Dry Vacuum Pumps
nXR60i and nXR90i
INSTRUCTION MANUAL
A90301880_B
Original instructions
edwardsvacuum.com
Page 1: ...Dry Vacuum Pumps nXR60i and nXR90i INSTRUCTION MANUAL A90301880_B Original instructions edwardsvacuum com ...
Page 2: ...content As far as practical 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 operating instructions We accept no liability for loss of profit loss of market or any other indirect or consequential loss whatsoever Product warranty and limit of liability are dealt with in our standard terms and ...
Page 3: ...009 Compressors and vacuum pumps Safety requirements Vacuum pumps EN 61010 1 2010 Safety requirements for electrical equipment for measurement control and laboratory use General requirements EN 61326 1 2013 Electrical equipment for measurement control and laboratory use EMC requirements General requirements Class A Emissions Industrial Immunity Documentation Officer Jelena Havelkova Spielberk Offi...
Page 4: ...d comply with the requirements of REACH The product manual provides information and instruction to ensure the safe storage use maintenance and disposal of the product including any substance based requirements Article 33 Declaration This product does contain Candidate List Substances of Very High Concern above 0 1 ww by article as clarified under the 2015 European Court of Justice ruling in case C...
Page 5: ...s PBDE 铸铝及铝合金制品 Aluminium alloys X O O O O O 铜管管件 Brass pipe fitting X O O O O O 铜接头 Brass connectors X O O O O O O 表示该有害物质在该部件的所有均质材料中的含量低于 GB T 26572 标准规定的限量要求 O Indicates that the hazardous substance contained in all of the homogeneous materials for this part is below the limit requirement in GB T 26572 X 表示该有害物质在该部件的至少一种均质材料中的含量超出 GB T26572 标准规定的限量要求 X Indicates that the hazardous substance co...
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Page 7: ... to gases pumped 14 3 4 Electrical data 14 4 Installation 15 4 1 Installation safety 15 4 2 Unpack and inspect 15 4 3 Mechanical installation 16 4 4 Leak test the system 18 4 5 Electrical installation 19 4 5 1 Pump voltage setting 19 4 5 2 Connect the electrical supply 20 4 6 Connection for remote control and monitoring 20 5 Commission the pump 21 6 Operation 22 6 1 Operation safety 22 6 2 Operati...
Page 8: ...e pump controller 32 7 7 Electrical safety check 32 7 8 Service indicator codes 32 7 9 Service 33 7 9 1 Return the equipment or components for service 33 8 Fault finding 34 8 1 The pump has failed to start or has stopped 34 8 2 The pump has failed to achieve the required performance 34 8 3 The pump is noisy 34 8 4 The pumping speed is poor or pump down time is too long 35 8 5 Alarm indicator codes...
Page 9: ...Figure 4 Dimensions 12 Figure 5 nXR60i Performance curve 13 Figure 6 nXR90i Performance curve 14 Figure 7 Voltage selection plate 20 Figure 8 Logic interface connections parallel control 27 Figure 9 Logic interface connections analogue speed control 27 Figure 10 Analogue speed control 28 Page 5 ...
Page 10: ... 1 2 Safety symbols The safety symbols on the products shows the areas where care and attention is necessary The safety symbols that follow are used on the product or in the product documentation Warning Caution An appropriate safety instruction must be followed or caution to a potential hazard exists Warning Heavy object Indicates the potential hazard arising from a heavy object Warning Dangerous...
Page 11: ...pressure exceeds the specified pressure the pump controller reduces the motor speed The motor speed is increased when the pressure is reduced or when the transient overload protection has recovered Refer to Table Performance data on page 13 for information on maximum inlet pressure Refer to Figure nXRi pumps on page 8 the system is supplied with either a NW40 inlet port 1 and a NW25 exhaust port 1...
