V/D
S
ERIES
M
ECHANICAL ASSEMBLIES
Revision: 2.1 3-23
− Atmosphere switch (SW2): An additional relative pressure switch
ensures that the power to the pneumatic assembly is interrupted if the
excess pressure in the sterilisation chamber is > 4 kPa. The door is
prevented from opening.
If these conditions are met, the chain of events described above takes
place in reverse order after the Open button on the display is pressed.
Opening the door in an emergency
If the door cannot be opened using the controller, then it can be opened
manually using the pneumatic assembly. Prerequisite:
− The internal compressed air has a pressure of at least 4 bar (P2).
− The sterilisation chamber is depressurised.
• Remove the service door or side sections.
Fig. 6: Pneumatic assembly
• Remove the hose (3) from Y13 (2).
• Open the solenoid valve (1) by turning the adjusting screw clockwise
by a quarter turn.
Note
After the door is opened, turn back the adjusting screws and
reattach the hose to Y13.
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