BA-REF
6.1 - 11/2019
English
EN-5/26
3.
Designated Use
3.1. Operating Data / Maximum Ratings
CAUTION
Risk of injury!
Adhere to technical specifications and permissible limits.
For technical specifications reference should be made to the type plate,
technical data sheet and technical catalogue.
Note:
The roof fans are suitable for extracting dust-free air and other non-corrosive
gases or vapours.
For parallel operation of multiple devices, a distance must be maintained at
least half impeller diameter.
Permissible conveyed medium temperatures
Table 3-1:
Maximum ratings
Range
Perm. temperature of
conveyed medium
Max. ambient temp.
on drive motor
RHM 31/F1
-20°C to +40°C
+ 40°C
RDA 21
-20°C to +40°C
1)
FDM F1
-20°C to +40°C
RVM F1
-20°C to +40°C
RDM 3E/FE - 4D/43/63 -20°C to +120°C
RDM 3E/FE - BI/4P/6P -20°C to +60°C
1)
= Data depend on model; see full list “Roof fans”.
CAUTION
Examples of incorrect use include the following:
Extraction of media with impermissibly high or low temperatures
Extraction of corrosive media
Extraction of very dusty media
Extraction of potentially explosive media.
CAUTION
Unauthorised operation
No operation above the indicated rpm (see type plate, data sheet)
No operation at rpm ranges with increased vibration (resonance)
No operation at rpm ranges out of permitted fan curve area (stability of
flow pattern)
No operation if fan becomes polluted
CAUTION
Avoid dynamic load of the impeller.
No frequent alteration of load (stop and go)!
