Easy, efficient mounting The Recair Sensitive has flat sides, side-profiles and flanges around the inlet- and outlet-air connections that allow easy and airtight integration into the heat recovery unit. For optimum drainage of condensed moisture from the heat exchanger, the exchange channels should be positioned horizontally or vertically, and the flow direction downwards (See Fig. 7, 8, 9). Directions for storage, assembly and use 1 Avoid any exposure to direct or indirect UV light, e.g. sunlight. 2 Recair heat exchangers are made of Polystyrene. Polystyrene is not known for its resistance against chemicals, avoid explicit contact of chemicals with the Recair heat exchanger 3 Operating temperatures: Recair Sensitive air to air heat exchangers may be exposed to temperatures between -30 and +50 °C. 4 Heat exchangers may only be removed from the apparatus by pulling the plastic strip running over the heat exchanger. 5 Exhaust and fresh air should be filtered at G4 class to keep the exchanger interior clean from pollution. 6 No cleaning with fluids only careful dust removal from air intake surfaces with a household vacuum cleaner. 7 Recair Sensitive heat exchangers can reveal internal leakage of up to 25 litres/minute of air at a pressure of 250 Pa. Under certain conditions this leakage of air could also result in some leakage of condensation. For this reason, the air flow that loses heat should always be pointed downwards. In this way, the condensation will quickly be removed. 8 Pressure difference between the two flows may not exceed 2000 Pa to avoid irreversable mechanical damage to the heat exchanger. 6
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