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Figure 15 nES300 Dimensions

A. Inlet port

B. Mounting (4) M10 x 10

C. Exhaust port

D. Cooling air

E. Space for exhaust filter exchange and

cooling

F. Space for motor ventilation

G. Oil level switch

H. Exhaust filter switch

I. Thermal switch

A. Inlet port

B. Mounting (4) M10 x 10

C. Exhaust port

D. Cooling air

E. Space for exhaust filter exchange and

cooling

F. Space for motor ventilation

G. Oil level switch

H. Exhaust filter switch

I. Thermal switch

Figure 16 nES300S Dimensions

A. Inlet port

B. Mounting (4) M10 x 10

C. Exhaust port

D. Cooling air

E. Space for exhaust filter exchange and

cooling

F. Space for motor ventilation

G. Oil level switch

H. Exhaust filter switch

I. Thermal switch

A. Inlet port

B. Mounting (4) M10 x 10

C. Exhaust port

D. Cooling air

E. Space for exhaust filter exchange and

cooling

F. Space for motor ventilation

G. Oil level switch

H. Exhaust filter switch

I. Thermal switch

Page 24 - 07/2020

A35104880_B - Installation

Содержание nES Series

Страница 1: ...L A35104880_B Original instructions edwardsvacuum com PUMP MODEL PRODUCT ITEM NUMBERS PUMP MODEL PRODUCT ITEM NUMBERS nES40 A3510xxxx nES300 A356xxxxx nES65 A3530xxxx nES470 A3570xxxx nES100 A3540xxxx...

Страница 2: ...e content As far as practical we have ensured that the products have been designed and constructed to be safe and without risks when properly installed and used in accordance with their operating inst...

Страница 3: ...ive 2006 42 EC 2014 30 EU Electromagnetic compatibility EMC directive 2011 65 EU And 2015 863 EU Restriction of certain hazardous substances RoHS Directive Based on the relevant requirements of harmon...

Страница 4: ...erials Content Declaration Part name Hazardous Substances Lead Pb Mercury Hg Cadmium Cd Hexavalent Chromium Cr VI Polybrominated biphenyls PBB Polybrominated diphenyl ethers PBDE Aluminium alloys X O...

Страница 5: ...This page has been intentionally left blank...

Страница 6: ...This page has been intentionally left blank...

Страница 7: ...s conditions and limitations 13 3 2 Pump data 14 3 2 1 Pumping performance curves 15 3 3 Motor data 20 3 4 Materials of construction 21 4 Installation 22 4 1 Dimension drawings 22 4 2 Installation gui...

Страница 8: ...hange 40 7 4 Cleaning radiator motor fan guard and pump 41 7 5 Replacing V belts 41 7 6 V belt tensioning 41 7 6 1 How to use the v belt tension meter 41 8 Fault finding 43 9 Storage 46 10 Disposal 47...

Страница 9: ...rmance curve 19 Figure 9 nES630 Pumping performance curve 19 Figure 10 nES750 Pumping performance curve 20 Figure 11 nES40 Dimensions 22 Figure 12 nES65 Dimensions 22 Figure 13 nES100 Dimensions 23 Fi...

Страница 10: ...y information is highlighted as warning and caution instructions Obey these instructions WARNING If you do not obey a warning there is a risk of injury or death Different symbols are used according to...

Страница 11: ...AFTER VOLTAGE FAILURE Risk of damage to equipment If the machine is equipped with an automatic restart after voltage failure function and if this function is active be aware that the machine will rest...

Страница 12: ...on and deceleration must be kept within safe limits Wear a safety helmet when working in the area of overhead or lifting equipment 2 The unit is designed for indoor use If the unit is installed outdoo...

Страница 13: ...ted by a safety device with set pressure according to the maximum cooling water inlet pressure 17 If the ground is not level or can be subject to variable inclination consult the manufacturer 18 Pump...

Страница 14: ...take precautions against air pollution and possible contamination of the breathing air 10 On water cooled vacuum pumps using open circuit cooling towers protective measures must be taken to avoid the...

Страница 15: ...13 Make sure that no tools loose parts or rags are left in or on the machine 14 All regulating and safety devices shall be maintained with due care to ensure that they function properly They may not b...

