7-15
VLT is a registered Danfoss trademark
Figure 7-12. IGBT Modules (3 of 4)
11. Remove 6 retaining screws (T30) connecting each
IGBT module output to IGBT output bus bars.
12. Remove retaining nut (17 mm) connecting IGBT
output bus bar to IGBT over-fan bus bar. Note
that there is one for each of three phases.
13. Remove retaining nut (17 mm) or T50 Torx screw,
depending on unit type, connecting IGBT over-fan
bus bar to current sensor bus bar.
Output bus bar
Retaining screw
(Step 11)
Retaining nut
(Step 12)
Retaining nut
(Step 13)
Over-fan bus bar
Retaining nut
(Step 14)
14. Remove 3 retaining nuts (17 mm) at top and one
retaining nut (8 mm) at bottom attaching IGBT
output bus bar to standoffs. Remove IGBT output
bus bar.
CONTINUED NEXT PAGE
Retaining nut
(Step 14)
Summary of Contents for VLT series
Page 1: ...MOTION CONTROLS Service Manual VLT 4152 4652 VLT 5122 5602 VLT 6152 6652 VLT 8152 8652...
Page 8: ......
Page 20: ......
Page 32: ......
Page 41: ...2 9 VLT is a registered Danfoss trademark Figure 2 7 Inverter Section...
Page 58: ......
Page 96: ......
Page 152: ......