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EN
Installation, operating and maintenance instructions
DVN...D.F4
5. PRODUCT INFORMATION
Description:
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Performance optimized fan for exhaust applications
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Conveyed exthaust up to 200 °C
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Radial impeller
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Integrated grease tray with drain
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Motor outside the air stream (VDI 2052))
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Motor protection on site
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Isolator switch mounted on the housing, IP55
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Outdoor installation over heated rooms
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Installation position verticall
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Snow load class 0
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Connection flange dimensions according to DIN 24154R3
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Tested according to EN 12101-3
This roof fan with smoke extraction function can reliably convey up to 400 °C hot combustion gases in case of fire for
2 hours. After the fire the roof fan must be replaced. Recurring operation at 400 °C is not allowed.
The housing is made of seawater resistant aluminum. The backward curved impeller is made of powder-coated sheet
steel. 3-phase motors according to IE classification are basically only controllable via frequency converters! The DVNI
models are soundproofed with 50mm thick mineral wool.
• Electricity warning (hazardous voltage)!
»
Failure to observe the hazard may result in death,
injury or damage to property.
→ Before performing any work on conductive parts, al-
ways disconnect the unit completely from the electri-
city supply and make sure that it cannot be switched
back on again.
• Never reach into the impeller or other rotating or
moving parts.
»
Failure to observe the hazard may lead to serious
injury.
→ Work may only be performed once the impeller has
come to a complete halt.
• Never clean the internal space with flowing water
or a high-pressure cleaner. Do not use aggressive or
easily flammable products for cleaning (impellers/
housing).
→ Only use mild soapsuds. The impeller should be cleaned
with a cloth or brush.
• General warning
»
Failure to observe the warnings may result in personal
injury and / or damage to property.
→ Unauthorized repairs may cause personal injury and /
or damage to property, in which case the manufactu-
rer‘s guarantee or warranty will not apply.
• Caution! Burning hazard.
»
Failure to observe the hazard may result in personal
injury and/or damage to property.
→ Do not touch the surface until the motor and heater
have cooled.
• Never reach into the impeller or other rotating or
moving parts.
»
Failure to observe the hazard may lead to serious
injury.
→ Work may only be performed once the impeller has
come to a complete halt.
4.5. Icons
