Danfoss FC 302 Manuale di installazione - Pagina 6

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Danfoss FC 302 Manuale di installazione
IGBT Module Replacement for Fx09-Fx12 and E1h–E4h
Installation Guide
7.
Tighten the busbar connection terminals to the torque value listed in
Example
1
4
Illustration 3: IGBT Fastener Tightening Sequence
Table 7: Torque Tightening Values and Sequence for iC7 Series Frequency Converters
Kit number
Mounting torque
[Nm (in-lb)]
176F3944
3.3 (29)
176F3945
3.3 (29)
176F3949
3.3 (29)
176F3943
4.5 (40)
176F4141
3.3 (29)
176F4143
4.5 (40)
176F3950
3.3 (29)
176F3956
4.5 (40)
6 | Danfoss A/S © 2022.03
3
2
A
Busbar connection
torque [Nm (in-lb)]
3.3 (29)
3.3 (29)
3.3 (29)
9.0 (80)
3.3 (29)
9.0 (80)
3.3 (29)
9.0 (80)
Table 7
and
Table
8.
7
3
1
5
9
B
Diagram
A
A
A
B
A
B
A
B
AN361427984575en-000101 / 130R0770
Installation
10
6
2
4
8
Screw tightening order
1-2-3-4
1-2-3-4
1-2-3-4
1-2-3-4-5-6-7-8-9-10
1-2-3-4
1-2-3-4-5-6-7-8-9-10
1-2-3-4
1-2-3-4-5-6-7-8-9-10