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Diaphragm Pump N1200.12, N1400.1.2.12

Troubleshooting

Translation of Original operating and installation instruction, English, KNF 308930-308933 02/22

37

Fault cannot be rectified

If you are unable to identify any of the specified causes, send the pump to
KNF Customer Service (contact data: see www.knf.com).

1. Flush the pump with air for a few minutes (if necessary for safety rea-

sons: with inert gas) at atmospheric pressure to free the pump head of
dangerous or aggressive gases (see Chapter

8.2.1 Flushing the

2. Clean the pump (see Chapter

8.2.2 Cleaning the pump

3. Send the pump together with completed Health and Safety Clearance

and Decontamination Form to KNF, stating the nature of the trans-
ferred medium.

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Содержание N1200.12

Страница 1: ...GINAL OPERATING AND INSTALLATION INSTRUCTION ENGLISH KNF 308930 308933 02 22 OEM Notice Before operating the pump and accessories read and observe the operating and installation instructions as well a...

Страница 2: ...ion and connection 18 6 1 Installing the pump 18 6 2 Electrical connection 20 6 3 Pneumatic connection 21 6 4 Installing monitoring device and monitoring di aphragm innerspace 22 6 5 Connecting water...

Страница 3: ...ons before you commission the pump Give the operating and installation instructions only completely and un changed to the next owner Keep the operating and installation instructions within reach at al...

Страница 4: ...are specified here Danger levels Signal word Meaning Consequences if not observed DANGER warns of immediate danger Death or serious injury or serious damage will result WARNING warns of possible dan...

Страница 5: ...22 5 Explanations of pictograms Pictogram Meaning General warning symbol Warning of hot surface Warning of electrical voltage Warning of poisonous substances Warning of hand injuries through crushing...

Страница 6: ...Connection X Commissioning X X Operation X X Servicing X Troubleshooting X Disposal X Tab 4 Who does what matrix 2 2 Responsibility of the operator The pumps are produced in accordance with the genera...

Страница 7: ...hragm In such a case the pump must be brought to a standstill within 24 hours by the system owner and the working and safety diaphragm must be re placed 2 4 Operating conditions Only use the pump in p...

Страница 8: ...uation cannot arise as a result When pumping hazardous media observe the safety regulations for the handling of said media Handling of combustible media Note that the pump is not designed to be explos...

Страница 9: ...pumps with three phase motor 2 8 Customer service and repair Customer service and repairs The pump is maintenance free However KNF recommends periodic in spection of the pump for obvious changes in n...

Страница 10: ...atic values Parameter Value N1200SP 12E Value N1400 1 2SP 12E Max permissible operating pres sure bar rel Continuous operation 3 0 3 0 Ultimate vacuum mbar abs 150 150 Flow rate at atm pressure l min...

Страница 11: ...ains voltage fluctuations See operating instructions for motor Tab 9 For further voltage and frequency variants see type plate See type plate N1400 1 2 12 Parameter Value Value Value Value Voltage V 2...

Страница 12: ...ating instructions for motor Protection class of pump N1200 12 N1400 1 2 12 IP 00 IP 00 Tab 12 To reduce the surface temperature of the pump heads and to extend the service life of the diaphragm you c...

Страница 13: ...otor fan cover 6 Screw plug of the hole for pressure monitoring of the diaphragm innerspace 2x 7 Connection for water cool ing 1 2 3 4 6 7 5 Fig 1 Diaphragm pump N1200 12 1 Union nut 2 Connection for...

Страница 14: ...moved up and down by the eccentric 8 and the connecting rod 9 In the downwards stroke it aspirates the gas to be transferred via the inlet valve 2 In the upwards stroke the working di aphragm presses...

Страница 15: ...packaging Where appropriate wear suitable personal protective equipment e g safety shoes safety gloves Only for two headed pumps CAUTION Personal injury and or property damage due to in correct or imp...

Страница 16: ...stallation instruction English KNF 308930 308933 02 22 NOTICE Prior to commissioning make sure that the pump has reached the ambient temperature 3 Techni cal data Transport with carrying strap Fig 4 P...

