Activation Of Electropump Temporization - Pentair EASYBOOST PMS20 PVM 3-5 Instrucciones De Uso

Grupos de presión con 2 bombas
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Pressure switches calibration
Calibration of the pressure switches mod. PY06
Fig. 7
∙ Tighten almost to the maximum screw A of the pressure
switch
∙ Unscrew almost totally screw B of the pressure switch
∙ Close all the points of collection and bring the plant to
the maximum pressure by manual use of pump. Stop the
pump.
∙ Leave the switchboard predisposed for MANUAL operation.
∙ Open a point of collection and close it when the circuit
pressure has reached the level which we intend to assign
to the first pump.
∙ Tighten screw B of the pressure switch n.1 to the point
where its electric contact closes.
∙ Manually use the pump to raise the network pressure and
bring it to the level that we want to assign to the first pump.
∙ Unscrew screw A to the point where the pressure switch n.
1 is opened.
∙ Repeat the operation on the other pressure switch.
Calibration of the pressure switches mod. PM/5 e PM12
Fig. 8
∙ 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).
∙ 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).
∙ 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.
Calibration of the pressure switches mod. XMP 12
Fig. 9
∙ Tighten screw A of the pressure switch to half-way position.
∙ Tighten screw B of the pressure switch to half-way posi-
tion.
∙ Close all the connection points and with a pump in MANU-
AL 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 -)
∙ 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
∙ Unscrew screw A to the point where pressure switch n.1
closes.
∙ Repeat the operation on the other pressure switch.
ACTIVATION OF ELECTROPUMP
TEMPORIZATION
Temporization begins from the moment in which the thrust
meter opens its contacts. Temporization is activated only in
AUTOMATIC [AUT] mode.
ATTENTION! With temporization activated, the pumps can
reach their maximum pressure. Check that this pressure is
not harmful to the system, the distribution system or the de-
vices.
Acting on the potentiometer of the desired pump, you can ac-
tivate and inactivate the temporization of the pumps
Always shut off the voltage before proceeding to any
operation.
Single-phase pumps
The electronic card foresees the possibility
of temporizing the functioning of the two
pumps from a minimum of 3'' up to a maxi-
mum of 180''.
Rotating potentiometers P1 and P2 towards right, the switch-
ing-off time increases.
ENGLISH
21

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