2. Mechanical Installation                                                                                                                        
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The AC drive is designed with the cooling air ow direction from bottom to top. When installing 
several AC drives within a cabinet, it is necessary to line up the tops of the drives and allow 
cooling air clearance "A" as shown in Figure 2-2.
Figure 2-2 Clearance for multi-drive installation
A
18.5 to 22 kW
Power Rating
30 to 37 kW
45 to 160 kW
A ≥ 10 mm
A ≥  50 mm
A ≥  50 mm
Clearance Requirements
 
Where an AC drive is required to be mounted directly above another AC drive, it is recommended 
to install an Air Guide Plate to divert exhaust cooling air of the bottom unit away from the top unit.
Figure 2-3 Installation of an air guide plate
Air guide plate
MD500
MD500