Grundfos Alldos DDI-209 User Manual - Industry Surplus Australia

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CautionAfter initial start-up and after each timethe diaphragm is changed, tighten thedosing head screws.After approximately 6-10 operatinghours or two days, cross-tighten thedosing head screws using a torquewrench.Maximum torque:DDI 0.4 - DDI 5.5: 2.1 Nm.DDI 13.8 - DDI 20: 2.5 Nm.3q2q1q4q5qQ2VTM03 6269 4506Fig. 72 Replacing diaphragm without Plus 3system0242Q6810ml1q2qD3eTM03 6270 4506Fig. 73 Replacing diaphragm with Plus 3 system66
11. Fault finding chartFault Cause Remedy1. Dosing pump doesnot run.2. Dosing pump doesnot suck in.3. Dosing pump doesnot dose.a) Not connected to the mains. Connect the power supply cable.b) Incorrect mains voltage. Switch off the pump. Check voltage andmotor. If the motor is faulty, return thepump for repair.c) Electrical failure. Return the pump for repair.a) Leaking suction line. Replace or seal the suction line.b) Cross-section of the suction line toosmall or suction line too long.Check with Grundfos Alldosspecification.c) Clogged suction line. Rinse or replace the suction line.d) Foot valve covered by sediment. Suspend the suction line from a higherposition.e) Buckled suction line. Install the suction line correctly. Checkfor damage.f) Crystalline deposits in the valves. Clean the valves.g) Diaphragm broken or diaphragm Replace the diaphragm.tappet torn out.h) Empty dosing tank. Fill the dosing tank.a) Air in the suction line and dosing Fill the dosing head and suction line.head.b) Viscosity or density of medium too Check the installation.high.c) Crystalline deposits in the valves. Clean the valves.d) Valves not correctly assembled. Assemble the inner valve parts in theright order and check or possibly correctthe flow direction.e) Injection unit blocked. Check and possibly correct the flowdirection, or remove the obstruction.f) Incorrect installation of lines andperipheral equipment.Check the lines for free passage andcorrect installation.g) Empty dosing tank. Fill the dosing tank.h) Sealing elements not chemically Replace sealing elements.resistant.67
Page 1 and 2:
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: • Spring-loaded DN 4/DN 8 valve:-
Page 69 and 70: Safety declarationPlease copy, fill
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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