BILS-10003 rev E
28
502-2
Bypass switch
The purpose of the Bypass switch is to bypass the Herytage UPS to perform
routine maintenance.
OFF -
No power from either the building service panel, or from Herytage UPS
will be supplied to load equipment.
UPS -
If the Herytage UPS is on, conditioned / battery power will be supplied to
the load equipment.
Line –
If utility
power from your building service is available, it will be supplied
to load equipment.
502-2-1 BBM
(break before make) bypass configurations have an off position in-between
the
UPS
position and the
Line
position. When turning the handle through the
OFF
position power will be interrupted to the load equipment.
502-2-2 MBB
(make before break) bypass configurations can be switched from the
UPS
position to the
Line
position and vice versa with no loss of power to load equipment if
installed correctly.
Note: The UPS must be in the Power Condition mode, or the
ON mode with the battery power (yellow) LED OFF.