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6. Operation
13
Before plugging in set the operating
mode with the Mode selector (13):
Position A = Automatic mode
Position M = Manual mode
6.1
Automatic mode
In Automatic mode the submersible
pump is automatically started and
stopped by the integrated float switch:
The pump starts pumping when the
float switch is raised by the fluid
above the starting level (14).
The pump stops when float switch
falls to below the cut-out level (15).
Caution!
A
The float switch must be able
to move in such way that the pump
can not run dry.
6.2
Manual mode
Starting
Push Mode selector (13) up to posi-
tion M. The pump starts pumping.
Caution!
A
Do not let run pump unat-
tended in Manual mode. Risk of dam-
age by pump running dry at low fluid
levels.
12
Stopping
Contrary to Automatic operation the
pump does not stop running when a cer-
tain water level is reached.
Push Mode selector (13) down into
position A. The pump stops when
the float switch lowers to below the
cut-out level .
7. Care and Maintenance
Danger!
A
Prior to all servicing:
Switch Off.
Unplug.
Service and repair work other than
described here must be left to quali-
fied specialists.
7.1
Periodic maintenance
For the pump to function perfectly at any
time periodic maintenance is required.
This also applies if the pump is used
under heavy conditions, but does not run
for extended periods of time (e.g. when
used in well drains).
Yearly service
1.
Check pump casing, cables and
float switch for damage.
2.
Rinse pump with clear water.
Remove persistant soiling, e.g.
algae desposits, with brush and
dishwashing liquid.
3.
To flush the inside of the pump,
place it into a container filled with
clear water and switch ON briefly.
Rinsing the pump.
Always rinse the pump with clear
water when liquids were pumped
that leave residues, such as chlor-
ous water from a swimming pool.
Cleaning the float switch
14
15
Set Mode selector (16) to position
1.
"O", then press and hold the selec-
tor to unlock the float cover (17).
Remove float cover.
Unhook float (18) complete with
2.
shaft (19) and clean.
3.
Clean walls and floor of float com-
partment.
4.
Reassemble pump.
Cleaning the intake port's cover
20
Loosen screws (20) and remove the
1.
cover.
2.
Clean impeller and all accessible
inside surfaces of the casing.
Remove any fibres which may have
wound around the impeller shaft.
Remove persistant soiling with
brush and dishwashing liquid.
16
3.
Reassemble pump.
7.2
Pump storage
Caution!
A
Frost damages the pump and
accessories, as both always contain
water!
When there is danger of freezing
17
remove pump and accessories and
store in frost-free location.
8. Trouble Shooting
Danger!
A
Prior to all servicing:
Switch OFF.
Unplug.
18
19
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