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1. START on power up switches on the Auto restart facility See 16 6 Auto restart STOP on power up switches off the Auto restart facility See 16 6 Auto restart e STOP and DIRECTION on power up allows the user to press UP and DOWN keys to toggle the sense of remote run stop control between open stop and open run STOP and UP while the pump is stopped turns the display backlight on STOP and DOWN while the pump is stopped turns the display backlight off MAX and UP sets the pump to maximum allowed speed MAX and DOWN sets the pump to minimum allowed speed DIRECTION and DOWN interrupts the display to show the pump s ROM ver sion for four seconds START pressed and held for two seconds toggles the keypad lock on and off Only the START and STOP keys are active when keypad lock is on The pad lock icon is displayed STOP pressed and held for two seconds toggles the keypad lock on and off Only the START and STOP keys are active when keypad lock is on The pad lock icon is displayed STOP STOP within half a second shortcut entry to the MemoDose menu when in MemoDose shortcut return to manual mode main screen See 17 MemobDose 14 2 Keypad functions 620SN 620S All settings and functions of the pump in manual mode are set and controlled by means of key presses Immediately after the start up dis play sequence detailed above the manual mode main screen will be displayed The currently selected
2. Upper D connector Upper D connector Connect a remote switch between pins 3 and 18 of the upper D connector Closed switch for automatic control open switch for manual control Alternatively a logic input may be applied to pin 3 of the upper D connector ground to pin 16 High input for automatic control low input for manual control 21 7 MemoDose input did dd P hdd d dbdhdh o00000000 00 0 oooooo0 oo ooo oo6oe oo000000 00 0 eo O0 Lower D connector Lower D connector Connect a momentary contact switch such as a footswitch or a handswitch between pins 8 and 9 of the lower D connector Close the switch to begin a dose This input is software debounced and functions in a similar way to the other remote inputs such as with 5V to 24V logic as shown above using pin 8 as the input and pin 20 as the OV lower D connector Note This input is software debounced so the signal can be either momentary or maintained during the dose If maintained the signal must be removed before the next dose Watson Marlow 620UN 620U 620SN 620S User Manual 65 21 8 Leak detection 00000 0J0 00000 0 o 010 00000000 0 0 DU ee eee ey Upper D connector Upper D connector 0V 12V TOMUS LN UMS 0019 0000 030 00 0 0 0000000000 0 0 Upper D connector Connect a remote leak detection device between pins 2 and 18 of the upper D con nector Closed circuit indicates a leak Alternatively a logic input may be applied to pin 2 of the
3. i NU er Fi BECA EN Watson Marlow 620UN 620U 620SN 620S pumps Contents 1 Declaration of conformity 3 16 3 Display 35 2 Declaration of incorporation 3 16 4 Outputs 36 3 Three year warranty 3 16 5 Remote stop 38 4 When you unpack your pump 4 16 6 Auto restart 39 5 Information for returning pumps 5 16 7 Set maximum allowed 6 Peristaltic pumps an overview 5 speed 40 7 Safety notes 6 16 8 Set minimum allowed 8 Pump specifications 8 speed 40 8 1 Pressure capability 13 16 9 Scrolling 41 8 2 Dimensions 14 16 10 Date and time 41 9 Good pump installation practice 15 16 11 Backlight 42 9 1 General recommendations 15 16 12 ROM 42 9 2 Do s and do not s 16 16 13 Language 43 10 Connecting this product to a 16 14 Defaults 43 power supply 17 16 15 Security code 44 11 Start up check list 18 16 16 Exit 45 12 Switching the pump on for the 17 MemoDose and calibration 45 first time 18 17 1 Changing dosing speed 46 13 Switching the pump on in 17 2 Footswitch operation and subsequent power cycles other remote inputs and if not in auto restart mode 20 outputs with MemoDose 47 14 Manual operation 21 17 3 Flow calibration 47 14 1 Keypad functions 17 4 Exit 49 620UN 620U 21 18 Pin out details 49 14 2 Keypad functions 19 Exit 50 620SN 620S 23 20 Automatic control wiring 14 3 Speed 26 using the 620N module 51 14 4 Direction 26 20 1 620N module removal and 14 5 Keypad lock 26 replacement 51 14 6 Keypad beep 26 20 2 Wiring up 52 14 7 To r
4. and the flowrate in millilitres per minute The pump also responds to remote digital inputs If the run stop input stops the pump the bottom line of the auto running screen shows Remote stop When it starts the pump again this will disappear and the pump returns to normal running mode Direction can be changed remotely in this mode If the pump is stopped because a leak is detected the screen displays LEAK DETECTED Check and reset then press Stop See 23 1 Error codes The remote status outputs operate fully in this mode How to get out of auto operation Press the AUTO MAN key or make the remote auto manual input go low 0V The pump returns to manual operation and retains the set speed and run status from its previous operation in analogue mode Watson Marlow 620UN 620U 620SN 620S User Manual 71 Emergency stop e EZr e EE e ET In an emergency press the STOP key The pump stops and displays an inter ruption screen If keypad lock is in place when STOP is pressed or if the pump is in auto mode via the digital input the interruption screen offers one key press press START to continue auto operation If keypad lock was not in place when STOP was pressed the interruption screen offers a choice Continue to continue auto operation or Manual to switch to manual mode Use the UP and DOWN keys to choose and press ENTER to confirm Watson Marlow 620UN 620U 620SN 620S User Manual 72 23
5. Peg ANM Switch on the power supply at the rear of the pump The pump runs a power on test to confirm proper functioning of the memory and hardware If a fault is found an error message is displayed See 23 1 Error codes The pump displays the Watson Marlow start up screen for four seconds fol lowed by the pump model identity screen for four seconds an example is shown here and then the manual mode main screen Note Once in the manual mode main screen keys assume their normal func tions see 15 1 Keypad in menu screens below A subsequent press on START causes the pump to operate Start up defaults are those in place when the pump was switched off last Check that the pump is set to operate as you require it The pump is now ready to operate All operating parameters may be changed by means of key presses See 14 Manual operation below Watson Marlow 620UN 620U 620SN 620S User Manual 20 14 Manual operation O UNU 14 1 Keypad functions 620UN 620U All settings and functions of the pump in manual mode are set and controlled by means of key press es Immediately after the start up display sequence detailed above the manual mode main screen will be displayed The currently select ed rotation direction is indicated on the display by a clockwise or count er clockwise segmented arrow If an exclamation mark shows it indicates that Auto restart is on If a padlock icon shows it in
6. acceptable to stack other equipment on the upper surface of the 620 as long as the ambient tem perature does not exceed 40C Emergency disconnection The pump s mains plug is the disconnecting device for isolating the motor drive from the mains supply in an emergency Do not position the pump so that it is dif ficult to disconnect the mains plug The STOP key on the keypad will always stop the pump However it is recommended that a suitable local emergency stop device is fitted into the mains supply to the pump Valves Peristaltic pumps are self priming and self sealing against backflow No valves are required in inlet or discharge lines Valves in the process flow must be opened before the pump operates Users are advised to fit a pressure relief device between the pump and any valve on the discharge side of the pump to protect against damage caused by accidental operation with the discharge valve closed The pump may be set up so that the direction of rotor rotation is clockwise or count er clockwise whichever is convenient Tubing materials run in advice Sta Pure Chem Sure and Marprene TM tubing are hard to compress when new When using tubing made of these materials the first five pumphead revolutions should be at a speed of 10rpm or greater If the pump is run slower the safety system built into pump drive s software may cause it to stop and display an over current error message Pressure advice In most circumstanc
7. making sure that there is no twisting through its length Locate the other end of the tubing into the upper port U clamp Hold both ends of the tubing in one hand maintaining tension around the retracted rollers Engage the rollers Watson Marlow 620UN 620U 620SN 620S User Manual 80 Close the guard and push it against the track until the latch engages Ensure that continuous tubing is not loosely clamped at the pumphead ports Ensure that when the pump is re started all of the rollers have re engaged A roller which has not re engaged will click continuously No damage will occur if this happens but the roller should be re engaged manually using the 5mm Allen key See 23 Troubleshooting 26 8 620RE 620RE4 and 620R tube element or continuous tube removal Unlock the guard and disengage the rollers Disconnect the tubing from the external pipeline Remove the tubing from the pumphead 26 9 620RE 620RE4 and 620R maintenance Scheduled maintenance The stainless steel pumping rollers run on sealed bearings and do not require lubrication Remove the rotor and lubricate the follower rollers and roller engaging mecha nisms with a lithium based grease This should be carried out every six months for intermittent duties and every three months for 24 hour duties e If fluid is spilled inside the pumphead flush the pumphead out with water and mild detergent as soon as possible If specific cle
8. rotation direction is indicated on the display by a clockwise or count er clockwise segmented arrow If an exclamation mark shows it indicates that Auto restart is on If a padlock icon Q shows it indi cates that Keypad lock is on A brief single press on each key triggers a beep sound if enabled see 14 6 Keypad beep and causes the pump to function as follows START starts the pump at the speed and in the direction shown on the dis Watson Marlow 620UN 620U 620SN 620S User Manual 23 play The rotation symbol will become animated to confirm that the pump is operating 2650_ 1782 pp 9 0 8 If the pump is running when START is pressed it causes the information shown on the manual mode main screen to cycle from revolutions per minute to flowrate in millilitres per minute via a warning screen if flowrate has not been calibrated and if this is the first cycle since power up to rpm and flowrate An example is shown here MAX while pressed MAX operates the pump at the maximum allowed speed and in the direction shown on the display When released the pump returns to its previous status Note Priming can be achieved by pressing the MAX key until fluid flows through the pump and reaches the point of discharge and then releasing the MAX key STOP if the pump is running pressing STOP stops the pump The display will continue to show the previous speed and direction The pump will return
9. EEC BS EN 60204 1 Responsible person Christopher Gadsden Managing Director Watson Marlow Limited Falmouth Cornwall TR11 4RU England Telephone 44 0 1326 370370 Fax 44 0 1326 376009 The information in this user guide is believed to be correct at the time of publica tion However Watson Marlow Limited accepts no liability for errors or omissions Watson Marlow Bredel has a policy of continuous product improvement and reserves the right to alter specifications without notice This manual is intended for use only with the pump it was issued with Earlier or later models may differ The most up to date manuals appear on the Watson Marlow website http www wat son marlow com 3 Three year warranty Watson Marlow Limited warrants subject to the conditions below through either Watson Marlow Limited its subsidiaries or its authorised distributors to repair or replace free of charge any part of this product which fails within three years of deliv ery of the product to the end user Such failure must have occurred because of defect in material or workmanship and not as a result of operation of the product other than in accordance with the instructions given in this manual Conditions of and specific exceptions to the above warranty are Tubing and 620R 620RE and 620RE4 rotors are consumable items and are excluded Products must be returned by pre arrangement carriage paid to Watson Marlow Limited its subsid
10. Ensure that the recommendations in section 9 Good pump installation practice are followed 12 Switching the pump on for the first time Note This manual uses bold type to highlight the active option in menu screens English in the first screen represented here The active option appears on the pump display in Seis text i ema SRB ewm Eri Switch on the power supply at the rear of the pump The pump runs a power on test to confirm proper functioning of the memory and hardware If a fault is found an error message is displayed See 23 1 Error codes The pump displays a language menu Use the UP and DOWN keys to select your language Press the ENTER key to confirm your choice The information which follows assumes that your choice was English Watson Marlow 620UN 620U 620SN 620S User Manual 18 When the language is chosen this menu will not appear again and all menus will appear in the language you chose Language can be reset as described later See 16 13 Language The pump displays the Watson Marlow start up screen for four seconds fol lowed by the pump model identity screen for four seconds an example is shown here and then the manual mode main screen The rotation symbol on the display indicates clockwise rotation The default speed setting is 165rpm but 265rpm is available see 16 7 Set maximum allowed speed Other initial start up operational parameters are listed in th
11. TM Bioprene TM USGPM 0 1 0 001 0 002 0 001 0 001 265 2 6 4 1 2 2 D 620 Pumpsil silicone USGPM 0 1 0 0003 0 001 0 001 0 001 0 001 0 002 0 001 0 001 265 0 8 19 De 239 2 7 4 3 2 3 3 0 O Watson Marlow 620UN 620U 620SN 620S User Manual 8 28 Continuous tubing product codes 620R 902 0064 032 902 0096 032 902 0127 032 902 0159 032 903 0064 032 903 0096 032 903 0127 032 903 0159 032 913 0064 032 913 0096 032 913 0127 032 913 0159 032 184 960 0064 032 960 0096 032 960 0127 032 960 0159 032 920 0064 032 920 0096 032 920 0127 032 920 0159 032 950 0064 032 950 0096 032 950 0127 032 950 0159 032 9 6 12 7 15 9 73 82 184 970 0064 032 970 0096 032 970 0127 032 970 0159 032 Watson Marlow 620UN 620U 620SN 620S User Manual 965 0064 032 965 0096 032 965 0127 032 965 0159 032 Watson Marlow 620UN 620U 620SN 620S User Manual 29 LoadSure tube element product codes 620RE and 620RE4 Chem Sure 965 0120 SST 965 0170 SST Bioprene TL 903 0120 PFT 903 0170 PFT Pumpsil 913 0120 PFT 913 0170 PFT silicone Marprene TL 902 0120 PPC 902 0170 PPC Neoprene 920 0120 PPC 920 0170 PPC Note P for 4 bar use 91 520AF 624AF 520AH 520ANC 520ANX 520ANA 520AB 624AV 624AS 624AFN 624AL 620AL Footswitch with 25 pin D connector Footswitch bare lead Handswitch with 25 pin D
