ABB Symphony Harmony Series Instructions Manual page 83

Procedure
installed power supply tray is operational and that its status
light is on.
1. Open the front door to the cabinet.
□
2. Verify that the circuit breaker on the PEP to the line (LINE
□
1 or LINE 2) that will power the power supply tray to be
C2
installed is off.
3. Slide the new power supply tray into the power chassis and
□
push until it firmly connects with the power chassis.
4. Turn the two thumbscrews (Figure PR5-1) clockwise to
□
secure the power supply tray to the power chassis.
5. Plug the power cord into the front of the power supply tray
□
and secure it with the wire retaining clip.
6. Check the circulation vents on the power supply trays and
□
power chassis and make sure they are free of air flow
obstructions.
7. Turn the proper circuit breaker on the PEP to the on
□
position.
8. Verify that the status LED is lit.
□
PR5 - 4 WBPEEUI210509A1