The following instructions are applicable
only to the 12 V / 2.3 Ah backup batteries supplied by Vaisala.
WARNING Do not replace the
battery with a battery of an incorrect type. If you do, there is a risk of
deflagration. Dispose of used batteries according to statutory regulations.
WARNING Do not connect the
battery until the system is ready for powering up.
WARNING Make sure that the battery
switch in in the OFF position during mounting.
Make sure that you have the replacement spare part available.
1
Backup battery and battery charger assembly
2
Fixing screw (2 pcs)
3
Cable tie holder (2 pcs)
4
Connector 1
5
Connector 2
Replacing backup battery
1
Battery switch
2
AC (mains) power switch
2
Battery charger assembly
4
Backup battery (behind)
Switch off both AC (mains) power switch and battery switch.
Make sure that there is no AC (mains)
power available for the system.
Disconnect the connectors from the battery charger and the backup battery.
Remove the battery charger assembly.
Remove the backup battery and replace it with a new one.
Connect the cables from the battery charger to the backup battery:
Insert the red battery cable into the
flat cable connector in the positive ( + ) terminal in the
backup battery.
Insert the black battery cable into
the flat cable connector in the negative ( ˗ ) terminal in the
backup battery.
Place the backup battery in the battery holder.
Mount the assembly to the interface unit, and fix in place with 2 screws.
Use the 3-mm Allen key delivered in the
FD70 tool kit.