ABB ACS850 Hardware Manual

Maintenance
109
Replacing the capacitor pack
WARNING! Follow the safety instructions, page 14. Ignoring the instructions can
cause physical injury or death, or damage to the equipment
1. Remove the front cover, see (1) on page 105. Remove the profiled side plate.
2. Disconnect the discharging resistor wires. The upper ones are connected with the
same nut as the busbar.
3. Undo the fastening screws (detail photos A, B, C, D).
4. Lift the capacitor pack out.
5. Install the new capacitor pack in reverse order to the above.
1
1
3
3
2
2
2*
3
3
B
B
A
A
C
D
M6, 8 N·m (6 lbf·ft)
3
3
3
M6, 5 N·m (4 lbf·ft)
2*
3
3
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ABB ACS850 Specifications

General

Safety	STO (Safe Torque Off)
Communication	CANopen
Enclosure	IP21
Output Voltage	Up to 1000 V DC
Protection Features	Overcurrent, Overvoltage, Undervoltage
Cooling Method	Air or liquid cooling
Input Voltage	380 to 690 V AC