Page 12: ...selection plate or cover 13 Lifting eye position 1 Inlet port 2 Dashboard or interface 3 Gas ballast 4 Levelling feet x 2 5 Castors x 2 6 15 way D type connector 7 Auxiliary connector 8 Mains circuit breaker 9 Mains connector port 10 Exhaust port 11 Protective earth stud 12 Voltage selection plate or cover 13 Lifting eye position 2 2 Pump controller The pump controller contains the drive electroni...
Page 13: ...increase indicator LED 11 Standby indicator LED 12 Run indicator LED 13 Stop button 14 Power status LED 2 3 1 Auxiliary connector socket An auxiliary control connection on the rear panel controls an optional inlet valve This inlet valve can be operated in parallel with the normal pump output signal Refer to Figure nXRi pumps on page 8 7 The valve is usually closed and will open when the normal sig...
Page 14: ...aight SACC M 8MS 4CON M Screw connection right angle SACC M 8MR 4CON M SW Solder connection right angle SACC M 8MR 4CON M 2 4 Logic interface The logic interface is designed to support the serial control the parallel control monitor and operate through one connector The pump controller can be operated through the 15 way D type logic interface connector The signals on the logic interface are contro...
Page 15: ...uto run mode 2 6 Pump controller configuration The integral pump controller monitors the power and temperature of the pump The pump controller protects the user and the pump when the pump is operated under sustained high load or in fault conditions The pump controller has the interface control panel and the pump can be operated manually with the buttons on the user interface control panel Refer to...
Page 16: ...ent type Indoor use Enclosure protection IP20 Table 4 Environmental conditions Pollution Pollution degree 2 Installation Installation category II Altitude restriction Maximum 3000 m Area of use Indoor Table 5 Mechanical data nXR60i nXR90i Mass 29 5 kg 30 kg Inlet connection NW40 Overall dimensions L x W x H 494 x 217 x 301 mm Maximum tilt angle for operation 5 Maximum tilt angle for transport 30 N...
Page 17: ...es pump performance may be compromised and the rotational speed may drop below nominal contact us if the value for your pump is more than the specified value Table 7 Sound data Declared dual number noise emission values in accordance with ISO 4871 nXR60i nXR90i Measured A weighted emission sound pressure level LpA at ultimate vacuum 1 m from the pump in free space 55 0 dB A Measured A weighted emi...
Page 18: ... are Iron Aluminium alloy Steel Fluoroelastomer seals PFPE lubricant 3 4 Electrical data Table 8 Electrical rating for continuous operation Pump Supply voltage V a c rms Phase Frequency Hz Input current A rms All variants 200 240 10 Single 50 or 60 7 0 100 127 10 Single 50 or 60 14 0 Table 9 Recommended regional supply protection Area Voltage Rating UK 230 V 10 A 250 V a c rms Europe 230 V 10 A 25...
Page 19: ... the electrical supply to prevent accidental operation Electrical supplies are potentially hazardous energy sources Lockout and tagout before you do the maintenance Obey all national and local rules and safety regulations when you install the system Tighten the cables hoses and pipework during installation to prevent a trip hazard Make sure that the installation area is clean and free from debris ...
Page 20: ... the pump is damaged 5 Check that the package has the items listed in Table Checklist of items on page 16 If any of these items are missing notify the supplier in writing within three days 6 If the pump is not to be used immediately store the pump in the conditions given in Storage on page 37 7 Do not remove the seals until the pump is ready to be installed on the vacuum system The pump is supplie...
Page 21: ...AGE Risk of injury or damage to equipment A peak pressure of 3 bar g can be generated in the pump if the exhaust or pipework attached to the exhaust are blocked WARNING HAZARDOUS SUBSTANCES Risk of explosion The pump is intended for clean applications only It is not suitable for use with hazardous production materials CAUTION INSTALLATION SAFETY Risk of injury or damage to the environment Follow a...
