Connection To Power Mains - Vents VPVO Series User Manual

CONNECTION TO POWER MAINS

ELECTRICIAN WITH A WORK PERMIT FOR THE ELECTRIC UNITS UP TO 1000 V AFTER
The air pressurisation fan is not rated for standalone operation.
The fan must be integrated into a ventilation or smoke extraction system with an automatic control system.
The fan motor is rated for connection to 400 V/50 (60) Hz three-phase alternating current.
Connect the fan motor via the terminal block according to the electrical mains wiring diagram using a durable insulated cable.
The terminal block with the terminal markings is housed inside the terminal box.
The fans with a casing without a terminal box have the terminal box on the motor.
The fans with a casing with a terminal box have the terminal box on the motor.
IF NECESSARY, CHANGE THE IMPELLER ROTATION DIRECTION BY ALTERING THE PHASE
10
DISCONNECT THE POWER SUPPLY PRIOR TO ANY OPERATIONS WITH THE UNIT.
CONNECTION OF THE UNIT TO POWER MAINS IS ALLOWED BY A QUALIFIED
CAREFUL READING OF THE PRESENT USER'S MANUAL.
THE RATED ELECTRICAL PARAMETERS OF THE UNIT ARE GIVEN ON THE
ANY TAMPERING WITH THE INTERNAL CONNECTIONS IS PROHIBITED
MAKE SURE THAT THE FAN IMPELLER ROTATES IN THE DIRECTION MARKED BY THE
SEQUENCE ON THE ELECTRIC MOTOR TERMINALS.
MANUFACTURER'S LABEL.
AND WILL VOID THE WARRANTY.
Wiring diagram for the fan with a casing
modification without a terminal box
U1
V1
W1
The wiring pattern (i.e. triangle or star)
is stated on the motor rating plate
Wiring diagram for the fans with a casing
modification with a terminal box
L1
L2
L3
PE
~ 400 V/50 (60) Hz
ARROW ON THE FAN CASING.
W2 U1
W2
U2 V1
U2
V2 W1
V2
X1
1
L1
L2 2
3
L3
PE 2
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