Mechanical Installation (T1 to T9 Models)
‑83‑
Figure 4‑3 Position of the cabinet air inlet
Where multiple AC drives are installed in one cabinet, if the fan blows air into the air inlet
from the outside, air distribution for the drives in the cabinet will be affected, resulting in
poor cooling performance. Therefore, do not install a fan at the air inlet of the cabinet to
blow air into the cabinet.
The following table describes the minimum effective ventilation area of the cabinet
air inlet after the drive is installed in the cabinet.
Table 4–2 Minimum effective ventilation area of the cabinet air inlet
AC Drive
Minimum Effective Ventilation Area of the
Cabinet Air Inlet (cm
2
)
T1 20
T2 25
T3 (7.5 kW)
T3 (11 kW)
50
T4
T5 60
T6 to T7 102
T8 204
T9 318
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