Festo VTSA-44-MP Series Manual page 106

3. Installation
3-28
Setting the pressure regulator with the standard
rotary knob
Proceed as follows:
1. Pull the rotary knob 2 as far as possible out of the
locking level 1 into the setting level 3 (see Fig. 3/4).
2. Set the desired controlled variable in this level by turning
the rotary knob (see "Flow diagrams of the pressure
regulating plates" in Appendix A).
3. Only for pressure regulating valves of widths 18 mm and
26 mm:
Press the rotary knob into the free-running level 4. In this
position, you can turn the rotary knob without modifying
the controlled variable.
4. Only for pressure regulating valves of widths 18 mm and
26 mm:
Turn the rotary knob longitudinally toward the pressure
regulator plate.
5. Press the rotary knob in this position into the snap-in
locking of the locking level 1.
Festo P.BE-VTSA-44-EN en 1101f