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Summary of Contents for Edwards nXLi Series
- Page 1 edwardsvacuum.com Dry Vacuum Pumps nXLi INSTRUCTION MANUAL A77010880_B Original instructions...
- Page 2 Copyright notice ©Edwards Limited 2020. All rights reserved. Trademark credit Edwards and the Edwards logo are trademarks of Edwards Limited, Innovation Drive, Burgess Hill, West Sussex RH15 9TW. Disclaimer The content of this manual may change from time to time without notice. We accept no liability for any errors that may appear in this manual nor do we make any expressed or implied warranties regarding the content.
- Page 3 CE Declaration of Conformity Edwards Ltd Innovation Drive Burgess Hill West Sussex RH15 9TW The following product nXL110i 200 – 240 V 1 PH 50/60 HZ NW40/NW25 A77012320 nXL110i 200 – 240 V 1 PH 50/60 HZ NW50/NW25 A77012420 nXL200i 200 – 240 V 1 PH 50/60 HZ NW40/NW25 A77022320 nXL200i 200 –...
- Page 4 Additional Legislation and Compliance Information EU EMC Directive: Class A Industrial equipment Caution: This equipment is not intended for use in residential environments and may not provide adequate protection to radio reception in such environments. EU RoHS Directive: Material Exemption Information This product is compliant with the following Annex III Exemptions: 6(b) Lead as an alloying element in aluminium containing up to 0.4% by weight •...
- Page 5 材料成分声明 China Material Content Declaration 有害物质 Hazardous Substances 部件名称 六价铬 多溴联苯 多溴二苯醚 Part name 铅 汞 镉 Hexavalent Polybrominated Polybrominated Lead Mercury Cadmium Chromium biphenyls diphenyl ethers (Pb) (Hg) (Cd) (Cr VI) (PBB) (PBDE) 机壳 Enclosure 电机（泵和机械增压 泵） Motors (pump and mechanical booster) 泵和增压泵...
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Page 7: Table Of Contents
Contents 1. Safety and compliance........6 1.1 Definition of Warnings and Cautions. - Page 8 6.2.3 Auto-run..........25 6.2.4 Digital operator control mode.
- Page 9 List of Figures Figure 1: nXLi..............8 Figure 2: Interface control panel.
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Page 10: Safety And Compliance
A77010880_B - Safety and compliance 1. Safety and compliance 1.1 Definition of Warnings and Cautions Important safety information is highlighted as WARNING and CAUTION instructions. The safety instructions must be obeyed. The use of WARNINGs and CAUTIONs is as follows: WARNING: Warnings are given where failure to observe the instruction could result in minor injury or death to people. -
Page 11: General Description
A77010880_B - General description 2. General description 2.1 Overview WARNING: INCORRECT USE OF EQUIPMENT Risk of injury or damage to equipment. Incorrect use of the equipment can cause injury. The user is responsible for the safe operation, installation and monitoring of the system. -
Page 12: Pump Controller
A77010880_B - General description ▪ Butane You can use the pump to pump oxygen and water vapour. The oxygen concentration must be less than 20% by volume. The water vapour must not condense in the pump. To use the pump to remove a gas that is not listed, speak to the supplier for advice. If you do not get advice before you remove an unlisted gas, your warranty could be invalid. -
Page 13: Interface Control Panel
A77010880_B - General description ▪ manually, with the buttons on the user interface control panel. Refer to Figure: Interface control panel on page 9. ▪ remotely, with the serial communications or the digital and analogue process control (parallel). The control is connected to the pump through the 15‑way D‑type interface connector. -
Page 14: Pump Controller Configuration
A77010880_B - General description ▪ will close when you select stop, or if there is a fault condition. The reaction time will be in line with the valve selection. The output signal is 24 V d.c. Refer to Figure: Valve connector on page 10 for the polarity of the connector pins when the connector is energized. - Page 15 A77010880_B - General description You can configure the pump functionality for the application. This allows the pump to operate through a simple parallel interface system. Page 11...
