Vanguard UPS S2 - Manual (Page 9)

Operating Procedures UPS-S2 
6
4.0 PRETEST SETUP
4.1 Operating Voltages
The UPS-S2
™ operating voltages are pre-set for 90-130Vac, 50/60Hz or 210-240Vac, 50/60Hz.
at the factory.
To set the UPS-S2 for 120Vac operation, the High Range jumper is connected to terminal 7 of
the variac.
To set the UPS-S2 for 240Vac operation, the high Range jumper is connected to terminal 6 of the
variac.
Figure 3 Variac Terminals
4.2 UPS-S2 output voltage
The UPS-S2 output voltage is shown in table below:
Table 3 Typical UPS-S2 Output Voltage with 120Vac input
RANGE SETTING HIGH RANGE LOW RANGE
AC VOLTAGE OUTPUT 0-270Vac 0-120Vac
DC VOLTAGE OUTPUT 0-360Vdc 0-150Vdc
Table 4 Typical UPS-S2 Output Voltage with 240Vac input
RANGE SETTING HIGH RANGE LOW RANGE
AC VOLTAGE OUTPUT 0-250Vac 0-220Vac
DC VOLTAGE OUTPUT 0-360Vdc 0-260Vdc
120Vac Setting
240Vac Setting