12. UP and DOWN keys to choose 0 1 0 5 1 0 2 0 5 0 or 10 0 Press ENTER to confirm your choice The pump returns the user to the third screen of the Setup menu Note If the maximum allowed speed has been set to a figure which is not a multi ple of the chosen increment the last active press on UP raises the speed to that maximum rather than to the next multiple of the chosen increment Similarly if the pump is running at a speed which is not a multiple of the chosen increment the first press on UP raises the speed to the next multiple of the chosen increment 16 10 Date and time The pump s real time clock can be set with the date and time In the third screen of the Setup menu select Date time using the UP and DOWN keys Press ENTER to confirm your choice The pump displays any pre vious setting e If the setting displayed is correct press ENTER The pump redisplays the third screen of the Setup menu If you wish to change the setting use the UP and DOWN keys to enter the current date two digits month three letters year four digits hour minute and second all two digits pressing ENTER to confirm each one When ENTER is pressed to confirm the seconds the pump redisplays the third screen of the Setup menu Watson Marlow 620UN 620U 620SN 620S User Manual 41 16 11 Backlight The pump s display can be illuminated or not according to choice e In the third screen of the Setup menu sel
13. fitted into the rotor Do not force the rotor into position The rotor will slide into place easily if cor rectly aligned Secure the rotor with the hexagonal locating bolt complete with washer to a nominal torque of 10Nm using a 5mm Allen key The rotor bolt which is impregnated with Loctite 218 thread lock should be Subjected to a maximum of three removals relocations before renewal To avoid rotor bolt renewal after three removals apply Loctite 222 thread lock to the rotor thread before relocation This is critical to ensure prolonged secure loca tion of the rotor hub to the drive shaft Failure to complete this action will invalidate the terms and conditions of the warranty Replace the rotor cover When closing the guard check it does not make contact with the rotor If it does the rotor has been fitted incorrectly Re open the guard remove and refit the rotor and close the guard Watson Marlow 620UN 620U 620SN 620S User Manual 83 26 10 620RE 620RE4 and 620R CIP and SIP General Unlock the guard and disengage the rollers within the tube zone Close the guard and squeeze against the track until the latch clicks Observe a 1m safety area CIP LoadSure tube elements and continuous tubing can be cleaned using CIP processes Ensure that the tubing material is chemically compatible with the cleaning agent that is to be used e If cleaning agents are spilled over the
14. number Not been used If the product has been used please complete all the following sections If the product has not been used please just sign this form I understand that the personal data collected will be kept confidentially in accordance with the UK Data Protection Act 1998 Please print out sign and fax to Watson Marlow Pumps at 44 1326 376009 RGA number Your position Date Watson Marlow 620UN 620U 620SN 620S User Manual 94
15. polyurethane grade jacket with resistance to oils fuels solvents and water For convenience of wiring more than 8 conductors per cable may be awkward to handle Only two appear in the illustrations here for clarity LI NM NM v am um j ee r Use a 19mm spanner to unscrew the sealing plug Discard the nylon sealing washer Screw in one of the supplied M16x1 5 cable glands in place of the plug using the new nylon sealing washer supplied Tighten the gland to 2 5Nm to ensure a seal using a 21mm spanner If a different gland is used it must be watertight to IP66 Loosen the gland cap do not remove it and pass the cable in through the gland When it has passed through the gland continue to push the cable through The inside of the module is shaped to guide the cable past the printed circuit board inside Continued pushing will feed in enough cable to grip inside the module with the fingers e Pull through sufficient cable to reach the connectors required Leave a little slack e Strip the outer sheath as necessary and remove 5mm of insulation from the Watson Marlow 620UN 620U 620SN 620S User Manual 53 conductors No tinning or ferrule is required Note If very stiff or large diame ter cable is used it may be convenient to strip the outer sheath before passing the cable s conductors through the gland However to ensure a seal cable with an undamaged sheath must be present within the gland whe
16. pumphead wash down immediately Ensure that controlled waste pipework is fitted to allow a safe release of clean ing agent in the event of a tube failure SIP e Only STA PURE tube elements can be used in a steam in place sterilisation processes STA PURE tubing elements can be sterilised to 3A Class two and FDA minimum recommended standard which is 121C 250F at 1bar 14 5 psi saturated steam for 20 minutes Monitor the process continuously If a tube failure occurs shut down the process Do not touch the pumphead until a 20 minute cooling period has been observed Ensure a 20 minute acclimatisation period is observed before running the pump following SIP Ensure that controlled waste pipework is fitted to allow a safe release of steam in the event of a tube failure Ensure a 1m safety zone is maintained around the pumphead during SIP cycles Watson Marlow 620UN 620U 620SN 620S User Manual 84 26 11 620RE 620RE4 and 620R pumphead spares 20000990C gt aA x S s e DO CXCXOCXIACXCE M Watson Marlow 620UN 620U 620SN 620S User Manual 85 Spare 063 4211 000 063 4231 000 063 4431 000 1 069 4101 000 2 MR2052C 2 MR2053B 2 MR2054T 2 SG0021 2 CX0150 3 MRA3020A 4 MRAO249A 4 MRAO250A 5 MR2027T 6 MR2028M 7 MR2018T 8 MR2055M 9 MR2021B 10 MR2002M 11 MR2096T 12 MRAO320A 12 MRAO321A 12 MRAO322A 14 XX0220 15 MR2029T 16 MR2059T 17 FN0488 18 FN0523
17. put in place to protect against injury to persons The exterior surfaces of the pump may get hot during operation Do not take hold of the pump while it is running Let it cool after use before handling it No attempt should me made to run the drive without a pumphead fitted The pump weighs more than 18kg the exact weight depends on model and pump head see 8 Pump specifications Lifting should be performed according to standard Health and Safety guidelines Finger recesses are built into the sides of the lower shell for convenience in lifting in addition the pump can conveniently be lifted by grasping the pumphead and where fitted the 620N module at the rear of the pump Watson Marlow 620UN 620U 620SN 620S User Manual 7 8 Pump specifications Labels fixed to the rear of the pump contain manufacturer and contact details prod UN SN uct reference number serial number and model details Manufacturer Distributor details Serial number Model and Product reference The same information is carried on the drive s backplate accessible when the 620N module is removed The picture below is how a 620SN looks from the box The num ber of connectors varies according to the model Wateon Mariow Bradel Pumpa 104F Fur Fasurs a E 40C Falmouth Coral TA11 4A UK Boston BOO 2828823 Cnet Ad 5C BL 4iF MARLOW Tel 44 0 1326 370370 Brussels vy pahli B EAR ARA Dusseldert 2183 42040 Fax edge chp Paris 02 37 38
18. relay as required and configure the pump s software accordingly See below in this section Note The maximum rating on the relay contacts of this pump is 30VDC maximum load 30W Output 1 and output 2 are available in two formats From pins 10 and 11 lower D connector as 5V TTL signals From pins 10 and 11 upper D connector as open collector logic outputs Output 3 and output 4 provide open collector logic outputs from pins 13 and 12 upper D connector respectively A supply voltage from the pump 5V 10V 12V or user supplied up to 30V to pin 22 upper D connector provides the voltage level for these logic status outputs Watson Marlow 620UN 620U 620SN 620S User Manual 36 a e In the first screen of the Setup menu select Outputs using the UP and DOWN keys Press ENTER to confirm your choice The pump displays a screen allowing you to configure each of the four outputs or to exit this menu Use the UP and DOWN keys to choose and press ENTER to confirm your decision If Output 1 is chosen the pump displays the six options Selecting General Leak or Head using the UP and DOWN keys and con firming the choice by pressing ENTER configures that option to Output 1 displays a confirmation screen and returns the user to the Output selection screen Selecting Run Stop Direction or Auto Man using the UP and DOWN keys and confirming the choice by pressing ENTER displays screens allowing the user
19. signal range within within 4 20mA 0 10V or 1 5V Program Select Program using the UP or DOWN keys and press ENTER to confirm The pump offers two choices mA and V 0 10V Use the UP or DOWN keys to make a selection and press ENTER to confirm your decision Lj a The pump displays a screen allowing you to set the speed for low signal input 4mA or OV Use the UP and DOWN keys to scroll the display to your chosen speed and press ENTER to confirm the figure Watson Marlow 620UN 620U 620SN 620S User Manual 34 The pump displays a screen allowing you to set the speed for high signal input 20mA or 10V Use the UP and DOWN keys to scroll the display to your chosen speed and press ENTER to confirm the figure If a mistake is made the user may press STOP at any point in the sequence before pressing ENTER on the high signal speed screen and the pump displays the previous screen The final press on ENTER causes the pump to configure the hardware and programmed response data It briefly displays a confirmation screen and a warning that the analogue signal is not trimmed and returns the user to the Analogue setup menu Example values are shown here O UNU 16 2 2 Trim Trim displays the Trim menu described above See 16 1 Trim It is recommended that a trim calibration is always performed to align the pump s response to the actu al process analogue signal 16 2 3 Menu Menu returns the use
20. the pump on for the first time 21 9 4 Logic output 4 0000000000 0 0 0000000000 0 0 Upper D connector Upper D connector Output 4 is taken from pin 12 of the upper D connector depending on the logic state of the function assigned to Output 4 Alternatively a load such as a relay coil may be connected to pin 12 ground to pin 17 Current will flow through the circuit depending on the logic state of the function assigned to Output 4 Do not connect to any device requiring more than 50mA By default output 4 is configured to indicate General alarm status See 12 Switching the pump on for the first time Watson Marlow 620UN 620U 620SN 620S User Manual 69 21 10 Supply voltages 5V 1 22 5V Lower D connector In the table below Max load is the maximum total load on each supply irrespec tive of the number of connections Voltage supply for inputs using remote switch Possible voltage supply for outputs if only 5V is required Pin 9 is specifically used for footswitch handswitch operation 5V 10mA 9 19 23 18 19 Possible voltage supply for inputs using remote switch Possible voltage supply for outputs Voltage supply for Watson Marlow Tube Monitor leak detector Part voltage supply 12V also need ed for the Watson Marlow proximity switch 12V 10mA 25 21 Part voltage supply 12V also need 12V 10mA 24 ed for the Watson Marlow proximity switch Voltage supply for the 620N wash 22 5
21. to contact moving parts This symbol used on the pump and in this manual means Recycle this product under the terms of the EU Waste Electrical and Electronic Equipment WEEE Directive Fundamental work with regard to lifting transportation installation starting up maintenance and repair should be per formed by qualified personnel only The unit must be isolated from mains power while work is being carried out There is a user replaceable type T5A H 250V fuse in the fuseholder in the centre of the switchplate at the back of the pump The 620N module must be removed if a 620UN or 620SN to allow access to the switchplate See 20 1 620N module removal and replacement There are thermal fuses within the pump which self reset within 60 seconds if they trip an error code is displayed This pump contains no user serviceable fuses or parts Watson Marlow 620UN 620U 620SN 620S User Manual 6 Any person who is involved in the installation or periodic maintenance of this equip ment should be suitably skilled or instructed and supervised using a safe system of work In the UK this person should also be familiar with the Health and Safety at Work Act 1974 There are moving parts inside the pumphead Before opening the tool unlockable fixed guard ensure that the following safety directions are fol lowed Ensure that the pump is isolated from the mains power Ensure that there is no pressure in the pipeline
22. to this speed and direction when the START key is pressed again STOP is also used in the MemoDose facility while calibrating the pump and setting the maximum speed UP increases the speed shown on the display in minimum steps of O 1rpm or other steps as pre selected in the Scrolling section of the Setup menu unless the speed displayed is already the maximum allowed speed If the pump is then started by pressing the START key it will operate at the new speed If the pump is running when UP in pressed the change takes effect immediately Note If the pump s flow rate has been calibrated see 17 3 Calibration after a speed change a screen showing the new rpm figure and the new flowrate is displayed for four seconds before returning the user to the previously set man ual mode main screen rpm or flowrate DOWN decreases the speed shown on the display in minimum steps of O 1rpm or other steps as pre selected in the Scrolling section of the Setup menu If the pump is then started by pressing the START key it operates at the new speed The minimum speed possible is O 1rpm If the pump is running when DOWN is pressed the change takes effect immediately Note If the pump s flow rate has been calibrated see 17 3 Calibration after a speed change a screen showing the new rpm figure and the new flowrate is displayed for four seconds before returning the user to the previously set man ual mode main screen rpm or flowrate Note You ca
23. upper D connector ground to pin 15 High input indicates a leak Connect a Watson Marlow leak detector in the same way drawing 12V to power it from pin 21 of the upper D connector Connect the cable of a Watson Marlow Tube monitor leak detector as follows Blue 15 Yellow 2 Red 21 Note Use only a Watson Marlow 620 series tube monitor Watson Marlow 620UN 620U 620SN 620S User Manual 66 21 9 Pump status outputs 21 9 1 Logic output 1 ee oe S 00000000000 0 Upper D connector Upper D connector 5V TTL OV 00000000 oo0o00000 00 9 0 09 Lower D connector Output 1 is taken from pin 10 of the upper D connector depending on the logic state of the function assigned to Output 1 Alternatively a load such as a relay coil may be connected to pin 10 ground to pin 17 Current will flow through the circuit depending on the logic state of the function assigned to Output 1 Do not connect to any device requiring more than 50mA Additionally output 1 is available as a 5V TTL logic signal on pin 10 of the lower D connector It will change state corresponding to the logic state of the function assigned to Output 1 Do not connect to any device requiring more than 1 TTL load By default output 1 is configured to indicate Run Stop status See 12 Switching the pump on for the first time Watson Marlow 620UN 620U 620SN 620S User Manual 67 21 9 2 Logic output 2 O O O OJO O O O OJO ooo0o0oo0o0000000
24. 0 10V or 1 5V or a current analogue signal within the range 4 20mA or a remote potentiometer using the 10V supply at J7 The analogue process signal must be applied to the i p ter minal of the Analogue 1 connector J5 Ground to the OV terminal of the same connector The pump will provide an increasing flow rate for a rising control signal non inverted response or an increasing flow rate for a falling control sig nal inverted response See 16 2 Analogue in the Setup menu 4 20mA circuit impedance 2500 For voltage modes a stable reliable voltage source can be used with a DC voltmeter Circuit impedance 22kQ Inverting the response is set up in software Do not invert the polarity of the termi nals A remote potentiometer with a nominal value of between 1k and 2k with a minimum of 0 25W should be wired between the ter J5 J7 minals of the Rem pot connector J7 and the i p terminal of the Analogue 1 connector J5 When using a remote potentiometer do not apply a voltage or cur rent control input signal at the same time The speed control OV 10V signal will require calibration relative to the minimum and maximum settings of the potentiometer This is done in soft J7 ware See 16 1 Trim in the Setup section When using a remote potentiometer it is important to set the analogue input to volt age in the Setup menu Otherwise the reference voltage supply from the Rem pot connector will be ov
