Edwards EDS 200 Manual de usuario
Inlet Purge Kit
EDS200, EDS300 and EDS480 Pumps
INSTRUCTION MANUAL
A41891880_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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4. Installaon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.1 Installaon on the pump without canopy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.2 Installaon on the pump with canopy (for EDS200 and EDS300 pumps). . . 12
5. Commissioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6. Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7. Disposal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
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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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A41891880_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 - Pressurised
The equipment contains pressurised gases/liquids.
Warning - Use protecve equipment
Use appropriate protecve equipment for the task.
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A41891880_C - Safety and compliance
2. Introducon
The inlet purge 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 in this
manual.
The funcon of the inlet purge kit is to supply pressurised gas in the inlet of the vacuum
pump.
The inlet purge kit consists of:
▪ Pressure regulator
▪ Solenoid valve or solenoid valve ATEX or manual valve
▪ Visual owmeter
▪ Non-return valve.
The inlet purge kit can be used to:
▪ increase the inlet pressure of the pump during a solvent ushing sequence to have
superior solvent ushing performance
▪ purge process gases out of the pump during shut down
▪ dry the pump aer a solvent ush
▪ increase the inlet pressure during the warm-up procedure of the pump to decrease
the me for priming the pump
▪ increase the inlet pressure of the pump during the process
▪ dilute pumped media to prevent the mixture from entering the ammable range.
The inlet purge kit is available in three variants:
A. Inlet purge / Solenoid valve ATEX
B. Inlet purge / Solenoid valve
C. Inlet purge / Manual valve
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A41891880_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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A41891880_C - Technical data
4. Installaon
WARNING: DANGEROUS VOLTAGE
Risk of electric shock. Installaon of the inlet purge 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 inlet purge kit under such condions
then there exists the risk of suering burns. Before you install the inlet purge 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 Inlet purge / 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 Inlet purge / Solenoid valve on your pump:
1. Prepare the Inlet purge / Solenoid valve for installaon.
A. Inlet purge / Solenoid valve
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A41891880_C - Installaon
B. Aach the bracket to the Inlet purge / Solenoid valve with the hex head cap
screw
C. Inlet purge / 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
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Page 9A41891880_C
A41891880_C - Installaon
3. Install the Inlet purge / Solenoid valve on the pump.
▪ Loosen the hex head cap screw by 4 mm to 5 mm on the top cover of the
pump.
▪ Slide the bracket in between the top cover of the pump and the hex head cap
screw.
1. Hex head cap screw
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A41891880_C - Installaon
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