Hint!
The solenoid valve can also be activated and deactivated in manual
mode using the operating buttons, see .
7.4
Service Function
If maintenance must be conducted on a process valve that is fitted with a control
top T.VIS A-15, the valve core must be pulled out of the housing. For this
purpose, the valve disk pretension of the process valve must be relieved by
actuating the main actuator. This is possible with the service function, see
“Operating overview” .
Another option with the hood removed is the manual override on the solenoid
valve, see “Control top with solenoid valves” .
7.5
Adjust the proximity switch in the lantern - for unbalanced double disks of the
valves D, R, Y, B, T_R
Fitting the proximity switch holder
Carry out the following steps:
1.
Preassemble sliding piece (1), countersunk screw (3) and nut NI (2).
Fig.44
2.
Insert the preassembled part in the slot (4.1) in the lantern (4) with the
mounting hole (1.1) facing in the direction of the housing (5).
Fig.45
3.
Turn the nut NI (2) in the slot (4.1) in the lantern through 90° and tighten with
the countersunk screw (3).
Start-up
Service Function
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Summary of Contents for T.VIS A-15
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