MGE UPS Systems 9 kVA Replacement of the electronic module, Disconnecting the connection module

4. Maintenance

4.2 Replacement of the electronic module

Disconnecting the connection module

Before turning the switch,

see the manual

NORMAL BY-PASS

1.	Turn the manual bypass switch 7 , located behind the UPS
(see section 1.2), from the NORMAL to the intermediate
position.
2.	Check that LED 18 is ON before continuing to the BYPASS
position.

bypass

7

18

If LED 18 is not ON, do not switch to the BYPASS position and call the after-sales support department.

3.Turn the manual bypass switch 7 from the intermediate position to the BYPASS position.

The connected equipment is supplied by the AC- power source, via the manual bypass.

21

Before turning the switch,

see the manual

NORMAL BY-PASS

4.Shut down the UPS by pressing button 21 (return to the OFF position).

5.Switch the battery circuit breaker(s) 2 to the OFF position.

6.Remove the two fixing screws 30 to free the connection module 8 (see next page).

7.Remove the connection cable(s) from the battery module(s).

The UPS can be replaced. The connected equipment is supplied by the AC-power source.

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