Dc Reference (Co) Ground And Chassis Ground - ABB CPS6000-Systems-48V DC Power Installation Manual

Systems
1 Distribution/1 Rectifier Shelf
2 Distribution/1 Rectifier Shelf
1 Distribution/2 Rectifier Shelf
2 Distribution/2 Rectifier Shelf

DC Reference (CO) Ground and Chassis Ground

Use a 1/4" diameter double-hole lug on 5/8"center (Not provided) to ground the chassis as shown in
the figure below. Torque connection to 65 in-lbs. The DC reference ground is connected to the return
bus as shown below. Use a 3/8" diameter double-hole lug on 1" centers (Not provided).
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Figure 5: DC Reference Ground and Chassis Ground Connections
CP:S6000_External Distribution_IG
Weights
19"
41 lbs
59 lbs
55 lbs
74 lbs
23"
54 lbs
77 lbs
74 lbs
97 lbs
Rev. 1.3