Initial Ups Start-Up; Converter And Inverter Output Calibration - Powertronix Quasar Service Manual

Chapter 3 - Commissioning
Validating the Installation
3.4 -

Initial UPS Start-up.

The following procedure describes the start-up and calibration of the UPS at the initial Start-up.
Figure 3-1
Note: The following instructions refer to the controls on the UPS OPERATOR PANEL
(shown above). The user interface consits of 4 status indicator LEDs (labled 1-4),
a LCD panel and 4 control push buttons (labled a-d).

3.4.1 - Converter and Inverter Output Calibration.

The Secondary DC bus and Inverter Output settings will be automatically set by the Voltage parameters set on the
UPS Control Boards (see Setting UPS Parameter Section for more details).
The following table shows the correct levels of the Inverter AC volts and the Secondary DC Bus volts, depending
on the Voltage Parameters:
Voltage Parameter/
Inverter AC (L–L) Voltage.
Before starting the UPS connect a DVM set to DC volts to the UPS Secondary DC bus as shown below:
Figure 3-2
Check Secondary DC bus
between Fuse F3 & F2
765V DC
3 - 4
Operator Control Panel
380Vac
400Vac
415Vac
DC Bus Voltage check
F3
Service Manual
Secondary DC Bus Voltage.
715Vdc
750Vdc
800Vdc
3x3 UPS Commissioning
F2
Issue 2 - November 2001