16 
 
3.2 Installation Direction and Spacing 
3.2.1 Installation Direction 
  Install the AC drive upright for better cooling. 
 
 
3.2.2 Installation Spacing 
Install the AC drive as illustrated below to ensure the required space for airflow and wiring. 
 
 
Note: When installing drives of different sizes, align the tops of the drives for easier cooling fan 
replacement. 
b.  Horizontal installation 
c.  Transverse installation 
Figure 3.1 Installation Direction 
 
Figure  3.2  Installation  Spacing 
Single Drive