Conditions of Safe Use (All installations)
Clean only with a damp cloth to prevent possibility of electrostatic discharge.
For Explosion Proof installations, the internal ground connection shall be used and the external ground connection, if
supplied in addition, is supplemental bonding allowed where local authorities permit, or is required.
When installing with a third party listed nipple-mount solenoid, it is the responsibility of the installer to provide fittings,
and apparatus, suitable for the area classification in accordance with the National Electrical Code.
All cable entry devices or conduit stopping boxes shall be certified in type of explosion protection ‘d’, suitable for the
conditions of use and correctly installed.
The IIC enclosures are excluded from use in carbon disulphide atmospheres.
The air pressure to the valve block, when fitted, shall not exceed 7bar.
Preventative Maintenance
The TopWorx Valvetop is designed to operate for one million cycles without servicing. Call TopWorx when you are
approaching this milestone for a preventative maintenance kit and instructions.
Appendix G: Specifications and Reference Data
Table 1. Intrinsically Safe Entity Parameters
Table 2. Electrical Specifications
Table 3. Fieldbus Specifications
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