Pratika User Manual
Contents
1. ARTING THE UNIT See Fig 1 WARNING Use the electropump for the type of uses listed on the plate WARNING Do not let electropump run dry the hydraulic parts and seal could be damaged Do not run the electropump with the interception 8 WARNING valve on delivery completely closed Before starting the electropump connect the pipe to the 1 1 4 delivery inlet using the provided plastic fitting or other commercial pipe fittings Connections must be made so as to avoid losses Start the pump by inserting the plug in an appropriate outlet CH 6 MAINTENANCE AND TROUBLE SHOOTING DANGER Before doing any operation make sure machine is Electric shock risk disconnected from electric power supply DANGER Power cord must be replaced by manufacturer or Electric shock risk by Customer service using special tools Under normal conditions electropumps in the PRATIKA series do not need any maintenance Occasionally it may be necessary to clean the filter or other hydraulic parts If the electropump is not going to be used for long periods of time e g an entire season it should be emptied completely rinsed with clean water and put in a dry place Cleaning the filter if the water being drawn is not perfectly clean it may be necessary to clean the pump using a steel brush to scrap accumulated dirt off the outer surface afterwards without dismantling the pump rinse the filter with clean water If this is not sufficient then clean2. CONTENTS Ch 1 Features Ch 5 Starting the unit Ch 2 Limitations Ch 6 Maintenance and trouble shooting Ch 3 Installation Ch 4 Electrical connection Warnings for the safety of individuals and things Please pay careful attention to the following signs and indications DANGER Warns that the failure to follow directions may Electric shock risk cause electric shock Warns that failure to follow directions could cau A N DANGER se serious risk to persons or things Warns that failure to follow directions could WARNING damage the pump or installation WARNING Before installing this pump read this manual carefully Any damage caused by failure to observe any directions in this manual will not be covered by warranty CH 1 FEATURES PRATIKA electropumps are suitable for pumping clear water that contains no dissolved gases The electropumps in this series are multiphase centrifugal type and submergible The parts that come into contact with the water are all suitable for use with water for cooking Each electropump is carefully tested and packed Please ensure that the electropump has not been damaged during transport if this occurs please phone the dealer within 8 days from purchase date CH 2 LIMITATIONS Electropump cannot be used to move 2 WARNING inflammable or dangerous liquids WARNING Ensure electropump never runs dry MAX TEMPERATURE OF LIQUID 0 0 cccceeeeeeeeeeeteeeeeeeee 40 C c
3. lectropump and clean it TION DEVICES TRIPS 3 The liquid is too thick 3 Change electropump type If the problem has not been eliminated after carrying out the above operations contact the closest service centre
4. nd fasten it to pump s handlebar The automatic PRATIKA model is equipped with a pre set float switch See fig 1 to change the adjustement increase or decrease the free piece of float switch cable by making it slide through the proper seat on the handlebar There can be particular requirements for pumps used in or next to pools garden ponds or similar places CH 4 ELECTRICAL CONNECTION WARNING Ensure tension and frequency of electropump read plate and power supply are same Installer must make sure that electric current DANGER network has ground wire conforming to current Electric shock risk laws DANGER Make sure that electric current network is Electric shock risk provided with a high sensitivity circuit breaker A 30 mA DIN VDE 01007739 Single phase version Single phase pumps are equipped with plugs with double ground contact at top end of power supply cord in this case grounding is done when plugging in Overload protection Single phase PRATIKA range pumps have a built in thermal overload with automatic reset Further protection devices are not required CONNECTION DIAGRAMS A Single phase pump without float switch See diagrams Fig 2 B Single phase pump with float switch See Fig 2 1 START green 5 POWER SUPPLY CORD 9 WHITE 2 RUN red 6 GROMMET 10 LIGHT BLUE lt LINE gt 3 COMMON black 7 PLUG 11 BROWN lt LINE gt 4 CAPACITOR 8 YELLOW GREEN 12 FLOAT SWITCH CH 5 ST
5. ontinuous operation MAX ON OFF CYCLES HOUB cc cccccceeseeeeesseeseseeeeees 30 equally spaced MAX IMMERSION DEPTH rsin ser 10m MAXIMUM DIMENSION OF SOLID OBJECTS PUMPED 1 5 mm The linear measures in chart are in millimetres Please refer to fig 1 MIN PRIMING MIN DRAINAGE START LEVEL STOP LEVEL WEIGHT TYPE LEVEL LEVEL Kg emma __ Gon ony coe PRATIKA 60 mm 50 mm 490 mm 260 mm If the pump is equipped with an H05 power supply cable it is not suitable for use with pools ponds or similar If the pump is equipped with an H07 power supply cable it is only suitable for use with pools if no one is in the water CH 3 INSTALLATION DANGER When installing please ensure pump is disconnected from electrical supply Electric shock risk WARNING Make sure that float switch turns off pump when at min level of liquid WARNING Make sure no obstacles are in the way of float switch when it is in motion Please use handlebar to move or lift pump Please use a non return valve in case pump is connected to fixed installation with rigid piping this will avoid liquid circulating when pump has been turned off it is advisable to install a quickly disconnecting connection on the delivery pipe to make it easier to disconnect the pump for cleaning and maintenance Please use flexible pipe connected to the pump by means of plastic fittings in case of temporary use of pump Use a rope to immerse pump a
6. the hydraulic parts Cleaning the hydraulic parts unscrew nuts holding the filter in sequence remove the filter and suction flange holding the impeller still unscrew the locking nuts remove the impellers and diffusors one at a time by loosening the tie rods it is possible to disassemble the delivery flange to gain access to the mechanical seal carefully wash the parts to assemble follow steps in reverse order THE ELECTROPUMP DOES 1 No power 1 Check if there is power and if the plug is NOT PUMP WATER THE plugged in properly MOTOR DOES NOT RUN 2 Motor protection tripped 2 Verify the cause and reset the switch If the thermal has tripped wait until the system has cooled 3 Defective condenser 3 Replace the condenser 4 Shaft blocked 4 Verify the cause and unblock the electropump THE MOTOR RUNS BUT THE 1 It is taking on air Make sure that the joints are airtight ELECTROPUMP DOES NOT Check that the level of liquid has not PUMP LIQUID dropped below the minimum priming level 2 Wrong rotation direction Reset the rotation direction 3 Suction grate blocked Clean suction grate 4 Non return valve blocked Clean or replace valve THE ELECTROPUMP STOPS 1 Power supply does not conform to 1 Check the voltage on the power supply AFTER RUNNING FOR Aj data on plate conductor cables SHORT PERIOD OF TIME SHEA A OTOR oe 2 A solid object is blocking the impellers 2 Dismantle the e
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