２８
15. Operating mode for all models
1. Utility power mode
The display panel in utility power mode is shown in the following diagram. The utility power
LED and the INV LED are turned on. The load level LEDs will be turned on in accordance
with the load capacity connected.
1) If the battery LED is turned on and the utility power LED flashes, it indicates the voltage
or frequency of the utility power has exceeded the normal range, the UPS operates in
battery mode.
2) If output overloaded, the load level LEDs will be turned on and alarm will keep twice every
second. You should get rid of some unnecessary loads one by one to decrease the loads
connected to the UPS less than 90% of its nominal power capacity.
Note: Please follow the following steps to connect the generator
：
Activate the generator and wait until the operation is stable before supplying
power of the generator to the UPS (be sure that the UPS is in idle mode). Then
turn on the UPS according to the start-up procedure. After the UPS is turned on,
then the loads can be connected to the UPS one by one.
The power capacity of the AC generator should be at least twice of the UPS
capacity.
2. Battery mode
The display panel in battery mode is shown in the following diagram Fig.15.2. The battery
LED and the INV LED are turned on. The displayed number of the battery level LEDs will be
turned on in accordance with the battery capacity. Note that the load level LEDs in utility
power mode will indicate the level of the battery capacity in battery mode instead.
1) When the UPS is running in battery mode, the buzzer beeps once every 4 seconds. If
the “ON” button on the front panel is pressed for more than 1 second again, the buzzer
will stop beeping (in silence mode). Press the “ON” button once again for more than 1
second to resume the alarm function.
Fig 15.1 The utility power mode
Summary of Contents for 1000H(XL)
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