ZGR SCALABLE 60
– 300 KVA
Manual de operaciones
www.zigor.com
16
Test procedure
1.
Switch off the MAINS to simulate utility failure, the rectifier will turn off and the battery should feed the
inverter without interruption. At this time, the LEDs of battery should be turned on.
2.
Switch on the MAINS to simulate utility recovery, the rectifier will restart automatically after 20 seconds
and the inverter will supply to the load. It is suggested to use Dummy loads for testing. The UPS can be
loaded up to its maximum capacity during load test.
Maintenance bypass
To supply the load via Mains, you may simply active the internal mechanical bypass switch.
3.2.3.1
Switch to mechanical bypass
1.
Open the cover of maintenance switch, the UPS turns to bypass mode automatically.
2.
Turn on MAINTANCE breaker;
3.
Switch OFF BATTERY breaker;
4.
Switch OFF MAINS breaker;
5.
Switch OFF BYPASS breaker;
6.
Switch OFF OUTPUT breaker;
At this time the bypass source will supply to the load through the MAINTENANCE breaker.
3.2.3.2
Switch to normal operation (from mechanical bypass)
1.
Open the front and rear doors of the UPS to be easily access to the main power switches
2.
Switch ON the output switch;
3.
Switch ON the bypass and mains switch;
4.
Switch ON the battery breaker;
The UPS powers from the static bypass instead of the maintenance bypass.
WARNING
The UPS is operating normally. It may take 60 seconds to boost up the system and perform self-test
completely.
WARNING
The load is not protected by the UPS when the internal mechanical bypass system is active and the power is
not conditioned.
WARNING
If the UPS is running normally and can be controlled through the display, carry out steps 1 to 6; otherwise,
jump to Step 5.
WARNING
Never attempt to switch the UPS back to normal operation until you have verified that there are no internal UPS
faults.