MGE UPS Systems 12 kVA, 4.5 kVA, 6 kVA Start-up, Bargraph indications, When button 15 is pressed

3. Operation

3.2 Start-up

Prior to initial start-up, check the UPS voltage settings.

The frequency of the output voltage (50 or 60 Hz) is automatically set to that of the input source.

2

1. Close the upstream device (ON position) controlling the supply of AC power to the UPS.

2. Set the battery circuit breaker(s) 2 to ON. The buzzer beeps three times.

If the supply frequency is different than the default value set on the UPS, the new value is set and the buzzer beeps 4 times.

3. Press the ON / OFF button 21 .

All the equipment connected to the UPS is now energised, however it takes another 30 seconds before the UPS is fully operational.

19

20

21

After this time, the equipment connected to the UPS is protected.

◗If LED 19 or 20 do not go ON or if one of LED 11 , 12 , 13 or 14 flash, there is a fault (see section 4.1). ◗In order to detect any wiring errors, it is essential that the AC-power source be present at the first switch-on. Subsequently, the device may be switched-on without the presence of the AC-power source.

3.3Bargraph indications

LEDs 11 to 14 provide three different indications.

1. Remaining backup time in percent (in ON-LINE mode).

11

12	2. Percent load drawn by the protected equipment,
13	when button 15 is pressed.

143. Operating faults (flashing LED and beeps):

15

bypass

11 Overload.

12 UPS fault.

13 Battery fault.

14 Excessive ambient temperature.

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