CONTENTS EVERYDAY QUICK GUIDE VALLOX 90 SE models Code: 3520 VALLOX 90 SE has been initially adjusted for normal cir- Models cumstances in your home. Ventilation adjustment is nee- ded mainly in the following circumstances: The letter L or R after the name of the unit indicates the handedness of the unit.
VALLOX 90 SE THREE QUESTIONS ABOUT VENTILATION THREE QUESTIONS ABOUT VENTILATION SEASONAL CALENDAR 1.1. Why is air replaced in dwellings? Autumn Good ventilation promotes healthy living for both residents and the building. Air in a dwelling needs to • Wash or change the coarse filter and clean be replaced in order to remove humidity brought about by living as well as impurities or change the fine filter if needed.
2.1. Making the unit ready for operation 1. Connect the plug to the mains supply. VALLOX 90 SE is now ready for operation. 2. Turn the unit on and choose a suitable power of ventilation at the control panel. There are either one or more control panels.
2.4. Ventilation control with carbon dioxide sensor (option) • In carbon dioxide control, VALLOX 90 SE adjusts fan speed so as to keep carbon dioxide content in the ventilation zone below the setpoint. When two or more sensors are used, fan speed is adjusted according to the highest measuring result.
• Defrost prevents the heat recovery cell from freezing, thus ensuring proper ventilation even in cold periods. • In VALLOX 90 SE defrosting is implemented by intermittently stopping the supply air fan. The stopping function is controlled on the basis of the temperature sensor measuring the temperature of exhaust air after the heat recovery cell.
• The points provide information on various failure modes of the unit. • When the antifrost function of the water-circulating radiator is on, the points of the relay close and open at 10-second intervals. (The VALLOX 90 SE unit does not have a water- circulating radiator.) •...
VALLOX 90 SE INSTRUCTIONS FOR USING THE CONTROL PANEL Control panel Start button Scrolling up 3.1. Keyboard With this button, you switch the unit on and off. With this button, you can scroll the displays upward. When the indicator is lit, the unit is on.
VALLOX 90 SE INSTRUCTIONS FOR USING THE CONTROL PANEL 3.3. Settings menu You can reach the settings menu from the operating menu as indicated in section 3.2.2. The displays of the settings menu (sections 3.3.1.–3.3.26.) can be scrolled with the scrolling buttons (see section 3.1., items 5 and 6 in the figure).
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VALLOX 90 SE INSTRUCTIONS FOR USING THE CONTROL PANEL 3.3.14. Adjusting the direct current fan of the supply air side The desired adjustment value for the DC fan is selected with the + and – buttons. The rotation speed DC fan - supply of the supply air fan can be lowered by decreasing the percentage value.
VALLOX 90 SE INSTRUCTIONS FOR USING THE CONTROL PANEL 3.4. Week clock control 3.4.1. Week programme programming The week programme can be used to set the desired fan speed (basic fan speed) and supply air Hr Sp temperature for each hour of the day on seven days a week. The week programme overrides Exit manual adjustments.
4. MAINTENANCE INSTRUCTIONS 4.1. Before starting maintenance operations When you open the door of the VALLOX 90 SE unit, the safety switch (S) switches the unit off; in spite of that, please disconnect the plug of the unit. Always disconnect the plug before starting maintenance operations for the VALLOX 90 SE unit.
VALLOX 90 SE MAINTENANCE INSTRUCTIONS 4.3. Fans Check the cleanliness of the fans in connection with the maintenance of the filter and heat recovery cell. Clean the fans if necessary. You can remove the fans from the unit before cleaning them.
VALLOX 90 SE TROUBLESHOOTING SYMPTOM REASON DO THIS Outdoor air coming to • Air cools down in the attic ducts. • Check the insulation of the attic ducts. the dwelling is cold. • The heat recovery cell is frozen, which is •...
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• Antifreezing of the water-circulating ra- • Immediately troubleshoot the situation. Find out from a main- diator is active (not in the VALLOX 90 SE unit). tenance company if there is non-freezing solution in the displayed and the unit is radiator.
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