2 Safety
ARCA Regler GmbH
10 / 32
Series 812-DWK
03.2020 / 1.0
WARNING
Exceeding the maximum ambient or media temperature
Risk of explosion due to high surface temperature!
The temperature class of the product is no longer valid if the maximum
permissible ambient or media temperature is exceeded!
► Make sure that the maximum permissible ambient or media temper-
ature of the product is not exceeded.
WARNING
Contaminated operating medium
Risk of explosion and damage to the product due to clogging up with fine
dust or solid contents!
► Install a pre-filter or fine filter
► Clean the filter after 100,000 switching cycles or at least twice annu-
ally.
WARNING
Heat radiation
Risk of explosion due to high surface temperature as a result of heat ra-
diation from additionally attached products!
► Make sure that the maximum permissible surface temperature is not
exceeded.
► Insulate or decouple any attached products that radiate increased
heat.
WARNING
Dust deposits
Risk of explosion due to raised product temperature as a result of dust
deposits!
► Remove dust deposits that are thicker than 2 mm.
► Avoid electrostatic charging of the surface; remove dust deposits
properly without rubbing the surface.
WARNING
Damaged surface coating
Risk of explosion due to damage to the surface coating in conjunction
with corrosion and aluminium!
► Make sure that the surface coating is not damaged and that there is
no corrosion.
