Inovance MD800 Series - Page 41

Mechanical Design
‑40‑
ensure that the hot air can be exhausted to the outside, the total air volume of the fan
cannot be smaller than the air volume of all units in the cabinet. The cooling air
volumes required by MD800 are as follows.
Table 2–5 Cooling air volumes for the power supply units and drive units (three‑phase 380–
480 V)
Unit Type
Power (kW)
Quantity
Maximum Cooling Air
Volume Qmax
(CFM)
Note
Drive unit (single‑
axis)
0.4 1 0
0.75 1 8
1.5 1 8
2.2 1 8
3.7 1 18
5.5 1 19.1
7.5 1 26
Drive unit (dual‑axis)
0.4 1 8
0.75 1 8
1.5 1 12
2.2 1 18
3.7 1 26
Power supply unit
3.7 1 32
7.5 1 60
15 1 60
Table 2–6 Cooling air volumes for the power supply units and drive units (single‑phase 200–
240 V)
Unit Type
Power (kW)
Quantity
Maximum Cooling Air
Volume Qmax
(CFM)
Note
Drive unit (single‑
axis)
0.2 1 0.0
0.4 1 8.0
0.75 1 8.0
1.5 1 8.0
2.2 1 20.0
Drive unit (dual‑axis)
0.2 1 8.0
0.4 1 8.0
0.75 1 14
1.5 1 14
2.2 1 26
Power supply unit
2.2 1 50
3.7 1 60