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Operation
3.3.7Remote Emergency Power Off
The Remote Emergency Power Off (REPO) mode is used to remove all power from the critical load.
The Remote Emergency Power Off control is a
When you operate the Remote Emergency Power Off switch, all UPS circuit breakers are opened, including the bypass circuit breaker. All power through the UPS is removed from the load. Typically, the REPO circuit also opens the circuit breakers that provide power to the bypass lines and the UPS controls.
Refer to 3.4.4 - Shutdown Procedures.
Figure 48 Emergency power off
THREE BREAKER MAINTENANCE BYPASS SWITCHBOARD
BFB | MBB |
| Critical |
| Load |
| AC Output |
BIB | MIB |
RIB
UPS MODULE
Static
Bypass
Switch
Static |
|
Switch | Bypass CB |
Disconnects |
CONTROL POWER
Controls |
MAIN INPUT
SWITCHGEAR
INPUT
CB
Rectifier/ |
Charger |
Inverter
OUTPUT
CB
Battery
MBD
65