(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.
• I nstall 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.
INTRODUCTION
SILENCE (fig. 1) is a mixed-flow fan designed to ensure air extraction in small/medium-
sized rooms such as bathrooms, toilets and kitchens.
Suitable for air discharge directly to the outside or in the presence of medium lenght duct
Wall or ceiling installation (fig. 2).
TECHNICAL SPECIFICATIONS
• M aterial: High quality, impact and UV-resistant ABS colour RAL 9010.
• R ear reinforcement ring to prevent spigot deformation during installation.
• M ixed flow impeller to optimise quietness and efficiency.
• S ingle phase induction motor with integral thermal protection.
• T he fan is double insulated: no earth connection is required.
• S uitable for intermittent or continuous operation.
• I P45 degree of protection.
• P ower supply 220V to 240V~ 50/60Hz.
VERSIONS
VNSS100B (standard)
Equipped with high quality sleeve bearing motor.
Single speed operation.
Wiring diagram fig.16C.
VNSS100TB (over-run timer)
Equipped with high quality sleeve bearing motor.
Single speed operation.
Connected according to the diagram in fig. 16D, 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, adjustable from aprox. 1 minute to 25 minutes
via trimmer (fig. 17D).
VNSS1002V (2 speed)
Equipped with enhanced high performance motor mounted on ball bearings to assure a
longer fan life (30.000h). Ideal for cold climates.
Two speed operation: the speed can be selected during the installation by positioning the
jumper as per fig.18E-19E.
Wiring diagram fig.16E.
Airflow
Code
m
/h max
3
VNSS100B
95
VNSS100TB
95
VNSS1002V
105/70
Static pressure
Power
Pa max
W max
47
8
47
8
53/22
8/5
Sound pressure
dB(A) @3m
25
25
26/22
5
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