DGFLOW PRESFLO V00101101 Manuale d'uso - Pagina 2
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EN
Technical specifications
- 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
Before installing the
product, check that
the RATINGS correspond
with those required.
Losses
15
10
5
0
0
Working area
Pm
Start-up pressure
Qa
Shut-off flow rate
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%.
- 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
CODE:
V00101101
V / Hz:
230 / 50 - 60
I max:
16 A
P start:
1.5 Bar
Year:
2008
RATINGS
50
100
150
Red =
2,2
Blue =
1,5
Yellow =
0,8
1 ÷ 2 litre / min
Flow rate
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.
Safety regulations
Before installing or using PRESFLO
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.
200
l/min
Never disassemble
water accumulator
bar
and cover
bar
bar
Installation
Preliminary checks
Take the PRESFLO
- check for damage,
- check the RATINGS correspond with those required,
- that the cable bushings and screws are in place,
- that PRESFLO
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.
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.
®
, read this manual carefully
®
out of the packaging and check the following:
®
's inlets and outlets are clean and free of any
Water
accumulator
Cover
®