KNF LABOPORT N 810 FT.18 Translation Of Original Operating Instructions Download Page 20 | Manualshive

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Design and Function

N 810/820/840.18 EX

20

Translation of original Operating Instructions, English, KNF 309515-309518 06/17

6.2. Gas ballast (only N 8_0.3FT.18G)

DANGER

Personal injury caused by poisoning or explosion

and damage to the pump.



Make sure that no reactive or explosive mixtures

will be produced when gas ballast valve is open.



If necessary: close gas ballast valve.



Please contact KNF Service if you require an

inert gas.

When pumping vaporous media, opening the gas ballast valve
can minimize the formation of condensation in the pump
heads.

Opening the gas ballast valve deteriorates ultimate vacuum
performance.

Fig. 5: Gas ballast operating knob

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Summary of Contents for LABOPORT N 810 FT.18

Page 1: ...ad the operating instructions on the web site www knf com downloads and pay attention to the safety precautions KNF 309515 309518 12 16 LAB N 810 820 840 18 EX TRANSLATION OF ORIGINAL OPERATING INSTRUCTIONS ENGLISH LABOPORT CHEMICALLY RESISTANT LABORATORY PUMPS ...

Page 2: ... mounting and connection 21 8 Operation 23 8 1 Pump 23 8 1 1 Preparing for Start up 23 8 1 2 Starting 23 8 2 Switching Pump on and off 25 9 Servicing 26 9 1 Servicing Schedule 26 9 2 Cleaning 26 9 2 1 Flushing Pump 26 9 2 2 Cleaning Pump 26 9 3 Changing Diaphragm and Valve Plates Sealings 27 10 Troubleshooting 31 10 1 Pump without Vacuum Controller 31 10 2 Fault cannot be rectified 32 11 Ordering ...

Page 3: ...ning is located here Possible consequences of a failure to observe the warning are specified here The signal word e g Warning indicates the danger level Measures for avoiding the danger and its conse quences are specified here Danger levels Signal word Meaning Consequences if not observed DANGER warns of immedi ate danger Death or serious injuries and or serious damage are the consequence WARNING ...

Page 4: ...ific application case Ensure that the system is not subject to any risks of explosion also in extreme operating situations temperature pressure or in case of malfunctions Only transfer gases which remain stable under the pressures and temperatures occurring in the pump Laboratory equipment or additional components connected to a pump have to be suitable for use with the pneumatic capabilities of t...

Page 5: ...ature class These pumps have the following explosion protection marking Marking Description Symbol for explosion proof pumps II Device group see Section 2 4 1 2 G Device category see Section 2 4 2 IIB H2 Explosion groups see Section 2 4 T3 Temperature class see Section 2 4 4 X internal atmosphere only Special conditions see Section 2 4 5 Tab 2 The explosion protection marking can also be found at ...

Page 6: ...ous explosive atmospheres gases and vapors occur constantly over long periods or frequently 1 D Devices for areas in which it is expected that dangerous explosive atmospheres dusts occur constantly over long periods or frequent ly 2 G Devices for areas in which it is expected that dangerous explosive atmospheres gases and vapors occur occasionally 2 D Devices for areas in which it is expected that...

Page 7: ...ene i Amyl acetate n Butane n Butanol Cyclohexanone 1 2 dichloroethane Acetic anhydride Gasoline Diesel fuel Jet fuel Fuel oils n Hexane Acetaldehyde IIB Town gas Ethylene Ethyl alcohol Hydrogen sulfide Diethyl ether IIC Hydrogen Acetylene Carbon disulfide Tab 4 The classification of gases and vapors into explosion groups and temperature classes applies to the transferred medium The pump may be us...

Page 8: ...fied as temperature class Temperature class Max surface tem perature C Ignition temperature C T1 450 450 T2 300 300 T3 200 200 T4 135 135 T5 100 100 T6 85 85 Tab 5 2 4 5 Additional conditions Marking Description X internal at mosphere only Special additional conditions Tab 6 Additional conditions for the diaphragm pump The pump must not be installed outdoors It may be started up only with suitable...

Page 9: ...revention and protection directive The marking applies only to the working chamber of the pump area in contact with medium Fig 1 EX marking of the pumps Vacuum pumps in category 2G are designed to transfer gases vapors or aerosols where it is expected that an explosive atmos phere will form occasionally The devices must be installed so that they cannot suffer external mechanical damage The pumps m...

Page 10: ... power source When transferring dangerous media observe the safety regula tions when handling these media Remember that the pump is suitable only for transferring explosive atmospheres and may not be installed in potentially explosive areas Make sure the temperature of the medium is always sufficiently below the ignition temperature of the medium to avoid ignition or explosion This also applies fo...

