9
Maintenane
In this chapter is described, how you can safely maintain your device.
9.1 Safety instrutions
• Regard to «Fundamental safety instructions» from page 13.
• Refer to the danger areas of the devices (see « Overview of da ngerous areas» from page 36).
9.2 Environmental onditions
If the demanded environmental c onditions are complied with, the device is maintenance-free. The specified
environmental conditions are found in «Appendix D - Technical data» from page 172. The most important
specified environmental conditions are:
• d ustless ambient air
• Temperature: min. 5°C to max. 45°C
• Relative air humidity: 5% to 85%, no condensation
• (Operation-) height: absolute altitude up to 1000 m
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