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Translation of original operating instructions
Shall the pump continue to suck beyond the automatic cut-out-level the float switch hast to be operated manually,
e.g. by holding it in upright position. To do this, you must remove the cable of the floating switch from the cable
guide (4) at the side. Then adjust the floating switch to the intended holder (11) underneath the cable guide by
sliding the switch vertically into the holder from above so that the cable pointes downside. Just in this operation
mode the min. suction level given in the technical data chart can be achieved. However, the pump must be
constantly monitored to avoid dry running.
5.5.
Use as low suction pump
If you want to use the excellent low suction function of the pump (minimal suction level 1 mm) - for example, for
drainage of rooms or for the complete pumping out of pools - the pump must be placed directly on the ground and
the check valve have to be installed.
a)
To reach the minimum suction level the pump must operate in manual mode; this means the float switch must
be fixed in upright position (see above). This means that the pump will run permanently as long as it is
connected to the electrical mains. This increases the risk of dry running which may cause severe damage to
the unit as a result of overheating. So please do make sure that the pump is only operating as long as there is
enough liquid left to be discharged by it.
b)
When starting the pumping-out the water level must be at least 40 mm (see min. self priming level) so that the
pump housing is vented.
5.6.
How to position the pump
When positioning the pump, please make sure that the max. submersion depth indicated in the technical data will
not be exceeded. Likewise, please make sure that the minimum self-priming level is not fallen short of. If
everything is properly set, the water level may decrease down to the minimum suction level once the pump is
operating.
Please position the pump on solid ground. Avoid placing it on lose stones or sand. When positioning the pump,
please do make sure that the pump cannot tip over or sink into the ground with its intake openings. The
penetration of sand, mud or comparable matters is to be avoided.
To position, lift up or carry the pump, please use only the carrying handle. If required for lowering or raising the
pump, you may connect a suitable lowering rope to the carrying handle. In no case must the pressure hose, the
mains cable or the cable of the floating switch be used to position, to lift up or to carry the pump. The specially
designed pump foot of the FlatOne pumps is designed for extreme flat suction. If this function is not required it is
advisable to install the pump with a little distance to the ground in order to use the full capacity. this can be done
by supporting a stone as distance holder or by using a water resistant rope to fix above the ground.
6. Electrical connection
The unit is equipped with a mains connection cable and a mains plug. It must only be replaced by qualified staff to
avoid any danger. Please do not use the mains connection cable to carry the pump, and do not use this cable to
pull off the plug from the socket, either. Protect the mains connection cable and mains plug from heat, oil or sharp
edges.
The values stated in the technical details have to correspond to the mains voltage. The person
responsible for the installation has to make sure that the electrical connection is earthed in
compliance with the applicable standards.
The electrical connection has to be equipped with a highly sensitive residual current circuit-
breaker (FI switch): ∆ = 30 mA (DIN VDE 0100-739).
If extension cables are used, their cross-section must not be smaller than that of rubber-
sheathed cables of the H07RN-F (3 x 1,0 mm²) short code. The mains socket and the plug
have to be in splashwater-proof design.
7. Putting into operation
Nobody must be in the water while the pump is running.
The pump must only be operated in the performance range indicated on the type plate.
Dry-running - i.e. operating the pump without discharging water - is to be avoided since the
absence of water may cause the pump to run hot. This may cause considerable damage on
the device.
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