Edwards LR1A200 Instruction Manual
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Edwards LR1A200 Instruction Manual

Edwards LR1A200 Instruction Manual

Standard industrial liquid ring pump systems
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LRP200000201
Issue A
Instruction Manual
Standard Industrial Liquid Ring Pump Systems
Original Instructions

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Summary of Contents for Edwards LR1A200

  • Page 1 LRP200000201 Issue A Instruction Manual Standard Industrial Liquid Ring Pump Systems Original Instructions...
  • Page 4 Meaning Liquid Ring Pump standard systems: This product contains hazardous substances in at least one of the LR1A200, LR1A300, homogeneous materials used which are above the limit requirement LR1A400, LR1A500, 20 20 in GB/T 26572 as detailed in the declaration table below.

  • Page 5: Table Of Contents

    Pumping system start-up ....................15 Pumping system shut down ....................15 Maintenance ..................17 Safety ........................17 Maintenance plan .......................17 5.2.1 Weekly intervals ......................17 © Edwards Limited 2016. All rights reserved. Page i Edwards and the Edwards logo are trademarks of Edwards Limited.
  • Page 6 Fault finding ......................20 Spare item numbers ....................26 Associated publications Publication title Publication number Vacuum pump and vacuum system safety P400-40-100 Page ii © Edwards Limited 2016. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 7: Introduction

    Warning - rotating parts. Mandatory Action - connect an earth terminal to the ground. Mandatory Action - personal protective equipment must be worn. © Edwards Limited 2016. All rights reserved. Page 1 Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 8: Pumping System And Components

    The process gases and remaining vapours, together with the used sealing liquid are exhausted through the outlet connection of the liquid ring pump and into a separator tank. A combination of gravitational and centrifugal forces Page 2 © Edwards Limited 2016. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 9: Illustration Drawings/Diagrams

    Table 1 - Drive coupling models Pump model Drive coupling model LR1A200 - LR1A400 (50/60 Hz); EHR2190 - EHR2390 (50/60 Hz) 10R-R10 LR1A500 (50 Hz) HRC 110 LR1A500 (60 Hz), LR1A700 (50/60 Hz); SHR2400 (50 Hz) HRC 150 ©...

  • Page 10: Seal Liquid Reservoir

    The pumping systems are suitable for a wide range of non-hazardous area applications across industrial markets. Ensure that the pumping system is suitable for the application. If there are doubts as to the suitability of the pumping system for the application, consult Edwards Applications Engineers for advice.

  • Page 11: Technical Data

    Vibration velocity level 2.8 mm.s rms to 4.5 mm.s Zone boundary A/B according to ISO 10816-1; clause 5.3.1 and Annexure B. © Edwards Limited 2016. All rights reserved. Page 5 Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 12: Services Required (Per Pumping System)

    Seal liquid temperature indicator (if installed) Stainless steel 316 Seal liquid pressure indicator (if installed) Stainless steel 316 Base frame Carbon steel Page 6 © Edwards Limited 2016. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 13: Installation

    4. If the pumping system is not to be used immediately, replace the protective covers. Store the pumping system in suitable conditions, as described in Section © Edwards Limited 2016. All rights reserved. Page 7 Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 14: Locate The Pumping System

    Figure 1 - Lifting technique Ensure 90° lift perpendicular to lifting lug axis. Page 8 © Edwards Limited 2016. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 15: Connect Pipelines

    Once correctly positioned and levelled, secure the pumping system to the foundation using suitable  mechanical or chemical anchor bolts if not supplied by Edwards. Refer to the installation drawing(s) supplied with the pumping system for the number, location and size of pre-drilled holes.

