93 of 165
M-SV-VT-001-EN Rev. A
3.7.1.10.1 PWM
Connections
Compressor Components
• J11 – 250V DC In and Ground – mid right
• Bearing Power Cables front and rear
3.7.1.11 250V DC-DC
PWM Cable
The 250V DC-DC-PWM Cable provides a power connection between the DC-DC and the PWM.
Figure 107 - 250V DC-DC-
PWM Cable (Revisions A
and B)
Figure 108 - 250V DC-DC-
PWM Cable (Revisions C and
Later)
3.7.1.11.1 Removal and
Installation
Removal (Revision A and B Cables):
1. Isolate the Compressor and VFD power as described in the “Electrical Isolation of the
Compressor/VFD” section of this manual.
2. Remove the Service Side Cover.
3. Disconnect the J11 connector from the PWM.