Grundfos Alldos DDI-209 User Manual - Industry Surplus Australia

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Fault Cause Remedy4. Dosing flow of thepump is inaccurate.5. Loud, piercingnoises.6. Liquid leaks out ofthe hole in theintermediate flangebetween the pumpand the dosinghead.a) Dosing head not fully deaerated. Repeat the deaeration.b) Degassing medium. Check the installation.c) Parts of the valves covered in dirt or Clean the valves.incrusted.d) Counter-pressure fluctuations. Install a pressure-loading valve and apulsation damper, if necessary.e) Suction lift fluctuations. Keep the suction level constant.f) Siphon effect (inlet pressure higherthan counter-pressure).Install a pressure-loading valve.g) Leaking or porous suction line ordischarge line.h) Parts in contact with the medium arenot resistant to it.i) Dosing diaphragm worn (incipienttears).j) Variation of the dosing medium(density, viscosity).a) At dosing capacities lower than 10 %of the maximum dosing capacity ofthe pump, resonance noises maytemporarily occur at the steppermotor.Replace the suction line or dischargeline.Replace with resistant materials.Replace the diaphragm. Also observethe maintenance instructions.Check the concentration. Use anagitator, if necessary.The resonance noise of the steppermotor does not indicate an error.a) A diaphragm leakage has occurred. Replace the diaphragm.NoteFor further error signals for the control unit, refer to the relevant section.12. DisposalThis product or parts of it must be disposed of in anenvironmentally sound way:1. Use appropriate waste collection services.2. If this is not possible, contact the nearestGrundfos or Grundfos Alldos company or serviceworkshop.68Subject to alterations.
Safety declarationPlease copy, fill in and sign this sheet and attach it to the pump returned for service.We hereby declare that this product is free from hazardous chemicals, biological and radioactivesubstances:Product type: ____________________________Model number: _________________________No media or water: _________________________A chemical solution, name: _____________________(see pump nameplate)Fault descriptionPlease make a circle around the damaged part.In the case of an electrical or functional fault, please mark the cabinet.Please give a short description of the fault:GrA3494_________________Date and signature_________________Company stamp69
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GRUNDFOS ALLDOS INSTRUCTIONSDDI 209
Page 3 and 4:
CONTENTSPage1. General information
Page 5 and 6:
1.3.3 Pump performancePerformance d
Page 7 and 8:
Maximum suction lift* (continuous o
Page 9 and 10:
Permissible media temperatureDosing
Page 11 and 12:
3. Transport and intermediate stora
Page 13 and 14:
4.3 General descriptionThe DDI 209
Page 15 and 16:
TM03 6214 4506Fig. 4 Functional pri
Page 17 and 18: 4.4 Dimensional sketchesedbc156113a
Page 19 and 20: 4.5 WeightPump type Dosing head mat
Page 21 and 22: 5.4 Installation examples2i7i9i10i6
Page 23 and 24: • In the case of long discharge l
Page 25 and 26: 6.1 Connecting the signal lines for
Page 27 and 28: 6.1.4 Remote on/off / contact input
Page 29 and 30: 7.1.2 Assisting suction for Plus 3
Page 31 and 32: 7.1.4 Assisting suction for systems
Page 33 and 34: 8.4 DeaerationFig. 32 Manual deaera
Page 35 and 36: Once the error has been corrected,
Page 37 and 38: The maximum displayed/adjustable fl
Page 39 and 40: Pump running (LED lights up green)S
Page 41 and 42: Setting code 111CalibrationDosing c
Page 43 and 44: 9.6.1 Calibrating pumps with Plus 3
Page 45 and 46: Pump not connected to power supplyM
Page 47 and 48: FE: e.g. "7" (only for Flow Monitor
Page 49 and 50: 9.9.1 Direct weighting of the curre
Page 51 and 52: MenuInfoStopStart0-20 mAAnalogL:0.0
Page 53 and 54: Note down the set current weighting
Page 55 and 56: "P:ON" in the display:1. Press the
Page 57 and 58: Once the error has been corrected,
Page 59 and 60: 9.11 Batch menu / batch modeIn batc
Page 61 and 62: MenuInfo MenuInfoOFF OFFMenu MenuIn
Page 63 and 64: 9.14 Hotkeys / info keysThe followi
Page 65 and 66: • Spring-loaded DN 4/DN 8 valve:-
Page 67: 11. Fault finding chartFault Cause
Page 71 and 72: KoreaGRUNDFOS Pumps Korea Ltd.6th F
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Grundfos Alldos DDI-209 User Manual - Industry Surplus Australia

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