  • Page 16: Connect Process Inlet And Outlet

    If installed, using a suitable gasket as a seal, connect the heat exchanger cooling liquid connections to the cooling liquid circuit. Page 10 © Edwards Limited 2016. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 17: Connect Drains

    Do not operate the liquid ring pump without seal liquid in the pump. If so, there may be a risk of damage to  the pumps. © Edwards Limited 2016. All rights reserved. Page 11 Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 18: Installation Checks

    Draining and flushing CAUTION If the liquid ring pump is seized and cannot be turned manually, contact the supplier or Edwards. Do not attempt to free the shaft be applying power to the drive motor as damage to the pump may result.

  • Page 19: Pumping System Priming

    Check the direction of rotation of the liquid ring pump as follows: 1. Edwards preferred method is to visibly check the cooling fan on the drive motor for direction of rotation. If this is not possible, temporarily remove the drive guard.

  • Page 20: Pumping System Shut Down

    2. Remove the temporary process inlet filter. 3. Leak test the vacuum system after removing the temporary process inlet filter. Seal any leaks found. Page 14 © Edwards Limited 2016. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 21: Operation

    LRP200000201 Issue A Operation CAUTION Edwards will accept no liability or warranty claims if the system is not used as specified in this manual or the associated publications. Pumping system start-up 1. Refer to the bareshaft liquid ring pump instructions listed in Section 1.2.7...
  • Page 22 LRP200000201 Issue A This page has been intentionally left blank. Page 16 © Edwards Limited 2016. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 23: Maintenance

    Obey the safety instructions in this section and take note of appropriate precautions. Failure to observe these instructions may result in injury to people and/or damage to equipment. A suitably trained and supervised technician must maintain the pumping system. Contact Edwards for further ...

  • Page 24: Yearly Intervals

    If the abnormal noise stops, the noise was caused by water hammer. Pump operation can continue as normal  with the seal liquid regulating valve at the new set point. Page 18 © Edwards Limited 2016. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 25: Rotate The Standby Liquid Ring Pump Drive Shaft

    Rotate the standby liquid ring pump drive shaft Edwards preferred method is to temporarily energise the drive motor starter every 10 days to allow the pump shaft to turn through three or four rotations, to prevent pump seizure and grease migration.

  • Page 26: Fault Finding

    Refer to Section 3.6.7. Is the pump damaged or in need of Contact the supplier or Edwards for repair? advice. Page 20 © Edwards Limited 2016. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.
  • Page 27 Check the pumping system for leaks. If the checks/actions as described above have been completed and identification of the cause not determined, or if a fault cannot be rectified, contact the supplier or Edwards for advice. © Edwards Limited 2016. All rights reserved.
  • Page 28 LRP200000201 Issue A This page has been intentionally left blank. Page 22 © Edwards Limited 2016. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 29: Storage And Disposal

    Ryconox 20M. 2. Turn the liquid ring pump drive shaft through 10 rotations. 3. Drain the corrosion inhibitor from the pump. © Edwards Limited 2016. All rights reserved. Page 23 Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 30: Disposal

    Take particular care with the following: Components that have been contaminated with hazardous substances.  Used seal liquid, or components contaminated with used seal liquid.  Page 24 © Edwards Limited 2016. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 31: Service And Spares

    Equipment which has been serviced, repaired or rebuilt is returned with a full warranty. The local Service Centre can also provide Edwards engineers to support on-site maintenance, service or repair of the equipment.

  • Page 32: Spare Item Numbers

    LR1A500 - LR1A700; SHR2400 LRP000003004 Heat exchanger gasket LR1A800 - LR1A1300; SHR2750 - SHR2950 LRP000019001 Refer to the drive motor nameplate for bearing references. Page 26 © Edwards Limited 2016. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.
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  • Page 34 This page has been intentionally left blank.
  • Page 35 Download the latest documents from www.edwardsvacuum.com/HSForms/, follow the procedure in HS1, fill in the electronic HS2 form, print it, sign it, and return the signed copy to Edwards. Note: If we do not receive a completed HS2 form, we will not accept the return of the...
  • Page 36 edwardsvacuum.com...

This manual is also suitable for:

Lr1a300Lr1a400Lr1a500Lr1a700Lr1a800Lr1a1200 ... Show all

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