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Roof Fans DVV

Roof Fans DVV
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Roof Fan for normal ventilation and smoke/heat extract The octagonal casing is manufactured from seawater resistant aluminium. The base frame is made of hot dip galvanized steel. Galvanized steel impeller with backward curved blades built-in. Motor cooling with fresh air via air duct. The motor protection to be provided by customers (PTC built-in electric motor). For speed control use only combination of frequency inverter and appropriate ﬁlter to motor side (sine or du/dt), observing instalation conditions (e.g. cable type, lenght). At frequency controlled units additional EMC protection...

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Normal ventilation up to 120°C continuous operation Normal ventilation + smoke and heat extract (dual use) Vertical exhaust, suitable for coastal application IE2 single speed high efﬁciency motor, IE1 two speed or 8-pole motor Service switch and PTC thermal protection built-in serial Meet ErP efﬁciency goal for dual use fans Sucking side connection acc. EUROVENT Meet ErP efﬁciency goal EMC protected items prepared for frequency control Items with IE3 motor built-in EMC shielded cable from motor to service switch Service switch with capability of connection of shielded Meet higher...

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Lock in position ON to prevent unintended switch OFF Lock in position ON to prevent unintended switch OFF Operation Low speed High speed Low speed High speed Lock in position ON Low speed to prevent unintended switch OFF Lock in position ON to prevent unintendedHigh speed switch OFF High speed OFF Low speed Lock in position ON to prevent unintended switch OFF Lock in position ON to prevent unintended switch OFF High speed Lock in position ON to prevent unintended switch OFF ON ON Lock in position ONHigh speed to prevent unintended switch OFF ON WD4: wiring Y; single1U 1V 1W 2Umotor speed 2V...

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DVV-XS, XL installation examples VKG/F ASSG/F * Note: if the fan is intended for emergency use only, the shutter below roof base could lead to condensation on the non-insulated base plate of the fan (low air change rate) Details of following and electrical accessories are on-line available. SSGE/F socket silencer SSGE (for type/120) FDGE/F roof socket FDGE (for type/120) SSG/F socket silencer SSG (for type/120) ASFV ﬂange VKG/F shutter ASSG/F ﬂexible connection VKGM motorized shutter (for type/120) HSDV silencer to outlet (for sizes 630, 800, 1000) FSL ﬂaps snow load (for sizes 630, 800,...

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