IMO BKF

18 BKF 16.08.2021
Mechanically driven exhaust appliances for smoke and heat control ventilators up to EN 12101-3:2015, Annex
F, F.8
Classification F400 (400°C, 120 min) – also meets F200, F300
Fan range
1) Location of the fan and insulation:
Yes
outside the building without thermal insulation
Yes
outside the building including thermal insulation
Yes
inside the building but outside of the smoke reservoir without thermal insulation***
Yes
inside the building but outside of the smoke reservoir including thermal insulation***
No
inside the smoke reservoir (i.e., it is not allowed to install the fan inside smoke reservoir)
2) Installation (motor outside air stream) – observe also remarks on the page 19
Yes
horizontal motor shaft, floor standing
Yes
horizontal motor shaft , wall mounted
Yes
horizontal motor shaft , suspended from ceiling
Yes
vertical motor shaft, impeller below the motor
No
vertical motor shaft, impeller below the motor, suspended from ce-
iling (i.e., this combination is not allowed – heat transfer to motor)
Yes
vertical motor shaft, mounted onto the face of wall
Yes
vertical motor shaft, impeller above the motor
Yes
vertical motor shaft, mounted onto the face of wall
Yes
vertical motor shaft, impeller above the motor, suspended from ce-
iling
3) Flexible connectors tested with the fan
Yes
flexible connector inlet and outlet side
4) Cooling air
Yes
self cooled motors used, max. ambient air temperature 40°C***
5) Snow load
----
not applicable
6) Wind load
----
not applicable
Motor range
7) Application
No
D.O.L only (i.e., it is allowed direct on-line connection or with frequency converter)
Yes
with frequency converter under following conditions (see also 9.3):
- U
LL
max. 2550 V, U
LG
max. 1800 V
- rise time longer than 0,5 μs
- switching frequency max. 8 kHz
- sine filter or du/dt filter (filtering is recommended, allthough tested and allowed without filter)
Yes
dual purpose
No
emergency only (i.e., it is allowed emergency use and dual use)
Yes
thermally uninsulated (i.e., it is not allowed to insulate motor)
*** max. ambient air temperature 40°C, well ventilated large room
Appendix 2: Installation