AL-KO HW 3000, Original Instructions For Use

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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).