- Voltage:
230 Volt a.c. / 110 Volt a.c.
- Frequency: 50-60 Hz
- Maximum current:
10 / 16 / 30 A
- Protection grade: IP 65
- Start-up pressure ( Pm ) :
0,8 / 1,5 / 2,2 Bar
- Shut-off flow rate ( Qa ) :
1 – 2 litres/min
Flow rate
Pressure
1
÷
2
litre / min
Start-up pressure
Working area
Technical specifications
Losses
2,2
bar
1,5
bar
0,8
bar
Red =
Blue =
Yellow =
l/min
m H
2
O
0
50
100
150
200
0
5
10
15
Shut-off flow rate
Pm
Qa
EN
Operating conditions
A. Compatible/non
compatible fluids
PRESFLO
®
is suitable for use
with clean water and chemically
non-aggressive liquids. If the
fluid contains impurities, a filter
should be fitted upstream.
B. Environmental conditions
PRESFLO
®
should not be used
where there is the risk of an
explosion. The temperature of
the location should range
between 0
°
C and 65
°
C, and the
humidity should not exceed 90%.
C. Power supply
Make sure that the variation in
the power supply is never more
or less than 10 % of the RATING
value.
Higher values may cause
damage to the electronic
components.
PRESFLO
®
can only be used with
single-phase pumps.
- Connections:
1”M BSP / 1”M NPT
- Operating pressure – bursting
pressure: 10 Bar - 40 Bar
- Weight: 1450 g
- Protection against:
- dry running ( automatic restart)
- repeated start-ups
Safety regulations
Before installing or using PRESFLO
®
, read this manual carefully
and thoroughly.
The pump should be installed and serviced by qualified personnel,
responsible for making the hydraulic and electrical connections
in compliance with the relevant regulations.
DGFLOW
®
shall not be held liable for any damage relating to,
or resulting from, an improper use of the product, or for any
damage relating to, or resulting from, servicing or repairs carried
out by unqualified personnel and/or with non-OEM spare parts.
The warranty, which is valid for 24 months from the date of
purchase, will no longer be applicable should the product suffer
damage as a consequence of the use of non-OEM spare parts,
tampering or improper use.
When starting the installation, check the following:
- the power supply is switched off.
- the power lines can withstand the maximum current.
- the cable bushings and circuit board cover have been properly
assembled and secured ( see Electrical Connections ).
- the power supply is fitted with regulation earthing and safety
devices.
When servicing the product, check the following:
- the system is not pressurised (turn a tap on)
- the power supply is switched off.
EMERGENCY STOP
• When in use, the pump can be stopped
in the event of an emergency:
press START/STOP.
PRESFLO
®
is put OUT OF SERVICE.
Position
PRESFLO
®
can either be fitted directly to the pump outlet or anywhere
along the delivery line. Never install taps between the pump and
PRESFLO
®
. Do not install a non-return valve between PRESFLO
®
and the taps, meanwhile it is possible, although not necessary, to
install a non-return valve on the suction piping of the pump.
Installation
Preliminary checks
Take the PRESFLO
®
out of the packaging and check the following:
- check for damage,
- check the RATINGS correspond with those required,
- that the cable bushings and screws are in place,
- that PRESFLO
®
’s inlets and outlets are clean and free of any
packaging materials,
- that the check valve moves smoothly.
Hydraulic connections
Orientation
PRESFLO
®
can be installed at any
angle depending on the flow direction,
as indicated in the diagrams.
CODE:
V / Hz:
I max:
P start:
Year:
V00101101
230 / 50 - 60
16
A
1.5
Bar
2008
RATINGS
Before installing the
product, check that
the RATINGS correspond
with those required.
Water
accumulator
Cover
Never disassemble
water accumulator
and cover
