Figure 62 Load On Maintenance Bypass, Two Breakers; Figure 63 Load On Maintenance Bypass, Three Breakers - Emerson Liebert 610 Series Operation & Maintenance Manual

.
CAUTION
!
Instructions for operating the Maintenance Bypass circuit breakers are on the Maintenance
Bypass cabinet. Make sure you understand the proper sequence before operating any circuit
breaker. Operating a Maintenance Bypass circuit breaker out of sequence could cut off power
to the critical load.

Figure 62 Load on maintenance bypass, two breakers

UPS
CB1
R
I
CB2
MBD
Battery

Figure 63 Load on maintenance bypass, three breakers

Battery
RIB RIB
#3 UPS #2
CB1 CB1
R
I
CB2 CB2
MBD
Battery Battery
RIB RIB
UPS #3 UPS #2 UPS
CB1 CB1 CB1
R R
I I
CB2 CB2 CB2
MBD MBD MBD
Battery Battery
RIB
UPS #1
SBS
R
SBB
I
System
Controls
Output
SCCT
MBD
(can accommodate up to 6 UPS modules)
TRANSFER SWITCH
RIB
#1
SBS
R
SBB
I
System
Controls
Output
SCCT
SCCT
(can accommodate up to 6 UPS modules)
83
Operation
BIB BFB BFB
MBB
SKRU
MIB
To Critical Load
SCCT
STANDBY GENERATOR
AUTOMATIC
BFB BFB
BIB
MBB
SKRU
MIB
To Critical Load
DISCONTINUED
PRODUCT