Vents TT EC User Manual page 3

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.
Only qualified electricians with a work permit for electrical units
up to 1000 V are allowed for installation and maintenance. The
present user's manual should be carefully read before beginning
works.
• Check the unit for any visible damage of the impeller, the casing,
and the grille before starting installation. The casing internals must
be free of any foreign objects that can damage the impeller blades.
• While mounting the unit, avoid compression of the casing!
Deformation of the casing may result in motor jam and excessive
noise.
• Misuse of the unit and any unauthorised modifications are not
allowed.
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EN