Manual Metabo HWW 4500-25 Inox Plus (page 9 of 64) (English, German, Dutch, Danish, French, Italian, Polish, Portuguese, Swedish, Spanish, Norwegian, Finnish)

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See page 2. The illustrations serve as examples

for all devices.

1 ON/OFF switch *

2 LED (Fault) *

3 LED (ON, STANDBY, Info) *

4 Button (ON, OFF, or "Mode A", RESET) *

5 Control panel *

6Pump

7 Pressure vessel *

8 Air valve for pilot pressure *

9 Water drain screw

10 Pressure switch *

11 Pressure gauge (water pressure) *

12 Suction connection

13 Water filling screw

14 Pressure connection

15 Key *

16 Cover *

17 Filter unit *

18 Cup *

19 Filter *

20 Check valve *

* depending on features

6.1 Setting the pilot pressure

Set the pilot pressure before initial operation. See

section 9.4.

6.2 Installation

The device must be positioned on a horizontal, flat

surface that is suitable for the device weight with

water filling.

To avoid vibrations, the device should not be

bolted on but rather should be positioned on a

resilient base.

The place of installation should be well ventilated

and protected against weather influences. Protect

against frost - see section 8.3.

For operation in garden ponds

and swimming pools, the device

must be installed in a flood-proof

location and secured against fall-

ing in. Additional statutory require-

ments must be taken into consid-

eration.

6.3 Connecting the suction line

Caution! The suction line must be installed

such that no mechanical or twisting forces

are exerted on the pump.

Caution! Use an intake filter to protect the

pump against sand and contamination.

Caution! A check valve is absolutely neces-

sary to prevent the water from draining when

the pump is switched off. We recommend the

installation of check valves at the intake opening of

the suction hose and at the suction connection (12)

of the pump. Depending on the model, a check

valve may already be integrated (see section 13.

Technical Specifications).

Seal all screw-couplings with thread sealing tape.

Leaks result in air intake and reduce or prevent the

water intake.

The suction line should have an inside diameter of

at least 1" (25 mm); it must be kink- and vacuum-

resistant.

The suction line should be as short as possible

because the longer the line length, the lower the

conveying capacity.

The suction line should rise uniformly towards the

pump to prevent air inclusions.

A sufficient water supply must be guaranteed and

the end of the suction line should always be under

water.

6.4 Connecting the discharge line

Caution! The discharge line must be installed

such that no mechanical or twisting forces

are exerted on the pump.

Seal all screw-couplings with thread sealing tape

to prevent water discharge.

All components of the discharge line must be pres-

sure-resistant and installed correctly.

Danger! If non-pressure-resistant compo-

nents are installed, or assembly is incorrect,

the discharge line can burst during operation. Inju-

ries are possible if highly pressurised fluids are

ejected!

6.5 Connection to a pipe network

To reduce vibration and noises, the device should

be connected with flexible hose lines to the pipe

network.

6.6 Mains connection

Danger! Risk of electric shock!

Never operate the device in a

wet environment and only under

the following conditions:

- Connect only to an earthed outlet

that is properly installed, earthed

and tested.

- Mains voltage, mains frequency

and fuse protection must corre-

spond to those stated in the

'Technical Specifications'.

- The device must be supplied via

a residual-current device (RCD)

with a rated residual current of

max. 30 mA.

- The electrical connections must

not be under water and must be

located in a flood-proof area. The

connections must be splash-

proof for outdoor use.

- Extension cables must have

sufficient conductor cross

sections. Unroll cable reels fully.

- National installation specifica-

tions must be observed.

6.7 Filling the pump and suction

Caution! In the case of a new connection,

water loss or air intake, the pump must be

filled with water. Operation of the pump without

water filling will destroy it!

- Unscrew water filling screw (13) including

gasket.

- Slowly pour in clean water until the pump is filled.

- Screw in water filling screw (13) with gasket

again.

- Open the discharge line (open water tap or spray

nozzle) so that air can escape during suction.

- Switch on the device (see section 7.).

- When water emerges evenly, the device is ready

for operation.

