Setting the High Pressure
Relief Control
STEP 4
Slowly open downstream isolation valve to establish flow through
the system.
STEP 5
With pump operating, throttle a downstream isolation valve
closed.
STEP 6
Adjust the Relief Control adjustment screw IN, clockwise, until the
inlet pressure rises to the desired high pressure relief setting (See
Figure 2).
4 IOM-ACV-116-52_6116-52 2115
EDP# 1917053
© 2021 Watts
IOM-ACV-116-52_6116-52 2115
EDP# 1917053
© 2021 Watts 5
Figure 2
PV20C — Pressure Sustaining Control
Clockwise to increase inlet
pressure
Counterclockwise to decrease
inlet pressure
