TapFlo Guardian system Mk3.1, Operation & Maintenance Manual

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DEAD-HEAD & STOP (DH&S)
Issue : 020913-B TPUK-GU31X 27
2. Connect the pressure source to media connection.
3. Plug all other open ports, except reset I/P.
4. Connect an air supply to air in connection.
5. Turn the air supply on.
6. Apply the required set point pressure.
7. Press and hold the reset button of the Guardian.
8. Slowly increase the set point regulator adjustment screw (Fig.GEN-01, 2)
(clockwise) until the reset button stops trying to pop out.
9. Remove the set point pressure.
10. Press the Reset button and it should remain in the in position
11. Reapply the set point pressure and the reset button should automatically
extend.
12. If not repeat steps 6-11.
13. The set point is now adjusted and the system is ready for use.
Calculated
This method of set up is used when the set point pressure is known. The
Guardian’s set point is simply adjusted to a specific pressure using an
external pressure gauge connected to the ‘set point O/P’ connection.
1. Remove the M5 plug and connect an external pressure gauge to the ‘set
point O/P’ connection .
2. Plug all other open ports, except reset.
3. Using a flat bladed screwdriver adjust the set point regulator adjustment
screw (Fig.GEN-01, 2) of the Guardian anti-clockwise until it turns freely.
4. Turn the air supply on.
5. Slowly increase the set point regulator adjustment screw (Fig.GEN-01, 2)
(clockwise) until the pressure gauge indicates 0.5 Bar below the required
set point (i.e. 3.0 bar switching = 2.5 bar set).
6. Turn off the air supply.
7. Remove the pressure gauge, and re-install the M5 plug.
8. The set point is now adjusted and the system is ready for use.