operation
(continued)
bypass options
automatic bypass
(UPSs fitted with the plug-in "automatic
bypass" module 21 )
c the flashing green indicator light 1f
indicates operation on "automatic bypass".
This bypass is used to directly supply the
load by the AC power (see figure 7):
v in the event of an extended overload,
v if a fault occurs on the UPS (yellow
indicator light 1b flashing, see paragraph
on UPS faults).
manual bypass
(UPSs fitted with the "manual bypass"
connection module 25 or 31 )
Caution:
c we recommend that you carefully read
the following instructions or that you
contact the after-sales service before
handling the "manual bypass" 28 .
If the device is faulty (see paragraph on
"device fault"), prompt transfer of the
"manual bypass" is strongly recommended ;
c the load may only be switched if the
frequency and voltage of the AC power are
within the operating range (see section on
technical data).
36
"automatic bypass" operating diagram
rectifier
AC power
Figure 7
"manual bypass" operating diagram
rectifier
AC power
Figure 8
Pulsar EX : 51032306XT/BB
automatic bypass
21
inverter
7
(and
32
)
battery
automatic bypass
21
manual
bypass
inverter
7
(and
32
)
28
battery
load
load
MGE UPS SYSTEMS