20
4. Remove the casing cover
C
and remove the cable for potential equalisation from the flat plug of the casing
cover.
5. Loosen the 2 locking screws
D
of the control system casing by approx. 4 - 6 mm by turning them counter
clockwise and remove the cable for potential equalisation from the flat plug of the control system casing.
Fig 23: Screws
D
for fastening the control system casing
6. Push the control system casing in the direction of the arrow by approx. 3 - 5 mm in such a way that the press-
in keyhole fasteners unlatch from the 4 keyholes
F
of the casing wall.
Fig 24: Unlocking the keyhole connection
D
C
F
Fig 22: Remove the casing cover
C
from the device
