by contact with the Test Finger (test probe "B" of the norm EN61032) in compliance with
the current safety regulations.
• Ceiling installation
In order to guarantee the IPX4 degree of protection against moisture in case of ceiling
installation, use the appropriate ceiling mount kit, which is not included. Use only the
rear entry hole for supply cables. If there is a possibility of condensation along the air
discharge duct, provide a drainage system to prevent condensation from discharging into
the environment through the fan.
Attention: do not mount the product on the ceiling without this kit.
• Recessed installation
In case of recessed installation in plasterboard walls, the specific fixing kit must be used
(accessory on request).
INTRODUCTION
QX is a centrifgual fan designed to ensure air extraction in small/medium-sized rooms such as bathrooms,
toilets and kitchens.
Suitable for air discharge through long length ducting. Wall or ceiling installation, surface or recessed in
plasterboard walls (fig. 1).
TECHNICAL SPECIFICATIONS
• Material: High quality, impact and UV-resistant ABS colour RAL 9010.
• Design front cover removable for cleaning without the use of tools.
• Removable filter in PP to protect the impeller and the motor from dust.
• Highly quality forward-curved impeller for high performance and top silence.
• Single phase 2-speed motor with integral thermal protection.
• Motor mounted on ball bearings that guarantee a longer product life cycle (30,000h) and suitable for cold
climates.
• The fan is double insulated: no earth connection is required.
• Suitable for continuous or intermittent operation.
• IPX4 degree of protection.
• Power supply 220V to 240V~ 50/60Hz.
VERSIONS
STANDARD
The fan is operated using a separate ON/OFF switch or via a light switch (fig. 48A).
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. 49A).
Operation: connected according to the diagram in fig. 48B, 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.
WITH HUMIDISTAT & TIMER
The fan is equipped with a humidity detector, whose threshold is adjustable from 50% to 95% Relative
Humidity, and with a timer which is adjustable from aprox. 1 minute to 25 minutes via corresponding trimmer
(fig. 49B).
Turn the trimmer HY completely clockwise and the humidistat function is deactivated.
Automatic humidistat operation: connected according to the diagram in fig. 48B, when the percentage of
Relative Humidity exceeds the pre-set intervention threshold, the fan starts up automatically. When the
percentage of Relative Humidity goes below the threshold, the fan continues to function for a pre-set period
of time.
Operation with switch connection: connected according to the diagram in fig. 48B, after the light is switched
on, the fan activates with a delay of aprox. 1.5 seconds. After it is switched off, the fan continues to function
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