25. 19 FN0581 20 FN0620 21 TTOOO6 22 MAO017 Watson Marlow 620UN 620U 620SN 620S User Manual escription 620R MarkII pumphead 620RE MarkII pumphead 620RE4 MarkII pumphead 620RTC continuous tubing clamp set Oddie fastener Clip Oddie retainer Oddie washer Oddie spring Oddie circlip snap ring Track assembly Roller assembly element pumphead Roller assembly continuous pumphead Controlled waste threaded fitting 620R RE RE4 Controlled waste port blanking plug Hinge pin Rotor cover Seal guard Guard without latch and seal Controlled waste threaded fitting locking nut Rotor assembly 2 roller element Rotor assembly 4 roller element Rotor assembly 2 roller continuous Key metal Cased drive MG605 shaft rotor hub spacer Adaptor Bodine white polypropylene ring Cased drive track locating screws M6x10 Close coupled track locating screws M6x20 Rotor locating washer M6 Rotor locating bolt M6 x 25 5mm Allen key Magnet 86 27 620RE 620RE4 and 620R performance data Pumping conditions All performance figures in this operating instruction have been recorded against peak pipeline pressures This pump is rated to 4 bar 58psi peak pressure when fitted with a 620RE or 620RE4 pumphead using high pressure tubing However it will generate in excess of 4 bar 58psi peak pressure if the pipeline is restricted Where it is important that 4 bar 58psi is not exceeded pressure relief valves should be installe
26. 2 Warning not to use pumps in patient connected applications Warning These products are not designed for use in and should not be used for patient connected applications 33 Publication history m 620un u sn s gb 01 qxp Watson Marlow 620UN 620U 620SN 620S First published 10 05 Watson Marlow 620UN 620U 620SN 620S User Manual 93 UN U sN s 34 Decontamination certificate In compliance with the UK Health and Safety at Work Act and the Control of Substances Hazardous to Health Regulations you are required to declare the sub stances which have been in contact with product s you return to Watson Marlow or its subsidiaries or distributors Failure to do so will cause delays Please ensure that you fax us this form and receive an RGA Returned Goods Authorisation before you despatch the product s A copy of this form must be attached to the outside of the packaging containing the product s Please complete a separate decontamination certificate for each product You are responsible for cleaning and decontaminating the product s before return Your name Address Postcode zip Telephone Product type To speed the repair please describe all known faults The product has Names of chemicals handled with product s Precautions to be taken in handling these chemicals Action to be taken in the event of human contact Signature Been used Company Country Fax Serial
27. 92 03 aes EENEI Aiohmdam 010 457 1689 HE E T65 Members of Tha Spirax Saneo Bar UF I II Jl TII HUNE al D 5275 57 55 T HI Engineering Group HEEL l l ICETETETETTETETMLEE ICTITITITITITITT ACO ft 10000000000 25 i LLLI ETT MEET a yee 060 413N 020 B amp 205NH R PUMP 2Z85RPM IPB 115 230V 1PH 50 60Hz D051716 Manufacturer Serial number Distributor details Model Product reference 620UN IP66 NEMA 4X model and 620U IP31 model This pump can be controlled from the keypad or remotely It features Manual control Speed adjustment run and stop direction control max key for rapid prim ing Remote control The pump can be digitally controlled with a contact closure or logic input signal to operate the pump Analogue control The pump speed can be controlled through an analogue signal input in the ranges 0 10V 1 5V or 4 20mA Watson Marlow 620UN 620U 620SN 620S User Manual 8 Outputs A 0 10V 4 20mA or 0 1258Hz output signal provides feedback of the pump speed There are four digital 620U or relay 620UN status outputs which can be configured in software for a variety of pump parameters MemoDose Allows precise repeat dosing Stores in memory a pulse count from the motor This count is repeated each time START is pressed to provide a single shot dose Calibration Uses the same pulse count as MemoDose The corresponding pumped volume can be entered to calibrate the flow of the pump Guard
28. For pumping duties of 0 2 bar pressure use standard hardness elements or the standard range of continuous peristaltic pump tubing Viscosity handling is maximised by using hard Marprene Bioprene or Sta Pure tube elements in the pumphead Ensure that there is always a minimum of one metre of smooth bore flexible tubing connected to the discharge port of the pumphead This will help minimise any impulse losses and pulsation in the pipeline This is especially important with viscous fluids and rigid pipework 26 4 620RE 620RE4 and 620R pump installation A correctly engineered installation will promote the best possible tube life so please ensure that the following guidelines are followed Avoid tight pipeline bends pipe reducers and excessive lengths of smaller bore tubing than that in the pumphead particularly in pipelines on the suction side Ensure that connecting pipe work and fittings are suitably rated to handle the predicted pipeline pressure If rigid pipe work comes in close proximity to the pumphead a drop out section of pipe work will simplify tube replacement Ensure that the controlled waste blanking plug is in position if the controlled waste port is not in use See below It is advisable to use controlled waste pipe work if pumping hazardous aggres sive or abrasive fluids or products which will harden in contact with air Connect waste pipe work to the waste port using the coupling adapt
29. If a tube failure has occurred ensure that any fluid in the pumphead has been allowed to drain to a suitable vessel container or drain Ensure that protective clothing and eye protection are worn if hazardous fluids are pumped Primary operator protection from rotating parts of the pump is provided by the pumphead fixed guard Note that guards differ depending on the type of pumphead See the pumphead section of this manual 29 Secondary operator protection from rotating parts of the pump is provided by indicator only switching of the pumphead guard This function will stop the pump if the guard is inadvertently opened while the pump is running For details of permissible pumphead orientations see the pumphead section of this manual 26 This pump must be used only for its intended purpose The pump must be accessi ble at all times to facilitate operation and maintenance Access points must not be obstructed or blocked The pump s mains plug is the disconnecting device for iso lating the motor drive from the mains supply in an emergency Do not position the pump so that it is difficult to disconnect the mains plug Do not fit any devices to the drive unit other than those tested and approved by Watson Marlow Doing so could lead to injury to persons or damage to property for which no liability can be accept ed If hazardous fluids are to be pumped safety procedures specific to the particular fluid and application must be
30. N keys and press ENTER to confirm your choice a The Pin out details menu Make a selection using the UP or DOWN keys and press ENTER to confirm your choice The information on pin outs duplicates the details described in this instruction man ual under Automatic control wiring Watson Marlow 620UN 620U 620SN 620S User Manual 49 The screens available are all presented in a similar manner For example on select ing Analogue input the following screen is displayed This indicates that the analogue input signal must be applied to pin 4 of the lower D connector at the rear of the pump where O0 volts is available on pin 16 If the ana logue input is configured for a 4 20mA signal the maximum permitted voltage is 5 volts if the analogue input is configured for a 0 10V or 1 5V signal the maximum permitted voltage is 10 volts The information available on selecting Supply and Others is presented on two screens each Pressing DOWN when the first screen of each is displayed causes the second screen to appear UP performs a similar function Pressing STOP or ENTER in any Pin out information screen returns the user to the appropriate Pin out menu screen To leave the Pin out menu screens Cycle through the Pin out menu screens until the fifth screen is displayed Select Exit using the UP or DOWN keys and press ENTER to confirm your choice Alternatively Repeatedly press STOP to go back level by level until the
31. Pumps are supplied as Dedicated 620R pump drive unit fitted with 620R 620RE or 620RE4 pumphead see 8 Pump specifications A 620N module providing pump ingress protection to IP66 NEMA 4X if a 620UN or 620SN Note the module is attached for transit but must be removed to allow wiring up voltage selection and fuse inspection and then re affixed before the pump is operated The designated mains power lead for your pump PC readable CDROM containing these operating instructions Quick Start manual Note Some versions of this product will include components different from those listed above Check against your purchase order Watson Marlow 620UN 620U 620SN 620S User Manual 4 Storage This product has an extended shelf life However care should be taken after storage to ensure that all parts function correctly Users should be aware that the pump con tains a battery with an unused life of seven years Long term storage is not recom mended for peristaltic pump tubing Please observe the storage recommendations and use by dates which apply to tubing you may wish to bring into service after stor age 5 Information for returning pumps Equipment which has been contaminated with or exposed to body fluids toxic chemicals or any other substance hazardous to health must be decontaminated before it is returned to Watson Marlow or its distributor A certificate included at the rear of these operating instructions or
32. Troubleshooting If the pump display remains blank when the pump is on make the following checks Check the position of the voltage selector switch at the rear of the pump Check the mains power switch at the rear of the pump Check that mains power is available to the pump Check the fuse in the fuseholder in the centre of the switchplate at the rear of the pump Check the fuse in the mains power plug if one is present If the pump runs but there is little or no flow make the following checks Check that the tube and rotor are in the pumphead Check that fluid is supplied to the pump Check that the tube is not split or burst Check for any kinks or blockages in the lines Check that any valves in the lines are open Check that the correct wall thickness tube is being used Check direction of rotation Check that the rotor is not slipping on the drive shaft Watson Marlow 620UN 620U 620SN 620S User Manual 73 23 1 Error codes If an internal error occurs a flashing error screen is displayed Note Signal out of range Over signal No signal and Leak detected error screens report the nature Condition gt g E a JI of an external signal They do not flash RAM write error RAM corruption OTP ROM error corruption OTP ROM read error Unknown pump type Display failure Wrong key press Motor stalled Tacho fault Speed error Over current Over voltage Under voltage Watchdog erro
33. V d 20 down module Do not use Reference voltage for remote poten 10V 21 tiometer speed control Do not use as a general supply voltage Note All DC supplies are stabilised except the 22 5V Watson Marlow 620UN 620U 620SN 620S User Manual 70 22 Automatic control and operation Check that the pump is ready to run before selecting automatic operation Remote control signals may start the pump without warning How to get into auto operation E Press the AUTO MAN key to select automatic operation or apply a high signal 5V to 24V to the remote auto manual input The pump responds to the analogue signal as soon as this is done and shows the AUTO icon In this mode the pump is automatically switched into auto restart mode and displays the icon The only keys active are STOP AUTO MAN and DIRECTION If the remote direction input is active and the direction enable link is applied the DIRECTION key is disabled If keypad lock is set only STOP is active The pump displays whichever of two auto running screens is appropriate according to the previously selected auto mode 4 20mA or 0 10V The auto running screens display four pieces of information the speed at which the pump will rotate after receiving a low signal 4mA or OV the speed at which the pump will rotate after receiving a high signal 20mA or 10V the set speed that is the speed at which the pump is currently rotating according to the analogue speed signal
34. a code has been set but forgotten it is still possible to access the Setup screens to cancel the code or reset it to another three digit number Contact your supplier or Watson Marlow Technical support for the bypass sequence 16 16 Exit GENE CUu In the fifth screen of the Setup menu Exit is highlighted Press ENTER The user is returned to the main menu 17 MemoDose and calibration Note This menu area also gives access to flow rate calibration Each time the pump is started by pressing START it records the number of pump head revolutions which occur until STOP is pressed The number of revolutions is proportional to the volume of fluid which has been dispensed the dose The MemoDose facility allows the user to repeat dose a precise volume of fluid To do so a quantity of fluid must be dispensed as the master dose which the MemoDose facil ity can repeat exactly or proportionately To dispense a master dose c ES z gt ta e In the manual mode main screen set the appropriate pump speed and direc tion using the UP or DOWN keys and the DIRECTION key An example is shown here A slower speed may make it easier for the user to measure accu rately though it may not represent the duty condition Place a suitable measuring vessel under the pump delivery tube Press START The pump runs and fluid is pumped into the vessel When the required volume of fluid has been dispensed it is necessary to stop th
35. alf a second if you wish to exit MemoDose and return to manual operation 17 1 Changing dosing speed The user must exit MemoDose in order to change pump speed After returning to MemoDose the pump dispenses the previous dose size at the new speed Q Press the STOP key twice within half a second The pump displays the manual mode main screen Do not start the pump Doing so erases the previously recorded master dose and replaces it in the pump s memory with the current unmea Watson Marlow 620UN 620U 620SN 620S User Manual 46 sured dose Adjust the speed showing on the display using the UP or DOWN keys Press the STOP key twice within half a second to return to MemoDose The dis play shows the previous percentage dose size The pump will dose at the new speed Note To retain the MemoDose value through a power interruption the pump must be in auto restart mode The dosing cycle will resume at the start of a dose and wait for START to be pressed with the MemoDose percentage screen displayed See 16 6 Auto restart 17 2 Footswitch operation and other remote inputs and outputs with MemoDose A footswitch can be used to trigger MemoDose dispensing as a hands free alterna tive to pressing START To operate MemoDose with a footswitch briefly press the footswitch while the MemoDose percentage screen is displayed The remote run stop input is operational If a dose is interrupted by a remote stop signal t
