dallmeier DDF4920HDV-DN-IM, Пусконаладка

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DDF4920HDV-DN-IM Commissioning
7 Maintenance
The device may only be opened by qualified personnel for commissioning, inspec -
tion, maintenance and repair.
Cleaning
If it is necessary to clean the device, observe the following notes:
NOTICE
Damage to the surface of the device
➡ Clean the housing (outside) with a soft, dry and
antistatic cloth.
• Do not use detergents.
➡
Clean the plastic bubble with water and some
dishwashing agent using a soft, non-linting cloth or
sponge.
• Do not rub the plastic bubble with a dry cloth.
• Do not use common glass cleaners.
• Avoid excessive rubbing.
• Dry gently with a clean dry cloth to avoid
scratching the surface.