JUMO variTRON 300 Installation Instructions Manual page 56

2 Mounting
Dismounting of the central processing unit 705003
Process:
1. Remove the connecting cables if required (interfaces).
2. If required, use a screwdriver to release the wired terminal (B) of the central processing unit (A) and
pull off toward the front (B1).
3. Insert a suitable screwdriver (C) into the unlocking slot of the central processing unit (A2) and press
upward (C3).
4. Pivot the central processing unit (A) upward off the DIN rail (A4) and remove it.
20
(B)
(B1)
(C3)
(A)
(A4)
(A2)
(C)