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KNF FEM 1.02, Operating And Installation Instructions

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KNF FEM 1.02 Operating And Installation Instructions Download Page 28

Stepping motor diaphragm metering pump FEM 1.02 / FEM 1.09 

Return of the pump 

KNF Flodos AG BA_FEM1-02_1-09_EN_07_157639.docx 
Translation of Original Operating and Installation Instructions 

28 

11.  Return of the pump 

 

KNF undertakes to repair the pump only under the condition 
that the customer provides a certificate of the pumped medium 
and cleaning of the pump. For this purpose, please follow the 
instructions on 

www.knf.com/repairs

. 

Please contact your KNF sales representative directly if you 
need additional support for your return service. 

 

 

 

 

Summary of Contents for FEM 1.02

Page 1: ...specific designation and does not have any technical rele vance KNF Flodos AG Wassermatte 2 6210 Sursee Switzerland Tel 41 0 41 925 00 25 Fax 41 0 41 925 00 35 www knf com info flodos knf com Content...

Page 2: ...icates a potential danger It also indicates the possible consequences of failure to observe the warning The signal word e g Warn ing indicates the level of danger Here you will see actions for avoidin...

Page 3: ...ge see Chapter 4 The pumped medium should not contain particles as these can prevent the pump from working correctly If this cannot be ensured a 50 m filter with a sufficiently large filter area must...

Page 4: ...rsonnel have read and understood the Operating and Installation Instructions and in particular the Safety chapter Observe the accident prevention and safety regulations when performing any work on the...

Page 5: ...e essential requirements of Annex I of Directive 2006 42 EC general principles are applied and observed The following harmonised standards are met When used in conjunction with the 2 phase stepping mo...

Page 6: ...he pump type TT stands for Assembly Material1 Pump head PVDF Valve plate FFKM Diaphragm PTFE Tab 4 1 according to DIN ISO 1629 and 1043 1 The pump head comprises a connecting plate and an intermediate...

Page 7: ...02 FEM 1 09 Motor voltage SM 2 Nominal voltage V 1 5 52 Current A Phase rms 1 0 6 Inductivity mH phase 14 6 Resistance Ohms phase 9 2 Power consumption W 15 Maximum speed rpm 200 Step angle 1 8 Conne...

Page 8: ...1 2 of setting value Under constant environmental conditions the pump achieves a reproducibility of less than 1 Greater inaccuracies may occur for fluids with a viscosity of 150 cSt or with a tendency...

Page 9: ...5 Stepping motor plug 6 Overpressure relief valve 27 Fig 2 Stepping motor diaphragm metering pump FEM 1 02 27 1 Outlet valve 2 Inlet valve 3 Working chamber 4 Diaphragm 5 Eccentric 6 Connecting rod 7...

Page 10: ...he position of the diaphragms This is needed during partial stroke metering or with customer specific operating profiles Please note The FEM 55 is compatible with KNF controllers FE Z4 and FE Z5 The F...

Page 11: ...tion Only install the pumps under the operating parameters and conditions de scribed in Chapter 4 Technical data Observe the safety precautions see Chapter 3 6 1 Installation Before installation store...

Page 12: ...allation location is dry and the pump is protected against water in the form of rain spray splashes and drips Protect the pump against dust Protect the pump against vibration and impact Generally spea...

Page 13: ...standards must be observed The controller must only be operated in accordance with the ESD Electrostatic Discharge safety standards Connecting the pump Make sure that the power supply data match the d...

Page 14: ...ly resistant to the liquids being pumped 6 3 1 Connecting the pump Arrows on the pump head indicate the flow direction FEM 1 02 Screw in connection fitting with internal thread 1 Hose 2 Hose connector...

Page 15: ...h clamp ring FEM 1 8 1 4 hose connection fitting with clamp ring UFEM Remove protective plugs from connections Using a sharp knife cut the suction and pressure lines FEM hose ID 4 mm OD 6 mm UFEM hose...

Page 16: ...otor heats up even when at a stand still if the motor is actuated Avoid contact with the pump drive Avoid contact with flammable materials WARNING Danger of bursting of the fluid system due to overpre...

Page 17: ...sive media the pump should be flushed thoroughly prior to switch off see Chapter 8 2 1 in or der to prolong the life of the membrane Restore the system to normal atmospheric pressure release hydraulic...

Page 18: ...Actuation and control must be ensured using a suitable stepping motor controller see chapters 5 and 6 Accessories Stepping motor controller FE Z4 standard controller Stepping motor partial stroke con...

Page 19: ...mp head If the pressure exceeds the variable limit range min 0 5 to max 6 5 barg the valve opens and the liquid circulates from the pressure side to the suction side via an internal bypass system This...

Page 20: ...loves Flush the pump with a neutral liquid and pump empty 8 2 1 Flushing the pump If transferring aggressive media KNF recommends flushing the pump with air under atmospheric conditions for several mi...

Page 21: ...ounting the valves and seals Mount O rings 8 and valve disk 7 on valve seat 5 Insert seal 6 in connecting plate 3 Insert valve seats with valve disks 7 and O rings 8 into connecting plate 3 slight pre...

Page 22: ...ls Remove overflow diaphragms 27 10 sliding disk 11 support 12 spacer 13 and spring 14 Remove valve seats 5 Remove seals 6 valve disks 7 and O rings 8 Cleaning the parts Clean the diaphragms 9 the ove...

Page 23: ...screws is 1 Nm Head screws that have been undone before should be carefully screwed in by hand so that the screws engage in the existing threads WARNING It must be ensured that the overflow pressure...

Page 24: ...are worn Replace diaphragm and valve disk see Chapter 8 3 Tab 15 Pump is not priming Cause Fault remedy Suction side of pump not con nected Connect the suction side of the pump Liquid in the priming...

Page 25: ...suction side filter if required see Chapter 8 2 Viscosity of the transferred medium is too high Contact KNF Incorrect interchange of pres sure and suction line connec tions Remove pressure and suctio...

Page 26: ...TT 157887 Spare parts kit FEM1 09 KP 27 157888 Spare parts kit FEM1 09 KT 27 157889 Spare parts kit FEM1 09 TT 27 157890 Tab 19 Accessories Accessories Order no FEM 1 02 FEM 1 09 UFEM 1 09 Stepping m...

Page 27: ...P for hose ID 6 4 mm 1 4 068272 x UNF adapter PVDF for hose ID 2 25 mm 3 32 151339 x UNF adapter PVDF for hose ID 3 2 mm 1 8 151763 x UNF adapter PVDF with female Luer 150988 x UNF flangeless connecti...

Page 28: ...ation Instructions 28 11 Return of the pump KNF undertakes to repair the pump only under the condition that the customer provides a certificate of the pumped medium and cleaning of the pump For this p...

Page 29: ...Stepping motor diaphragm metering pump FEM 1 02 FEM 1 09 For your notes KNF Flodos AG BA_FEM1 02_1 09_EN_07_157639 docx Translation of Original Operating and Installation Instructions 29...

Page 30: ...KNF worldwide Please find your local KNF partners at www knf com...

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