4
• Ensure adequate air return into the room in compliance with existing regulations in
order to ensure proper device operation.
• If the environment in which the product is installed also houses a fuel-operating device
(water heater, methane stove etc., that is not a “sealed chamber” type), it is essential to
ensure adequate air intake, to ensure good combustion and proper equipment operation.
• Install the product so that the impeller is not accessible from the air outlet side as
verified by contact with the Test Finger (test probe “B” of the norm EN61032) in
compliance with the current safety regulations.
VNB (Fig. 1) is an axial fan designed to ensure air extraction in small/medium-sized rooms
such as bathrooms e toilets.
Suitable for air discharge directly to the outside or in the presence of short linear duct
(less than 1.5m). Wall or ceiling installation.
INTRODUCTION
TECHNICAL SPECIFICATIONS
• High efficiency aerodynamic fan with “winglet” blades to optimise quietness and efficiency.
• Single phase induction motor with integral thermal protection.
• The fan is double insulated: no earth connection is required.
• IPX4 wall installation / IPX2 ceiling installation.
• Power supply 220V to 240V
~
50/60Hz.
Model
Airflow
m
3
/h max
Static pressure
Pa max
Power
W max
Sound pressure
dB(A) @3m
VNB100
72
26
8
26
VNB100T
72
26
8
26
VNB150
72
26
8
26
VNB150T
250
53
22
42
VERSIONS
STANDARD
The fan is operated using a separate ON/OFF switch or via a light switch (Fig. 12A).
WITH TIMER (over-run )
The fan is provided with a timer circuit which is adjustable from aprox. 1 minute to 25
minutes via trimmer (Fig. 13B).
Operation
: connected according to the diagram in Fig. 13A, after the light is switched on,
the fan activates with a delay of max 1.5 seconds. After the light is switched off, the fan
continues to function for a pre-set period of time.