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Page 16: Technical Data
A77010880_B - Technical data 3. Technical data 3.1 Operating and storage conditions Table 3 Operating and storage conditions Range Data Ambient operating temperature range 5 °C to 40 °C Ambient operating humidity range 10% to 90% RH (non‑condensing) Maximum operating altitude 2000 m Ambient storage temperature range -30 °C to 70 °C... -
Page 17: Performance
A77010880_B - Technical data Figure 5 nXL200i Dimensions 704 (27.72) 294 (11.57) 308 (12.13) 150 (5.90) 243 (9.57) 440 (17.32) 3.2 Performance Table 5 Performance data Parameter Units nXL110i nXRL200i Maximum pump speed* Maximum continuous inlet pressure at mbar 40 °C ambient Maximum continuous inlet pressure at mbar 30 °C ambient... -
Page 18: Materials Exposed To Gases
A77010880_B - Technical data Table 6 Sound data Declared dual‑number noise‑emission values in accordance with ISO 4871 nXL100i nXL200i Measured A‑weighted emission sound pressure level, L 56.7 55.4 at ultimate vacuum 1 m from the pump in free space dB(A) Uncertainty, K dB(A) Values from ISO 3744: 2010... -
Page 19: Purge Gas Specification
A77010880_B - Technical data 3.4 Purge gas specification Table 7 Purge gas specification Specification Reference data Purge gas Dry air, nitrogen, argon or other inert gases Purge gas interface 8 mm tube compression fitting Maximum allowable purge gas supply 7 bar (gauge), 100 psig, 7 x 10 pressure Minimum allowable purge gas supply 3 bar (gauge), 45 psig, 3 x 10... -
Page 20: Installation
A77010880_B - Installation 4. Installation 4.1 Installation safety CAUTION: SAFETY INSTRUCTIONS Risk of injury or damage to equipment. Follow the safety instructions and take note of all appropriate precautions. Possible hazards on the dry pumping system include electricity, process chemicals, Fomblin®... -
Page 21: Unpack And Inspect
A77010880_B - Installation 4.2 Unpack and inspect WARNING: DAMAGED PUMP Risk of injury to people or damage to equipment. Do not use the pump if it is damaged. Failure to do so can result in injury to people and/or damage to equipment. -
Page 22: Mechanical Installation
A77010880_B - Installation 4.3 Mechanical installation WARNING: HEAVY OBJECT Risk of physical injury. Use suitable equipment to lift the pump. WARNING: TRIPPING HAZARD Risk of injury or damage to equipment. Make sure that cables or pipe work attached to the pump are installed carefully to prevent a slip or trip hazard and the damage to the cable. - Page 23 A77010880_B - Installation Note: The shipping brackets that are used to attach the pump to the shipping pallet can be used for seismic restraint. The shipping brackets are designed to withstand a level 4 earthquake at a ground floor installation. Obey the instructions that follow when you install the pump: ▪...
