Bypass Mode
The UPS automatically
switches
to Bypass mode if it detects an overload. load
or
internal failure. The bypass source supplies the commercial AC power to the load through
an internal switch and an internal
WARNING:
The
load is not protected while the UPS Is In
mode.
Figure 4 shows the path of electrical power through the UPS system when the UPS is
operating in Bypass mode.
4.
of Current
UPS In
Mode
You can
the UPS
Normal
mode to
mode
However. the UPS
to
whenever the
can no longer supply the
load.
the UPS transfers to
mode from Normal mode due to any reason
other
operator intervention.
UPS
attempts to transfer back to Normal
mode (up to three times within
a
l&minute period).
Bypass mode is
a
normal operating mode, and not an
However, if the
UPS is unable to return to Normal mode following an automatic transfer to Bypass mode,
an alarm condition will be recorded.
Plus
UPS Operator’s
1 1
Summary of Contents for Plus 80
Page 1: ...0 Powerware Plus 80 Unintemqtibk Power Supply Operation 164200252 Rev A...
Page 55: ...a 1 a Pe WNP U N I N T E R R U P T I B L E P O W E R S Y S T E M S I i b I EXlDE ELECTRONICS...
Page 88: ...I I I I I I IO I I I I b I I NOTES 10 Powemam Plus 60 UPS ln stallation Manual...
Page 147: ...2 I FRONT Powerware Plus 80 UPS installation Manual A 13...
Page 153: ...5 61 CRE47Eo By L ORLANDO RMWON A ONE B 269r Powemare Plus 90 UPS lnstailation Manual A 19...
