BF QW

2
Systemair Sverige AB · Industrivägen 3 · 739 30 Skinnskatteberg · Phone [phone]
BF QW, axial extract fans
with automatic shutters,
window kit included
Application
Ideal for extraction of air in bath-
room, toilet and small/medium
premises.
Suitable to extract stale air direct-
ly to the outside or through short
length ducting.
Units can be wall/panel, ceiling and
window mounted.
Specification
Casing made of high quality ABS
provides long lasting shock-proof
and robust construction. The unit is
finished in white RAL 9010 and are
UV resistant.
Unique design winglet type impeller,
providing enhanced aerodynamic
properties, low noise and increased
efficiency.
Single phase induction motors with
integral thermal protection, mounted
on sealed for life high quality sleeve
bearings.
Suitable for continuous and intermit-
tent running.
Features and benefits
Automatic shutters for smooth and
silent operation via integral thermo
actuator. Tight closing of the shut-
ters to prevent air flowing back from
outside when the fan is off.
Totally recyclable plastic compo-
nents, environmentally friendly.
Double insulated: no earth connec-
tion is required.
Tested to the latest standards:
Designed and manufactured in ac-
cordance with EN60335-2-80 (Low
Voltage Directive) and the EMC
Directive (Electromagnetic Compat-
ibility).
Versions
The fan is operated via a separate
ON/OFF switch or the light switch.
Run-on timer
The fan is equipped with a timer
circuit adjustable from ± 1‘ to 25’.
Operation: after switching off, the
fan continues to run for the pre-set
period of time.
Humidistat & timer
The fan is provided with an electron-
ic circuit having a humidity sensor
on board (adjustable from 50% to
95% RH) and a timer, adjustable
from ± 1’ to 25’. Operation: when
the percentage of relative humidi-
ty is higher/lower than the pre-set
threshold, the fan is automatically
activated/deactivated. After switch-
ing off, the fan continues to run for
the pre-set period of time.
AB
Model BF 100 QW BF 120 QW BF 150 QW
A 164 184 218
B 87 100 117
Ø glass hole 115 135 172
Dimensions in mm
Glass thickness from 2 to 35 mm
Window kit with external fixed grille, made of high quality ABS, shock-proof
and UV resistant, RAL 9010.