13
MAINTENANCE AND CLEANING
Before beginning any maintenance or cle-
aning work, make sure that the device has
been unplugged and take precautions to ensure
that it cannot be switched on during work!
Cleaning the pump
– If you have used your domestic water system
to pump chlorine water (swimming pool water)
or liquids which leave a residue, flush your
pump out with clear water after use.
DISPLAYING THE FLOW RATE
The current flow rate in litres per minute can be
read out at the flow LED (10).
Cleaning blockages
If your domestic water pump should become
block-ed so that it does not suction or pump out
liquid, remove the obstruction as follows:
• Remove the suction hose from the pump inlet.
• Unscrew and remove the suction hose
connector (1) with the built-in non-return valve
(2).
• Attach the pressure hose connector (4) to the
water tap and spray water into the pump until
the blockage is flushed out.
• If the pump runs trouble-free when turned on
for a short time, put it into operation as described
in the instructions.
Make sure that the non-return valve is inser-
ted properlz when replacing the suction hose.
• Screw the suction hose connector (1) with the
inserted non-return valve (2) into the pump inlet.
• Put the pump into operation as described in the
instructions.
Frost protection
Your domestic water pump is susceptible to low
temperatures. Make sure to empty the device of
residual liquid (hoses and pump) and store it so
that it is protected from frost.
• Empty the suction and pressure hoses.
• Remove the draining screw (12) and drain all
water from the pump.
• Replace the draining screw and store the device
so that it is protected from frost.
See Figure D for the characteristic curve of your domestic water pump.
TECHNICAL DATA
Type HWA 800 GPI 900/3 GPI 1100/4 GPI 5100/3
Product number 110 964 110 938 110 937 112 142
Rated power 800 W 900 W 1100 W 900 W
Power supply 230-240 V 230-240 V 230-240 V 230-240 V
Frequency 50 Hz 50 Hz 50 Hz 50 Hz
IP class IPX4 IPX4 IPX4 IPX4
Noise emission < 58 dB(A) < 58 dB(A) < 58 dB(A)
Max. suction height 9 m 8 m 8 m 8 m
Max. pump height 42 m/4.2 bar 35 m/3.5 bar 45 m/4.5 bar 38 m/3.8 bar
Max. flow rate 3600 l/h 5100 l/h 5100 l/h 5100 l/h
Max. temperature
of liquid pumped 35 °C 35 °C 35 °C 35 °C
Pump drive single stage 3 stage 4 stage 3 stage
Suction/pressure hose 1“ 1“ 1“ 1“
Weight 8.1 kg 11 kg 11 kg 11 kg
GB
Number of burning
LEDs
Flow rate
in l/min
1 > 1.5 - 2
2 > 4.0 - 6
3 > 18 - 20
4 > 36 - 40
5 > 48 - 52
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