Страница 16: ...into the exhaust filter element After passing the exhaust filter element clean air conditioned to a few parts per million is discharged through the outlet The vacuum pump is driven by an electric moto...

Страница 17: ...rpm 1800 Mineral oil viscosity ISO VG68 Maximum inlet pressure for continuous operation mbar g 1013 Torr mmHg 760 Maximum ambient temperature C 40 F 104 Minimum ambient temperature C 12 F 53 6 Maximum...

Страница 18: ...ower 50 Hz kW 1 3 1 8 3 4 5 5 5 6 11 11 18 5 18 5 Motor rated power 60 Hz kW hp 1 3 2 1 8 3 3 6 5 5 5 7 5 6 6 10 7 2 10 13 2 15 18 5 25 Dimensions L x W x H Approximate mm 540 x 284 x 303 586 x 320 x...

Страница 19: ...ast mbar 0 5 0 08 torr 0 4 0 06 Ultimate vacuum without gas ballast mbar 1 5 0 7 torr 1 1 0 5 Maximum permitted outlet pressure bar a 1 15 Motor protection rating IP55 Recommended oil Ultragrade Perfo...

Страница 20: ...Figure 2 nES65 Pumping performance curve Figure 3 nES100 Pumping performance curve Page 16 07 2020 A35104880_B Technical data...

Страница 21: ...Figure 4 nES200 Pumping performance curve Figure 5 nES300 Pumping performance curve 07 2020 Page 17 A35104880_B Technical data...

Страница 22: ...Figure 6 nES300S Pumping performance curve Figure 7 nES470 Pumping performance curve Page 18 07 2020 A35104880_B Technical data...

Страница 23: ...Figure 8 nES570 Pumping performance curve Figure 9 nES630 Pumping performance curve 07 2020 Page 19 A35104880_B Technical data...

Страница 24: ...Figure 10 nES750 Pumping performance curve 3 3 Motor data Refer to the specification on the motor nameplates Page 20 07 2020 A35104880_B Technical data...

Страница 25: ...iron Lip seals Fluoroelastomer or PTFE polytetrafluoroethylene Cooling coil if applicable Aluminium Vanes Epoxy resin and glass fibre Bushing if applicable Bronze Needle bearings if applicable Steel E...

Страница 26: ...st port D Cooling air E Space for exhaust filter exchange and cooling F Space for motor ventilation Figure 12 nES65 Dimensions A Inlet port B Gas ballast C Exhaust port D Cooling air E Space for exhau...

Страница 27: ...Space for motor ventilation Figure 14 nES200 Dimensions A Inlet port B Mounting 4 M10 x 10 C Exhaust port D Cooling air E Space for exhaust filter exchange and cooling F Space for motor ventilation G...

Страница 28: ...motor ventilation G Oil level switch H Exhaust filter switch I Thermal switch Figure 16 nES300S Dimensions A Inlet port B Mounting 4 M10 x 10 C Exhaust port D Cooling air E Space for exhaust filter e...

Страница 29: ...Figure 17 nES470 Dimensions A Inlet port B Exhaust port C Mounting 4 M16 x 14 D Lifting lug A Inlet port B Exhaust port C Mounting 4 M16 x 14 D Lifting lug 07 2020 Page 25 A35104880_B Installation...

Страница 30: ...Figure 18 nES570 Dimensions A Inlet port B Exhaust port C Mounting 4 M16 x 14 D Lifting lugs A Inlet port B Exhaust port C Mounting 4 M16 x 14 D Lifting lugs Page 26 07 2020 A35104880_B Installation...

Страница 31: ...et port B Exhaust port C Oil level switch D Motor connection E External filtration connection A Inlet port B Exhaust port C Oil level switch D Motor connection E External filtration connection 07 2020...

Страница 32: ...For bare shaft nES pumps supplied without a motor the installation of a three phase electric motor is mandatory before use Follow the installation procedure provided with the pump Bare shaft pumps are...

Страница 33: ...te additional back pressure on the vacuum pump Also the exhaust piping should be installed sloping away from the vacuum pump A recommended alternative is the use of a drip leg with drain point provisi...

