Systemair NOVA drive 370
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5 Mechanical and electrical Installation
In this chapter the installation of the inverter is depicted, starting with mechanical installation guidelines including ori-
entation and mounting torque and finnishing with electrical installation guidelines. For the electrical installation, differ-
ent configurations are presented in details: such as connections in case of Analogue control or ModBus control.
5.1 Mechanical Installation
5.1.1 Drive mounting orientation
The drive mounting orientation shall be vertical, with the cable glands facing downwards. This is to ensure the best
thermal performance of the product. For reference, please refer to Figure 2.
Figure 2 – Mounting orientation of NOVA inverter family
5.1.2 Drive maximum mounting torque and allowed wire dimensions
A visual represenation of the mounting torque and allowed wires can be seen in Figure 3. Required tools for mounting
are presented in Table 3 together with the recommended torque.
Component Mouting tools Torque [Nm]
Motor cable shield PZ1 screwdriver 0.8 – 1.2
Earth connector PZ2 or Flat blade 6mm screwdriver 1.2
Top cover PZ2 or Flat blade 6mm screwdriver 0.8 – 1.2
Table 3 - Tools required for mounting and torque recommendation
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