Safety Requirements - Vents Quiet-S Manual

EN
PLEASE READ THE USER'S MANUAL CAREFULLY PRIOR TO INSTALLING, CONNECTION TO POWER
MAINS AND OPERATING THE UNIT.
THE MANUFACTURING COMPANY SHALL NOT BE RESPONSIBLE FOR DAMAGE TO HEALTH AND
PROPERTY OF THE CUSTOMER CAUSED BY THE CUSTOMER'S VIOLATING THE USER'S MANUAL.
FOLLOW THE USER'S MANUAL REQUIREMENTS TO ENSURE DURABLE OPERATION OF THE UNIT, ITS
MECHANICAL AND ELECTRICAL RELIABILITY.
KEEP THIS USER'S MANUAL.

SAFETY REQUIREMENTS

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
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