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Centro-M EC
10
CONNECTION TO POWER MAINS
ANY TAMPERING WITH THE INTERNAL CONNECTIONS IS PROHIBITED
AND WILL VOID THE WARRANTY.
DISCONNECT THE POWER SUPPLY PRIOR TO ANY OPERATIONS WITH THE UNIT.
CONNECTION OF THE UNIT TO POWER MAINS IS ALLOWED BY A QUALIFIED
ELECTRICIAN WITH A WORK PERMIT FOR THE ELECTRIC UNITS UP TO 1000 V AFTER
CAREFUL READING OF THE PRESENT USER’S MANUAL.
THE RATED ELECTRICAL PARAMETERS OF THE UNIT ARE GIVEN ON THE
MANUFACTURER’S LABEL.
The unit is rated for connection to single-phase ac 230 V/ 50 (60) Hz power mains. For electric installations use insulated durable heat-
resistant conductors (cables, wires) with the minimum wire cross section 0.75 mm
2
. The conductor cross section value must be selected
depending on the wire type, maximum permissible heating temperature, insulation, length and installation method.
Connect the fan to power mains via an external automatic circuit breaker installed at the power input and integrated in the house cabling
to open the circuit in case of short circuit or overload.
The circuit breaker location must provide quick access for emergency shutdown of the fan.
The fan is connected to the terminal box attached to the fan casing in compliance with the wiring diagram and designation of terminals.
The terminal designation is shown on the sticker attached to the internal wall of the terminal block.
ACCESS TO THE TERMINAL BOX
Disconnect the fan from power supply
Unscrew the 4 screws that fix the terminal box lid
Route the cables through the cable gland and complete electric
connection
Reinstall the terminal box lid
The fan can be equipped with a power cord with an IEC C14 connector. The fan is rated for continuous operation.