Page 22: ...minimum internal diameter to get maximum pump speeds Put support under the vacuum pipeline to prevent the load on the coupling joints Make sure that the pump exhaust line is not blocked as a pressure of 3 bar g can be generated in the exhaust pipework Connect the pump with appropriate pipework and fittings If necessary install flexible bellows in the system pipelines to reduce the transmission of ...
Page 23: ...ctrical regulations Refer to Table Recommended cord sets on page 39 The pump is supplied from a single phase 100 127 V a c 200 240 V a c mains supply system The branch circuit supplying the pump must be protected with a 10 A 200 240 V or 16 A 100 127 V branch circuit protection WARNING ELECTRICAL CONNECTION Risk of electric shock Make sure that the pump is switched off and not connected to the ele...
Page 24: ...e earth ground conductor with a cross sectional area of 2 5 mm2 14 AWG to the protective earth ground stud Make the electrical connection to the pump mains connector port Figure nXRi pumps on page 8 10 with an appropriate cord set Refer to Table Recommended cord sets on page 39 The pump must be grounded through the conductor of the mains input connector 4 6 Connection for remote control and monito...
Page 25: ... ON Make sure that the power indicator LED Figure Interface control panel on page 9 14 illuminates If the LED does not illuminate contact us 6 Press the start button Figure Interface control panel on page 9 1 until the run indicator LED Figure Interface control panel on page 9 13 begins to flash 7 If the dry pumping system starts and continues to operate continue at Step 8 If an alarm condition is...
Page 26: ...matically start the pump system once power is applied CAUTION CONDENSATE DEPOSITION Risk of damage to equipment Do not use the pump to pump particulates or condensate Deposition may occur within the pump which can degrade the pump performance and reduce the pump life Note The control interface is determined by the interface that starts the pump Once started the pump can only be stopped by the inte...
Page 27: ...button The pump speed will increase The increase standby indicator will remain illuminated when the pump reaches a maximum of 100 of full speed Standby speed decrease button The pump speed will decrease The decrease standby indicator will remain illuminated when the pump reaches a minimum of 50 of full speed Select and deselect the Auto run function Start or stop button 8 sec When engaged the auto...
Page 28: ... a 15 way D type logic interface connector located on the user interface panel Figure nXRi pumps on page 8 6 The logic interface connector can be plugged directly into the 200 W Turbo Instrument Controller TIC or turbo controller or Turbo and Active Gauge controller TAG A suitable connector mating half must be used not supplied to connect the nXRi pump to the customer control system Refer to and T...
Page 29: ...ut Connect to pin 2 0 V to start the pump system 4 Standby control input serial RX RS 485 A Connect to pin 2 0 V to enable standby speed when the serial enable control input is inactive 5 Serial enable control input Connect to pin 2 0 V to enable serial communications 6 RS 232 RS 485 control input Default configuration is RS 232 with pin 6 disconnected Connect to pin 2 0 V to enable RS 485 serial ...
Page 30: ...ge source must be referenced to the common control voltage of the pump control system i e pin 2 of the 15 Way D Type customer interface connector Alternatively if the NORMAL output is connected to 10 V reference output of the control system i e pin 11 of the 15 Way D Type connector a 4 7 kOhm pull up resistor is recommended to be kept in the current rating of 10 V reference rail C The FAIL output ...
Page 31: ...process control source which enables the nXRi pump to run at variable operating speeds This speed control source is an alternative to standby speed control Figure 9 Logic interface connections analogue speed control CS 1044 B 1 Analogue speed enable input 2 0 V Control reference 3 Start Stop control input 4 5 6 7 8 9 Analogue speed control input 0 10 V 10 11 10 V Analogue reference 12 13 14 Remote...
Page 32: ...l to enable the analogue speed control source Connect the analogue speed enable control input pin 1 to the 0 V control reference pin 2 Connect a suitably calibrated analogue voltage source 0 to 10 V for example DAC to the analogue speed control input pin 9 As an alternative connect the output of a potentiometer referenced to the pump reference voltage pin 11 to the analogue speed control input pin...
