3
Installation manual
VNB - Axial fan
G
Fig. 1
PRECAUTIONS FOR INSTALLATION, USE AND MAINTENANCE
Read this manual carefully before using the product and keep it
in a safe place for reference.
This product was constructed up to standard and in compliance
with regulations relating to electrical equipment and must be
installed by technically qualified personnel.
The manufacturer assumes no responsibility for damage to
persons or property resulting from failure to observe the regulations
contained in this booklet.
• The device should not be used for applications other than those specified in this manual.
• After removing the product from its packaging, verify its condition. In case of doubt,
contact a qualified technician. Do not leave packaging within the reach of small children
or people with disabilities.
• Do not touch the appliance with wet or damp hands/feet.
• This appliance can be used by children aged from 8 years and above and persons with
reduced physical, sensory or mental capabilities or lack of experience and knowledge
if they have been given supervision or instruction concerning use of the appliance
in a safe way and understand the hazards involved. Children shall not play with the
appliance. Cleaning and user maintenance shall not be made by children without
supervision.
• Do not use the product in the presence of flammable vapours, such as alcohol,
insecticides, gasoline, etc.
• If any abnormalities in operation are detected, disconnect the device from the mains
supply and contact a qualified technician immediately. Use original spare parts only for repairs.
• The electrical system to which the device is connected must comply with regulations.
• Before connecting the product to the power supply or the power outlet, ensure that:
- the data plate (voltage and frequency) correspond to those of the electrical mains
- the electrical power supply/socket is adequate for maximum device power. If not,
contact a qualified technician.
• The device should not be used as an activator for water heaters, stoves, etc., nor
should it discharge into hot air/fume vent ducts deriving from any type of combustion
unit. It must expel air outside via its own special duct.
• Operating temperature: 0°C up to +50°C.
• The device is designed to extract clean air only, i.e. without grease, soot, chemical or
corrosive agents, or flammable or explosive mixtures.
• Do not leave the device exposed to atmospheric agents (rain, sun, snow, etc.).
• Do not immerse the device or its parts in water or other liquids.
• Turn off the main switch whenever a malfunction is detected or when cleaning.
• For installation an omnipolar switch should be incorporated in the fixed wiring, in
accordance with the wiring regulations, to provide a full disconnection under overvoltage
category III conditions (contact opening distance equal to or greater than 3mm).
• If the supply cord is damaged, in order to avoid a hazard, it must be replaced:
- by the manufacturer, its service agent or similarly qualified persons (installer) in case
the installation has been carried out by the manufacturer;
- by similarly qualified person (installer) in all the other cases.
• Do not obstruct the fan or exhaust grille to ensure optimum air passage.
