15
MECHANICAL INSTALLATION
Installation guide Powerdrive MD Smart Equipment
5704 en - 2021.10 / b
2.6 - Type of cooling
2.6.1 - Air cooling
Air can exit on all sides of the roof. The drive cabinet can be installed with one side only against a wall (with the IP21 or IP54 roofs).
Under no circumstance must the difference between the drive cabinet internal temperature and the ambient temperature outside
the cabinet exceed 5°C.
In atmospheres where condensation can form, install a heating system (to be switched off when the drive is operating). It is
advisable to control the heating system automatically.
2.6.2 - Liquid cooling
The type of connection and its position will be detailed on the layout diagram of the TH plan.
To avoid condensation in the drive cabinet:
- Respect the temperature of the liquid cooling indicated in the table below
- Stop the liquid circulation when the drive is switched off for more than one minute.
Minimum
temperature of
liquid cooling
Air temperature inside the drive cabinet (°C) at 1 bar
10°C
15°C
20°C
25°C
30°C
35°C
40°C
45°C
50°C
Relative
humidity
(%)
40%
-2.6
1.5
6.0
10.5
15.0
19.4
23.8
28.2
32.8
50%
0.1
4.7
9.3
13.9
19.0
23.0
27.6
32.1
36.7
60%
2.6
7.3
12.0
16.7
21.0
26.0
30.7
35.4
70%
4.8
9.6
14.4
19.1
24.0
29.0
33.5
38.2
80%
6.7
11.6
16.4
21.3
26.0
31.0
35.9
90%
8.4
13.4
18.3
23.2
28.0
33.0
38.0
Example: at an air temperature of 40°C and a relative humidity of 50 % inside the drive cabinet.
The temperature of the liquid cooling should not fall below 27,6°C
Air outlets
Air inlets
