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Wiring
VFDB-SVX001A-EN
45
Figure 38.
RAFD (VFDB) MV drive field connection diagram
(a)
1. Line power
2. Motor-to-drive power
3. Cross power wiring
4. Chiller control power
5. HPC Interlock
–
For medium voltage drives, Dry contact 14 AWG max
wire size.
6. Oil pump interlock
7. Jumper required or remote stop switch
8. Chiller-to-drive communication link
9. Cross control wiring
(a) For AWG/MCM equivalents in mm
2
, refer to
4
1
2
3
5
6
7
8
9