Operation Manual

75Fault elimination
7.6 Replacing the fuses and backup battery in the control unit
The fuses of the control unit must be replaced by authorizedpersonnelonly (e.g. electrician).
Replace fuses of the control unit only with fuses matching the specications below with the appropriate
nominal current capacity .
Never use refurbished fuses. Do not bridge the fuse holder.
To replace the fuses or the backup battery proceed as follows:
1. Disconnect control unit from the mains by switching off the electrical isolator and secure electrical
isolator in "Off" position against inadvertent switching on.
2. Undo the screw of the front cover of the control unit, then remove the front cover.
3. Swivel control board assembly 90°outwards.
4. Replace desired fuse or the backup battery.
DANGER!
The contact protection of fuse "F2" must mandatory be relocated after the fuse has been replaced.
Fig. 6: Position of the backup battery and the fuses on the driver board
5. Swivel control board assembly 90°inwards.
6. Relocate front cover on control unit and lock it with the retaining screw.
7. Reconnect Condair RS to the mains by switching on the electrical isolator..
Backup battery
3V (CR 2032)
F2= 6.3 A, slow acting
F1= 1 A, slow acting
Contact protection must
mandatory be tted