1
2a
2c
2b
3
4a
4b
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 STAND-
BY. 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 pressure
(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.
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
STAND-BY
NORMAL SERVICE: pump during shutdown
See NOTE 1)
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 STAND-BY.
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
STAND-BY.
For instructions on how to reac-
tivate 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
(see NOTE 2)
PRESFLO
®
has
detected that the
pump starting-up too often 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 will not restart and goes OUT
OF ORDER. The pump is put STAND-BY. For
instructions on how to reactivate the pump,
see point 3.
ERROR: temporary shut down due to FREQUENT
START UP
= Off
= On
= Flashing
