4. Maintenance
4.2 UPS replacement
Fault-tolerant connection module
Before carrying out this operation, the supply of power to the connected equipment must be cut. The equipment will therefore no longer be powered.
Disconnection:
| 1. | Shut down the UPS by pressing button 24 (return to the OFF |
| position). | |
| 2. | Open the battery circuit breaker(s) 8 . |
24 | 3. | Open the upstream device (OFF position) controlling the |
| supply of AC power to the UPS. | |
| 4. | Remove the two fixing screws 31 and the connection module |
| from the UPS. | |
8
10
31
31
Reconnection:
1.Insert the connection module in the connector 10 and secure using the two screws 31 .
2.Close the upstream device (ON position) controlling the supply of AC power to the UPS.
3.Close the battery circuit breaker(s) 8 .
Check that UPS personalization settings still correspond to the equipment to be supplied (see section 3.5).
4. Start the UPS by pressing button 24 .
The connected equipment is again protected by the UPS.
51033211EN/AC - Page 27