36. andswitch between the 5V terminal and the i p ter minal of the Dose i p connector J3 Close the switch to begin a dose This input is software debounced and func tions in a similar way to the other remote inputs such as with 5V to 24V logic as shown above using the i p ter minal and the OV terminal Note This input is software debounced so the signal can be either momentary or maintained during the dose If maintained the signal must be removed before the next dose 20 10 Leak detection input Connect a remote leak detection device between the Tube monitor 12V terminal and the i p terminal on the Tube monitor connector J9 Closed circuit indicates a leak Alternatively a logic input may be applied to the i p ter minal ground to the OV terminal High input indicates a leak Connect the cable of a Watson Marlow Tube monitor leak detector as follows Blue J9 OV terminal Yellow J9 i p terminal Red J9 12V terminal Terminate the screen in the 620N module with a 360 EMC gland if required See 20 2 Wiring up Note Use only Watson Marlow 620 series tube monitors Watson Marlow 620UN 620U 620SN 620S User Manual 58 20 11 Outputs 1 2 3 4 Note Relay 1 J14 is represented here Relay 2 Relay 3 and Relay 4 J15 J16 and J17 function identically Connect your output device to the c common terminal of your chosen relay connector and either the n c terminal or the n o terminal normally closed or normally op
37. aning agents are required to clean the spillage please consult Watson Marlow Technical Support Office before proceeding in order to confirm chemical compatibility e If the rotor needs to be removed refer to the guidelines below Roller adjustment 620 pumpheads have provision for adjustment to reset the roller track gap to com pensate for wear after extended service in arduous applications Roller track gaps can only be accurately judged without tubing in the pumphead The gap should be 4 6mm for 3 2mm wall tubing and 5 5mm for LoadSure ele ments If the gap is more than 0 2mm greater than these dimensions the following may be carried out Note the number on the roller arm to which the engraved line on the hexagon headed main roller pin corresponds Remove the circlip snap ring and roller pin Relocate the main roller pin resetting the engraved line to one number lower For example if the engraved line was at 1 reset it to 2 to reduce the roller track gap Watson Marlow 620UN 620U 620SN 620S User Manual 81 Ensure the roller pin is correctly seated into the roller arm thrust washer Replace the circlip Rotor removal Remove the rotor cover by hand and the central locating bolt using a 5mm Allen key Pull the rotor off the keyed shaft Do not use tools to lever the rear face of the rotor away from the inner face of the track it should come off by hand Track removal Remove the r
38. asured volume of fluid pumped Press ENTER to confirm The pump calculates the volume of fluid pumped for each pumphead revolu tion The value from this calculation is saved for use in manual mode displays The pump displays a confirmation screen for four seconds and returns the user to the manual mode main screen with millilitres per minute shown The pump can now display millilitres per minute revolutions per minute or both Press the START key while the pump is running to cycle though the three display options Note Always recalibrate after changing pump tubes fluid or any connecting pipework It is also recommended that the pump is recalibrated periodically to main tain accuracy Watson Marlow 620UN 620U 620SN 620S User Manual 48 17 4 Exit To return to the manual mode main screen select Exit using the UP and DOWN keys Confirm by pressing STOP 18 Pin out details Selecting Pin out details from the main menu causes the pump to display an infor mation screen and then its preset pin and voltage details under 17 headings Analogue input Analogue output Tacho output Run Stop input Direction enable input Direction input Leak input Auto Man toggle Dose input Output 1 Output 2 Output 3 Output 4 Supply voltages O volts availabili ty Functional earth and Others No user input is available in this section it dis plays information only In the main menu select Pin out details using the UP or DOW
39. atio Supply voltage frequency Maximum voltage fluctuation Installation category overvoltage category Power consumption Full load current Eprom version Enclosure rating 620UN 620SN Enclosure rating 620U 620S Pumphead options Operating temperature range Storage temperature range Maximum altitude Humidity non condensing 620U 620S Humidity condensing 620UN 620SN Weight Noise Protect from prolonged UV exposure Watson Marlow 620UN 620U 620SN 620S User Manual 0 1 265rpm 2650 1 Filtered 100 120V 200 240V 50 60Hz iph 10 of nominal voltage A well regulated electrical mains supply is required along with cable connections conforming to the best practice of noise immunity II 250VA 1 1A at 230V lt 2 2A at 115V Accessible through pump software IP66 to BS EN 60529 Equivalent to NEMA 4X to NEMA 250 indoor use Suitable for heavy industrial process and filthy environments The drive uses a Gore membrane vent to equalise the pressure inside the enclosure and to prevent ingress of water and corrosive vapours IP31 to BS EN 60529 Equivalent to NEMA 2 suitable for indoor use Protected against dripping water and falling dirt May be wiped with a damp cloth but should not be immersed 620R 620RE 620RE4 5C to 40C 41F to 104F 25C to 65C 13F to 149F 2 000m 6 560ft 80 up to 31C 88F decreasing linearly to 50 at 40C 104F 10 100 RH See table on
40. c tion or with the switch open the pump will default to run ning To change or set the sense of the run stop input see 16 5 Remote stop in the Setup menu 20 7 Direction input Direction Direction i p enable link J6 To enable remote direction control and disable the DIRECTION SHIFT 1 key on the keypad link the terminals of the Direction enable link connector J6 Important Apply no voltage whatever to the Direction enable link Connect a remote switch between the 5V terminal and the i p terminal of the Direction i p connector J2 Open switch for clockwise rotation closed switch for counter clock wise rotation Alternatively a logic signal may be applied to the i p terminal and the OV terminal of the Direction i p connector J2 Low input for clockwise rotation high input for counter clockwise rotation With no connection the pump defaults to clockwise rotation Watson Marlow 620UN 620U 620SN 620S User Manual 57 20 8 Auto manual toggle input Connect a remote switch between the 5V terminal and the x i i p terminal of the Auto man i p connector J1 Closed Auto man lip switch for automatic control open switch for manual control Alternatively a logic input may be applied to the i p terminal of the Auto man i p connector ground to the OV terminal High input for automatic control low input for manual control 20 9 MemoDose input Dose i p Connect a momentary contact switch such as a footswitch or a h
41. calibration point Apply 50 of the maximum process control signal While the signal is being applied press ENTER to record the signal as a calibration point If a mistake is made press STOP at any point in the sequence and the pump displays the previous screen The final press on ENTER causes the pump to display a confirmation screen and then redisplay the screen from which it entered the trim sequence the Setup menu or the Analogue setup menu The pump calculates a linear response from low to mid and from mid to high and records the results as a new analogue input calibration graph If any of the three signals match a warning screen is displayed before the confir mation screen appears and the trim is ignored Note By applying the maximum process control signal when the minimum is requested and vice versa inverted responses can be set up Note Resetting factory defaults clears the trim calibration values 16 2 Analogue When the pump is under remote control it tracks an analogue signal from the user s remote control system to the i p terminal of the Analogue 1 connector at the rear of the pump within the ranges 4 20mA 0 10V or 1 5V The Analogue option in the Setup menu allows the user to configure the pump to operate with his remote con trol system When the pump is under remote control it tracks an analogue signal from the user s remote control system to pin 4 of the lower D connector at the rear of the pump
42. confirm your choice A screen is displayed inviting the user to set a new code or if a code is already set cancel it Use the UP and DOWN keys to choose Set new code or Cancel code If no code is in place no option to cancel a code will be displayed Press ENTER to confirm your decision If Cancel code is chosen security protection is removed and the user is returned to the fourth Setup screen If Set new code is chosen the pump displays a screen with three blank spaces for digits and the instruction Enter new code Use the UP and DOWN keys to make your choice of the digits 0 9 for the first digit Press ENTER to confirm Repeat for the second digit Repeat for the third digit The final press on ENTER causes the pump to display a similar three digit entry screen and the instruction Confirm code Repeat the digit entry sequence e If the second three digit code entered differs from the first the pump will briefly display an error message and redisplay the first digit entry screen e If the codes tally the pump will briefly display a confirmation message and redisplay the fourth Setup screen Access to the Setup menus is now protected by the new security code e If STOP is pressed during code entry the pump returns the user to the fourth Setup screen If STOP is pressed during code confirmation the pump returns the user to the first digit entry screen Watson Marlow 620UN 620U 620SN 620S User Manual 44 Note If
43. connector Network cable RS232 with 9 pin D connectors Network extension cable with 9 pin D connectors Network adaptor 25 pin to 9 pin D connector Batch records cable with 9 pin D connectors Proximity switch for 624AS filling stand Stainless steel filling stand for 624AFN filling needles Filling needle set 3 sizes Filling needle for 8 0mm bore tubing Filling needle for 12 0mm bore tubing Filling needle for 16 0mm bore tubing Dispensing lance for use with 624AFN filling needles Tube monitor with 25 pin D connector Tube monitor bare lead Leak detector kit bare lead 059 3002 000 069 5231 000 059 3022 000 059 3121 000 059 3122 000 059 3123 000 059 3125 000 069 5271 000 069 5001 000 069 5101 000 069 5100 080 069 5100 120 069 5100 160 069 5251 000 059 4501 520 059 450N 520 069 7131 000 Watson Marlow 620UN 620U 620SN 620S User Manual _un u sn s 30 620 series pumping accessories ompatibili 620U 620Du 620Di 620UN 620DuN 620DiN 620U 620Du 620Di 620Du 620Di 620Du 620Di 620Di 620UN 620DuN 620DiN All models All models All models All models All models All models 620U 620Du 620Di 620UN 620DuN 620DiN 620UN 620DuN 620DiN 92 UN U SNS 31 Trademarks Watson Marlow Bioprene Pumpsil and Marprene are trademarks of Watson Marlow Limited Fluorel is a trademark of 3M Sta Pure and Chem Sure are trademarks of W L Gore and Associates 3
44. control wiring without the 620N module Interfacing the pump with other devices is by means of three D connectors at the rear of the pump There are two 25 way D connectors The top one is male the bottom one is female Mating female and male connectors screened for EMC com patibility must be conventionally soldered to screened control cables Logic Logic output output Signal 1 Logic 4 Logic Upper D connector Signal 5V VAUX Commoning terminals ground 22 5V used for voltage supply OV for logic outputs Analogue TTL Direction 4 20mA Tacho l output 1 Dose enable or 0 10V frequency Functional TTL earth output 2 Lower D connector 12V reference 5y Signal ground 0V Recommended control cable 7 strands 0 2mm 24AWG screened circular up to 25 core The cable screen should be earthed either through the functional earth pin on the D connector pin 1 on the upper male 25 way D connector pin 13 on the lower female 25 way D connector or through the metalwork of the socket or plug This pump passes all EMC compatibility requirements with up to 25m 82ft of the cable type specified above Beyond this distance it is the user s responsibility to ensure the pump s safe and reliable operation under remote and automatic control Do not strap the control and mains power cables together The OV lines on this pump are mains transformer isolated from ground floating ground It can be connected to isolate
45. ctors are connected to a tub ing system using Tri clamps and EPDM gaskets Hold the connector end of the supply or discharge tube against the element connector with an EPDM gasket between them Use a Tri clamp to engage both flanges squarely close it and tighten Watson Marlow 620UN 620U 620SN 620S User Manual 79 LoadSure industrial elements which have black connectors are connected to a tubing system using cam lock cam and groove fittings e Push the female fitting over the element connector e Pull both cam levers closed until they engage 26 7 620R continuous tube loading 620R continuous tubing pumpheads are factory set to accept Watson Marlow 600 series 3 2mm wall tubing Pumping performance will be adversely affected if Watson Marlow tubing is not used Select the tube clamp set which is correct for the tubing size to be used Locate the two U shaped track clamp halves into the pumphead ports The U shape ensures correct loading Locate the corresponding guard clamp halves which have raised T locating sections into the slots on the inner guard face above and below the guard hinge Push and slide into their locked position Closing the guard will align the two halves of the clamp around the tubing Disengage the rollers Locate one end of the tubing into the lower port U clamp and hold firmly in position Wrap the tubing tightly around the retracted rollers
46. d 2k with a minimum of 0 25W should be wired as shown When using a remote potentiometer do not apply a voltage or current control input signal at the same time The speed control signal will require calibration relative to the minimum and maximum settings of the potentiometer This is done in software see 16 1 Trim in the Setup section When using a remote potentiometer it is important to set the analogue input to volt age in the Setup menu Otherwise the reference voltage supply from pin 21 will be overloaded and will not provide a full 5V or 10V Watson Marlow 620UN 620U 620SN 620S User Manual 62 21 2 Speed analogue output oo0o000000000 0 OG oo00000000 00 909 1 Lower D connector An analogue output signal is available as a OV 10V signal on pin 2 of the lower D connector Ground to pin 15 The voltage is fixed and directly proportional to the pumphead rotation speed OV zero speed 10V maximum speed 21 3 Tachometer frequency output oo000000 00 00 B E 00000000000 1 Lower D connector A tachometer frequency output is available on pin 1 of the lower D connector Ground to pin 14 It provides a 5V square wave pulse maximum 0 5mA the fre quency of which is directly proportional to pumphead rotation speed It provides 5 578 Hz rpm 334 pulses per output shaft revolution The pulse train from the pump can be used to calculate the speed of rotation or to determine the number of pumphead revolutions This o
47. d OV or grounded OV interfaces The TTL transistor transistor logic outputs 1 and 2 used here are composed of two states nominally OV and 5V but in practice 0 4V lt 16mA and 2 4 5V 0 4mA They are not suitable for driving relays If a relay is to be driven by the TTL signal it must be done as described under Logic output 1 4 below Watson Marlow 620UN 620U 620SN 620S User Manual 61 21 1 Speed analogue input Signal 0V Analogue Remote input potentiometer o0oo0000000 00 0 O O 0 o o o o o 000000000000 O 00 0 09 0 0 9 0 O O 1 21 17 Lower D connector Lower D connector It is possible to control the speed of the pump remotely by one of these methods a voltage analogue signal within the ranges 0 10V or 1 5V or a current analogue signal within the range 4 20mA or a remote potentiometer The analogue process signal must be applied to pin 4 of the lower D connector OV to pin 16 The pump will provide an increasing flow rate for a rising control signal non inverted response or an increasing flow rate for a falling control signal invert ed response See 16 2 Analogue in the Setup menu 4 20mA circuit impedance 2500 For voltage modes a stable reliable voltage source can be used with a DC voltmeter Circuit impedance 22kQ Inverting the response is set up in software Do not invert the polarity of the pins A remote potentiometer with a nominal value of between 1k an
