7 emergency modules off, Figure 59 emergency modules off, Emergency modules off – Liebert 1000kVA User Manual
Page 86: Operation 80, Scct

Operation
80
3.3.7 Emergency Modules Off
The Local Emergency Modules Off (LEMO) mode is used to remove power from all UPS system com-
ponents and the critical load will continue to be supplied through the bypass line.
The Emergency Module Off control is a guarded pad on the SCC Control Panel (see Figure 10).
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 system
components except the controls, system bypass circuit breaker and the static switch.
Refer to 3.4.5 - Shutdown Procedures.
Figure 59 Emergency modules off
BIB
SKRU
MIB
MBB
I
R
#2
UPS
CB1
CB2
System
Controls
RIB
RIB
RIB
BFB
Output
SBB
SBS
RIB
RIB
RIB
BFB
#1
UPS
#3
UPS
I
R
#1
UPS
CB1
I
R
#3
UPS
CB1
CB2
CB2
SCCT
SCCT
(can accommodate up to 6 UPS modules)
To Critical Load
Battery
MBD
Battery
MBD
Battery
MBD
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