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STEP ET Series - Page 34

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Chapter 4 Wiring of Inverter
Shanghai Sigriner STEP Electric Co., Ltd.
- 24 -
Figure 3-2 Installation orientation
When the user installs the inverter vertically, the angle between the inverter and the horizontal plane
can be between 87° and 90°. Details are shown in Figure 3-3:
Electric
cabinet wall
Inverter front
87 ° (minimum included angle)
Horizontal plane
Figure 3-3 Permissible mounting angle
3.2.2.2 Installation spacing
1. Single installation
To ensure the ventilation space and wiring space required for the inverter cooling, the installation
space of the inverter shall be as shown in Figure 3-4:

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