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Item 62820, 62821
Page 6
The Tool Experts
01 2022-1
Setting the on/off operating point
By adjusting the floating switch and its snap-in holder, the switch-on and off point of the floating switch
can be set. Before operating the pump, check the following points:
•
The floating switch must be installed in such a way that the level of the switch-off point and the
level of the switch-on point can be reached easily and with little effort. To check this, place the
pump in a container filled with water, carefully lift the float switch by hand and then lower it
again. While doing this, check whether the pump switches on or off.
•
Make sure that the distance between the floating switch head and the snap-in holder is not too
small. Proper operation cannot be guaranteed if the gap is too small.
•
When setting the floating switch, make sure that it does not touch the base before the pump
switches off.
Caution!
Danger of running dry!
Technical data
Item number
62820
62821
Energy supply
230
V, 15
Hz
Power
(W)
750
1.500
Max. flow rate
(
ℓ
⁄
h
)
16.000
22.800
Max. delivery head
(m)
10
Hose
Length
(m)
20
Diameter
(
㎜
)
50.8
Troubleshooting
Error
Causes
Solution
Pump does not start
No power supply
Check the power supply.
Floating switch does not switch
Move the floating switch to a
higher position.
No flow
Inlet strainer blocked
Clean the inlet strainer with a jet
of water.
Pressure air hose bent
Readjust the hose.
Pump does not switch off
Float cannot sink
Place the pump correctly on the
shaft bottom.
Insufficient flow
Inlet strainer blocked
Clean the inlet strainer.
Reduced pump performance due
to dirty water
Clean the pump and replace
worn parts.
The pump switches off after a
short running time
Thermal switch stops pump due
to dirty water
Pull out the mains plug. Clean the
pump and impeller.
Water too hot; thermal switch
stops pump
Make sure that the maximum wa-
ter temperature does not exceed
35
℃
.