Edwards EDS 200 User manual
Flush Kit
EDS200, EDS300 and EDS480 Pumps
INSTRUCTION MANUAL
A41892880_C Original instrucons
edwardsvacuum.com
Copyright noce
©Edwards Limited 2021. All rights reserved.
Trademark credit
Edwards and the Edwards logo are trademarks of Edwards Limited, Innovaon Drive,
Burgess Hill, West Sussex RH15 9TW.
Disclaimer
The content of this manual may change from me to me without noce. We accept
no liability for any errors that may appear in this manual nor do we make any
expressed or implied warranes regarding the content. As far as praccal 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 operang instrucons.
We accept no liability for loss of prot, loss of market or any other indirect or
consequenal loss whatsoever.
Product warranty and limit of liability are dealt with in our standard terms and
condions of sale or negoated 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 Denion of Warnings and Cauons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2 Safety symbols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2. Introducon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3. Technical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4. Installaon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.1 Installaon on the pump without canopy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.2 Installaon on the pump with canopy (for EDS200 and EDS300 pumps). . . 13
5. Commissioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.1 Opon 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5.2 Opon 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5.3 Seng the ow rate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6. Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
7. Disposal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
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Page 3A41892880_C
1. Safety and compliance
1.1 Denion of Warnings and Cauons
NOTICE:
For safe operaon from the start, read these instrucons carefully before you install
or commission the equipment and keep them safe for future use.
Read all the safety instrucons in this secon and the rest of this manual carefully
and make sure that you obey these instrucons. The equipment must only be
operated and maintained by trained personnel in the proper condion and as
described in this instrucon manual.
Obey local and state requirements and regulaons. If you have any quesons about
safety, operaon or maintenance of the device, please contact our nearest subsidiary.
Important safety informaon is highlighted as warning and cauon instrucons. Obey
these instrucons.
WARNING:
If you do not obey a warning, there is a risk of injury or death. Dierent symbols are
used according to the type of hazard.
CAUTION:
If you do not obey a cauon, there is a risk of minor injury, damage to equipment,
related equipment or process.
NOTICE:
Informaon about properes or instrucons for an acon 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 illustraons are not
binding.
Keep the instrucons for future use.
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Page 4A41892880_C
A41892880_C - Safety and compliance
1.2 Safety symbols
The safety symbols on the products show the areas where care and aenon is
necessary.
The safety symbols that follow are used on the product or in the product
documentaon.
Warning/Cauon
An appropriate safety instrucon must be followed or cauon to a po-
tenal hazard exists.
Warning - Dangerous voltage
Idenes possible hazards from dangerous voltages.
Warning - Hot surfaces
Idenes a potenal hazard from a hot surface.
Warning - Use protecve equipment
Use appropriate protecve equipment for the task.
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A41892880_C - Safety and compliance
2. Introducon
The ush kit has been designed for safe and ecient operaon when used properly and
in accordance with these operang instrucons. It is the responsibility of the user to
carefully read and strictly observe all safety precauons described throughout the
operang instrucons.
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 deposions 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 regulaon, automac/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 informaon.
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 selecon of the most suitable solvent uid depends on your process medium. Make
sure that the solvent you select is compable with the materials of construcon of the
vacuum pump to prevent damage. The materials of construcon for the dierent parts
of the pump can be found in the respecve instrucon manuals. If in doubt, contact our
customer care centre for advice.
Our recommended solvents are:
▪ Xylene
▪ Water
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Page 6A41892880_C
A41892880_C - Introducon
The extremely low pressure at the inlet of the running vacuum pump can cause solvents
to solidify. The extent of the solidicaon depends on the solvent used and pressure at
the inlet of the pump. To get the best cleaning eect, 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 combinaon with the
ush kit.
05/2021 - ©Edwards Limited
Page 7A41892880_C
A41892880_C - Introducon
3. Technical data
Table 1
Technical data
Feature Solenoid valve ATEX Solenoid valve
ATEX rang 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.
▪Insulaon class H 180 °C
▪ IP rang IP65
▪Connecon DIN 43650A
Supplied cable length 3 m NA
Materials
Materials in contact with the
solvent
Stainless Steel
Borosilicate glass
Viton
PTFE
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A41892880_C - Technical data
4. Installaon
WARNING: DANGEROUS VOLTAGE
Risk of electric shock. Installaon of the ush kit requires proper installaon and
proper operaon 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 connecons must only be provided by a
trained electrician.
In case of using an ATEX solenoid valve all electrical installaon must be done in
conformance with EN60079-14 and other local regulaons applicable when working
in a potenally explosive atmosphere.
WARNING: HOT SURFACE
Risk of burns. During operaon the pump is hot and some surfaces can reach a
temperature higher than 70 °C. If you install the ush kit under such condions then
there exists the risk of suering 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 protecon equipment. Note the safety informaon given in the operang
instrucons for the vacuum pump. If the pump has been pumping hazardous
substances, then the type of hazard must be determined and suitable protecon
measures must be taken.
Note:
The illustraons in this manual show the installaon of Flush kit / Solenoid valve. The
same procedure is applicable for the remaining two variants.
4.1 Installaon 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 - Installaon
1. Prepare the Flush kit / Solenoid valve for installaon.
A. Flush kit / Solenoid valve
B. Aach 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 posion 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 - Installaon
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