Страница 17: ...308930 308933 02 22 17 2 Fasten the carrying strap between compressor housing and motor Fig 1 see Fig 5 3 Make certain that the lifting load cannot be transferred from the belt to the pump connection...

Страница 18: ...eration Depending on the medium being transferred breakage of the media contacting components can result in a dangerous mixture if the medium mixes with the air in the compressor housing or the surro...

Страница 19: ...de formable objects are positioned in the immediate proximity of the hot pump parts head motor Installation location Make sure that the installation location is dry and that the pump is pro tected fro...

Страница 20: ...e the pump connected if the power supply is disconnected When connecting to a power source observe the applicable standards regulations directives and technical standards When connecting to a power so...

Страница 21: ...sonal injury or property damage through ejected plugs If not removed the plugs on the pressure side of the pump can be ejected during operation by the resulting overpressure Remove the plugs during in...

Страница 22: ...noises can be reduced or dissipated by using a silencer see Chapter 10 2 Accessories 6 4 Installing monitoring device and monitoring diaphragm innerspace Fig 8 Sectional drawing of hole for pressure...

Страница 23: ...ating parameters Parameter Value Water temperature C 5 to 30 Water pressure bar gauge 1 0 Water flow rate l min 1 0 Tab 14 Recommended parameters for connecting the water cooling 1 Connect the water c...

Страница 24: ...ation and connection Diaphragm Pump N1200 12 N1400 1 2 12 24 Translation of Original operating and installation instruction English KNF 308930 308933 02 22 Fig 10 Mounting dimensions pump series N1400...

Страница 25: ...inlet outlet of the pump may result in injury to the eyes due to the present vacuum operating pressure Do not look into the pump inlet outlet during operation Only operate the pumps under the operatin...

Страница 26: ...e relief valve be tween the pressure side and suction side of the pump Further infor mation is available from KNF Customer Service contact data see www knf com WARNING Risk of dangerous gas mixtures d...

Страница 27: ...re or vacuum dur ing switch on This also applies during operation after a brief power failure If a pump starts up against pressure or vacuum the pump may block thereby activating the thermal switch or...

Страница 28: ...ng original parts Failure to use original parts will result in a loss of pump functionality and safety The validity of the CE conformity is rendered void if genuine parts are not used Use only genuine...

Страница 29: ...ous substances in the pump Depending on the medium being transferred caustic burns or poisoning is possible Wear protective equipment if necessary e g protective gloves goggles Clean the pump with sui...

Страница 30: ...ON Risk of burns from hot pump parts The pump head or motor may still be hot after op eration of the pump Allow the pump to cool after operation For two headed pumps Servicing work should generally be...

Страница 31: ...omparable product Tab 17 According to accessory list Chapter 10 2 Accessories 1 Hexagon socket head cap screws 2 Slotted cheese head screw 3 Valve stopper 4 Head plate 5 Reed valve 6 Hexagon socket he...

Страница 32: ...th the hot re tainer plate and countersunk screw or other heated pump parts Wear protective gloves Only loosen the retainer plate with face span ner wrench Only place the retainer plate and countersun...

Страница 33: ...ke certain that the bulge on the inner diameter of the safety diaphragm 13 lies in the groove of the housing 18 Mount the hexagon socket head cap screw 16 tightening torque 45 Nm 19 Insert the new O r...

Страница 34: ...ew O rings 7 in the intermediate plate 24 3 Place the head plate 4 on the intermediate plate 24 according to the felt tip pen marking 4 Screw in the hexagon socket head cap screws 1 and 6 one to two t...

Страница 35: ...lec trical mains Connect the pump to electrical power No voltage in the electrical mains Check the circuit breaker for the room and switch it on if necessary Pneumatic connections or lines are blocked...

Страница 36: ...lues Eliminate any throttling e g valve if necessary Use lines or connection parts with a larger cross section if necessary Leaks occur at pneumatic connec tions lines or pump head Eliminate the leaks...

