DGFLOW PRESFLO Notice D'instructions page 8

Problems Signals
PRESFLO
®
will not turn on
The pump will
not start when
a tap is turned on
The pump
delivers no or low
pressure
The pump stops
and starts
repeatedly
The pump will
not stop
= Off = On
Exploded view of spare parts
Attention: when ordering spare
parts, always state the position
n° from the diagram below and
the product code number found
in the pressure-flow regulator
technical data table.
1 - Circuit board cover
2 - Pressure gauge
3 - Circuit board
4 - Cable bushings
5 - Valve unit
6 - two-pieces joint with OR
Disposal
When disposing of any
PRESFLO parts, adhere
®
to the relevant laws and
regulations in force in
the country in which the
equipment is being used.
Do not dispose of any
polluting parts in
the environment.
Possible causes
No power
PRESFLO
start-up pressure (Pm) for the chosen
application.
Faulty electrical connections or
pump out of service
PRESFLO
PRESFLO
due to "DRY RUNNING" due to lack
of water
Maximum pump pressure is
insufficient
PRESFLO
due to "FREQUENT START-UP"
Filters or pipes may be partly blocked Check the water pipes
PRESFLO
completely
Leaks within the system (less than
the shut-off flow rate Qa)
The flow rate is higher than the
shut-off flow rate (Qa)
PRESFLO
close or is damaged
= Flashing
6
CODE:
V / Hz:
5
I max:
P start:
SN 15060002
2
4
Statement of Compliance: we declare, under our own respon-
sibility, that the product in question is in compliance with the fol-
lowing European Directives and national implementation provisions
2014/35/CE Low Voltage Directive
2011/65/CE (RoHS)
2012/19/CE - 2003/108/CEE (WEEE)
2014/30/CE Electromagnetic Compati-
bility Directive (EMC)
EN 60730-2-6
EN 61000 6-3
model with an inadequate
®
"STAND-BY"
®
in temporary shut down
®
in temporary shut down
®
's valve will not open
®
's check valve will not
®
Article
50066/115
~230 / 50 - 60
16 A
1.5 Bar
Version
B
3
1
Bigarello 01.06.16
DGFLOW S.r.l.
President
Stefano Concini
Solutions
Check the electrical connections
Relocate PRESFLO to another position
®
Install a model with a higher start-up pressure (Pm)
Check the electrical connections and that the pump
is working
Reset PRESFLO (See Operation, point 3).
®
Wait for the automatic restart or press START to
restart manually (See Operation, point 4a)
Replace the pump with one with more suitable
characteristics
Install a model with a lower start-up pressure (Pm)
Wait for the automatic restart or press START to
restart manually (See Operation, point 4b). Remove
any cause of leakage from system or install an
expansion tank
Check that the valve is not blocked by any foreign
objects and clean if necessary
Check the hydraulic connections and repair any
leaks. If a leak cannot be repaired, install an
expansion tank
Make sure that all taps are turned off and that
there are no leaks within the system
Check that the valve is not blocked by any foreign
objects and clean if necessary
Size
Made in Italy by
DGFLOW srl Via Emilia, 5
46030 Bigarello (Mantova) Italy
tel. +39 0376 340922
fax. +39 0376 249525
info@dgflow.it - www.dgflow.it