Vents 100 Ace, User Manual, Page: 3 / 24

3
EN
FOLLOW THE USER’S MANUAL REQUIREMENTS TO ENSURE DURABLE AND
TROUBLE-FREE OPERATION OF THE UNIT.
Disconnect the unit from 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.
• Single-phase power mains must comply with the acting local
electrical norms and standards.
• Fixed electrical wiring must be equipped with an automatic circuit
breaker.
• The unit must be connected to power mains through a QF
automatic circuit breaker integrated into the fixed wiring system.
The gap between the circuit breaker contacts on all poles must
be not less than 3 mm. Check the unit for any visible damages of
the impeller and the casing before starting installation. The casing