GE AF-650 GP Design Manual page 93

5.1.2 Mechanical Mounting
All Open Chassis, Nema 12, and Nema 4 drives can be mounted side-by-side..
If the IP21/Nema 1 field installed option kits are installed, there must be a clearance of a minimum of 50mm or 2 inches between drives.
For optimal cooling conditions allow a free air passage above and below the frequency converter. See table below.
5
Table 5.1:
1. Drill holes in accordance with the measurements given.
2. You must provide screws suitable for the surface on which you want to mount the frequency converter. Retighten all four screws.
Table 5.2: Mounting Unit Sizes 15, 21, 22, 31 and32 on a non-solid back wall, the drive must be provided with a back plate A due to insufficient cooling air over
the heat sink.
5.1.3 Field Mounting
For field mounting the optional field installed IP21/Nema 1 kits or Nema 12 drive types are recommended.
92
Air passage for different Unit Sizes
Unit
12 13 15
Size:
a (mm): 100 100 100
b (mm): 100 100 100
21 22 23 24 31
100 200 100 200 200
100 200 100 200 200
130BA392.11
AF-650 GP Design Guide
32 33 34
225 200 225
225 200 225
IP55 Drive