Manual Al-ko HW 3000 (page 14 of 160) (English, German, Dutch, Danish, French, Italian, Polish, Swedish, Turkish, Spanish, Norwegian)

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Assembly

14 HWA 3000_3500 Classic

ADVICE

In day-to-day operation (automatic

mode) you must take measures to

exclude the possibility that flooding

of the room occurs as a result of mal-

functions on the unit.

Connect the suction line

1. Select the length of the suction line (Fig. B

-16) so that the house water system cannot

run dry. The suction line must always be at

least 30 cm under the surface of the water.

2. Connect the suction line. Make sure that the

connection does not leak, without damaging

the thread.

➯

We recommend using flexible hoses at

the pump inlet (Fig. A -1). This prevents

mechanical tension or pressure from

being exerted on the house water sys-

tem.

3. A pre-filter must be installed between the suc-

tion line and the pump inlet if the water has

a small amount of sand in it. Ask your expert

dealer.

4. Always lay the suction line with an uphill gra-

dient.

ADVICE

If the suction height is more than 4m, you

must use a suction hose having a diame-

ter greater than 1". We recommend the

use of an AL-KO suction unit with suction

hose, suction filter and flow-back stop.

Ask your expert dealer.

Mounting the pressure line

1. Screw the connecting nipple (Fig. B -13) with

the round seal ring (Fig. B -14) into the pump

outlet (Fig. A -3).

2. Screw the elbow nipple (Fig. B -11) with seal

ring (Fig. B -12) onto the connecting nipple

(Fig. B -13) and turn the elbow nipple in the

desired direction.

3. Fix a pressure line (Fig. B -10) to the elbow

nipple (Fig. B -11).

4. Open all closing off devices (valves, spray

nozzles, water cock) in the pressure line.

STARTUP

Check the air pressure in the storage vessel.

CAUTION!

The house water system must only be

commissioned with a diaphragm storage

vessel pressure of 1.5 - 1.7 bar. Before

commissioning, check the air pressure at

the valve on the back of the storage ves-

sel.

1. Open the cover on the back of the storage

vessel.

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

pump or a tyre pump with pressure indicator.

3. If necessary, correct the air pressure to 1.5 -

1.7 bar.

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

storage vessel.

5. The house water system can now be commis-

sioned.

Fill the house water system

CAUTION!

Before using the house water system

each time, you must fill it with water up

to the overflow so that it can draw water

immediately. The pump will be destroyed

if it runs dry.

1. Open the filling screw (Fig. A -2).

➯

Not with INOX

2. Use the filling screw to fill up with water until

the pump housing is full.

3. Screw the filling screw back in place.

Switch the pump on.

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

spray nozzle, water cock) in the pressure line

(Fig. B -10).

2. Insert the mains plug on the connection cable

into the plug socket.

➯

The pump starts to convey.

3. When there is no more air in the water that

comes out , close the closing off device in the

pressure line.

➯

The pump switches off automatically af-

ter the switch-off pressure has been re-

ached. The house water system is ready

for use.

What pressures do you need to have in the bladder of a AL-KO 3000 Submitted on 28-11-2020 at 14:38
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Al-ko HW 3000 Manual

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