Pentair STA-RITE EASYBOOST Instructions De Service page 27

CALIBRATION OF THE PRESSURE SWITCHES MOD. PM/5 E PM12
• Tighten screw A of the pressure switch
to half-way position.
• Unscrew screw B of the pressure
switch.
• Close all the collection points and with
a pump in MANUAL mode, slowly bring
the discharge collector pressure up
to reach the opening of the pressure
switch contact (OFF).
CALIBRATION OF THE PRESSURE SWITCHES MOD. XMP 12
• Tighten screw A of the pressure switch
to half-way position.
• Tighten screw B of the pressure switch
to half-way position.
• Close all the connection points and
with a pump in MANUAL mode, slowly
bring the collector discharge pressure
to the opening level (stop/arrest pump)
that we want to assign to pressure
switch n.1 (the pressure switch contact
must be closed - ON -)
• Open a small collector by bringing
the pressure to the level (start pump)
that we want to assign to pressure
switch n.1
• Tighten screw B of pressure switch n.1
to the point where its electric contact
closes (ON).
• Unscrew screw B of pressure switch n.
1 to the point where its electric contact
opens (OFF).
• Open a small collection/connection
and slowly bring the circuit pressure to
the closing level (start pump) that we
want to assign to pressure switch n. 1
• With a pump in MANUAL mode, slowly
bring the circuit pressure to the
starting level (arrest pump) that we
want to assign to the first pump.
• Unscrew screw A to the point where
pressure switch n. 1 opens.
• Unscrew screw A to the point where
pressure switch n.1 closes.
• Repeat the operation on the other
pressure switch.
GB
25