Страница 37: ...F Customer Service contact data see www knf com 1 Flush the pump with air for a few minutes if necessary for safety rea sons with inert gas at atmospheric pressure to free the pump head of dangerous o...

Страница 38: ...ity N1200 12 Quantity N1400 1 2 12 Working diaphragm 10 1 2 Safety diaphragm 13 1 2 O ring 7 2 4 O ring 11 and 14 2 4 O ring 8 and 20 2 4 O ring 25 2 4 Reed valve 5 2 4 Valve stopper 3 2 4 Screw 2 2 4...

Страница 39: ...emove the pump 3 Clean the pump see Chapter 8 2 2 Cleaning the pump 4 Send the pump together with the completed Health and Safety Clear ance and Decontamination Form to KNF stating the nature of the t...

Страница 40: ...12 N1400 1 2 12 40 Translation of Original operating and installation instruction English KNF 308930 308933 02 22 12 Appendix For further information see also Betriebsanleitung Drehstrommotor pdf CE...

Страница 41: ...1 Operating manual for three phase motors IE2 IE3 in accordance with IEC 60034 30 1 Frame size HEFIE2 IE3 56L HEFIE2 IE3 450L Issue 2 0 07 21 All rights reserved...

Страница 42: ...2 EMOD Motoren GmbH Electric motor factory Zur Kuppe 1 36364 Bad Salzschlirf Germany Phone 49 6648 51 0 Fax 49 6648 51 143 info emod motoren de www emod motoren de...

Страница 43: ...Location 7 3 2 Mountings for motors 7 3 3 Condensation drain holes 7 3 4 Balancing 7 3 5 Insulation resistance check 7 3 6 Electrical connection 8 3 7 Motor protection 8 3 7 1 Thermistor 8 3 8 Commiss...

Страница 44: ...formation in the quote and order confirmation also applies 1 2 Explanation of the labels used Symbol Meaning Danger Indicates an immediate danger to life and health Results in death or serious injury...

Страница 45: ...oper conduct may result in injuries and property damage The applicable national local and system specific provisions and requirements must be observed and complied with Warning The proper and safe ope...

Страница 46: ...l protective equipment 2 Transportation and storage Warning Danger due to heavy loads severe injuries and property damage possible Products with a weight of 20 kg should only be moved and lifted with...

Страница 47: ...flat place thin sheets underneath for levelling if necessary For flange motors care must be taken to ensure the axial run out of the counterflange Axial run out errors may result in bearing damage and...

Страница 48: ...connection screw connections see page 11 3 7 Motor protection 3 7 1 Thermistor Connect the built in thermistor to the tripping device in accordance with the connection diagram in the terminal box cove...

Страница 49: ...al box is fixed properly If the cable screws are loose the strain relief if present should be loosened and then the cable screw should be tightened until the cable can no longer move Tightening the ca...

Страница 50: ...d be determined during disassembly and they should be marked for assembly 4 3 1 Joint sealing For motors with protection class IP56 or higher see rating plate the part joints between the motor housing...

Страница 51: ...me operating conditions H High temperature and long term lubricant 20 C to 180 C Low temperatures F Low temperature lubricant 50 C to 150 C Table 2 Tightening torques for terminal board connection scr...

Страница 52: ...Si Bearing cover BSa Centrifugal disc Fan thermoplastic Fan aluminium alloy Fan cover Protective roof IMV1 Terminal box frame Terminal box frame sealing Terminal board complete Terminal box cover Term...

Страница 53: ...13...

Страница 54: ...igned for use within certain voltage limits recast 2014 30 EU Directive 2014 30 EU of the European Parliament and the Council on the harmonisation of the laws of the Member States relating to electrom...

Страница 55: ...15 9 Documents provided Circuit diagram...

Страница 56: ...chrift address Zur Kuppe 1 D 36364 Bad Salzschlirf Tel 06648 51 0 Fax 06648 51 143 info emod motoren de www emod motoren de Emod Motoren GmbH Elektromotorenfabrik Anschlussschaltbild er Connection dia...

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Страница 60: ...KNF worldwide You can find our local KNF partners at www knf com...

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