BILS-10003 rev E
27
500
System Features
501
On / Off Switch
A key-switch on the front of the UPS is utilized to turn the Herytage UPS on and off on
the 6kVA through 20kVA models. A rocker switch on the rear of the UPS is utilized to
turn the Herytage UPS on and off on the 2kVA through 4kVA models
501-1
Herytage UPS On/Off-switch positions
OFF (0)
– In this mode there will be no AC power available to your load equipment,
the front panel LEDs, keypad, and display will not function.
ON (I)
-
All AC power to the load equipment will be conditioned, if the input AC power
should fail, battery power will turn on and deliver power to load equipment. Once AC
power returns, within specifications, battery power will automatically turn off. The front
panel LEDs, keypad, and display will function.
502
Bypass switch / AC disconnect operation
There are 2 basic models of bypass / AC disconnect switches available:
-
BBM (break before make)
-
MBB (make before break)
Both configurations have an
AC disconnect switch
and a
UPS bypass switch.
502-1
AC disconnect switch
The purpose of the AC disconnect switch is to turn power on and off to the Herytage
UPS.
ON
- AC power from building service panel will be applied to the Herytage UPS.
OFF
- There will be no AC power from building service to the Herytage UPS.