Page 11: ...e requirements of the following harmonised standards are fulfilled DIN EN 61010 1 DIN EN 61326 1 class A DIN EN 50581 The part of the pump that comes into contact with medium is fulfilled by the following harmonized standards DIN EN 13463 1 DIN EN 1127 1 The pumps correspond to IEC 664 the overvoltage category II the pollution degree 2 Only have repairs to the pump carried out by the KNF Customer ...

Page 12: ... vacuum mbar abs 100 Delivery rate at atm pressure l min max 10 Pneumatic connection Hose connection mm ID 10 Ambient and media temperature Permissible ambient temperature 5 C to 40 C Permissible media tempera ture 5 C to 40 C Other parameters Weight kg 5 9 Dimensions L x H x W mm 256 x 187 x 146 Maximum permissible ambient relative humidity 80 for temperatures up to 31 C decreasing linearly to 50...

Page 13: ... C to 40 C Permissible media tempera ture 5 C to 40 C Other parameters Weight kg 7 1 Dimensions L x H x W mm 268 x 207 x 159 Maximum permissible ambient relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 at 40 C Maximum altitude of site m above sea level 2000 Electrical Data Voltage V 100 115 230 Frequency Hz 50 60 60 50 Maximum current consumption A 2 2 1 9 0 9 Power consu...

Page 14: ... C Permissible media tempera ture 5 C to 40 C Other parameters Weight kg 10 3 Dimensions L x H x W mm 297x 226 x 171 Maximum permissible ambient relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 at 40 C Maximum altitude of site m above sea level 2000 Electrical Data Voltage V 100 115 230 Frequency Hz 50 60 60 50 Maximum current consump tion A 4 4 3 2 1 5 Power consumption ...

Page 15: ...sible ambient temperature 5 C to 40 C Permissible media tempera ture 5 C to 40 C Other parameters Weight kg 6 9 Dimensions L x H x W mm 281 x 187 x140 Maximum permissible ambient relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 at 40 C Maximum altitude of site m above sea level 2000 Electrical Data Voltage V 100 115 230 Frequency Hz 50 60 60 50 Maximum current consump tio...

Page 16: ...ible ambient temperature 5 C to 40 C Permissible media tempera ture 5 C to 40 C Other parameters Weight kg 9 3 Dimensions L x H x W mm 312 x 207 x 144 Maximum permissible ambient relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 at 40 C Maximum altitude of site m above sea level 2000 Electrical Data Voltage V 100 115 230 Frequency Hz 50 60 60 50 Maximum current consump tio...

Page 17: ...ble ambient temperature 5 C to 40 C Permissible media tempera ture 5 C to 40 C Other parameters Weight kg 12 6 Dimensions L x H x W mm 341 x 226 x 166 Maximum permissible ambient relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 at 40 C Maximum altitude of site m above sea level 2000 Electrical Data Voltage V 100 115 230 Frequency Hz 50 60 60 50 Maximum current consump tio...

Page 18: ... C to 40 C Permissible media tempera ture 5 C to 40 C Other parameters Weight kg 12 6 Dimensions L x H x W mm 341 x 226 x 160 Maximum permissible ambient relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 at 40 C Maximum altitude of site m above sea level 2000 Electrical Data Voltage V 100 115 230 Frequency Hz 50 60 60 50 Maximum current consump tion A 5 1 4 2 1 9 Power con...

Page 19: ... pump 1 Outlet valve 2 Inlet valve 3 Transfer chamber 4 Diaphragm 5 Eccentric 6 Connecting rod 7 Pump drive Fig 4 Pump head Diaphragm pumps transfer compress depending on pump ver sion and evacuate gases and vapors The elastic diaphragm 4 is moved up and down by the eccentric 5 and the connecting rod 6 In the downward stroke it aspirates the gas to be transferred via the inlet valve 2 In the upwar...

Page 20: ... to the pump Make sure that no reactive or explosive mixtures will be produced when gas ballast valve is open If necessary close gas ballast valve Please contact KNF Service if you require an inert gas When pumping vaporous media opening the gas ballast valve can minimize the formation of condensation in the pump heads Opening the gas ballast valve deteriorates ultimate vacuum performance Fig 5 Ga...

Page 21: ...is protected against rain splash hose and drip water Choose a safe location flat surface for the pump Protect the pump from dust Protect the pump from vibrations jolts and external damage 7 1 Connect pump Only connect components to the pump which are designed for the pneumatic data of the pump see chapter 5 page 12 If the pump is used as a vacuum pump safely discharge the pump exhaust at the pump ...

Page 22: ...from mains and de energized Mounting 1 Disconnect the tubes in the inlet Fig 3 6 and the outlet 4 of the pump 2 Open the connection 2 of the pump heads 3 Screw out the connecting piece 1 of the vacuum side head 4 Screw the gas ballast into the pump head 5 Remount the connection 2 between the both pump heads If necessary Connect inert gas supply to ventilation connection Observe the safety instruct...

