4 Repair activities, controller IRC5
4.3.1. Replacement of control power supply
3HAC021313-001 Revision: K188
© Copyright 2004-2008 ABB. All rights reserved.
Removal
The procedures below details how to remove the control power supply.
Refitting
The procedures below details how to refit the control power supply.
Circuit Diagram 3HAC024480-004 Complete control
system
Equipment Spare part no. Art. no. Note
Action Note/Illustration
1.
DANGER!
Before any work inside the cabinet, please
observe the safety information in section
DANGER - Make sure that the main power has
been switched off! on page 28.
2. Disconnect the connectors X1 - X4 on the
control power supply.
3. Loosen the attachment screw and pull the
power supply down to release it from the cap
nut.
xx04000000976
• A: cap nut
• B: attachment screw
4. Remove the power supply unit.
Action Note/Illustration
1.
DANGER!
Before any work inside the cabinet, please observe the
safety information in section DANGER - Make sure that
the main power has been switched off! on page 28.
Continued
Continues on next page