Topvex TR800, TR1300, TR1800, TR4000
Operation and Maintenance Instructions
Systemair Inc.
29
1
Remove the cover by pressing down the locking
torques at the edge of the cover using a small
screwdriver, and at the same time pulling the
edges outwards.
2
Grip the battery firmly with your fingers and lift it
upwards until it rises from its holder.
Press the new battery firmly down into place. Note
that to preserve correct polarity, the battery can
only be inserted the “right way round”.