PRG S400 User Manual 3.1 - Manual (Page 41)

PRG SERIES 400 ® POWER AND DATA DISTRIBUTION SYSTEM USER MANUAL 35
POWER DOWN
Power Down Sequence
Use the following procedure to power down and disconnect rack components:
Step 1. At Series 400 Rack, turn Master Switch OFF. To disengage Master Switch, pull down red protective cover
and press red button (Figure 2-5).
Step 2. At house service mains breaker (or 400 Amp Disconnect), turn power OFF.
Step 3. At rear of rack, verify all phase indicators are off (Figure 2-10).
WARNING: Ensure house service mains breaker and rack Master Switch are OFF before disconnecting
mains power cables from rack. Verify this by checking phase indicators on the rear rack panel. Ground
should
always be disconnected last.
Step 4. Disconnect mains power cable Cam-Loks in the following reverse order:
1) Z Phase, 2) Y Phase, 3) X Phase, 4) Neutral, and 5) Ground.
Figure 2-16: Disengaging Master Switch and Disconnecting Cam-Loks
Step 5. At Breaker Modules, disconnect Trunk Cables.
Step 6. Disconnect Trunk Cables from all peripheral equipment such as Breakout Boxes and Front of House
Modules.
Master Switch OFF Button
(under red protective cover)
Cam-Lok Input Connectors
DISCONNECT
1) Z Phase
2) Y Phase
3) X Phase
4) Neutral
5) Ground
ORDER: