DGFLOW PRESFLO MULTI Руководство

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USER'S MANUAL

ELECTRONIC PUMP CONTROLLER

PRESFLO

is a device that

rate required is zero or less

starts and stops the pump to

than the "shut-off ow rate"

which it is tted, thus replacing

(Qa).

traditional pressure switch /

The electronics of PRESFLO

surge tank systems.

protects the pump against

The pump is started when, as

abnormal running conditions

a tap is turned on, the pressure

such as dry running, repeated

within the system drops below

start-ups due to leaks in the

the "start-up pressure" (Pm),

system or overcurrents.

and is stopped when the ow

Technical speci cations

- Voltage: ~ 230 V / ~ 115 V - Frequency: 50-60 Hz

- Current: 12A, max 16A for 3 sec.

- Protection grade: IP 65

- Start-up pressure ( Pm ): 1÷5 Bar (15-70 psi)

- Shut-off ow rate ( Qa ): 2 litres/min (0,5 gpm)

- Connections: 1"M BSP / 1"M NPT

- Operating pressure: 8 bar (120 psi)

- Bursting pressure: 24 bar (350 psi)

- Weight: 1600 g

- Protection against: dry running

( automatic restart),

repeated start-ups,

overcurrents

CODE:

V00103101

Before installing, the product, check

V / Hz:

~230 / 50-60

that the RATINGS correspond with those

I max:

16 A

required.

SN 1506003

Losses

100

150

Water accumulator pressure.

Should be in ated to a value 0,5 bar lower than

the running pressure.

Operating conditions

Working area

A. Compatible/non compa-

tible uids

PRESFLO

is suitable for use

with clean water and chemical-

ly non-aggressive liquids. If the

uid contains impurities, a lter

should be tted upstream.

B. Environmental conditions

PRESFLO

should not be used

where there is the risk of an

Shut-off ow rate

explosion. The temperature

of the location should range

between 0°C and 40°C, and

the humidity should not exceed

in the power supply is never

90%.

more or less than 10 % of the

C. Power supply

RATING value.

Make sure that the variation

Higher values may cause

PRESFLO

MULTI

Safety regulations

- the power supply is switched

off.

Before installing or using

- the power lines can withstand

PRESFLO

, read this manual

the maximum current.

carefully and thoroughly.

- the cable bushings and circuit

The pump should be installed

board cover have been properly

and serviced by quali ed per-

assembled and secured ( see

sonnel, responsible for making

Electrical Connections ).

the hydraulic and electrical

- the power supply is tted with

connections in compliance with

regulation earthing and safety

the relevant regulations.

devices.

DGFLOW

shall not be held lia-

ble for any damage relating to,

When servicing the product,

or resulting from, an improper

check the following:

use of the product, or for any

- the system is not pressurised

damage relating to, or resulting

(turn a tap on)

from, servicing or repairs carri-

- the power supply is switched

ed out by unquali ed personnel

off.

and/or with non-OEM spare

parts.

Emergency Stop

The warranty, which is valid

When in use, the pump can

for 24 months from the date

be stopped in the event of an

of purchase, will no longer be

emergency:

applicable should the product

press STOP/RESTART.

suffer damage as a conse-

200 l/min

quence of the use of non-OEM

spare parts, tampering or

improper use.

When starting the installation,

check the following:

PRESFLO

To set the running pres-

SERVICE.

sure (Pm) and the max.

5,0 bar

motor current (I max.), see

(75 psi)

For no reason, disassemble

Con guration paragraph.

the water accumulator with the

system pressurized.

Manufacturer's

settings

2,0 bar

Start-up pressure

(30 psi)

1,0 bar

2 l/min (0,5 gpm)

(15 psi)

Flow rate

damage to the electronic

components.

PRESFLO

can only be used

with single-phase pumps.

FR DE

is put OUT OF

Water accumulator

Cover

10194507A _rev.03