Ventilation; Air Flow System In The Cabinet Interior; Choice Of Ventilator - DÜPERTHAL PREMIUM line 90 Betriebsanleitung

Structure and function
Ventilation > Air flow system in the cabinet interior

4.5 Ventilation

4.5.1 Air flow system in the cabinet interior

Fig. 8: Ventilation ducts open
1
The layout of the ventilation ducts in the cabinet means that ventilation takes place
directly above the bottom tray and is effective on every cabinet level.
The cabinet is also equipped with an inspection window for visual checking of the con-
nection sockets.
Below the suspended ceiling, green inspection cut-outs identify the open ventilation ducts.

4.5.2 Choice of ventilator

Only use ventilators that comply with the defined technical specifications.
In areas not at risk of explosion, this means:
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Green inspection cut-outs in the open ventilation ducts
Inner: Zone 2
Outer: area not at risk of explosion.
NOTICE!
As Zone 2 equipment, a ventilator must fulfil the requirements of Direc-
tive 2014/34/EU (ATEX) equipment group II, category 3 G.
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