6 emergency module off, Figure 47 emergency modules off, Emergency module off – Liebert 610 User Manual
Page 70

Operation
64
3.3.6 Emergency Module Off
The Local Emergency Module Off (LEMO) mode is used to remove power from nearly all UPS module
components, and the critical load will continue to be supplied through the bypass line.
The Emergency Module Off control is a guarded pad on the UPS Control Panel (Figure 4).
Lift the cover and press the pad. The load will be transferred to bypass, and the battery (MBD), input
and output circuit breakers will be opened (tripped). This will remove power from all UPS module
components except the controls, bypass circuit breaker and the static switch.
Refer to 3.4.4 - Shutdown Procedures.
Figure 47 Emergency modules off
Controls
Bypass CB
Static
Bypass
Switch
RIB
BFB
Critical
Load
AC Output
Static
Switch
Disconnects
THREE BREAKER MAINTENANCE BYPASS SWITCHBOARD
CONTROL POWER
UPS MODULE
MAIN INPUT
SWITCHGEAR
OUTPUT
CB
Rectifier/
Charger
INPUT
CB
Inverter
Battery
MBD
BIB
MBB
MIB
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