1
2a
2b
2c
3
4a
4b
4c
Operation
PRESFLO
®
is switched off.
Press briefly
or
hold down
=
nothing happens
Power is restored
=
PRESFLO
®
resumes NORMAL
SERVICE and starts the pump (if
necessary).
No power supply
The system is pressurised.
All taps are turned off. There is no
demand for water. PRESFLO
®
detects an
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 inactive.
The pump has been
stopped manually.
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.
OUT OF SERVICE
PRESFLO
®
has
detected that the
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: stopped temporarily due to DRY RUNNING
The assembly requires water.
One or more taps are turned on.
PRESFLO
®
detects a flow; the assembly
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: the pump is running
PRESFLO
®
has
detected that the
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: temporary shut down due to FREQUENT START UP
ERROR: stop due to overload.
PRESFLO
®
has
detected a current
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.
The system has just ceased to require
water. All taps are closed. The pump
is still in operation. The system is
pressurized. PRESFLO
®
detects a system
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.
NORMAL SERVICE: pump during shutdown
= Off
= On
= Flashing
