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Interconnections
The following figure shows the TwisTorr 74 FS interconnections.
Figure 26
Earth (Ground) Connection
It is required to connect the pump body to protective earth with a M5
screw (marked thread in the pump body) using a green/yellow wire
of size AWG 16. Please ensure a reliable connection with using an M5
screw and a snap ring or washer disc of the same metal as the pump
body to prevent corrosion. The screw must be fixed with a 2 Nm
torque.
The impedance between the pump-body and the earth connection
point must be < 0.1 Ω.
TwisTorr 74 FS User Manual / 87-901-053-01
Technical Information
Interconnections
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