Vents VKS 200, User Manual, Page: 9 / 16

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CONNECTION TO POWER MAINS
POWER OFF THE POWER SUPPLY PRIOR TO ANY OPERATIONS WITH THE UNIT.
THE UNIT MUST BE CONNECTED TO POWER SUPPLY BY A QUALIFIED ELECTRICIAN.
THE RATED ELECTRICAL PARAMETERS OF THE UNIT ARE GIVEN ON THE
MANUFACTURER’S LABEL.
ANY TAMPERING WITH THE INTERNAL CONNECTIONS IS PROHIBITED
AND WILL VOID THE WARRANTY.
X
N
L
QF
X
S
N
L
QF
N
L
N
L
WIRING DIAGRAM
• The unit is rated for connection to power mains with the parameters specified in the "Technical specifications” section, according to
the wiring diagram.
• The connection must be made using durable, insulated and heat-resistant conductors (cables, wires).
• The actual wire cross section selection must be based on the maximum load current, maximum conductor temperature depending
on the wire type, insulation, length and installation method.
• The external power input must be equipped with an automatic circuit breaker QF built into the stationary wiring to open the circuit
in the event of overload or short-circuit.
• The position of the external automatic circuit breaker must ensure free access for quick power-off of the unit.
• The trip current of the automatic circuit breaker must exceed the maximum current consumption of the unit (refer to the “Technical
data” section or to the unit label).
• The recommended trip current of the circuit breaker is the next current in the standard trip current row following the maximum
current of the connected unit.
• The circuit breaker is not included in the delivery set and can be ordered separately.
Designation:
L
– line;
N
– neutral;
QF
– automatic circuit breaker;
S
– external switch (Diagrams 1, 2);
S
– switch (Diagram 3);
X
– input terminal block
Diagram 1
Connection of the fan
to power mains
Diagram 2
Connection of the fan to power mains with an
external switch
WARNING! The fan is equipped with a thermal switch without self-resetting function.
To avoid a random restart of the thermal switch, the unit must not be powered through an external switching device, such as
a timer, or connected to power mains usually turned on/off by public services.
QF
N
L
N
L1
L2
X S
Diagram 3
Connection of the Duo fan
to power mains