dallmeier DF4 20HD-DN/IR Series, Пусконаладка, Страница: 13 / 24

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DF4(X)20HD-DN/IR
Requirements
Maintenance
The housing of the unit may only be opened by qualified personnel for commis -
sioning, inspection, maintenance and repair.
Cleaning
If it is necessary to clean the device, observe the following notes:
NOTICE
Damage to the surface of the device
¼
Clean the weather-proof housing (outside) with a soft, dry and anti -
static cloth.
Do not use detergents.
¼
Clean the acrylic front glass of the weather-proof housing with water
and some dishwashing agent using a soft, non-linting cloth or sponge.
Do not rub acrylic glass 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.