Note:

The suction line does not need to be filled

because the pump is self-priming. Depending on

the length and diameter of the line, however, it may

take some time until pressure is built up. To

shorten the suction time: install a check valve at

the intake opening of the suction hose and fill the

suction line too.

Caution! The pump and suction line must be

connected and filled (see section 6.).

Caution! The pump must not be allowed to

run dry. There must always be sufficient

conveying medium (water) available.

If the pump is blocked by foreign bodies or the

motor is overheated, a protective circuit shuts

down the motor.

7.1 Explanation of operating elements

Devices with ON/OFF switch (see

illustration A)

Use the switch (1) to turn the device on/off.

Devices with control panel (see illustration B)

For HWA..., HWW...:

Insert mains plug. The pump is ready for operation:

The LED (3) lights up in blue (STANDBY).

Switching on:

To switch on, press the ON/OFF button (4) briefly.

The pump motor starts to run and the LED (3) lights

up in green.

Dry-running protection:

If the pump is unable to convey water after 20

seconds, the LED (3) starts to flash slowly in

green.

If the pump is unable to convey water after a further

100 seconds, the pump motor stops for 5 seconds

(the LED (3) starts to flash quickly in green), and

tries to convey water for a further 2 cycles.

If the pump cannot still convey water, it stops and

the LED (2) lights up in red (dry-running protec-

tion). Check that the end of the suction line is under

water. Check if leaks are causing air intake and

thus preventing water intake. Proceed as

described below to put the pump into operation

once again:

HWA..., HWW...: Press the button (4) and keep it

pressed for 3 seconds (RESET).

P 6000 Inox: Disconnect the mains plug and insert

once again.

When the pump is able to convey water, the LED

(3) lights up in green and remains lit.

Switching off:

To switch off, press the ON/OFF button (4) briefly.

Pump shut-down when the discharge line is

closed:

If the discharge line is closed when the pump is

running, (close water tap or spray nozzle), the

pump must switch off automatically. Otherwise,

overheating or damage can occur or there may be

a risk of scalding due to the heated water. The

electronics check at regular intervals whether

water is flowing through the pump.

HWW..., HWA...: If there is no water flow detected,

the LED (3) flashes in green for 40/70 seconds.

The pump motor then switches off and the LED (3)

lights up in blue (STANDBY).

P 6000 Inox: If there is no water flow detected, the

LED (3) flashes in green slowly for 20 seconds and

then quickly for a further 5 seconds. The pump

motor then switches off and the LED (3) lights up in

red. To put the pump into operation once again:

Disconnect the mains plug and insert once again.

Safety mechanism for insufficient flow volume:

If the flow volume is insufficient (less than approx.

60 l/h, e.g. in the case of leaks), the pump switches

on and off frequently. This can cause the pump to

overheat or get damaged or the heated water may

pose a scalding risk. If the pump tries to switch on/

off more than 6 times in 100 seconds, it is switched

off for safety reasons and the LED (2) lights up in

red. Eliminate the reason for this! To put the pump

into operation once again: Disconnect the mains

plug and insert once again.

7.2 Using the device

Pump

(device designation P...)

Functional principle: The device operates while it

is switched on.

Danger! P 4500 Inox: If the discharge line is

closed, run the pump for a maximum of 5

minutes because otherwise overheating of the

water in the pump can cause damage.

1. Insert mains plug.

2. Fill pump if necessary - see section 6.7.

3. Switch on the device - see section 7.1).

4. Open the discharge line (open water tap or

spray nozzle).

5. Check that water emerges!

6. When work is complete, turn off the device -

see section 7.1.

Only for P 6000 Inox

: A switch to "Mode A" is

necessary if the pump is to be activated via an

attachment unit (e.g. Hydromat (order no.

0903063238), timer). To do this, insert the mains

plug and press the button (4) for more than 3

seconds. The LED (3) changes from green to blue.

The pump can now be unplugged and connected

to the attachment unit.

To return to "normal mode", insert the mains plug

and press the button (4) for more than 3 seconds.

The LED (3) changes from blue to green.

5. Overview

6. Initial Operation

7. Operation

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Metabo HWW 4500-25 Inox Plus Manual

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