Bedienungsanleitung Al-ko HW 3500 INOX (Seite 15 von 160) (Deutsch, Englisch, Holländisch, Dänisch, Französisch, Italienisch, Spanisch, Polnisch, Türkisch, Schwedisch, Norwegisch)

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Startup

477 032_a 15

Switch the pump off

1. Remove the mains plug from the socket

2. Close one of the closing off devices (valve,

spray nozzle, water cock) in the pressure line

(Fig. B -10).

ADVICE

If no suction takes place within a period

of 180 seconds, the garden pump au-

tomatically goes to "fault" condition and

switches off.

CAUTION!

Danger of injury from hot water

In extended use against the closed pres-

sure side (>10 min.), the water in the

pump can be severely heated up and can

be emitted in an uncontrolled manner!

Isolate the unit from the mains and allow

the pump and water to cool down. Start

the unit again only after all the faults have

been rectified!

The risk of injury from hot water can arise if:

the installation is not correct

the pressure side is closed off

there is a lack of water in the suction line, or if

the pressure switch is defective.

Procedure

1. Isolate the unit from the mains and allow the

pump and water to cool down.

2. Check the unit, the installation and water le-

vel.

3. Start the unit again only after all the faults

have been rectified!

MAINTENANCE AND CARE

Check the air pressure in the storage vessel.

CAUTION!

Check the air pressure in the storage

vessel at regular intervals. It must not fall

below 1.5 bar (see section "Commissio-

ning: Checking the air pressure in the

storage vessel").

1. Isolate the house water system from the

mains and secure against switching on again.

➯

The pump stops automatically.

2. Open one of the closing off devices (valve,

spray nozzle, water cock) in the pressure line

(Fig. B -10).

3. Drain the water off until the pump is comple-

tely empty.

4. Open the cover on the back of the storage

vessel.

5. Check the air pressure at the valve with an air

pump or a tyre pump with pressure indicator.

➯

If necessary, correct the air pressure.

6. Then close the cover again on the back of the

storage vessel.

7. Start the house water system again.

Cleaning the pump

ADVICE

After conveying swimming pool water

containing chlorine or fluids that leave a

residue, the pump must be flushed out

with clear water.

1. Isolate the unit from the mains and secure

against switching on again.

➯

The pump stops automatically.

2. Flush the pump out with clear water.

3. Insert the mains plug into the plug socket.

4. Switch the house water system on with the

on /off switch (Fig. A -6).

➯

The pump starts automatically.

Remove blockages

1. Isolate the unit from the mains and secure

against switching on again.

2. Remove the suction hose from pump inlet.

3. Connect the pressure hose to the water sup-

ply.

4. Allow water to run through the pump housing

until the blockage is removed.

5. Check that the pump is running freely by swit-

ching it on briefly.

6. Start the house water system again as descri-

bed.

Pressure Switch

ADVICE

The switch-on and switch-off pressure of

the house water system is pre-set in the

factory. Any changes that may be requi-

red should only be made by the specia-

list dealer.

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Al-ko HW 3500 INOX Seite 15

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