48. d in the pipeline Viscosity handling is maximised by using 4 0mm wall LoadSure elements with the 620RE and 620RE4 pumpheads Flow rates are normalised test values obtained using new tubing with the pumphead rotating clockwise pumping water at 20C with negligible inlet and discharge pressures Actual flow rates achieved may vary because of changes in temperature viscosity inlet and discharge pressures system configuration and tubing perform ance against time Flow rates may also vary due to normal manufacturing tolerances of the tubing These tolerances will make flow rate variance more pronounced at smaller bore sizes For precise and repeatable performance it is important to determine flow rates under operating conditions for each new piece of tubing 620R family pumpheads flow rates are directly proportional to rotor speed If you wish to run the pump at a speed not shown in the tables below flow figures can be reached by dividing the maximum flow shown in the tables below by the maximum rpm figure and multiplying the result by your required speed in rpm In normal circumstances rotor and tube life are maximised if the pumphead is run slowly particularly when pumping at high pressure However to maintain performance at pressures above 2 bar avoid running the pumphead below 50rpm If low flow high pressure operation is necessary switching to a smaller tube is recommended Sta Pure and Marprene TM tubing are hard to compress whe
49. di cates that Keypad lock is on Note A number of the controls listed below are shortcuts to commands which are also available through the Main menu See 15 Main menu A brief single press on each key triggers a beep sound if enabled see 14 6 Keypad beep and causes the pump to function as follows START starts the pump at the speed and in the direction shown on the dis play The rotation symbol will become animated to confirm that the pump is operating 2650 1782 bE 9 6 If the pump is running when START is pressed it causes the information shown on the manual mode main screen to cycle from revolutions per minute to flowrate in a choice of units via a warning screen if flowrate has not been calibrated and if this is the first cycle since power up to rpm flowrate and Run time An example is shown here The default can be altered from within the Setup menu see 16 3 Display MAX while pressed MAX operates the pump at the maximum allowed speed and in the direction shown on the display When released the pump returns to its previous status Note Priming can be achieved by pressing the MAX key until fluid flows through the pump and reaches the point of discharge and then releasing the MAX key Watson Marlow 620UN 620U 620SN 620S User Manual 21 AUTO MAN toggles the pump into analogue control When started the pump runs at the speed set by any analogue signal applied to the pump and in the di
50. doubt about the compatibility of a tube material and the duty fluid request a Watson Marlow tube sample card for immersion trials Watson Marlow 620UN 620U 620SN 620S User Manual 16 _un u sn s 10 Connecting this product to a power supply A well regulated electrical mains supply is required along with cable connections conforming to the best practice of noise immunity It is not recommended to site these drives alongside dirty electrical mains supplies such as 3 phase contactors and inductive heaters without special attention being paid to unacceptable mains borne noise The voltage selector is mounted in the switchplate at the rear of the pump protected from water by the 620N module 620DUN The module must be removed to allow access to the switchplate See 20 1 620N module removal and replacement Set the voltage selector to 115V for 100 120V 50 60Hz supplies or 230V for 200 240V 50 60Hz supplies Always check the voltage selector switch before con necting the mains supply Make suitable connection to an earthed single phase mains electricity supply Power cable The pump is supplied fitted with either of two cable glands and approximately 2 8m of power cable The European cable is to Harmonised code HO5RN F3G0 75 used with our gland part number SL0128 which is suitable for an outside cable sheath diameter of 4 7mm The north American cable is to type SJTOW 105C 3 18AWG VW 1 used with our gland part number SLO123 which i
51. e table below Language Speed Direction Pumphead Tube size Calibration Backlight Keypad lock Auto restart Pump status Beeper Manual screen Security code Not set 165rpm Clockwise 620R 15 9mm 620R 15 9mm tube On Off Off Stopped On rpm Not set Analogue input User trim Remote stop Scrolling increment Output 1 Output 2 Output 3 Output 4 4 20mA None Open run 0 1rpm Run Stop Direction t Auto Man General alarm Note The settings shown above for Run Clockwise rotation and Auto are those in force on initial start up for the functions available on Output 1 Output 2 and Output 3 respectively For example a high signal on Output 2 indicates clockwise rotation These can be exchanged later according to user requirements Note High is equivalent to the common and normally open contacts of the relay on the adapter board being closed Keypad lock Off Language Not set Speed 165rpm Auto restart Off Direction Clockwise Pump status Stopped Pumphead 620R Beeper On Tube size 15 9mm Manual screen rpm Calibration 620R 15 9mm tube Scrolling increment O0 1rpm Backlight On OUNUSNS The pump is now ready to operate according to the defaults listed above All operating parameters may be changed by means of key presses See 14 Manual operation Watson Marlow 620UN 620U 620SN 620S User Manual 19 13 Switching the pump on In subsequent power cycles if not in auto restart mode
52. e mains power at the rear of the pump Hold down the STOP key and turn the mains power switch on The symbol does not appear Watson Marlow 620UN 620U 620SN 620S User Manual 39 16 7 Set maximum allowed speed The maximum allowed speed of the drive defaults to 165rpm It is possible to set this limit at any speed down to irpm as long as the minumum allowed speed is at least 1rpm less or up to 265rpm however see 8 1 Pressure capability for use above 165rpm F3 MEL REL 165 1 265 1 165 br In the second screen of the Setup menu select Set max speed using the UP and DOWN keys Press ENTER to confirm your choice The pump displays a screen allowing the user to set the maximum speed of the pump equal to or lower than the maximum available Use the UP and DOWN keys to set the maximum allowed speed and press ENTER to confirm the fig ure The pump returns the user to the second screen of the Setup menu via a warning screen requiring the user to press ENTER if he selected a speed greater than 165rpm Note Maximum allowed speed limits speed under manual or analogue control 16 8 Set minimum allowed speed The minimum allowed speed of the drive defaults to Orpm It is possible to set this limit at any speed up to 264rpm as long as the maximum speed is at least 1rpm greater in 84 Be ea In the second screen of the Setup menu select Set min speed using the UP and DOWN keys Press ENTER to confir
53. e pump and display the MemoDose screen This can be achieved in several Ways 1 Press the STOP key twice within half a second The pump stops and immediately displays the MemoDose screen OR 2 Press the STOP key once The pump stops This may make it easier to ensure that the quantity of fluid that has been dispensed is sufficiently precise Then press the STOP key twice within half a second The pump displays the MemoDose screen Watson Marlow 620UN 620U 620SN 620S User Manual 45 OR 3 620UN 620U Press the STOP key The pump stops Press the MENU key Use the UP or DOWN keys to select MemoDose Press ENTER to con firm The pump displays the MemoDose screen OR 4 620SN 620S Press the MemoDose key To repeat the dose um C 8 tim The pump has recorded the number of pumphead revolutions required to dis pense the master dose If the volume of fluid in the measuring vessel is the volume required press START to repeat the dose e If the volume of fluid in the measuring vessel differs from the volume required the percentage may be adjusted within the limits 1 to 999 of the master dose Use the UP or DOWN keys to alter the percentage Press START to dis pense the new dose The display counts down as the dose proceeds and stops when the dose is complete e If STOP is pressed during dosing the pump stops and returns the user to the MemobDose percentage screen Press the STOP key twice within h
54. ect Backlight using the UP and DOWN keys Press ENTER to confirm your choice The pump displays a screen allowing the user to switch the display backlight on or off Use the UP and DOWN keys to choose On or Off and press ENTER to confirm the decision The pump returns the user to the third screen of the Setup menu The display is now illuminated or not according to the user s decision Alternatively To turn the backlight off press STOP and DOWN together To turn the backlight on press STOP and UP together 16 12 ROM The pump can display its software version model number and pump speed e In the third screen of the Setup menu select ROM using the UP and DOWN keys Press ENTER to confirm your choice The pump displays the software version model number and the maximum set pump speed for four seconds an example is shown here then returns the user to the third screen of the Setup menu It also displays a checksum CHK 123 for example This may be required if reporting pump performance to the Watson Marlow service department Alternatively Press DIRECTION and DOWN together to interrupt the display and show the pump s ROM version for four seconds Watson Marlow 620UN 620U 620SN 620S User Manual 42 UN UO 16 13 Language The pump can be set to operate in several languages In the fourth screen of the Setup menu select Language using the UP and DOWN keys Press ENTER to confirm your cho
55. en as required Configure the pump s software accordingly See 16 4 Outputs By default Relay 1 is configured to indicate Run Stop status Relay 2 is configured to indicate Direction status Relay 3 is configured to indicate Auto man status Relay 4 is configured to indicate General alarm status See 12 Switching the pump on for the first time 20 12 Supply voltages An appropriate voltage supply is available where required on each connector In addition supplies may be drawn from the Spare supplies connector J12 In the table below Max load is the maximum total load on each supply irrespec tive of the number of connections Watson Marlow 620UN 620U 620SN 620S User Manual 59 5V 10mA 12V 10mA 12V 10mA 10V from J7 Voltage supply for inputs using remote switch Possible voltage supply for out puts if only 5V is required Possible voltage supply for inputs using remote switch Possible voltage supply for out puts Voltage supply for Watson Marlow Tube Monitor leak detec tor Part voltage supply 12V also needed for the Watson Marlow proximity switch Part voltage supply 12V also needed for the Watson Marlow proximity switch Reference voltage for remote potentiometer speed control Do not use as a general supply volt age Note All DC supplies are stabilised Watson Marlow 620UN 620U 620SN 620S User Manual Spare supplies 5V 12V 12V J12 60 21 Automatic
56. er up switches off the Auto restart facility See 16 6 Auto restart STOP and UP while the pump is stopped turns the display backlight on e STOP and DOWN while the pump is stopped turns the display backlight off DIRECTION and DOWN interrupts the display to show the pump s ROM ver sion for four seconds MAX and UP sets the pump to maximum allowed speed MAX and DOWN sets the pump to minimum allowed speed START pressed and held for two seconds toggles the keypad lock on and off Only the START and STOP keys are active when keypad lock is on The pad lock icon is displayed STOP pressed and held for two seconds toggles the keypad lock on and off Only the START and STOP keys are active when keypad lock is on The pad lock icon is displayed STOP STOP within half a second shortcut entry to the MemoDose menu when in MemoDose shortcut return to manual mode main screen See 17 MemoDose Watson Marlow 620UN 620U 620SN 620S User Manual 25 14 3 Speed To change the running speed Use the UP and DOWN keys to change the pump s running speed within limits of the minimum allowed speed and the maximum allowed speed The minimum speed possible is 0 1rpm Note You can reduce the pump speed from 0 1 rpm to O rpm by a further press on the DOWN key The pump is still in the running state and the rotation symbol will continue to move Press the UP key to return the pump to the min imum speed No
57. erloaded and will not provide a full 5V or 10V Watson Marlow 620UN 620U 620SN 620S User Manual 55 20 4 Speed analogue output An analogue voltage output signal is available on the Tacho output connector J11 between the V Tacho o p terminal and the OV terminal The voltage is direct ly proportional to the pumphead rotation speed OV zero speed 10V maximum allowed speed There is no mA output on this terminal for the 620UN This is available on the 620DuN 20 5 Tachometer frequency output A tachometer frequency output is available on the Tacho output connector J11 between the freq terminal and the OV terminal It provides a 5V square wave pulse maximum 0 5mA the frequency of which is directly proportional to pumphead rotation speed It provides 5 578 Hz rpm 334 pulses per output shaft revolution The pulse train from the pump can be used to calculate the speed of rotation or to determine the number of pumphead revolutions This output has the required strength to be effective up to 3m from the pump Longer cable runs require signal amplification Watson Marlow 620UN 620U 620SN 620S User Manual 56 20 6 Run stop input Run stop i p Remote run stop connect a remote switch between the i p terminal and the 5V terminal of the Run stop i p connector J4 Alternatively a logic input may be applied to the i p terminal ground to the OV terminal High input stops the pump low input runs the pump With no conne
58. es rotor and tube life are maximised if the pumphead is run slowly particularly when pumping at high pressure However to maintain performance at pressures above 2 bar avoid running the pumphead below 50rpm If low flow high pressure operation is necessary switching to a smaller tube is recommended Watson Marlow 620UN 620U 620SN 620S User Manual 15 9 2 Do s and do not s Do not build a pump into a tight location without adequate airflow around the pump Do ensure that when the 620N watertight module is fitted the seals are intact and properly located Ensure that the holes for cable glands are properly sealed to main tain the IP66 NEMA 4X rating Do not strap the control and mains power cables together Do keep delivery and suction tubes as short and direct as possible though ideally not shorter than 1m and follow the straightest route Use bends of large radius at least four times the tubing diameter Ensure that connecting pipework and fittings are suitably rated to handle the predicted pipeline pressure Avoid pipe reducers and lengths of smaller bore tubing than the pumphead section particularly in pipelines on the suction side Any valves in the pipeline not usually needed must not restrict the flow Any valves in the flow line must be open when the pump is running Do use suction and delivery pipes equal to or larger than the bore of the tube in the pumphead When pumping viscous fluids use pipe runs with a bore se
