3.5 Operating conditions
Type REH/RZH
Data
Value Unit
Min./max. flow medium temperature
-20/+60 °C
Min./max. ambient temperature
-20/+60 °C
Max. operating time according to EN 60034-1
24 hrs/day
Smoke extract
None -
Installation
horizontal -
Type BVREH/BVRA
Data
Value Unit
Min./max. flow medium temperature
-20/+60 °C
Min./max. ambient temperature
-20/+60 °C
Max. operating time according to EN 60034-1
24 hrs/day
Smoke extract
2)
-
Installation
horizontal -
2)
Temperature/time category according to EN 12101-3 (see
3.1 ‘Design versions’ on page 16)
ATEX
Data
Value Unit
Min./max. flow medium temperature
-20/+40
3)
°C
Min./max. ambient temperature
-20/+40 °C
Max. operating time
24 hrs/day
Smoke extract
None -
Installation
horizontal -
3)
Other values upon request
3.5.1 Information on setting up fans that
are installed outdoors
3.5.1.1
Penetration of precipitation
3.5.1.2
Formation of condensation
3.5.1.3
Stability
3.5.1.4
Penetration of foreign matter
3.6 Operating modes
3.6.1 S1 continuous operation
The fans are designed for continuous operation (S1
operating mode according to DIN EN 60034-1).
3.6.2 S9 speed-controlled operation
General
Fans are speed-controlled to adjust the operating point
to the system and utilisation requirements.
Speed control, maximum speed
The maximum speed specified on the rating plate must
not be exceeded.
Technical data
Operating modes > S9 speed-controlled operation
Centrifugal fans REH; RZH; BVREH; BVRA
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