Vents Solid User Manual page 3

All operations described in this manual must be performed by
qualified personnel only, properly trained and qualified to install,
make electrical connections and maintain ventilation units.
Do not attempt to install the product, connect it to the mains, or
perform maintenance yourself.
This is unsafe and impossible without special knowledge.
Disconnect the power supply prior to any operations with the unit.
All user's manual requirements as well as the provisions of all the
applicable local and national construction, electrical, and technical
norms and standards must be observed when installing and
operating the unit.
Disconnect the unit from the power supply prior to any connection,
servicing, maintenance, and repair operations.
Connection of the unit to power mains is allowed by a qualified
electrician with a work permit for the electric units up to 1000 V after
careful reading of the present user's manual.
Check the unit for any visible damage of the impeller, the casing, and
the grille before starting installation. The casing internals must be free
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