Edwards NES40A Manual de usuario

Single-Stage Rotary Vane Pumps with Single

Phase Motor

nES40A

INSTRUCTION MANUAL

A35134880_A Original instrucons

edwardsvacuum.com

PUMP MODEL PRODUCT ITEM NUMBERS

nES40A A3513xxxx

Trademark credit

Edwards and the Edwards logo are trademarks of Edwards Limited, Innovaon Drive,

Burgess Hill, West Sussex RH15 9TW.

Disclaimer

The content of this manual may change from me to me without noce. We accept

no liability for any errors that may appear in this manual nor do we make any

expressed or implied warranes regarding the content. As far as praccal 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 operang instrucons.

We accept no liability for loss of prot, loss of market or any other indirect or

consequenal loss whatsoever.

Product warranty and limit of liability are dealt with in our standard terms and

condions of sale or negoated contract under which this document is supplied.

You must use this product as described in this manual. Read the manual before you

install, operate, or maintain the product.

Contents

1. Safety and compliance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.1 Denion of Warnings and Cauons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.2 Trained personnel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.3 Safety symbols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2. Important safety informaon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.1 Mechanical hazards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.2 Electrical hazards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.3 Thermal hazards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.4 Hazards caused by materials and substances. . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.5 Danger of pump damage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3. Descripon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.1 Principle of operaon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.2 Conforming use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.3 Non-conforming use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4. Technical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.1 Lubricants. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.2 Pumping speed curves. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5. Transportaon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

5.1 Packaging. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

5.2 Mounng orientaon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6. Installaon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

6.1 Seng up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

6.2 Connecon to the system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

6.2.1 Inlet connecon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

6.2.2 Exhaust connecon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

6.3 Electrical connecons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

6.3.1 Pump control and power supply connecon. . . . . . . . . . . . . . . . . . . 20

6.4 Fill the oil. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

7. Operaon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

7.1 Working in cycles in/out. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

7.2 Switch o or Shut down. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

8. Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

8.1 Maintenance interval. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

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8.2 Check the oil. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

8.2.1 Check the oil level. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

8.2.2 Change the oil. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

8.3 Replace the exhaust lters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

8.4 Clean the gas ballast valve. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

8.5 Check the an-suck back valve. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

8.6 Clean the fan cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

8.7 Check the oat valve. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

9. Fault nding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

10. Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

11. Disposal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

11.1 Waste disposal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

11.2 Disposal of waste oil. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

12. Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

12.1 Return the equipment or components for service . . . . . . . . . . . . . . . . . . . . 32

13. Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

14. Spares. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

15. Legal declaraons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

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Page 4A35134880_A

List of Figures

Figure 1: Dimension drawing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 2: Pumping speed curve at 50 Hz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 3: Pumping speed curve at 60 Hz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 4: Connecons and controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 5: Overload protecon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 6: Power sockets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

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1. Safety and compliance

1.1 Denion of Warnings and Cauons

NOTICE:

For safe operaon from the start, read these instrucons carefully before you install

or commission the equipment and keep them safe for future use.

Read all the safety instrucons in this secon and the rest of this manual carefully

and make sure that you obey these instrucons. The equipment must only be

operated and maintained by trained personnel in the proper condion and as

described in this instrucon manual.

Obey local and state requirements and regulaons. If you have any quesons about

safety, operaon or maintenance of the device, please contact our nearest subsidiary.

Important safety informaon is highlighted as warning and cauon instrucons. Obey

these instrucons.

WARNING:

If you do not obey a warning, there is a risk of injury or death. Dierent symbols are

used according to the type of hazard.

CAUTION:

If you do not obey a cauon, there is a risk of minor injury, damage to equipment,

related equipment or process.

NOTICE:

Informaon about properes or instrucons for an acon which, if ignored, will

cause damage to the equipment.

We reserve the right to change the design and the stated data. The illustraons are not

binding.

Keep the instrucons for future use.

1.2 Trained personnel

For the operaon of this equipment “trained personnel” are:

▪ skilled workers with knowledge in the elds of mechanics, electrical engineering,

polluon abatement and vacuum technology and

▪ personnel specially trained for the operaon of vacuum pumps

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A35134880_A - Safety and compliance

1.3 Safety symbols

The safety symbols on the products show the areas where care and aenon is

necessary.

The safety symbols that follow are used on the product or in the product

documentaon.

Warning/Cauon

An appropriate safety instrucon must be followed or cauon to a po-

tenal hazard exists.

Warning - Corrosive substances

The substance is corrosive.

Warning - Dangerous voltage

Idenes possible hazards from dangerous voltages.

Warning - Environmental hazard

Idenes possible hazards to the environment.

Warning - Hot surfaces

Idenes a potenal hazard from a hot surface.

Warning - Risk of explosion

There is a risk of explosion when you do the task.

