Delta PCS100 - Page 32

Maintenance
Maintenance Manual 20
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.
Figure 16. Disconnecting the AC and DC Inputs
2. Slide the keyhole cover up to locate the keyhole.
Figure 17. Uncovering a Keyhole Slot
ON
AC DISCONNECT
OFF
ON
DC DISCONNECT
OFF
ON
AC DISCONNECT
OFF
ON
DC DISCONNECT
OFF
ON
OFF
STANDBY RUN FAULT