Installation Guide

Removing a 300 W DC Power Supply
To remove an installed Summit 300 W DC power supply, follow these steps:
1. De-energize the DC circuit.
2. Disconnect the DC power cables:
a. Pull the cover o the terminal block.
b. Loosen the screws that secure the cable terminals to the terminal block.
c. Slide the wires out from under the captive washers.
Warning
Be sure to disconnect all power cables before you disconnect the chassis ground wire.
3. Disconnect the ground wire:
a. Remove the screw that secures the ground wire to the power supply.
b. Move the wire away from the power supply.
4. Push the latching tab toward the power supply handle and pull outward on the handle to disengage
the power supply internal connectors.
See Figure 408.
Figure 408: Removing a Summit 300 W DC Power Supply (Front-to-Back Model
10933 Shown)
5. Carefully slide the power supply the rest of the way out of the switch.
Installing a Replacement 300 W DC Power Supply
To install a replacement Summit 300 W DC power supply, follow these steps:
1. Verify that the power supply is right side up.
Replacing DC Power Supplies
Removing a 300 W DC Power Supply
Summit Family Hardware Installation Guide 473