Page 33: ...op control input in parallel control mode use start command in serial control mode 6 Open the vacuum system isolation valve if installed 6 9 Shut down the pump CAUTION PUMP SUPPLY ISOLATION Risk of injury Do not remove the inlet connections until the pump has been allowed to stop rotating and the power and gas supply has been isolated The pump can take upto three minutes to stop completely WARNING...
Page 34: ...recommend you either keep the pump under vacuum or fill the pump with dry nitrogen to prevent condensation in the pump To keep the pump under vacuum we recommend you seal the inlet and run the pump for at least 20 seconds 6 10 Restart the pump If the pump is automatically shut down because of an alarm condition correct the alarm condition before you start the pump To restart the pump refer to Star...
Page 35: ...Inspect and clean the inlet strainer on page 31 Inspect and clean the external fan cover if required 12 No Clean the external fan grill on page 32 Replace the pump bearings 60 Yes Replace the pump bearings on page 32 Replace the pump controller 120 Yes Replace the pump controller on page 32 Electrical safety check 60 No Electrical safety check on page 32 Note The pump must be returned to the Servi...
Page 36: ...ace the pump controller The service indicator flashing ON 3s OFF 3s is activated to indicate that the pump controller must be replaced Contact us for further details To reset the service indicator refer to Table Service indicator codes on page 32 Controller replacement is not possible by the customer the pump must be returned to a Service Technology Centre for maintenance 7 7 Electrical safety che...
Page 37: ... in the equipment are hazardous which is important for the safety of our employees and all other people involved in the service of your equipment The hazard information also lets us select the correct procedures to service your equipment We provide instructions for completing the form in the Declaration of Contamination of Vacuum equipment and Components Procedure HS1 If you are returning a vacuum...
Page 38: ...ement technique or gauge head is not suitable or gives an incorrect indication of pressure Remedy Make sure that the vacuum measurement equipment is calibrated and is updated The correct gauge range must be selected for the application Contact us for further assistance on gauge selection if required Cause The vacuum fittings are dirty or damaged Remedy Make sure that the vacuum fittings are clean ...
Page 39: ...the power supply on and off If the indication is not cleared a software download may be required In this case contact us or the supplier If the alarm indicator is flashing identify the error flash code Refer to Table Flashing error codes on page 35 Note There is a sufficient off period between each subsequent cycle repetition to mark the start of a new flash sequence The duration of a long flash L...
Page 40: ...the error code appears again If it does contact us or the supplier 5 s s s s L s Self test fault Switch the power to the pump off and on and see whether the error code appears again If it does contact us or the supplier 6 s s s s s L Serial control mode interlock Re activate the serial enable and send a serial command to clear the error code Page 36 A90301880_B Fault finding ...
Page 41: ...AZARD Risk of asphyxiation Do not burn the fluoroelastomer seals tip seal material and O rings To store the pump 1 Shut down the pump Refer to Shut down the pump on page 29 2 Disconnect the pump from the electrical supply 3 Place and secure protective covers over the inlet and outlet ports 4 Store the pump in a clean and dry condition until required for use 5 When necessary prepare and install the...
Page 42: ...e network of Service Centres Each Service Centre offers a wide range of options including disposal Refer to Service on page 33 for more information Dry pump system materials suitable for recycling include cast iron steel PTFE stainless steel aluminium zinc alloy nickel mild steel ABS and polyamide Take particular care with Fluoroelastomers which may have decomposed as the result of being subjected...
Page 43: ...05VV F 3 x 1 5 mm2 300 V 70 C fitted with a BS1363 UK plug with BS1362 13 A fuse to an IEC60320 style C19 with a maximum length of 2 5 m Straight entry A50505003 Right angled entry A50505006 Cord set assembly Europe H05VV F 3 x 1 5 mm2 300 V 70 C fitted with a European Schuko VDE approved 16 A 250 V rated plug with dual earthing contact to an IEC60320 style C19 with a maximum length of 2 5 m Strai...
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