Roof fans - Troges

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RF Fans Accessories Fan Accessories Installation SNK or NDH roof adaptors make the installation of RF fans significantly easier and faster. The roof adaptors can be used on almost any type of roof. The opening in the roof construction must not be larger than the adaptor platform and should be of a precise square shape. The adaptor platform must be drilled and screwed to the roof construction. The contact surfaces of the roof adaptor base and roof construction must be thoroughly sealed with sealing cement. The wiring cable can be led through the roof adaptor and through the RF fan supporting stud into the terminal box (see figure # 4). Roof hydro-insulation must always be applied on the roof adaptor up to a height of 30 cm above the roof. The end of the roof hydro-insulation must be completed with flashing to prevent water penetration (see fig. # 18). Standard roof adaptors (without slope) can also be connected to the air-handling ducting. The details of the connection are shown in figure #17. Four M8 riveted nuts are situated in the adaptor‘s base plate. The dimensions of the nut pitches are shown in the figure in the introduction part. Figure 17 – Roof adaptor on a flat roof Figure 18 – Roof adaptor on a sloping roof Flashing Roof hydro-insulation Roof adaptor thermal insulation Roof boarding Roof battens Beam Figure 19 – Connection of the air-handling duct 30° Roof adaptor Ventilation air space Flooring boards Thermal insulation Tinsmith edging Roof hydro-insulation Wooden chock Supporting balks Fan-washer M8 x 20 screw Adaptor base Concrete ceiling Connected duct After installation, the roof adaptors need to be finished in a protective coating matching the building‘s colour according to the architect‘s choice. It is advisable to seal all screw joints on the fan with silicone cement. Roof adaptors for applications on sloping roofs can be delivered with their platforms modified to the roof slope. The roof sloping angle must be specified in your order (see fig. # 18). Before installation, paste the self-sticking sealing between the bottom side of the fan base and upper plate of the roof adaptor. To install the base, use galvanized M8 screws and nuts. It is necessary to ensure conductive connection of the flange using fan washers placed on both sides at least on one flange screw connection, or use Cu conductor wiring 27
RF Fans Accessories Figure 20 – Fan base installation RF Roof Fan Fan base Self-acting VS low-pressure damper Thermally-insulated NDH roof adaptor Attenuator in the NDH roof adaptor Flashing Roof hydro-insulation Roof beams and boards (respectively concrete) Roof adaptor base 28
Page 1 and 2: Roof fans RF series 07/2009
Page 3 and 4: RF Fans Technical information Therm
Page 5 and 6: RF Fans Technical information Noise
Page 7 and 8: RF Fans Fan Parameters Table 6 - Ba
Page 9 and 10: RF fans Δp t - total pressure (Pa)
Page 19 and 20: RF Fans Example A RF Fans without O
Page 21 and 22: RF Fans Example E RF Fan without Ou
Page 23 and 24: RF Fans Accessories NK and NDH Roof
Page 25 and 26: RF Fans Accessories Attenuation and
Page 27: RF Fans Accessories Air Pressure Lo

Roof fans - Troges

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