3.5 Typical connection diagrams
3.5.1 General electrical vehicle
Figure 3 shows a connection diagram of a general electrical vehicle using the AC-M1 as
control board and traction motor drive. Pump motor is not present.
3.5.2 Pump motor application in a twin drive system
Figure 4 shows a typical connection diagram showing AC-M1 control powering an A.C.
pump motor in a twin drive motors system.
3.5.3 Screw torque for the power connections.
The recommended screw torque for fixing the connections +B, -B, U,V and W is 6 Nm.
This value is reported on the label placed on the cover: exceeding the recommended
value may cause damages.
PRELIMINARY VERSION 20