Warning - Trip hazard

There is a risk of slipping, tripping or falling as a result of spilled liquids,

trailing cords and pipes or other low-lying objects.

Warning - Wear hearing protecon

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A35134880_A - Safety and compliance

2. Important safety informaon

2.1 Mechanical hazards

WARNING: VACUUM HAZARD

Risk of injury. Do not expose any part of the human body to vacuum as it can cause

injury.

WARNING: OPERATION SAFETY

Risk of injury or damage to the equipment. Do not operate the pump with an open

and accessible inlet. Make sure that the vacuum connecons, oil lling and oil

draining ports are not open during the operaon of the pump.

2.2 Electrical hazards

WARNING: HIGH ELECTRIC VOLTAGE

Risk of electric shock. Covers marked with this symbol must only be opened by

trained electricians aer the pump is Lockout and Tagout.

1. Disconnect the unit from the power supply before you start any work on the

pump.

2. Always operate the pump with a properly connected protecve earth conductor

and make sure that the motor connecon box is closed.

3. Lay the connecng lines so that these cannot be damaged. Protect the lines

against humidity and contact with uids.

4. Avoid thermally stressing the lines by unfavourable laying. Provide strain relief for

the connecng lines so that the plugs and the line connectors are not subjected to

excessively high mechanical stresses.

5. Lay the electric feed lines so that there is no risk of tripping over them.

2.3 Thermal hazards

CAUTION: HOT SURFACE

Risk of burn injury. During operaon the pump is hot and some surfaces can reach a

temperature higher than 85 °C (185 °F). Switch o the pump and let it cool down

before any intervenon or take appropriate precauons. It is recommended to use an

oil casing or pump touching protecon at high ambient temperatures. Make sure that

you wear protecve gloves before you touch any part during or just aer the pump

operaon.

1. Handle the pump only aer it is vented and cooled down.

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A35134880_A - Important safety informaon

2. Never remove the oil-ll or oil-drain plugs when the pump is in operaon. There

exists the risk of suering burns. Always wear protecve gloves and protecve

goggles also for protecon against the oil.

2.4 Hazards caused by materials and substances

1. The pump is not designed for:

▪ pumping of dusty, aggressive, corrosive, ammable or explosive gases or gases

mixtures

▪ pumping of oxygen or other highly reacve gases with a greater concentraon

than the atmospheric concentraon (> 20%)

▪ working in a ammable or explosive environment.

For all these cases, special materials must be used. In case of doubt, contact

us.

Also, see the limits of use indicated in the CE declaraon of conformity.

2. Depending on the process involved, dangerous substances and oil may escape

from the pump. Follow the necessary safety precauons.

3. Take appropriate precauons to make sure that the pump cannot start.

4. If the pump has pumped hazardous gases it will be necessary to determine the

nature of the hazard involved and take the appropriate safety precauons.

5. Take adequate safety precauons before you open the intake or exhaust port.

6. Follow the instrucons for environment protecon when you dispose of the used

oil or exhaust lters.

7. Some pumps use peruoropolyether (PFPE) as a lubricant. When handling (PFPE)

you should observe the following: During thermal decomposion at temperatures

over 290 °C toxic and corrosive gases are released. When handling PFPE keep it

away from open res. Do not smoke with PFPE on your ngers.

8. Touch the inner secons of the pumps only while wearing clean gloves and use a

clean tool. Do the necessary work in clean and dry rooms.

2.5 Danger of pump damage

1. There is a risk of severe damage if any object falls in the pump. Make sure that no

objects (screws, welding beads, nuts, washers, pieces of wire, ngs etc.) enter

through the intake port of the pump.

2. Make sure that liquid and solid parcles do not enter the pump. Install adequate

lters, separators and/or condensers. In case of doubt contact us.

3. Do not connect the intake line of the pump to a device with over atmospheric

pressure. The exhaust line must be designed so that the pressure will not exceed

1.1 bar absolute (0.1 bar relave).

4. Make sure that the pump exhaust is not closed or restricted.

5. The pump is designed for indoor use only and must be operated below 2000 m sea

level.

6. If you operate the pump without oil or with incorrect rotaon direcon for a long

me, it can destroy the pump and create dangerous situaons.

7. Never use discarded seals. Always use new seals for assembly.

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Page 9A35134880_A

A35134880_A - Important safety informaon

8. The pump must be packaged in such a way that it will not be damaged during

transport and so that no harmful substances can escape from the package.

9. Pumps having no frequency converter (standard single or three-phase motor) and

having an exhaust port smaller than DN40 are not suitable for a connuous

operaon above 100 mbar absolute inlet pressure. Such operang condions

above 100 mbar absolute can damage the pump or its motor and lead to oil leaks.

Typically, these pumps are used on equipment requiring an inlet pressure usually

lower than 30 mbar absolute in connuous operaon.

02/2022 - ©Edwards Limited

Page 10A35134880_A

A35134880_A - Important safety informaon

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