MGE UPS Systems 4000 RT user manual Maintenance, Hot swapping the power sub-module

7. Maintenance

7.1 Hot swapping the power sub-module

This operation must be carried out by qualified electrical personnel only.

This operation can be performed without interrupting the equipments.

Disconnecting the power sub-module :

2

3

1

4

3 1

x 6

1

1 - Remove the 6 fixing screws to free the main front panel bezel.

2 - Place the front panel above the UPS.

3 - Remove the 4 fixing screws on the left side to free the power sub-module.

4 - Withdraw the power sub-module.

Reconnecting the power sub-module :

◗Carry out the above instructions in reverse order.

◗ Replace the faulty power sub-module by another one with same power rating (Pulsar MX 4000 or Pulsar MX 5000).

7.2 Hot swapping the battery sub-module

◗Caution: a battery can cause electrocution and high short circuit currents.

◗ Servicing of batteries should be performed or supervised by personel knowledgeable of batteries and the required precautions. Keep unauthorized personel away from batteries.

◗Remove watches, rings, bracelets and all other metal objects from the hands and arms,

◗Use tools with an insulated handle.

◗When replacing batteries, replace with the same number of the BB/HR5.5-12 batteries.

This operation can be performed without interrupting the equipments.

Disconnecting the battery sub-module :

2

		4
3	3	1
		1

x 6

1

1 - Remove the 6 fixing screws to free the main front panel bezel.

2 - Place the front panel above the UPS.

3 - Remove the 4 fixing screws on the right side to free the battery sub-module.

4 - Pull the battery sub-module slightly, then lift it to extract it.

34008030EN/AA - Page 32