DP DRK Series Installation And Operating Instructions Manual Download Page 17

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Too little or no pump
capacity

Blockage or an air bubble
in the pump

Check the delivery pipe
and the pump

•

Delivery pipe (block-
age)

•

Globe valve (half or
fully closed)

•

Inclusion of air

•

Blockage (impeller)

•

Check level switching

Incorrect direction of rota-
tion

Reverse the direction of
rotation

Direction of rotation

Pump failure

Check the pump

•

Coupling (leaking)

•

Impeller (has come
loose or is damaged)

•

Impeller or pump
housing (blockage)

•

Bearings damaged

Power supply is unstable

Check the power supply

•

Switch box

•

Fuses

•

Undervoltage

High water alarm

Too little pump capacity

Check the delivery pipe

•

Delivery pipe (block-
age)

•

Globe valve (half or
fully closed)

•

Inclusion of air

Pump failure

Check the pump

•

Impeller or pump
housing (blockage)

•

Impeller (has come
loose or is damaged)

•

Bearings damaged

Current failure

Check the power supply

•

Fuses

•

Undervoltage

Motor failures

Check the motor

•

Junction box

•

Insulation test

Problem

Possible cause

Possible solution

Checkpoints

Summary of Contents for DRK Series

Page 1: ...Submersible sewage pumps Installation and operating instructions series DRV DRK DRS DRSK ...

Page 2: ...on 3 1 General 7 3 2 Intended use 7 3 3 Working range 7 3 4 Operation 8 3 5 Operation of the automatic level regulation A series 8 4 Transportation 4 1 Transport 10 4 2 Storage 10 5 Installation 5 1 Mechanical installation 11 5 2 Electrical installation 11 5 3 Commissioning 12 6 Operation 6 1 Operation 13 7 Maintenance 7 1 Maintenance 14 7 2 Taking out of operation for a long interval 15 8 Failure...

Page 3: ...together with the logbook in fixed place near the product which can be accessed by all personnel 1 2 Icons and symbols In this manual and in all accompanying documentation the following icons and symbols are used WARNING Danger of electric tension Safety sign according to IEC 417 5036 WARNING Operations or procedures if carried out without caution may cause personal injury or damage to the product...

Page 4: ...eded under any circumstances The warranty becomes invalid if one or more of the points below occur The buyer makes modifications himself The buyer carries out repairs himself or has these carried out by a third party The product has been handled or maintained improperly The product has non original DP Pumps spare parts fitted DP Pumps remedies defects under warranty if the points below are observe...

Page 5: ...elines ATTENTION Not only must the general safety instructions laid down in this chapter on Safety be complied with but also the safety instructions outlined under specific headings 2 2 Users All personnel involved in the operation maintenance inspection and installation of the product must be fully qualified to carry out the work involved Personnel responsibilities competence and supervision must...

Page 6: ...ING Handle a pump with dangerous liquids with the utmost care Avoid danger for persons or the environment when repairing leakages draining liquids and venting It is strongly recommended to place a relief barge under the pump WARNING Immediately following completion of the work all safety relevant and protective devices must be re installed and or re activated WARNING Please observe all instruction...

Page 7: ...ich the technical product is intended according to the specifications of the manufacturer The use of the product has been described in the sales brochure and in the user manual Always observe the instructions given in the user manual When in doubt the product must be used as becomes evident from its construction version and function 3 3 Working range The working range of the submersible sewage pum...

Page 8: ...ching level are saved in the system memory The pump will start at level S2 or S3 during the following 7 switching cycles The choice is random The off switching moment will be calculated based on the number of saved starts between the levels S3 S2 and S1 and the lowest off switching level When the pump has completed 7 switching cycles based on the previous calculation the time measurements and the ...

Page 9: ...hen sewage continues to flow into the pump sump the time is saved that is required to reach level S2 and level S1 The pumping time will be corrected based on this The same correction method can be used for volume detection to compensate in changes in the required pumping time when a partner pump is available When one pump cannot supply sufficient pumping capacity to drain away the incoming wastewa...

Page 10: ...osition as indicated on the pallet or packaging 2 Make sure the pump is stable 3 Observe the instructions on the packaging if present 4 2 Storage 4 2 1 Storage preparation 1 Spray clean the pump and the impeller in the pump housing well using clean water 2 Store the pump in a dry and frost proof location 4 2 2 Inspection during storage 1 Turn the impeller every three months This will prevent stick...

Page 11: ...pipe to prevent liquid flowing back The swing check valve must be installed at least 2 m from the pump for the A version pump Assemble if possible a globe valve on the delivery side Install the highest point of the delivery pipe above the drain pipes of the street ground level to make sure that a drain return flow is not possible 5 2 Electrical installation WARNING Only authorised personnel are al...

