ABB ACA 6 Series - PE Busbar; Lifting a Double Roof

Chapter 2 – Mechanical Installation
ACA 6xx Sections and ACS/ACC 6x7 (132 to 3000 kW) Frequency Converters 2-15
PE Busbar The PE busbar connection is shown below.
Lifting a Double Roof
When the drive is equipped with a double roof:
M10
Tightening
torque:
35–40 Nm
(25–30 ft.-lbs.)
Joint piece
1
1. Lift the upper part of the roof plate up from the transportation
position.
2. Lock the roof to its final position with the M6 screws.
2