Operation
1
No power supply
Press briefly or hold down =
nothing happens
Power is restored =
PRESFLO
SERVICE and starts the pump (if
necessary).
NORMAL SERVICE: the pump is inactive.
2a
demand for water. PRESFLO
assembly pressure higher than that of
the start-up pressure (Pm) and no flow.
Press briefly = the pump is
started manually and runs for
a few seconds before stopping
again.
Hold down = lthe pump is put OUT OF
SERVICE.
For instructions on how to reactivate the
pump, see point 3.
A tap is turned on = as soon as the
pressure falls below the start-up pressu-
re (Pm), the pump is started.
NORMAL SERVICE: the pump is running
2b
PRESFLO
pressure is normally higher than the
START-UP pressure, but it may also be
lower.
Press briefly or hold down
= the pump is stopped and put
OUT OF SERVICE. For instruc-
tions on how to reactivate the
pump, see point 3.
The taps are turned off = Sif there is
no flow for a few seconds, the pump is
stopped.
NORMAL SERVICE: pump during shutdown
2c
pressurized. PRESFLO
pressure higher than the start-up
pressure (Pm) and no flow.
Press briefly or hold down =
the pump is stopped and put in
STAND-BY. To reset see point 3.
If the absence of flow lasts for a
few seconds the pump is stopped.
PRESFLO
is switched off.
®
resumes NORMAL
®
The system is pressurised.
All taps are turned off. There is no
detects an
®
The assembly requires water.
One or more taps are turned on.
detects a flow; the assembly
®
The system has just ceased to require
water. All taps are closed. The pump
is still in operation. The system is
detects a system
®
= Off
= On
OUT OF SERVICE
3
The pump will remain inactive until a new
command is given.
Press briefly
= nothing happens.
Hold down
= the pump resumes NORMAL
SERVICE. See points 2a - 2b.
ERROR: stopped temporarily due to DRY RUNNING
4a
pump is dry running and has therefore
stopped it TEMPORARILY.
Press briefly = the pump is started
and manually and resumes
NORMAL SERVICE. See points
2a - 2b.
Hold down = the pump is put
OUT OF SERVICE. For instructions on
how to reactivate the pump, see point 3.
ERROR: temporary shut down due to FREQUENT START UP
4b
pump starting-up too often and has there-
fore stopped it TEMPORARILY.
Press briefly = the pump
is started and manually and
resumes NORMAL SERVICE. See
points 2a - 2b.
Hold down = the pump will
not restart and goes OUT OF ORDER.
The pump is put OUT OF SERVICE. For
instructions on how to reactivate the pump,
see point 3.
ERROR: stop due to overload.
4c
exceeding the max. allowed and has the
pump stopped.
Press briefly = the pump is started
and manually and resumes
NORMAL SERVICE. See points
2a - 2b.
Hold down = the pump is put
OUT OF SERVICE. For instructions on
how to reactivate the pump, see point 3.
= Flashing
The pump has been
stopped manually.
PRESFLO
has
®
detected that the
PRESFLO
has
®
detected that the
PRESFLO
has
®
detected a current