Electrical installation
87
Motor connection – Units with common motor terminal cubicle (+H359)
Connection diagram
Connection procedure
1. Open the door of the common motor terminal cubicle (see section Cabling
direction starting on page 29).
2. Remove any shrouds that protect the output busbars and cable entries.
3. Lead the cables into the inside of the cubicle. It is recommended to apply 360°
grounding of the cable shields at the entry as shown below.
4. Connect the cables as follows:
• Twist the cable shields into bundles and connect to cabinet PE (ground) busbar.
Connect any separate ground conductors or cables to cabinet PE (ground)
busbar.
• Connect the phase conductors to the output power terminals (U2, V2, W2). For
the tightening torques, see the chapter Technical data.
5. Provide support for the cables whenever necessary.
6. Refit all shrouds removed earlier and close the door.
U2
V2
W2
PE
M
3~
U1
W1
V1
PE
Inverter unit cubicle(s)
Common motor terminal
cubicle
To Next Page
Loading...