Page 12: ... liquid levels when commissioning Fill the drain up to the on switching level of the pump Use the liquid to be pumped or clean water 1 Check whether the pump switches on automatically 2 Check whether the pump switches off automatically when reaching the off switching level 3 Check whether liquid is not returned from the delivery pipe in the drain ATTENTION Drill a small hole for venting at the hig...

Page 13: ... float switch xxx WA pump automatically on off through the inter nal level regulating system xxx S MANUAL switch on the pump manually 0 pump off Auto pump automatically on off through the float switch xxx pump with free cable end xxx pump with junction box will switch on off automatically through the internal level regu lating system ...

Page 14: ...e a year We recommend carrying out an overhaul every 5 years The maintenance interval should be adjusted when operational conditions are heavier The bearings of the pump have been lubricated for life and therefore do not require maintenance 7 1 2 Oil chamber check ATTENTION All pumps have a closed maintenance free system Only the pumps of the DRK type or in the HT or E version have a checking opti...

Page 15: ...suction cover until the flange is on the impeller everywhere 6 Tighten the adjusting screws until the impeller is just turning freely gap 0 3mm 0 1mm 7 Tighten the fastening bolts tightly ATTENTION Again check whether the impeller can turn freely 7 2 Taking out of operation for a long interval Turn the impeller every three months This will prevent seals from sticking Protect the pump against freez...

Page 16: ...est Phase resistance The pump does not stop No stop signal Check level switching Level switching Switch box Air in the pump housing Temporarily remove the pump from the coupling Pump switching level The pump starts and stops quickly after each other Incorrect start stop signal Check the level switches Level switching Adjusting switches Power supply is unstable Check the power supply Circuit Underv...

Page 17: ...loose or is damaged Impeller or pump housing blockage Bearings damaged Power supply is unstable Check the power supply Switch box Fuses Undervoltage High water alarm Too little pump capacity Check the delivery pipe Delivery pipe block age Globe valve half or fully closed Inclusion of air Pump failure Check the pump Impeller or pump housing blockage Impeller has come loose or is damaged Bearings da...

Page 18: ...4 1 160 50 43 22 DRV611 2A 120 1 1 3 3 400 2850 naw 4 1 65 50 43 22 DRV611 2W S 120 1 1 8 2 1 230 2850 clixon 3 1 160 50 43 22 DRV611 2WA 120 1 1 8 2 1 230 2850 clixon 3 1 65 50 43 22 DRV611 2W S 130 1 1 8 2 1 230 2850 clixon 3 1 160 50 41 22 DRV611 2WA 130 1 1 8 2 1 230 2850 clixon 3 1 65 50 41 22 DRV615 2 130 1 5 3 5 3 400 2850 naw 4 1 160 50 41 22 DRV615 2A 130 1 5 3 5 3 400 2850 naw 4 1 65 50 ...

Page 19: ...etal 7 1 5 277 100 100 66 DRV2737 4 195 3 7 8 4 3 400 1450 bi metal 7 1 5 277 100 100 67 DRK2385 2 182 8 5 16 7 400 692 2905 bi metal 12 1 5 320 80 42 151 DRK2385 2 196 8 5 16 7 400 692 2905 bi metal 12 1 5 320 80 42 151 DRK4155 4 202 220 5 5 12 1 400 692 1430 bi metal 12 1 5 380 100 90 141 DRK4175 4 245 7 5 15 8 400 692 1440 bi metal 12 1 5 380 100 90 155 DRK87118 4 254 11 8 23 5 400 692 1465 bi ...

Page 20: ...642 2 190 4 2 8 8 3 400 2850 bi metal 7 1 5 203 50 6 54 DRSK 2119 4 154 1 9 5 9 3 400 1450 bi metal 7 1 5 602 80 65 74 DRSK 2119 4 168 1 9 5 9 3 400 1450 bi metal 7 1 5 602 80 65 74 DRSK 2119 4 180 1 9 5 9 3 400 1450 bi metal 7 1 5 602 80 65 74 DRSK 2119 4 190 1 9 5 9 3 400 1450 bi metal 7 1 5 602 80 65 75 DRSK 3126 4 195 2 6 6 5 3 400 1450 bi metal 7 1 5 628 100 76 79 DRSK 3137 4 209 3 7 8 4 3 40...

Page 21: ... 12100 1 EN 61000 6 1 3 EN 61000 3 2 EN 1010 and EN IEC 60204 1 according to the stipulations of Machinery Directive 98 37 EC EMC Directive 89 336 EEC Low Voltage Directive 73 23 EEC If the pump is used as a standalone installation it is subject to this declaration of conformity If the pump is built in an appliance or is assembled together with other equipment in certain installations then it shou...

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Page 24: ...dp pumps dp pumps P O Box 28 2400 AA Alphen aan den Rijn The Netherlands t 31 172 48 83 25 f 31 172 46 89 30 dp dp pumps com www dp pumps com 03 2007 BE00000305 ...

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