AL-KO HW 1000/MC, Instruction Manual

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9
GB
D
ESCRIPTION OF THE
S
YSTEM
Domestic water system/Accessories (Figs.
A, B)
1 Pump inlet/suction hose connector
2 Filler screw
3 Pump outlet/pressure hose connector
4 Motor housing
5 Valve
6
Reservoir
7 Pressure gauge
8 Electric cable
9 Draining screw
10 Pressure switch
11 Compensating hose
12 Pump chamber
13 Filter (accessories)
14 AL-KO suction kit (accessories)
Scope of supply
Your domestic water system comes equipped with
a pressure switch, a pressure gauge and an elec-
tric cable with an earthing-contact type plug.
Function
The domestic water system works automatically.
The pump automatically switches on or off depen-
ding on the pressure set (see technical data).
The system sucks the liquid to be pumped through
the suction hose (1) and lets it out into the reservoir
(6). Upon reaching the set cut-out pressure (reser-
voir is full), the system automatically switches off.
As soon as the pressure falls to below 2-2.5 bar
(wasser is drained from the reservoir), the system
automatically switches back on and continues
pumping the liquid until either the reservoir is full or
any draining process running has been completed
and the reservoir is full.
Thermal protection
Your domestic water system is equipped with a ther-
mal protection switch, which switches the pump
off if it overheats. The pump will remain off until it
has cooled down. After about 15 - 20 minutes,
the pump will automatically switch on.
S
ETTING UP AND
O
PERATING THE
S
YSTEM
Before putting your domestic water system
into operation, check the inlet pressure at
the diaphragm which can be read out from the
valve (5) on the reservoir. Make sure that the
pressure is approx. 1.5 bar and correct if required
(see Checking the Inlet Pressure).
• Place the device onto a hard, flat surface so that
it cannot tip over and so that it will not be near
the flow of water.
• Make sure that the device is protected from rain
and any direct exposure to water.
When attaching the suction and pressure
hoses, make sure that they do not exert a
tension on the device. We recommend the use of
flexible hoses at the pump inlet (1) and outlet (3).
If you have any questions, ask your retailer.
When operating the system ( automatic
operation ), take appropriate measures to
ensure that damage due to flooding cannot occur
if the system should malfunction.
Attaching the suction hose
Choose a hose which is long enough so that the
device will not suck in air and run dry. The hose
should be at least 30cm under the surface of the
liquid to be pumped while the pump is in operation.
Mount a non-return valve in the suction hose
to prevent the liquid from running back out of
the pump.
• Attach the suction hose. Make sure to screw it in
tightly, but take care not to damage the threads.
If the liquid to be pumped is deeper than 4 m,
you should use a suction hose which is larger
than 1“ in diametre for the best performance. We
recommend our AL-KO suction set (14), which con-
sists of a suction hose, strainer and non-return
valve. The suction set is available at your local
retailer’s.
Before pumping sandy water, you must insert
a filter (13) between the suction hose and the
pump inlet or you will damage your domestic water
system. The filter is available at your local retailer’s.
• When laying the suction hose, make sure that it
is lower than the system.
If the suction hose is laid so that it is higher
than the device, bubbles will become trapped
in the line and the pump will suck air.
• Attach the pressure hose. Make sure to screw it
in tightly, but take care not to damage the threads.
Attaching the pressure hose