Страница 34: ...sealing when closed Vacuum gauge ports and gauges should be installed in each leg of central vacuum piping This provides a diagnostic tool for troubleshooting both the application and any pump relate...

Страница 35: ...st be done by an electrically certified staff Check acceptable voltage and frequency on the pump nameplate before use Additional safety devices are available as options including an oil pump temperatu...

Страница 36: ...stalled near the vacuum pump Turn on the voltage and turn it off immediately For pumps with the three phase motor check the rotation direction of the drive motor while the motor is coasting to a stop...

Страница 37: ...31 Preventive maintenance schedule on page 35 5 4 Stop the pump We recommend running the unit off line for typically 30 minutes with closed inlet valve but open gas ballast prior to switching off Thi...

Страница 38: ...precautions during operation on page 9 and Fault finding on page 39 Fault finding on page 43 Procedure 1 Switch off the voltage and disconnect the vacuum pump from the mains 2 Drain the oil 3 Recycle...

Страница 39: ...t Liability Service kits For overhauling or carrying out preventive maintenance service kits are available Contact our customer centre Service contracts We offer several types of service contracts rel...

Страница 40: ...bottom of the oil tank through the oil viewer high water handling capability versions only If there is condensed water vapour open the oil discharge valve slightly let the condensed water vapour flow...

Страница 41: ...s required for servicing the component and offer the benefits of our genuine parts while keeping the maintenance budget low Also a full range of extensively tested lubricants suitable for your specifi...

Страница 42: ...s at high operating temperatures and aggressive media 3 Remove the exhaust flange with gasket Unscrew the lock nut and remove the spring between both washers take out the exhaust filter elements 4 Tak...

Страница 43: ...ector If necessary mount a new seal and mount the cover nES470 nES570 Tools required Tubular box wrench 16 mm 1 When the exhaust filter elements are clogged the integrated bypass opens and the filters...

Страница 44: ...er plug up to the middle of the oil sight glass The oil level may not exceed the allowed maximum level 6 Close the oil filler plug 7 Wipe off any oil spills from the pump and the floor 8 Connect to th...

Страница 45: ...Take off the hood 2 Loosen the applicable nuts 3 Remove the belt 4 Replace the belt 5 Reassemble in reverse sequence nES630 750 Tools required Key 19 and 24 1 Take off the hood 2 Loosen the applicabl...

Страница 46: ...ard until you reach a 10 mm bending The result of the measurement should be between 35 N and 58 N 4 Check the result of your measurement Tighten the belt tightener to reach the value given in the tabl...

Страница 47: ...Provide power supply Cause Thermal switch has tripped Remedy Identify cause and reset switch Cause Room temperature too low Remedy Restore temperature to allowed value Cause Motor damaged Remedy Conta...

Страница 48: ...wer supply to motor Remedy Check Cause Discharge clogged Remedy Check couplings at outlet Fault High oil consumption Cause High working pressure close to atmospheric pressure Remedy Check oil level fr...

Страница 49: ...etween process and pump inlet Remedy Check the process lines for the correct size and leaks and correct if necessary Cause Clogged air inlet filter element Remedy Replace the filter Cause The pump can...

Страница 50: ...st 30 minutes every 6 months with the inlet closed Store the pump in its packing in a covered dry place at a temperature between 20 C 4 F and 50 C 122 F If the vacuum pump is going to be stored withou...

Страница 51: ...aste oil Do not mix the waste oil from vacuum pumps with other substances or materials The contaminated waste oil from the vacuum pumps oil based on mineral oils must be disposed of through the locall...

Страница 52: ...l polyethylene PE and cardboard Stator end plates rotor flanges Plastic turbines fans and covers Oil casing Inlet filter Exhaust filter Oil filter Oil Non recyclable bin O rings gaskets shaft seals an...

Страница 53: ...Recycle symbol Description Component WEEE Motor Frequency converter and electronics Figure 24 Components for recycling 07 2020 Page 49 A35104880_B Disposal...

Страница 54: ...n of Contamination of Vacuum equipment and Components Procedure HS1 If you are returning a vacuum pump note the following If a pump is configured to suit the application make a record of the configura...

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Страница 56: ...edwardsvacuum com...

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