Grundfos KJI K Series Instruction & Operation Manual Download | Manualshive

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r e v i s i o n

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K-Series
Instruction & Operation
Manual for KJI PUMPS

750-18, Jangnok-dong, Gwangsan-gu

                                                                                                                                                                    Gwangju, Korea
                                                                                                                                                                    Tel : 82-62-602-8400 (Rep.)
                                                                                                                                                                    Web : www. kjipumps.co.kr

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Summary of Contents for KJI K Series

Page 1: ...r e v i s i o n 0 0 K Series Instruction Operation Manual for KJI PUMPS 750 18 Jangnok dong Gwangsan gu Gwangju Korea Tel 82 62 602 8400 Rep Web www kjipumps co kr...

Page 2: ...4 2 Storage in the pit system not in use 5 Installation 5 1 Points for attention during installation 5 2 Cable joints 5 3 Wet pit ADC installation 5 4 Dry pit installation 5 5 Portable installation 5...

Page 3: ...tain this manual for future reference 2 GENERAL DATA 2 1 Information of the nameplate All pumps can be identified by means of the nameplate on the top cover or frame of the motor see fig 1 If the name...

Page 4: ...The pumps are also suitable for various raw water pumping duties where the conditions call for submersible pumps to be installed Different pump material specifications are available for use in corrosi...

Page 5: ...mandatory under local regulations Please check local requirements 2 5 Applications KJI Pumps are designed for the pumping of sewage and wastewater in a wide range of municipal and industrial applicati...

Page 6: ...eplate Install an additional level switch to ensure that the pump is stopped in case the stop level switch is not operating For a short period of time it is allowed to use the pump to pump down the wa...

Page 7: ...pt to lift the pump The lifting equipment rating must under no circumstances be exceeded Always lift the pump by the marked lifting points or by designated equipment Never lift the pump by the power s...

Page 8: ...trol panel when the pump is not in service If the pump is disconnected from the control panel when not in service the cable end should be tightly sealed 5 INSTALLATION 5 1 Points for attention during...

Page 9: ...mp must be earthed by connecting the earth green wire Verify the grounding continuity by checking that the grounding wire green labelled as E is electrically conductive with the bolt on the motor pain...

Page 10: ...er Paste each individual wire joint with glue and wind with a strip of natural rubber Then wind with waterproof vinyl Secondary Insulation layer Gather together all the individual wires into one cable...

Page 11: ...nched Place the access frame in position Align the access frame so that it is horizontal and then grout it in place Grout the anchor bolts in place Be careful when aligning and positioning the dischar...

Page 12: ...The pump is equipped with a cooling jacket In addition to the following items are required Plate and anchor bolts for anchoring the pump to a concrete base Base stand and suction connection are integr...

Page 13: ...watertight and will not be damaged if the installation site is flooded with water The pump is equipped with a cooling jacket The Pump stand will be manufactured in factory and the template will be fa...

Page 14: ...and ensure that the pump is not stressed by the pipe work Adjust the length of the motor cable by coiling it up on a relief fitting to ensure that the cable is not damaged during operation Fasten the...

Page 15: ...n the commercial invoice and purchase order Before start up Rotate the propeller by hand clockwise seen from the motor side When started the motor will kickback the pump in the opposite direction of t...

Page 16: ...cautions After installing the control panel and pump connect the power supply and carry out the following procedure 6 2 1 Check the input voltage with a Multi Tester Ensure it complies with the volta...

Page 17: ...k the system and provide the details listed below to KJI See fig 12 The current and voltage during operation Nature and viscosity of the liquid Piping layout and configuration H1 H2 H3 H4 Number and t...

Page 18: ...a phase symbol as shown below The measured resistances are interdependent on each of the phases being measures and only one reading should be 0 Meg Ohm see fig 14 below If not avoid motor damage do n...

Page 19: ...20 Kilo Ohm Do not use Mega Tester for this test 6 3 2 3 Bearing Temperature Sensor There are two wires both red and the identification marking is BS Bearing Sensor The resistance measured with a Mult...

Page 20: ...OL TYPE OUTPUT PROCESS WIRES Motor Current Control Under 3 7 kW When overload current flows motor protector stops pump Not exposed Control Panel Thermal Control Over 5 5 kW If motor temperature rises...

Page 21: ...al Prepared by Rev No 0 Date 11 Jan 11 Page 21 25 6 6 2 Star Delta 6 7 Level switch general wiring 6 7 1 Level switch general wiring for general drainage purposes to operate one pump automatically fig...

Page 22: ...7 1 1 Current and Voltage Check the pump current and voltage If the ammeter reading exceeds the rated value or is far lower than rated value there is a problem with the pump Voltage should be stable w...

Page 23: ...ump Remove the bolts nuts of the discharge piping and lift the pump out of the well with the hoist 7 2 2 Inspection Procedure 7 2 2 1 Mechanical Seal Check the resistance of mechanical seal sensor wit...

Page 24: ...ve clearance Replace or repair as necessary Recommended clearance is 0 5mm to 0 9mm 7 3 OVERHAUL Pumps requiring overhaul should be repaired by an authorized KJI service workshop Procedure of the gene...

Page 25: ...starts but stops after a short period of operation 1 Prolonged dry operation has activated motor protection 2 High liquid temperature has activated motor protector 1 Adjust raise the pump stop water...

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