User's Manual

6 Maintenance
ID No: 161692 PRELIMINARY Page 89
6.2.2 Battery Backup
figure 6-2 Location of battery backup
• Before removing the battery charge module and battery, disconnect the
battery cable from the battery charge module (see also figure 5-17 Battery
backup).
• The battery can now be unplugged easily.
• Release the charger from the two snap connectors by which it is fastened and
disconnect it from its socket on the distribution & alarm board.
• To install the new module, proceed in reverse order.
6.2.3 Fan Unit
• Unscrew the three M5x6 socket head screws by which the fan unit is screwed
to the cabinet. Be careful not to lose the according washers.
figure 6-3 Fan unit screws
Battery pack
Battery charge module
Snap connectors