Edwards EDS 200 User manual

Flush Kit

EDS200, EDS300 and EDS480 Pumps

INSTRUCTION MANUAL

A41892880_C Original instrucons

edwardsvacuum.com

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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.1 Denion of Warnings and Cauons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.2 Safety symbols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2. Introducon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3. Technical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4. Installaon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.1 Installaon on the pump without canopy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.2 Installaon on the pump with canopy (for EDS200 and EDS300 pumps). . . 13

5. Commissioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

5.1 Opon 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5.2 Opon 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5.3 Seng the ow rate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

6. Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

7. Disposal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

05/2021 - ©Edwards Limited

Page 3A41892880_C

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 pump or the system.

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.

05/2021 - ©Edwards Limited

Page 4A41892880_C

A41892880_C - Safety and compliance

1.2 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 - Dangerous voltage

Idenes possible hazards from dangerous voltages.

Warning - Hot surfaces

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

Warning - Use protecve equipment

Use appropriate protecve equipment for the task.

05/2021 - ©Edwards Limited

Page 5A41892880_C

A41892880_C - Safety and compliance

2. Introducon

The ush kit has been designed for safe and ecient operaon when used properly and

in accordance with these operang instrucons. It is the responsibility of the user to

carefully read and strictly observe all safety precauons described throughout the

operang instrucons.

Deposits may form within the pump chamber of the vacuum pumps during the process.

The ush kit removes these deposits with water or a suitable solvent and ush them out

of the vacuum pump. The ush kit allows the required amount of solvent in the inlet of

the vacuum pump to remove deposions inside the pump.

The ush kit consists of:

▪ Solenoid valve or solenoid valve ATEX or manual valve

▪ Visual owmeter with manually adjustable valve

▪ Non-return valve.

The ush kit is designed for regulaon, automac/manual shut-o and visibility of the

solvent ow in the inlet of the vacuum pump. The solvent ows through a solenoid or

manual valve, a visual owmeter with a manually adjustable valve and a non-return

valve. For the best solvent ush results, we recommend you to install an inlet purge kit

with the ush kit. Refer to Accessories on page 19 for more informaon.

The ush kit is available in three variants:

A. Flush kit / Solenoid valve ATEX

B. Flush kit / Solenoid valve

C. Flush kit / Manual valve

The selecon of the most suitable solvent uid depends on your process medium. Make

sure that the solvent you select is compable with the materials of construcon of the

vacuum pump to prevent damage. The materials of construcon for the dierent parts

of the pump can be found in the respecve instrucon manuals. If in doubt, contact our

customer care centre for advice.

Our recommended solvents are:

▪ Xylene

▪ Water

05/2021 - ©Edwards Limited

Page 6A41892880_C

A41892880_C - Introducon

The extremely low pressure at the inlet of the running vacuum pump can cause solvents

to solidify. The extent of the solidicaon depends on the solvent used and pressure at

the inlet of the pump. To get the best cleaning eect, we recommend the solvent that

remains at least partly in the liquid phase inside the pump. This can be achieved by

increasing the inlet pressure of the vacuum pump. To increase the inlet pressure of the

vacuum pump, you can install one of our inlet purge accessories in combinaon with the

ush kit.

05/2021 - ©Edwards Limited

Page 7A41892880_C

A41892880_C - Introducon

3. Technical data

Table 1

Technical data

Feature Solenoid valve ATEX Solenoid valve

ATEX rang II 2G Ex mb IIC T4 Gb

II 2D Ex tb IIIC T130 °C Db NA

Valve

▪ Pressure range 0 to 2.45 bar 0 to 3.5 bar

▪ Power 10.1 W 18 W

▪ Voltage 24 V d.c.

▪Insulaon class H 180 °C

▪ IP rang IP65

▪Connecon DIN 43650A

Supplied cable length 3 m NA

Materials

Materials in contact with the

solvent

Stainless Steel

Borosilicate glass

Viton

PTFE

05/2021 - ©Edwards Limited

Page 8A41892880_C

A41892880_C - Technical data

4. Installaon

WARNING: DANGEROUS VOLTAGE

Risk of electric shock. Installaon of the ush kit requires proper installaon and

proper operaon of the vacuum pump. Disconnect the mains power supply before

you work on the vacuum pump. Tag out/Lock out to protect against inadvertently

switching on the power supply. The electrical connecons must only be provided by a

trained electrician.

In case of using an ATEX solenoid valve all electrical installaon must be done in

conformance with EN60079-14 and other local regulaons applicable when working

in a potenally explosive atmosphere.

WARNING: HOT SURFACE

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

temperature higher than 70 °C. If you install the ush kit under such condions then

there exists the risk of suering burns. Before you install the ush kit, let the vacuum

pump cool down.

WARNING: USE PROTECTIVE EQUIPMENT

Risk of injury. Take a note of the danger symbols on the pump and wear the required

personal protecon equipment. Note the safety informaon given in the operang

instrucons for the vacuum pump. If the pump has been pumping hazardous

substances, then the type of hazard must be determined and suitable protecon

measures must be taken.

Note:

The illustraons in this manual show the installaon of Flush kit / Solenoid valve. The

same procedure is applicable for the remaining two variants.

4.1 Installaon on the pump without canopy

Follow these steps to install the Flush kit / Solenoid valve on your pump:

05/2021 - ©Edwards Limited

Page 9A41892880_C

A41892880_C - Installaon

1. Prepare the Flush kit / Solenoid valve for installaon.

A. Flush kit / Solenoid valve

B. Aach the bracket to the Flush kit / Solenoid valve with the hex head cap

screw

C. Flush kit / Solenoid valve with bracket

Note:

Do not fully ghten the hex head cap screw, so that the bracket posion can

be adjusted.

2. Replace the plug screw with the adapter.

▪ Replace the plug screw adjacent to the pump inlet with the supplied adapter.

1. Plug screw

2. Adapter

05/2021 - ©Edwards Limited

Page 10A41892880_C

A41892880_C - Installaon

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