Reconnecting the battery sub-module | MGE UPS Systems 4000 RT

7. Maintenance

Reconnecting the battery sub-module :

Carry out the above instructions in reverse order.

◗ To ensure safety and high performance, use only batteries supplied by MGE UPS SYSTEMS.

7.3 Maintenance on a UPS equipped with the ModularEasy MX module

Before any action on the manual bypass (61) located on the ModularEasy module front panel, always check that the inverter is stopped (press the "0" button more than 3 seconds).

The equipments should be powered via the Normal AC source, and not protected by the UPS.

TEST	1
NORMAL	BYPASS

		TEST
3	NORMAL	BYPASS

The ModularEasy module makes possible to service or even replace the UPS without affecting the connected equipments (HotSwap function).

Maintenance:

1 - Set the manual bypass (61) to the Bypass

61	position.
	position.
	The equipments are supplied directly with
	Normal AC source.
	2 - Check the UPS main bezel and wait the
	LCD stops (30 seconds).
	3 - Padlock the manual bypass (61) on
	bypass position.
	4 - The UPS can now be disconnected and
	replaced.
	Return to normal operation:
	5 - Properly wire the UPS (see section 2), and
	connect internal batteries.
	6 - Set the manual bypass (61) to the Test

	ESC
30	32	34

6	TEST
NORMAL	BYPASS

I	O
7
29

position then to Normal position : the

equipments are powered via the Normal AC

source, but not protected by the UPS..

7 - Push the "I" button (29) till the buzzer

beeps. LED (20) is ON, and LEDs (30), (32)

and (34) (see page 9) are green: the

equipments are protected by the UPS.

Test position:

It is also possible to fully test the UPS before

the manual bypass (61) is set on Normal

position.

To check the UPS, after step 5, follow this

operating method:

6bis - Set the manual bypass (61) to the test

position.

7bis - Push the "I" button (29) till the buzzer

beeps. After UPS Internal test, LED’s (30),

(32) and (22) should be ON: no failure has

been detected.

To return to normal operation:

◗ Push the "0" button (28) more than 3

seconds.

◗ Then follow the operating method from step

MGE UPS Systems 4000 RT Reconnecting the battery sub-module, Maintenance, Test position

7. Maintenance