Gtec NS3000 Series, User Manual

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NS3000 UPS 60KVA~120KVA User Manual
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5. Operations
5.1 UPS Start-up
5.1.1 Start from Normal Mode
The UPS must be started up by commissioning engineer after the
completeness of installation. The steps below must be followed
：
1. Ensure all the circuit breakers are open.
2. Close the output circuit breaker (CB) (Q4) and then close the input CB (Q1)
and bypass input CB (Q2), the system starts initializing.
3. The LCD in front of the cabinet is lit up. The system enters the home page,
as shown in Fig.4-2.
4. Notice the energy bar in the home page, and pay attention to the LED
indicators. The rectifier flashes indicating the rectifier is starting up. The LED
indicators are listed below in Table 5.1.
Table 5.1 Rectifier starting up
Indicator Status Indicator Status
Rectifier green flashing Inverter off
Battery red Load off
Bypass off Status red
5. After 30S, the rectifier indicator goes steady green, presenting the finishing
of rectification and then the inverter is starting up. The LED indicators are
listed below in Table.5.2.
Table 5.2 Inverter starting up
Indicator Status Indicator Status
Rectifier green Inverter green flashing
Battery red Load green
Bypass green Status red
6. The UPS transfers from the bypass to inverter after the inverter goes normal.
The LED indicators are listed below in Table 5.3.
Table 5.3 Supplying the load
Indicator Status Indicator Status
Rectifier green Inverter green
Battery red Load green
Bypass off Status red
7. The UPS is in Normal Mode. Close the battery circuit breakers and the UPS
starts charging the battery. The LED indicators are listed below in Table 5.4.
Table 5.4 Normal mode
Indicator Status Indicator Status
Rectifier green Inverter green
Battery green Load green
Bypass off Status green
8. Starting up done.