Unit typeProduct descriptionCombi 302 Polar Top is a combined passive and active heat recovery unit with cooling function. The unitis designed for airflows up to 430 m 3 /h at 100 Pa external duct pressure.The unit draws the humid, vitiated air out of the dwelling via the bathroom, WC, kitchen and utility roomand introduces fresh outdoor air into habitable rooms such as living room, bedrooms and office. Thecold outdoor air is heated up in the heat exchanger by the warm exhaust air.Combi 302 Polar Top is supplied as standard with a filter sheet in the outdoor air and extract air ducts.If it is wished to filter the outdoor air for pollen, an pollen filter can be purchased as an accessory andmounted subsequent.1. Duct connections2. Electrical connections3. Extract air filter4. Outdoor air filter (Pollen filter is fitted here)5. 100 % bypass damper6. Counterflow heat exchanger7. Heat pump8. Automatic control system9. Air fan10. Pre-heating element11. Condensate drainCombi 302 Polar Top (English) BY NILAN7