59. eset defaults 27 20 3 Speed analogue input 55 14 8 To reset language 27 20 4 Speed analogue output 56 14 9 Backlight 27 20 5 Tachometer frequency 14 10 Auto restart 27 output 56 14 11 Manual operation and remote 20 6 Run stop input 57 digital inputs and outputs 28 20 7 Direction input 57 15 Main menu 29 20 8 Auto manual toggle 15 1 Keypad functions in input 58 menu screens 29 20 9 MemoDose input 58 15 2 Main menu entry 29 20 10 Leak detection input 58 16 Setup 31 20 11 Outputs 1 2 3 4 59 16 1 Trim 32 20 12 Supply voltages 59 16 2 Analogue 33 21 Automatic control wiring 16 2 1 Input 1 speed 34 without the 620N module 61 16 2 2 Trim 35 21 1 Speed analogue input 62 16 2 3 Menu 35 21 2 Speed analogue output 63 Watson Marlow 620UN 620U 620SN 620S User Manual 1 21 3 Tachometer frequency 26 5 620RE 620RE4 and 620R output 63 general operation 78 21 4 run stop input 64 26 6 620RE and 620RE4 21 5 Direction input 64 tube element loading 79 21 6 Auto manual toggle 26 7 620R continuous input 65 tube loading 80 21 7 MemoDose input 65 26 8 620RE 620RE4 and 620R 21 8 Leak detection input 66 tube element or 21 9 Pump status outputs 67 continuous tube removal 81 21 9 1 Logic output 1 67 26 9 620RE 620RE4 and 620R 21 9 2 Logic output 2 68 maintenance 81 21 9 3 Logic output 3 69 26 10 620RE 620RE4 and 620R 21 9 4 Logic output 4 69 CIP and SIP 84 21 10 Supply voltages 70 26 11 620RE 620RE4 and 620R 22 Automatic control and operation 71 pump
60. eviously set man ual mode main screen rpm or flowrate Note You can reduce the pump speed from O 1rpm or any other minimum displayed unit of speed as selected in the Scrolling section of the Setup menu to Orpm by a further press on the DOWN key The pump is still in the running state and the rotation symbol will continue to move Press the UP key to return the pump to the minimum speed Note If a minimum allowed speed has been set in the Set Min Speed section of the Setup menu the above note on speed reduction to Orpm does not apply DIRECTION toggles the direction of rotation shown on the display If the pump is then started by pressing the START key it rotates in the new direc tion If the pump is running when DIRECTION is pressed the change takes effect immediately ENTER is used to enter confirm numeric and menu selections Also cycles the information shown on the manual mode main screen exactly as START does whether the pump is running or not See START above MENU causes the main menu to be displayed from which all aspects of pump setup can be controlled including the MemoDose facility See 15 Main menu Watson Marlow 620UN 620U 620SN 620S User Manual 22 Keypress combinations cause the pump to function as follows Note A number of the controls listed below are shortcuts to commands which are also available through the Main menu See 15 Main menu UP and DIRECTION on power up toggles the keypad beep on and off
61. h at the rear of the pump Depress the UP and DIRECTION keys while switching on the mains power switch at the rear of the pump Watson Marlow 620UN 620U 620SN 620S User Manual 26 14 7 To reset defaults All settings can be re set to factory defaults Turn off the mains power switch at the rear of the pump Press the DIRECTION key while switching on the mains power switch at the rear of the pump A warning screen is displayed briefly followed by a screen asking the user to confirm that factory defaults are to be reset Select Yes or No using the UP and DOWN keys Confirm by pressing ENTER If Yes was confirmed the pump resets all user settable data to default values and displays the manual mode main screen If No was confirmed no change is made and the manual mode main screen is displayed The language of display screens may be reset only by resetting defaults 14 8 To reset language The language of display screens is set on initial start up To reset language reset all defaults see 14 7 To reset defaults 14 9 Backlight To turn the display backlight on Depress the STOP and UP keys together To turn the display backlight off Depress the STOP and DOWN keys together See 16 11 Backlight 14 10 Auto restart This pump offers an auto restart feature When active on power loss it will restore the pump when power returns to the operating state it was in when power was lost It does not operate
62. he dose will continue from where it stopped when the state is changed to run Remote direction control is disabled The leak detection input is operational All sta tus outputs are operational Note The keypad lock feature is particularly useful to prevent inadvertent dose changes while using the MemoDose facility Keypad lock continues to operate in MemoDose if previously enabled it can also be enabled while in MemoDose mode See 14 5 Keypad lock 17 3 Flow calibration The pump can display flowrate in millilitres per minute as well as speed in revolu tions per minute O Sto In the manual mode main screen set the appropriate pump speed and direc tion using the UP or DOWN keys and the DIRECTION key A slower speed may make it easier for the user to measure accurately though it may not rep resent the duty condition Watson Marlow 620UN 620U 620SN 620S User Manual 47 Place a suitable measuring vessel under the pump delivery tube Press START The pump runs and fluid is pumped into the vessel The volume pumped is not important but the greater the volume the more accurate the flow per revolution calculation will be We suggest that the pumphead be run for at least 10 revolutions and at least 20 when small bore pumping tube is used When a volume of fluid has been dispensed it is necessary to stop the pump and display the Calibration dose screen This can be achieved in several ways 1 Pre
63. he pump redisplays the first screen of the Setup menu 16 4 Outputs The 620UN pump offers four relay status outputs See 12 Switching the pump on for the first time for initial start up defaults Each of six parameters can be configured to any output or more than one output The 620U pump offers four digital status outputs See 12 Switching the pump on for the first time for initial start up defaults Each of six parameters can be configured to any output or more than one output The parameters are Run stop Provides a status output to indicate whether the pumphead is in a running or stopped condition When running at Orpm the run stop output indicates run ning Direction Provides a status output to indicate which direction the pump is set to run in Auto man Provides a status output to indicate whether the pump is in analogue control mode or manual control mode General alarm Provides an alarm output when any system error condition occurs except leak detected analogue signal out of range analogue over signal analogue no sig nal Leak detected When used with a leak detector this output provides an alarm when the pump has been automatically switched off following tube failure Head Provides an alarm when the pumphead guard is open If it is running the pump will stop Outputs 1 4 are available as single pole change over relay contacts Relay 1 2 3 and 4 Connect to the normally open or normally closed contacts of the
64. head spares 85 23 Troubleshooting 73 27 620RE 620RE4 and 620R 23 1 Error codes 74 performance data 87 24 Drive maintenance 75 27 1 620RE 620RE4 and 620R 25 Drive spares 75 flow rates 88 26 620RE 620RE4 and 620R 28 620R tubing product codes 90 pumpheads 76 29 620RE and 620RE4 LoadSure 26 1 620RE 620RE4 and 620R tube element product codes 91 Key safety information 76 30 Pumping accessories 92 26 2 620RE 620RE4 and 620R 31 Trademarks 93 safe guarding 76 32 Warning not to use pumps in 26 3 620RE 620RE4 and 620R patient connected applications 93 pumping conditions 77 33 Publication history 93 26 4 620RE 620RE4 and 620R 34 Decontamination certificate 94 pump installation 77 Watson Marlow 620UN 620U 620SN 620S User Manual 2 1 Declaration of conformity C C This declaration was issued for Watson Marlow 620UN 620U 620SN and 620S pumps on September 19 2005 When this pump unit is used as a stand alone pump it complies with Machinery Directive 98 37 EC Low Voltage Directive 73 23 EC EMC Directive 89 336 EC a This pump is ETL listed ETL control number 3050250 Cert to CAN CSA W std C22 2 No 61010 1 Conforms to UL std 61010A 1 See 8 Pump specifications 2 Declaration of incorporation When this pump unit is to be installed into a machine or is to be assembled with other machines for installations it must not be put into service until the relevant machinery has been declared in conformity with the Machinery Directive 98 37
65. iaries or its authorised distributor All repairs or modifications must have been made by Watson Marlow Limited its subsidiaries or its authorised distributors or with the express permission of Watson Marlow Limited its subsidiaries or its authorised distributors Products which have been abused misused or subjected to malicious or acci dental damage or electrical surge are excluded Watson Marlow 620UN 620U 620SN 620S User Manual 3 Warranties purporting to be on behalf of Watson Marlow Limited made by any person including representatives of Watson Marlow Limited its subsidiaries or its distributors which do not accord with the terms of this warranty shall not be binding upon Watson Marlow Limited unless expressly approved in writing by a Director or Manager of Watson Marlow Limited 4 When you unpack your pump Unpack all parts carefully retaining the packaging until you are sure all components are present and in good order Check against the components supplied list below Packaging disposal Dispose of packaging materials safely and in accordance with regulations in your area The outer carton is made of corrugated cardboard and can be recycled Inspection Check that all components are present Inspect components for damage in transit If anything is missing or damaged contact your distributor immediately Components supplied 620UN 620U 620SN and 620S pumps are dedicated to 620R series pumpheads
66. ice In the next screen choose a language using the UP and DOWN keys Press ENTER to confirm your choice The pump redisplays the fourth Setup screen in your chosen language All screens will subsequently appear in your chosen lan guage 16 14 Defaults All the pump s user set data can be reset to factory defaults FM LICET a In the fourth screen of the Setup menu select Defaults using the UP and DOWN keys Press ENTER to confirm your choice A warning is displayed for four seconds and the pump asks the user to confirm that factory defaults are to be reset Use the UP and DOWN keys to choose Yes if you wish the pump to reset all user set data back to factory defaults see 12 Switching the pump on for the first time or No if you do not wish to do this Press ENTER to confirm your decision If Yes was chosen the pump resets its factory defaults and redisplays the fourth Setup screen If No was chosen the pump makes no changes to its setup and redisplays the fourth Setup screen Watson Marlow 620UN 620U 620SN 620S User Manual 43 O UNU 16 15 Security code Access to the pump s Setup menu can be restricted to those who correctly enter a three digit security code See 16 Setup The code must first be set Code confirmed Repeat Code code entry sequence rejected to confirm In the fourth screen of the Setup menu select Security code using the UP and DOWN keys Press ENTER to
67. ion of the remote run stop switch to operate as open stop you must connect pin 7 to 19 lower D connector to be able to start the pump from the keypad See 20 6 Run stop injput If STOP is pressed the remote run stop switch will have no effect You cannot invert the remote direction signal Watson Marlow 620UN 620U 620SN 620S User Manual 28 15 Main menu UN U SN S 15 1 Keypad functions in menu screens In addition to their functions in other operations the following keys have specific actions in menu screens STOP In general STOP functions as a go back key taking the user up one menu level without making a change UP The UP key is used in menu item selection it moves a highlight up the menu When a numerical entry screen is displayed pressing UP increases the number displayed DOWN The DOWN key is used in menu item selection it moves a highlight down a menu When a numerical entry screen is displayed pressing DOWN decreases the number displayed ENTER The ENTER key functions in a similar way to the enter key of a per sonal computer it confirms key presses made immediately before In menu item selection it triggers the action or display selected from a menu using the UP and DOWN keys Note Confirmation screens are displayed for 4 seconds While they are displayed a single press on any key removes them 15 2 Main menu entry The MENU key displays the main menu and stops the pump if i
68. ively seals the tube when it is inactive No valves are needed The principle may be demonstrated by squeezing a soft tube between thumb and finger and sliding it along fluid is expelled from one end of the tube while more is drawn in at the other Animal digestive tracts function in a similar way Watson Marlow 620UN 620U 620SN 620S User Manual 5 Suitable applications Peristaltic pumping is ideal for most fluids including viscous shear sensitive corro sive and abrasive fluids and those containing suspended solids They are especial ly useful for pumping operations where hygiene is important Peristaltic pumps operate on the positive displacement principle They are particu larly suitable for metering dosing and dispensing applications Pumps are easy to install simple to operate and inexpensive to maintain un u sn s 7 Safety notes In the interests of safety this pump and the tubing selected should only be used by competent suitably trained personnel after they have read and understood this manual and considered any hazard involved If the pump is used in a manner not specified by Watson Marlow Ltd the protection provided by the pump may be impaired This symbol used on the pump and in this manual means Caution risk of electric shock This symbol used on the pump and in this manual means Caution refer to accompanying documents This symbol used on the pump and in this manual means Do not allow fingers
69. link from the back of the drive However the link is long enough to allow the module to fold back to give access to the the circuit board inside and to the back of the drive Watson Marlow 620UN 620U 620SN 620S User Manual 51 To replace the 620N watertight module Check that the fuse in the fuseholder ringed does not need to be replaced Check that the voltage selector switch is correctly set Check that the sealing strip is fully in its channel on the face of the module Attach the module s earth link wire Replace and tighten its screw to 2Nm Push home the female upper and male 25 way D connectors Hold the module in place Do not disturb the seal or pinch the earth link wire or D connector ribbon cables and screw in the retaining screws top centre first Tighten to 2 5Nm Note The 620N module must be properly fitted using all six screws Without them the screw holes may corrode and IP66 NEMA4X protection will be compromised 20 2 Wiring up It is the user s responsibility to ensure the pump s safe and reliable operation under remote and automatic control This pump s OV lines are commoned and mains transformer isolated from ground floating ground It can be connected to isolated OV or grounded OV interfaces Cable entry to the module is via up to four watertight cable glands These may be fitted in place of the plugs which seal the module when the pump is shipped The number of glands needed depends on the n
