Electrical Connection | 6
Instruction Manual SECO SV_SD1010-1025C_SV_SD1040D_EN_en
13 | 32
●
Provide a lockable disconnect switch on the power line so that the machine is completely secured
during maintenance tasks.
●
Provide an overload protection according to EN 60204-1 for the motor.
●
Connect the protective earth conductor.
●
Electrically connect the motor.
NOTICE
Incorrect connection.
Risk of damage to the motor!
●
The wiring diagrams given below are typical. Check the inside of the terminal box for motor con-
nection instructions/diagrams.
6.2
Wiring Diagram Single-Phase Motor
2
1
3
5
4
6
L
N
6.3
Wiring Diagram Three-Phase Motor
NOTICE
Incorrect direction of rotation.
Risk of damage to the machine!
●
Operation in the wrong direction of rotation can destroy the machine in a short time! Prior to
start-up, ensure that the machine is operated in the right direction.
●
Determine the intended direction of rotation with the arrow (stuck on or cast).
●
Jog the motor briefly.
●
Watch the fan wheel of the motor and determine the direction of rotation just before the fan
wheel stops.
If the rotation of the motor must be changed:
●
Switch any two of the motor phase wires.