Page 23: ...ters and conditions described in chapter 5 Technical data Make sure the pumps are used properly see chapter 2 1 page 4 Make sure the pumps are not used improperly see chapter 2 2 page 4 Observe the safety precautions see chapter 4 page 10 WARNING Hazard of the pump head bursting due to excessive pressure increase Do not exceed max permissible operating pressure see chapter 5 page 12 Monitor pressu...

Page 24: ...r With the pump at a standstill open pressure and suction lines to normal atmospheric pressure WARNING Automatic starting can cause personal injury and pump damage When the operation of the pump is interrupted by the thermal switch the pump will restart automatically after cooling down After triggering of the thermal protection or in the event of power failure remove the pump s mains plug from the...

Page 25: ...sure it may block This activates the thermal switch and the pump switches off Make sure that no pressure is present in the lines during switch on Switch on pump with mains switch see Fig 3 5 Switching off the pump removing from operation When transferring aggressive media flush the pump prior to switch off to increase the service life of the diaphragm see chapter 9 2 1 page 26 Switch off pump with...

Page 26: ...latest when pump output decreases Tab 16 9 2 Cleaning When cleaning make sure that no liquids enter the inside of the housing 9 2 1 Flushing Pump WARNING Risk of explosion when flushing the pump with air If the pump is used with potentially explosive media have the pump flushed with an inert gas only by an expert WARNING Avoid damage to the pump and personal injury caused by poisoning or explosion...

Page 27: ... pen Tab 17 Always replace diaphragm and valve plates sealings together to maintain the pump performance With multi head pumps parts of the individual pump heads can be confused Replace the diaphragm and valve plates sealings of the indi vidual pump heads consecutively WARNING Health hazard due to dangerous substances in the pump Depending on the substance transferred caustic burns or poisoning ar...

Page 28: ...ps to avoid incorrect as sembly later 3 Loosen the outer screws 5 on the pump head pump heads 4 Carefully remove pump head pump heads Change diaphragm Replace the diaphragms of two headed pumps consecutively in order to ensure that the same number of diaphragm spacers is used as before 1 For two headed pumps Push down one diaphragm until other diaphragm is pushed upwards to its highest position 2 ...

Page 29: ...gm With a two headed pump Apply pressure to diaphragm on only one pump 2 Place the intermediate plate 8 with valve plates sealings on the adapter in accordance with the felt tip pen marking 3 Place the head plate 6 on the intermediate plate 8 in the position indicated by the guide pin 7 4 Place the top plate 5 on the head plate 6 in accordance with the felt tip pen marking 5 Gently tighten screws ...

Page 30: ...nnections for leaks Leaks may cause an explosion 1 Functional check Reconnect suction and pressure line to the pump Reconnect the pump to the electricity supply Check the functions of the pump including ultimate vacu um Disconnect electrical and pneumatic connections from the pump again 2 Integrate the pump in the application Reconnect suction and pressure line to the pump Reconnect the pump to th...

Page 31: ...tes sealings see chapter 9 3 page 27 Tab 18 Flow rate pressure or vacuum too low The pump does not achieve the output specified in the Technical data or the data sheet Cause Fault remedy Condensate has collected in pump head Detach the condensate source from the pump Flush pump see chapter 9 2 1 page 26 Open gas ballast and flush pump head There is gauge pressure on pressure side and at the same t...

Page 32: ...e power source Check room fuse and switch on if necessary Fuse in the pump is defective Remove pump s mains plug from the socket Loosen marked lid on underside of the pump Select and replace suitable fuse see chapter 5 page 12 Tab 20 Pump is switched on but does not run the on off switch on the pump is lit Cause Fault remedy The thermal switch has opened due to overheating Remove pump s mains plug...

Page 33: ...309576 058078 N 840 FT 18 309578 058079 N 810 3 FT 18 309575 057357 N 820 3 FT 18 309577 057358 N 840 3 FT 18 309579 057359 N 840 1 2 FT 18 309580 057359 Tab 22 11 2 Head plates and intermediate plates Pump type Order No head plate Order No intermediate plate Head 1 Head 2 N 810 FT 18 304248 304245 N 820 FT 18 304249 304246 N 840 FT 18 304250 304247 N 810 3 FT 18 304248 304251 304245 2x N 820 3 FT...

Page 34: ...optimal processing of a return a copy of this declaration should be sent in advance via e mail regular mail or fax to KNF Customer Service refer to final page for address In order to avoid endangering employees who open the shipment s packaging despite any residual hazards the original version of the Health and safety clearance and decontamination form must accompany the delivery receipt on the ou...

Page 35: ... 820 840 18 EX Health and safety clearance and decontamination form Translation of original Operating Instructions English KNF 309515 309518 06 17 35 13 Health and safety clearance and decontami nation form ...

Page 36: ...KNF worldwide Please find our local KNF partners at www knf com ...

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