Duka PRO 200 Benutzer- und Installationshandbuch - Seite 8

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Before using the fan, carefully read these instructions and the warranty conditions.

PRO 200 is designed for fixed installation and must be installed by a qualified electrician.

All the illustrations referred to in the text can be found on page "III". Fold the page out to

the left so that you can see the illustrations while reading the user guide.

The PRO 200 exhaust fan is designed to boost the air flow in houses* with natural draught

ventilation. It is suitable for installation in wet rooms and can be installed in ducts with and

without natural ventilation**.

The fan fits ducts with a diameter of Ø or 100 – Ø 140 mm. For larger duct dimensions a

cover plate for the PRO-series must be used. To ensure that the PRO 200 does not affect other

ventilation systems and is not affected by them, the fan must always be installed in its own

duct. Make sure that the duct is clear of obstructions. Avoid insect mesh, filters and other

objects that may obstruct the flow of air. To prevent condensation in natural draught ducts

(in winter), the ducts must be insulated where they pass through unheated areas such a cold

attics.

To avoid backdraughts in ducts without natural draught (eg through an external wall), a

backdraught shutter (see page II) can be retrofitted. This requires another ventilation system

to handle the basic ventilation flow of the building. NOTE: A backdraught shutter is harmful if

the fan is installed in a ventilation duct with natural ventilation.

The fan is designed for use in a temperature range of 5 to 35 °C. If the fan is installed in a cold

area or if it has been stored in a cold place before installation, it may run slowly when started

for the first time. The fan will work normally when it reaches its working temperature.

Make sure that air can enter the bathroom, for example through a large gap at the door or by

using a transfer air unit. We recommend the use of genuine accessories (see page II) to ensure

that the fan works properly and delivers the correct capacity.

* Primarily detached houses and holiday homes, but can also be used in multi-dwelling

buildings with separate, short ventilation ducts.

** With natural draught ventilation, air is carried upwards through ventilation ducts and

out of the building (see page 15). For natural draught ventilation to work, the air inside

the building must be warmer (and therefore lighter) than the air outside.

Natural draught ventilation therefore works best during the winter. Natural draught

ventilation will be reduced or absent if the temperature differential (inside/outside)

is small or non-existent. For this reason, buildings are often poorly ventilated when the

weather is warm.

CLEaNING

For the fan to keep working and maintain its capacity it must be cleaned at least twice a year

and more often if necessary.

• Disconnect the fan from the electric power supply before cleaning it.

• Push the two locking buttons towards the centre (A1) and lift the motor unit out of

the frame (see Figure A). Then remove the motor unit (A2).

• Clean the opening, the duct and the motor unit with a damp cloth (a mild detergent

may be used if necessary).

• The impeller can be cleaned in place. If the impeller is very dirty you can remove it by pulling

it straight out (see Figure B). It can then be washed and rinsed.

(To avoid rust, allow the impeller to dry before refitting it to the motor shaft.)

• Do not use solvents on the fan.

• Do not immerse the fan in water or flush water jets on it.

ENvIRONMENT

A fan that is no longer serviceable should be recycled as electronic scrap.

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