General Requirements In Accordance With Din En Iso 21904; Reasonably Foreseeable Misuse - Kemper SmartFil Notice D'utilisation

3.4 General requirements in accordance with DIN EN ISO
21904
NOTE
Connection of ducting systems, extraction arms and hoses.
Ducting systems, extraction arms and hoses connected to the product
can lead to a pressure drop and must be taken into account by the
system designer or user.
The connected components must be suitable for the product and ensure
the required minimum volume flow (extraction capacity).
A possible design of the ducting can be requested from the
manufacturer.
The connected components must be checked regularly for proper
seating, leaks and blockages.
The required extraction capacity must be checked at the central
extraction element.
NOTE
Returning the air to the workplace atmosphere
In some Federal States, recirculation of air into the workplace
atmosphere is not recommended or is prohibited. It may be necessary to
conduct the exhaust air to the outside via a duct.

3.5 Reasonably foreseeable misuse

No reasonable, foreseeable misuse is possible that could lead to dangerous
situations with personal injury when working with the product whilst
adhering to its intended use.
The operation of the product in industrial areas that do not comply with
the requirements for explosion protection is not permissible.
Furthermore, the operation is prohibited for:
1. Processes that are not in the intended use list and in which the
extracted air is:
• is mixed with sparks, e.g. from grinding processes, which due to their
size and quantity might lead to damage to the filter media or even to a
fire;
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EN