Storage; Disposal; Help In Case Of Malfunctions - AL-KO HW 3000 Betriebsanleitung

en

STORAGE

In the event of frost risk, the system must
ADVICE
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.

HELP IN CASE OF MALFUNCTIONS

CAUTION!
Disconnect the mains plug before any fault rectification work!
Malfunction
Pump drive motor
does not run
Pump not drawing
water
Pump switches
on and off too fre-
quently
16
Possible cause
Impeller blocked
Overheating by dry running or wa-
ter that is too hot (thermal protection
switch has switched the pump off).
No mains voltage
The suction line is not under the water
surface. Dry run, automatic switch-off
after 90 seconds.
Suction-side blockage
Pressure line closed off
Pump drawing air in the suction line
Pump has been running dry
Diaphragm is damaged.
Low air pressure in storage vessel
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.
Rectification
Clean the pump
Release the motor shaft of the impeller
with a screwdriver.
Check the water level on the suction
side.
Allow the conveying fluid to cool down.
Repairing or replacing the pump.
Check the fuses and power supply.
Submerge the suction line in the water
by at least 30 cm.
Remove dirt from suction area.
Open the closing off units in the pres-
sure line.
Check all connections on the suction
line for leaks.
Replacing the seal.
Fill the pump housing with water.
Have the diaphragm replaced by AL-
KO Service Department.
Top the air up in the storage vessel.
(Set the diaphragm pre-pressure to 1.5
bar).
Storage
HWA 3000_3500 Classic