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Helix/s-Vent
11
DISCONNECT THE UNIT FROM POWER MAINS PRIOR TO ANY OPERATIONS.
THE UNIT MUST BE CONNECTED TO POWER MAINS BY A QUALIFIED ELECTRICIAN.
THE RATED ELECTRICAL PARAMETERS OF THE UNIT ARE SHOWN
ON THE RATING PLATE.
ANY TAMPERING WITH THE INTERNAL CONNECTIONS IS PROHIBITED
AND WILL VOID THE WARRANTY.
The Helix fan is rated for connection to single-phase alternating current 230 V/ 50 (60) Hz power supply. The S-Vent fan is rated for
connection to three-phase alternating current 400 V/ 50 (60) Hz power supply.
The fan must be connected to power mains using durable, insulated and heat-resistant electric conductors (cables, wires).
Connect the unit to power mains through the external automatic circuit breaker with a magnetic trip integrated into the fixed wiring
system.
The installation place of the circuit breaker must provide unhampered access to the unit for its emergency shutdown.
For selection of the rated trip current of the automatic circuit breaker refer to the fan technical data table.
The wire cross section is stated in the table.
The actual conductor cross section selection must be based on the maximum permissible wire temperature depending in the wire type,
insulation, length and installation method.
Fan model
Minimum wire cross section [mm
2
]
All Helix models
1,5
S-Vent 140 .. S-Vent 180
1,5
S-Vent 200 .. S-Vent 400
2,5
S-Vent 450 .. S-Vent 500
4
CONNECTION TO POWER MAINS
