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To ensure the proper operation of the pump, it is important to comply with the following recommendations:
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• Never leave the pump in operation when the delivery pipe is clogged.
• The pump must be positioned so that the holes on the suction side cannot be partially or totally clogged by
dirt.
• The pump must only be used when it is immersed in water. If the water runs out, the pump must be stopped
immediately by removing the plug from the power supply.
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Powerful submersible pumps for draining and emptying, and for small-scale irrigation needs; they can be used with
clear water containing some particles in suspension up to a maximum of:
BOSS 31- 10mm BOSS 51- 10mm BOSS 101- 5mm
The temperature of the fluid being pumped must be no greater than 50ºC
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• the voltage and frequency specified on the pump’s nameplate coincide with those of the available power
supply;
• there are no signs of damage to the pump or its power cord;
• the electric connection is made in a dry place, protected against any risk of flooding;
• the electric system is complete with a residual current circuit-breaker (I ¨n30 mA) and an efficient
earthing connection;
• the length of the power cord is no more than 10 meters. Any extension cords must comply with the
requirements of the DIN VDE standard 0620.
1RWH: given the different provisions applicable to the safety of electric systems in different countries, make sure
that the pump system, as concerns its intended use, is in accordance with current legislation.
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Insert the plug on the power cord in a suitable power socket.
Automatic operation:
The floating switch starts and stops the pump automatically. The water level that prompts the starting and stopping
of the pump can be adjusted by changing the length of cable between the holder and the float.
The power cord and floating switch must never be used to carry or move the pump. Always use the pump’s handle.
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For safety reasons, the pump must not be used by anyone who has not read these instructions.
The appliance is not intendend for use by persons (including children) with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction con-
cerning use of the appliance by a person responsable for their safety. Children should be supervised to ensure
that they do not play with the appliance. (CEI EN 60335-1 : 08)