70. ll rollers rotate freely that the tube ports and location grooves are clean and that if in use the controlled waste pipe work is free of any obstructions Closing the pumphead guard and start up Ensure that the guard seal is clean replacing it if necessary Ensure that the rollers are engaged and locked out against the tubing Close the guard and push it against the track until the latch engages Connect suitable pipe work to the pumphead using the appropriate connectors for the tube element See below Watson Marlow 620UN 620U 620SN 620S User Manual 78 26 6 620RE and 620RE4 tube element loading 620RE element pumpheads are factory set to accept Watson Marlow LoadSure tube elements Pumping performance will be adversely affected if LoadSure elements are not used Open the guard using a suitable screwdriver or a 5mm Allen key Disengage the rollers Locate one of the D shaped flanges into the lower port The D flange ensures that the element can only be loaded correctly Wrap the tube element around the disengaged rollers of the rotor Locate the second D shaped flange into the upper port Ensure the flat face of each D flange sits flush to the flange sealing face of the track Engage the rollers Close the guard and push it against the track until the latch engages Connecting LoadSure elements to supply and discharge tubes LoadSure sanitary elements which have white conne
71. ls causes the pump to display a warning screen and redisplay the main menu Exit If Exit is selected the pump returns to its last manual state with the pump stopped 7 The main menu offers three options Setup MemoDose and Exit Use the UP and DOWN keys to make a choice Press the ENTER key to confirm your decision Setup Setup allows the user to set the pump s operating parameters under 7 headings Set max speed Set min speed Scrolling Date time ROM Defaults and Exit MemoDose The MemoDose facility is used to remember the number of revolutions needed to dispense a previously dispensed volume of fluid and cause the pump to dispense that volume repeatedly Exit If Exit is selected the pump returns to its last manual state with the pump stopped Watson Marlow 620UN 620U 620SN 620S User Manual 30 16 Setup Entry to the Setup menu is from the Main menu and can be limited to users who correctly enter a three digit security code If a security code has been set selecting Setup and confirming with the ENTER key causes the pump to display the Security code entry sequence See 16 15 Security code If no security code has been set the pump displays the first of seven screens containing the Setup menu The Setup menu Make a selection using the UP or DOWN keys and press ENTER to confirm your choice Watson Marlow 620UN 620U 620SN 620S User Manual 31 16 1 Trim Setup menu Bem Analogue setup me
72. lure has occurred ensure that any product in the pumphead has been allowed to drain through the controlled waste to a suitable drain Ensure that protective clothing and eye protection are worn if hazardous prod ucts are being pumped 26 2 620RE 620RE4 and 620R safe guarding Primary safety on 620 series pumps is provided by the tool lockable pumphead guard Secondary backup protection is provided in the form of an electrical guard switch which stops the pump if the pumphead guard is opened The electrical guard switch on cased pumps should never be used as primary protection Always disconnect the mains power supply to the pump before opening the pumphead guard Watson Marlow 620UN 620U 620SN 620S User Manual 76 26 3 620RE 620RE4 and 620R pumping conditions Pressure and viscosity All pressure values in this operating instruction from which performance and life figures have been calculated relate to peak pipeline pressures e Although rated to 4 bar peak pressure this pump will generate in excess of 4 bar peak pressure if pipeline restrictions are in place In instances where it is critical that a peak pressure of 4 bar is not exceeded pressure relief valves should be installed in the pipeline For pumping duties of 2 4 bar pressure fit hard Marprene Bioprene or standard Sta Pure or Chem Sure tube elements M or P in the tube element s product order code denotes suitability for higher pressure use
73. m your choice The pump displays a screen allowing the user to set the minimum speed of the pump equal to or higher than the minimum available Use the UP and DOWN keys to set the minimum allowed speed and press ENTER to confirm the fig ure The pump returns the user to the second screen of the Setup menu Note Minimum allowed speed limits speed under manual or analogue control Watson Marlow 620UN 620U 620SN 620S User Manual 40 16 9 Scrolling In use the pump s speed can be set up to the maximum allowed speed and down to the minimum allowed speed by pressing the UP and DOWN keys In the Scrolling section of the Setup menu the UP and DOWN keys allow the speed options to be set in increments of the user s choice one tenth of a revolution per minute one half of a revolution per minute one two five or ten revolutions per minute or their equivalents in flow rate if the pump has been configured to display its performance in units of flow Each press on UP for example offers a speed one increment greater than the current speed Note For O 1rpm 0 5rpm and 1rpm settings the increments increase progressive ly as long as the UP or DOWN key is continually held down Gii 8 Bl RE In the third screen of the Setup menu select Scrolling using the UP and DOWN keys Press ENTER to confirm your choice The pump displays a screen allowing the user to set the UP and DOWN keys scrolling increment Use the
74. main menu is displayed 19 Exit Press Exit in the Main menu to return to the Manual mode main screen Watson Marlow 620UN 620U 620SN 620S User Manual 50 20 Automatic control wiring using the 620N module Interfacing the pump with other devices is by means of screw terminal connectors within the 620N watertight module at the rear of the pump Suitable cable must be passed into the module through one or more watertight cable glands and connect ed appropriately The module must be removed to allow this 20 1 620N module removal and replacement To remove the 620N watertight module The module is secured to the back of the drive unit by six M5x12 Pozidriv counter sunk stainless steel screws Remove the six screws using a suitable crosspoint screwdriver leaving the top centre screw till last Even when all screws have been removed the sealing strip may cause the module to adhere to the drive If so a gentle tap will free it Do not use a tool to lever it off The sealing strip should be retained within its channel on the face of the mod ule The transparent on off switch cover should be retained on its flange on the face of the module Check the integrity of the seal and the transparent on off switch cover If either is damaged it must be renewed to maintain ingress pro tection If necessary unplug the two 25 way D connectors linking the module to the pump drive If necessary remove the module s earth
75. n it is tightened Twist a suitable length of the cable screen Loosen one of the pcb retaining screws and wind the shielding round it Secure the screen by refastening the screw Alternatively secure the cable screen to the adjacent spade connection where fitted Push the bared conductor into the square hole in the connector When the con ductor is fully in tighten the retaining screw to hold it in place When all conductors are in position use a 21mm spanner to tighten the gland cap to 2 5Nm to ensure a seal Alternatively tighten the gland by hand until it is finger tight and use a spanner to tighten it further by one half a turn Do not strap the control and mains power cables together 620N watertight module pcb connectors Commoning Spare supplies Tacho o p Relay 4 Relay 3 Relay 2 Relay 1 maximum 24VDC 5V 12V 12V OV Freq V mA NO C NC NO C NC NO C NC NO C NC ELLE Ii I J15 J2 222 mmm L O OV ifp 12V OV 10V Direction OV ifp OV ip 5V OV ip 5V OV ip 5V OV ip 5V Tube monitor Rem pot nablelink Analog 4 Run stop i p Dose i p Direction ifp Auto man i p Watson Marlow 620UN 620U 620SN 620S User Manual 54 20 3 Speed analogue input It is possible to control the speed of the pump remotely by one of these methods a voltage analogue signal within the Analogue 1 ranges
76. n new When using tubing made of these materials the first five pumphead revolutions should be at a speed of 10rpm or greater If the pump is run slower the safety system built into pump drive s software may cause it to stop and display an over current error message Note Flow rates quoted have been rounded for simplicity but are accurate to with in 5 well within the normal tubing tolerance variation of flow rate They should therefore be taken as a guide Real flow rates in any application must be determined empirically Watson Marlow 620UN 620U 620SN 620S User Manual 87 27 1 620RE 620RE4 and 620R flow rates Metric SI 620 Sta Pure Chem Sure Neoprene l min 0 1 0 001 0 003 0 004 0 01 0 004 0 01 0 003 0 01 265 3 2 6 6 11 16 11 18 9 0 13 620 Marprene TL Bioprene TL l min 0 1 0 001 0 003 0 004 0 01 0 004 0 01 0 003 0 005 265 3 4 6 6 11 12 9 8 18 8 3 12 620 Marprene TM Bioprene TM l min 0 1 0 004 0 01 0 003 0 004 265 9 8 16 8 3 11 620 Pumpsil silicone l min 0 1 0 001 0 003 0 004 0 01 0 004 0 01 0 003 0 004 265 3 2 J2 11 15 10 16 8 7 11 oo Watson Marlow 620UN 620U 620SN 620S User Manual 8 US imperial 620 Sta Pure Chem Sure Neoprene USGPM 0 1 0 0003 0 001 0 001 0 002 0 001 0 002 0 001 0 001 265 0 8 1 8 2 8 4 3 2 8 5 2 4 35 620 Marprene TL Bioprene TL USGPM 0 1 0 0003 0 001 0 001 0 002 0 001 0 002 0 001 0 001 265 0 9 1 8 2 8 3 0 2 6 4 7 2 2 9 3 620 Marprene
77. n reduce the pump speed from O 1rpm or any other minimum displayed unit of speed as selected in the Scrolling section of the Setup menu to Orpm by a further press on the DOWN key The pump is still in the running state and the rotation symbol will continue to move Press the UP key to return the pump to the minimum speed Note If a minimum allowed speed has been set in the Set Min Speed section of the Setup menu the above note on speed reduction to Orpm does not apply Watson Marlow 620UN 620U 620SN 620S User Manual 24 DIRECTION toggles the direction of rotation shown on the display If the pump is then started by pressing the START key it rotates in the new direc tion If the pump is running when DIRECTION is pressed the change takes effect immediately ENTER is used to enter confirm numeric and menu selections Also cycles the information shown on the manual mode main screen exactly as START does whether the pump is running or not See START above MENU causes the main menu to be displayed from which pump Setup and MemoDose can be controlled See 15 Main menu MEMODOSE causes the MemoDose facility to be displayed See 17 MemobDose Keypress combinations cause the pump to function as follows DIRECTION on power up resets defaults UP and DIRECTION on power up toggles the keypad beep on and off START on power up switches on the Auto restart facility See 16 6 Auto restart STOP on pow
78. ntrol signal or return to manual control Remove the cause of any leak The STOP key resets Attempt key press again Attempt to reset by switching power OFF ON Or seek support Turn OFF Check power supply Check pumphead and tubing Wait 30 minutes Power ON may reset Or seek support Turn OFF Check network and connections Or seek support Turn OFF Check network and connections Or seek support Turn OFF Check network and connections Or seek support Turn OFF Seek support 620S User Manual 74 UN U SN S 24 Drive maintenance There are no user serviceable parts inside the pump except the power cable see 10 Connecting this product to a power supply The unit should be returned to Watson Marlow or its appointed agents or distributors for service UN U SN S 25 Drive spares Replaceable main fuse type T5A H 250V FS0043 Foot MR3002M x 5 Watson Marlow 620UN 620U 620SN 620S User Manual 75 26 620RE MarkII 620RE4 MarkII and 620R MarkII pumpheads Note MarkII pumpheads differ from MarkI pumpheads as follows they have a new guard switching arrangement which is not compatible with 623 624 drives Similarly older guards are incompatible with 620 drives Elsewhere in this manual the term MarkII is omitted 26 1 620RE 620RE4 and 620R Key safety information For close coupled drives ensure that the pump is isolated from mains voltage Ensure that there is no pressure in the pipeline If a tube fai
79. nu When the pump is under remote control it tracks an analogue signal from the user s remote control system to the i p terminal of the Analogue 1 connectors at the rear of the pump within the ranges 4 20mA 0 10V or 1 5V The Trim setup sequence allows the user to customise the process signal to pump speed calibration The sequence may be entered directly from the Setup menu or from the Analogue setup menu Setup menu t Pa Analogue setup menu When the pump is under remote control it tracks an analogue signal from the user s remote control system to pin 4 of the lower D connector at the rear of the pump within the ranges 4 20mA 0 10V or 1 5V The Trim setup sequence allows the user to customise the process signal to pump speed calibration The sequence may be entered directly from the Setup menu or from the Analogue setup menu O UNU Select Trim from the Setup menu or the Analogue setup menu using the UP or DOWN keys and press ENTER to confirm your choice Apply the low process analogue signal to 620UN the i p terminal of the Analogue 1 connector or 620U pin 4 of the lower D connector as instructed in the display See 16 2 Analogue While the signal is being applied press ENTER to record the signal as a calibration point Watson Marlow 620UN 620U 620SN 620S User Manual 32 Apply the maximum process control signal While the signal is being applied press ENTER to record the signal as a
80. o00000000 Upper D connector Upper D connector 5V OV ooocococo oooo o oot ooo0o000000 0 09 09 Lower D connector Output 2 is taken from pin 11 of the upper D connector depending on the logic state of the function assigned to Output 2 Alternatively a load such as a relay coil may be connected to pin 11 ground to pin 17 Current will flow through the circuit depending on the logic state of the function assigned to Output 2 Do not connect to any device requiring more than 50mA Additionally output 2 is available as a 5V TTL logic signal on pin 11 of the lower D connector It will change state corresponding to the logic state of the function assigned to Output 2 Do not connect to any device requiring more than 1 TTL load By default output 2 is configured to indicate Direction status See 12 Switching the pump on for the first time Watson Marlow 620UN 620U 620SN 620S User Manual 68 21 9 3 Logic output 3 0000000000 0 0 0000000000 0 0 Upper D connector Upper D connector Output 3 is taken from pin 13 of the upper D connector depending on the logic state of the function assigned to Output 3 Alternatively a load such as a relay coil may be connected to pin 13 ground to pin 17 Current will flow through the circuit depending on the logic state of the function assigned to Output 3 Do not connect to any device requiring more than 50mA By default output 3 is configured to indicate Auto Man status See 12 Switching
81. or supplied Push out the blanking plug Drop the threaded waste fitting into place Secure it with the supplied locking nut Fully tighten by hand Ensure that there is ade quate clearance underneath the pumphead Waste pipe work should run to a suitable container or drain The leak detector installation procedure is included in the leak detector kit e If unsure of an installation please contact your local Technical Support Office Watson Marlow 620UN 620U 620SN 620S User Manual 77 26 5 620RE 620RE4 and 620R general operation Opening the pumphead guard e Unlock the guard with the 5mm Allen key provided or a screwdriver Open the guard to its full extent This creates the maximum clearance between the tube ports and guard to remove the tubing Engaging disengaging the rollers The extent of travel of the roller release levers is clear from pictures 2 and 3 above Do not try and force the levers beyond their normal extent of travel as this will damage the rotor To engage the rollers snap the roller release levers counter clockwise making sure that the rollers lock out against the tubing To disengage the rollers snap the release levers clockwise to their disengaged position For high pressure tub ing elements or four roller pumpheads a 5mm Allen key can be used to aid leverage when engaging disengaging the rollers with the release levers Pre load checks Before loading tubing ensure that a