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Page 24: Leak Test The System
A77010880_B - Installation pressure rating of the bellows must be higher than the highest pressure generated in the system. We recommend that you use the manufacturer's bellows. ▪ Install an inlet isolation valve in the pipeline between the vacuum system and the pump. -
Page 25: Connect The Electrical Supply
A77010880_B - Installation 4.5.1 Connect the electrical supply WARNING: PROTECTIVE EARTH Risk of electric shock. Make sure that the pump and electrical cables are protected against earth (ground) faults. It is recommended that a protective earth (ground) conductor (with a cross sectional area of 2.5 mm / 13 AWG be fitted to the protective earth (ground) stud. -
Page 26: Commission The Pump
A77010880_B - Commission the pump 5. Commission the pump To commission the pump: Set the external electrical supply to ON. Set the mains circuit breaker (Figure: nXLi components on page 8,item 8) to ON. Make sure that the power indicator LED (Figure: Interface control panel on page 9, item 14) illuminates. -
Page 27: Operation
A77010880_B - Operation 6. Operation 6.1 Operation safety WARNING: DAMAGED PARTS Risk of electric shock. Do not operate the pump with any parts of the enclosures removed or damaged as there can be a risk of an electric shock. WARNING: OPERATIONAL SAFETY Risk of injury or death. -
Page 28: Operational Modes
A77010880_B - Operation domestic buildings. "Group 1" is defined as equipment which does not use RF energy as an intrinsic part of operation or process. 6.2 Operational modes The pump can be controlled through: ▪ Manual control mode – with the buttons on the user interface panel ▪... -
Page 29: Auto-Run
A77010880_B - Operation ▪ ▪ Stop ▪ Normal ▪ OK signal ▪ Standby Refer to Figure: Logic interface connection on page 25 for the the control function connections. The auto‑run switch (refer to Figure: nXLi components on page 8, item 7) must be in the off position for remote operation. -
Page 30: Start The Pump
A77010880_B - Operation connector socket on the user interface panel. Refer to Figure: Interface control panel page 9, item 10. Refer to Start the pump with the digital operator on page 26 for more instructions. 6.3 Start the pump WARNING: EXHAUST PIPELINE BLOCKAGE Risk of damage to equipment. -
Page 31: Transient Overload Protection
A77010880_B - Operation Code Description U1-03 Output current (A) 6.3.2 Transient overload protection The pump has an overload protection function. If the load is more than the capacity of the pump, the pump will stop momentarily and restart automatically to operate. The cycle will repeat for a maximum 10 times. -
Page 32: Restart The Pump
A77010880_B - Operation digital operator ‑ push the stop button ▪ When the pump is set to off, the fan will operate until the pump cools down. Vent the pump through the inlet. Isolate the mains supply. 6.5 Restart the pump If the pump is shut down automatically because of high pump power make sure the pump rotates freely. -
Page 33: Maintenance And Service
7.2 Service It is recommended that the pump should be serviced every 5 years. The pump should then be returned to an Edwards Service Technology Centre. Our products are supported by a world-wide network of Service Technology Centres offering a wide range of options including: ▪... - Page 34 A77010880_B - Maintenance and service NOTICE: If we do not receive a completed HS2 form, your equipment cannot be serviced. Page 30...
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Page 35: Fault Finding
A77010880_B - Fault finding 8. Fault finding A list of fault conditions and their possible causes is given to assist in basic troubleshooting. If you are not able to correct a fault, call your supplier or your nearest manufacturer service centre for advice. Fault The pump has failed to start or has stopped Cause... -
Page 36: Alarm Indicator
A77010880_B - Fault finding Remedy Make sure that the pipework has sufficient conductance (user's responsibility) and the pump performance is not compromised. Cause There is a leak in the system. Remedy Do the leak test of the pump system in accordance with the requirements specified in Table: Performance data on page 13. -
Page 37: Storage
A77010880_B - Storage 9. Storage WARNING: HAZARDOUS SUBSTANCES Do not drain oil from the pump. Install the blanking plates to seal the vacuum inlet and outlet ports to prevent the possible oil leakage. Make sure that the pump is correctly labelled. If in doubt, contact us. Shut down the pump. -
Page 38: Disposal
A77010880_B - Disposal 10. Disposal WARNING: CONTAMINATION HAZARD Risk of toxic exposure and acid burns. Identify, contain and safely dispose of contaminated items. Dispose of the pump and any components or accessories safely. Obey all local and national safety and environmental requirements. Our products are supported by a world-wide network of Service Centres. -
Page 39: Accessories
A77010880_B - Accessories 11. Accessories Contact us for the accessories available to support your pump. 11.1 Digital operator Digital operator allows the connection to the pump controller through the XLR connection socket on the interface control panel. Table 11 Digital operator Description Item number Digital operator... - Page 40 edwardsvacuum.com...
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