AL-KO HW 3500 - Инструкция по эксплуатации - Страница 16

en

Storage

16

HWA 3000_3500 Classic

STORAGE

ADVICE

In the event of frost risk, the system must

be drained completely (pump, lines and

storage vessel).

1. Drain  the  suction  line 

(Fig.  B  -16)

  and  pres-

sure line

(Fig. B -10)

.

2. Unscrew the drain screw 

(Fig. A -8)

 and allow

the water to drain from the pump.

3. The water in the storage vessel 

(Fig. A -6)

 is

pushed  out  at  the  same  time  by  the  air  bel-

lows.

4. Screw the drain screw 

(Fig. A -8)

 back in po-

sition  and  store  the  pump,  lines 

(Fig.  B  -10,

16)

  and  storage  vessel 

(Fig.  A  -6)

  in  a  frost-

free location.

DISPOSAL

Do not dispose of old

equipment,batteries or accumulators

as householdwaste!

Product, packaging, and accessories

were made with recyclable materials, and

should be disposed of accordingly.

HELP IN CASE OF MALFUNCTIONS

CAUTION!
Disconnect the mains plug before any fault rectification work!

Malfunction

Possible cause

Rectification

Impeller blocked

Clean the pump

Release the motor shaft of the impeller

with a screwdriver.

Overheating by dry running or wa-

ter that is too hot (thermal protection

switch has switched the pump off).

Check the water level on the suction

side.

Allow the conveying fluid to cool down.

Repairing or replacing the pump.

Pump drive motor

does not run

No mains voltage

Check the fuses and power supply.

The suction line is not under the water

surface. Dry run, automatic switch-off

after 90 seconds.

Submerge the suction line in the water

by at least 30 cm.

Suction-side blockage

Remove dirt from suction area.

Pressure line closed off

Open the closing off units in the pres-

sure line.

Pump drawing air in the suction line

Check all connections on the suction

line for leaks.

Replacing the seal.

Pump not drawing

water

Pump has been running dry

Fill the pump housing with water.

Diaphragm is damaged.

Have the diaphragm replaced by AL-

KO Service Department.

Pump switches

on and off too fre-

quently

Low air pressure in storage vessel

Top the air up in the storage vessel.

(Set the diaphragm pre-pressure to 1.5

bar).