Mains must be connected to terminals 91, 92 and 93. Earth is connected to the terminal to the right of terminal 93.
Terminal No.
91, 92, 93
94
Check the name plate to ensure that the mains voltage of the frequency converter matches the power supply of your plant.
Ensure that the power supply can supply the necessary current to the frequency converter.
3.1.11 External Fan Supply
In case the frequency converter is supplied by DC or if the fan must run independently of the power supply, an external power supply can be applied. The connection
is made on the power card.
Terminal No.
100, 101
102, 103
The connector located on the power card provides the connection of line voltage for the cooling fans. The fans are connected from factory to be supplied form
a common AC line (jumpers between 100-102 and 101-103). If external supply is needed, the jumpers are removed and the supply is connected to terminals 100
and 101. A 5 Amp fuse should be used for protection. In UL applications this should be LittleFuse KLK-5 or equivalent.