Delta PCS100 Maintenance Manual page 32

Opening a Front Door
The AC and DC disconnects have an interlock mechanism to prevent the front door from being opened
if they are not in the OFF position. After turning the disconnects to the OFF (horizontal) position, wait at
least five minutes before opening the front door.
1. Rotate the switch handles to the OFF position to disconnect the AC and DC disconnects.
DC DISCONNECT
OFF
2. Slide the keyhole cover up to locate the keyhole.
Maintenance Manual
DC DISCONNECT
ON
ON
OFF
Figure 16. Disconnecting the AC and DC Inputs
ON
OFF
STANDBY RUN FAULT
Figure 17. Uncovering a Keyhole Slot
AC DISCONNECT
ON
AC DISCONNECT
ON
OFF
OFF
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Maintenance