130BA228.11
1
Illustration 5.4 Proper Mounting with Railings
Item Description
1
Back plate
Table 5.5 Legend to
130BA392.11
2
1
3
4
Illustration 5.5 Mounting on a Non-solid Back Wall
Mounting enclosure types A4, A5, B1, B2, C1 and C2 on a
non-solid back wall, the frequency converter must be
provided with a back plate, “1”, due to insufficient cooling
air over the heat sink.
Enclosure
IP20
IP21
IP55
IP66
A2
*
*
-
-
A3
*
*
-
-
A4/A5
-
-
2
2
B1
-
*
2.2
2.2
B2
-
*
2.2
2.2
B3
*
-
-
-
B4
2
-
-
-
C1
-
*
2.2
2.2
C2
-
*
2.2
2.2
C3
2
-
-
-
C4
2
-
-
-
* = No screws to tighten
- = Does not exist
Table 5.6 Tightening Torque for Covers (Nm)
5.1.5 Field Mounting
For field mounting the IP21/IP4X top/TYPE 1 kits or IP54/55
units are recommended.
Mechanical Installation
Design Guide
82
Danfoss A/S © Rev. 06/2014 All rights reserved.
MG11BC02
5
5
