TapFlo Guardian system Mk3.1, Operation & Maintenance Manual, Page: 7 / 44

GUARDIAN MK3.1
Issue : 020913-B TPUK-GU31X 5
Function plate
The Guardian Mk.3.1 is user configurable and must be configured to the
desired mode prior to use. Check the configuration of the function plate as
shown if Fig.GEN-01 in conjunction with the associate table below.
To reconfigure undo the 4x retaining screws and rotate the plate to the correct
orientation and refit, being careful to ensure the retained seals remain in place
Fig.GEN-01
1 Function plate
2 Retaining screws (x4)
Position Function Mode
POS. 1 Falling pressure trip DR&S, DH&R
POS. 2 Rising pressure trip BARR, DH&S