82. ote stop using the UP and DOWN keys Press ENTER to confirm your choice The pump displays a screen allowing the user to disable the remote stop fea ture Use the UP and DOWN keys to choose Yes or No and press ENTER to confirm the decision If No is chosen the pump asks the user to make a further choice according to whether the pump is required to run on an open or closed remote switch Open stop or Open run Choose using the UP and DOWN keys and press ENTER to confirm The pump briefly displays a confirmation screen and returns the user to the first screen of the Setup menu If Yes is chosen the pump briefly displays a confirmation screen and returns the user to the first screen of the Setup menu Example screens are shown here Note The confirmation screen indicates whether Remote stop is enabled or disabled and displays the command sense of the remote control switch even if Remote stop has been disabled This allows the command sense to be dis played if remote switching is disabled 39 i Watson Marlow 620UN 620U 620SN 620S User Manual 38 Alternatively To toggle the sense of the remote run stop control between open stop and open run stop the pump Turn off the mains power switch at the rear of the pump e Hold down the STOP key and the DIRECTION key and turn on the mains power switch 16 6 Auto restart This pump offers an auto restart feature If active on power loss it restores the p
83. otor as described above Disconnect the waste pipework if attached Loosen the two track retaining screws using a suitable screwdriver Withdraw the track fully from the gearbox After removing the rotor and track it is advisable to remove the metal key from the keyway clean and reassamble The key fits its keyway tightly It may be freed by tapping gently with a screwdriver or other suitable tool Watson Marlow 620UN 620U 620SN 620S User Manual 82 Track re location Ensure that the track is clean Align the track so that the location holes are aligned with the threaded holes in the cased drive Tighten the two track retaining screws using a suitable screwdriver Re connect the waste pipework if required Note The track can be fitted in two positions with ports to the right or with ports down The ports down position requires that the pump is positioned at the front of the surface it stands on to provide clearance for the supply and discharge tubes Rotor re location Before replacing the rotor locate the key into the driveshaft keyway and apply a thin layer of grease over the shaft and key The rotor keyway is the largest of the four slots radiating from the driveshaft socket the top one in the first pic ture above Align the rotor keyway with the shaft key and slide the rotor into position ensuring that a positive stop is achieved and ensure that the full length of the drive shaft is
84. previous page 70dB A at 1m 11 Standards Safety of machinery electrical equipment of machines BS EN 60204 1 Safety requirements for electrical equipment for measurement control and laboratory use BS EN 61010 1 incorporating A2 Category 2 Pollution degree 2 Degrees of protection provided by enclosures IP code BS EN 60529 amendments 1 and 2 Conducted emissions BS EN 55011 Al and A2 Class A called by BS EN 61000 6 4 Radiated emissions BS EN 55011 Al and A2 Class A called by BS EN 61000 6 4 Electrostatic discharge BS EN 61000 4 2 A1 and A2 EC harmonised standards Radiated RF immunity BS EN 61000 4 3 A1 and A2 called by BS EN 61000 6 2 Fast transient burst BS EN 61000 4 4 A1 and A2 Level 3 2kV called by BS EN 61000 6 2 Surge testing BS EN 61000 4 5 A1 and A2 called by BS EN 61000 6 2 Conducted RF immunity BS EN 61000 4 6 called by BS EN 61000 6 2 Voltage dips and interruptions BS EN 61000 4 11 called by BS EN 61000 6 2 Mains harmonics BS EN 61000 3 2 Ed 2 Safety of machinery basic concepts general principles of design BS EN 292 1 and BS EN 292 2 Pumps and pump units for liquids common safety Other standards requirements BS EN 809 UL 61010A 1 CAN CSA C22 2 No 61010 1 Conducted emissions FCC 47CFR Part 15 107 Radiated emissions FCC 47CFR Part 15 NEMA 4X to NEMA 250 indoor use for IP66 products only Watson Marlow 620UN 620U 620SN 620S U
85. r Over temperature Signal out of range Over signal No signal Leak detected Check and reset Unrecognised key press Work overload Network not detected RS232 fault S232 lost General error condition Watson Marlow 620UN 620U 620SN Attempt to reset by switching power OFF ON Or seek support Attempt to reset by switching power OFF ON Or seek support Attempt to reset by switching power OFF ON Or seek support Attempt to reset by switching power OFF ON Or seek support Check the interface card and cables Attempt to reset by switching power OFF ON Or seek support Seek support Attempt key press again Attempt to reset by switching OFF ON Stop pump immediately Check pumphead and tube Power OFF ON may reset Or seek support Stop pump immediately Power OFF ON may reset Or seek support Stop pump immediately Power OFF ON may reset Or seek support Stop pump immediately Check system Power OFF ON may reset Or seek support Stop pump immediately Check mains voltage selector switch Check supply Power OFF ON may reset Or seek support Stop pump immediately Check mains voltage selector switch Check supply ON OFF may reset Or seek support Attempt to reset by switching power OFF ON Or seek support Stop pump immediately Turn OFF Seek support Check analogue control signal range Trim signal as required Or seek support Reduce the analogue control signal Connect analogue co
86. r to the first section of the Setup menu described above See 16 Setup 16 3 Display The pump can display two default screens in manual mode revolutions per minute or flowrate ed e In the first screen of the Setup menu select Display using the UP and DOWN keys Press ENTER to confirm your choice The pump displays a screen allowing you to choose the format of the manual mode main screen Use the UP and DOWN keys to choose and press ENTER to confirm your decision The pump redisplays the first screen of the Setup menu When the pump next runs the manual mode main screen will display pump activity in rpm or l min according to your choice Examples are shown here Note A third display option is available showing rpm and flowrate See Alternatively next Watson Marlow 620UN 620U 620SN 620S User Manual 35 Alternatively e In the manual mode main screen repeatedly press ENTER to cycle the display between rpm flowrate or combined according to your choice This cycle oper ates if the pump is running and if it is stopped While the pump is running you can cycle the display in the same way by repeatedly pressing START In both cases if you have not calibrated the pump since switching it on a warning screen is displayed for 4 seconds before the flowrate screen appears The warn ing does not appear if the display formats are cycled again unless the pump has been switched off T
87. rection shown in the display STOP if the pump is running pressing STOP stops the pump The display will continue to show the previous speed and direction The pump will return to this speed and direction when the START key is pressed again UP increases the speed shown on the display in minimum steps of O 1rpm or other steps as pre selected in the Scrolling section of the Setup menu unless the speed displayed is already the maximum allowed speed If the pump is then started by pressing the START key it will operate at the new speed If the pump is running when UP in pressed the change takes effect immediately Note If the pump s flow rate has been calibrated see 17 3 Calibration after a speed change a screen showing the new rpm figure and the new flowrate is displayed for four seconds before returning the user to the previously set man ual mode main screen rpm or flowrate DOWN decreases the speed shown on the display in minimum steps of O 1rpm or other steps as pre selected in the Scrolling section of the Setup menu If the pump is then started by pressing the START key it operates at the new speed The minimum speed possible is O 1rpm If the pump is running when DOWN is pressed the change takes effect immediately Note If the pump s flow rate has been calibrated see 17 3 Calibration after a speed change a screen showing the new rpm figure and the new flowrate is displayed for four seconds before returning the user to the pr
88. s suit able for an outside cable sheath diameter of 7 9mm Power cables of NEMA 4X specification pumps are fitted with a standard US mains power plug IP66 specification pumps are supplied with no plug Wiring a mains plug must only be undertaken by suitably skilled qualified personnel Conductor coding brown black blue white green yellow green UN U SNS If the mains power cable is inappropriate for your installation it can be changed Please contact your local Watson Marlow Bredel service centre Watson Marlow 620UN 620U 620SN 620S User Manual 17 Input line fusing type T5A H 250V 20mm time delayed cartridge fuse located in a fuseholder in the centre of the switchplate at the rear of the pump Power interruption This pump has an auto restart feature which when active will restore the pump to the operating state it was in when power was lost See 16 6 Auto restart Stop start power cycles Do not power up power down for more than 100 starts per hour whether manually or by means of the auto restart facility We recommend remote control where a high number of starts is required 200 240 50 60Hz Ds 100 120 50 60Hz 199VA C E P d UN U SNS 11 Start up check list Note See also 26 6 and 26 7 Tube loading Ensure that proper connections are achieved between the pump tube and suc tion and discharge piping Ensure proper connection has been made to a suitable power supply
89. ser Manual 12 8 1 Pressure capability 0 4bar higher pressure pumping 2 2 23 o 9 a E 4 i o a This pump s default running speed is 165rpm It can be run at any speed up to 265rpm Please note however The 620RE and 620RE4 rotor warranty is limited to 2 bar from 165rpm to 265rpm A warning is displayed when the user sets the speed above 165rpm Note Applies to 620RE MarkII and 620RE4 MarkII pumpheads only The pump s software records the duration of operation above 165rpm 0 2bar pressure pumping Tubing not suitable Tubing not suitable above 2 bar above 2 bar i v Fel 2 2 wn a x I o a Peak pressure bar Watson Marlow 620UN 620U 620SN 620S User Manual 13 8 2 Dimensions 86 mim 242 inim 1 20e 290 448 280 I A iPwi i a M a 106mm 115mm i 280mm i Watson Marlow 620UN 620U 620SN 620S User Manual 14 9 Good pump installation practice 9 1 General recommendations Position A correctly engineered installation will promote long tube life Site the pump on a flat horizontal rigid surface free from excessive vibration to ensure correct lubri cation of the gearbox Allow a flow of air around the pump to ensure that heat can be dissipated Ensure that the temperature around the pump does not exceed 40C Do not stack other 620 pumps on top of this pump It is however
90. signed state ment must be attached to the outside of the shipping carton This certificate is required even if the pump is unused If the pump has been used the fluids that have been in contact with the pump and the cleaning procedure must be specified along with a statement that the equipment has been decontaminated 6 Peristaltic pumps an overview Peristaltic pumps are the simplest pump with no valves seals or glands to clog or corrode The fluid contacts only the bore of a tube eliminating the risk of the pump contaminating the fluid or the fluid contaminating the pump Peristaltic pumps can run dry How they work A compressible tube is squeezed between a roller and a track on an arc of a circle creating a seal at the point of contact As the roller advances along the tube the seal also advances After the roller has passed the tube returns to its original shape creating a partial vacuum which is filled by fluid drawn from the inlet port Before the roller reaches the end of the track a second roller compresses the tube at the start of the track isolating a packet of fluid between the compression points As the first roller leaves the track the second continues to advance expelling the packet of fluid through the pump s discharge port At the same time a new partial vacuum is created behind the second roller into which more fluid is drawn from the inlet port Backflow and siphoning do not occur and the pump effect
91. ss the STOP key twice within half a second The pump stops and imme diately displays the MemoDose Calibration screen Use the UP or DOWN keys to select Calibration dose Press ENTER to confirm OR 2 Press the STOP key once The pump stops This may make it easier to ensure that the quantity of fluid that has been dispensed is suffi ciently precise Then press the STOP key twice within half a second The pump displays the MemoDose Calibration screen Use the UP or DOWN keys to select Calibration dose Press ENTER to confirm OR 3 620UN 620U Press the STOP key The pump stops Press the MENU key Use the UP or DOWN keys to select MemoDose Press ENTER to confirm The pump displays the MemoDose Calibration screen Use the UP or DOWN keys to select Calibration dose Press ENTER to confirm OR 4 620SN 620S Press the MemoDose key The pump displays the MemoDose Calibration screen Use the UP or DOWN keys to select Calibration dose Press ENTER to confirm Measure the volume of fluid pumped Make a note of the volume The pump has recorded the number of pumphead revolutions required to pump the volume of fluid measured The calibration dose screen is displayed It shows a four digit number of millil itres and the instruction Enter dose value The number displayed is the number which was entered the previous time the pump was calibrated or the default figure For example Use the UP and DOWN keys to enter the me
92. switch Primary operator protection from rotating parts of the pump is provided by the fixed guard Secondary operator protection from rotating parts of the pump is provided by indicator only switching of the pumphead guard 620SN IP66 NEMA 4X model and 620S IP31 model This pump operates by manual control only There are no external control connec tions All pump functions are controlled from the keypad It features Manual control Speed adjustment run and stop direction control max key for rapid prim ing MemoDose Allows precise repeat dosing Stores in memory a pulse count from the motor This count is repeated each time START is pressed to provide a single shot dose Calibration Uses the same pulse count as MemoDose The corresponding pumped volume can be entered to calibrate the flow of the pump Guard switch Primary operator protection from rotating parts of the pump is provided by the fixed guard Secondary operator protection from rotating parts of the pump is provided by indicator only switching of the pumphead guard Watson Marlow 620UN 620U 620SN 620S User Manual 9 Protected against ingress of solid objects with a diameter of more than 2 5mm Tools wires etc with a thickness of more than 2 5mm are prevented from approach Protected against harmful dust deposits Ingress of dust is not totally prevented but the dust must not enter in sufficient quantity to interfere with satisfactory operation of
93. t is running in man ual mode It operates at any point in the pump s activity except where error screens are displayed or where UP and DOWN keys are used to enter values The main menu offers four options Setup MemoDose Pin out details and Exit Use the UP and DOWN keys to make a choice Press the ENTER key to confirm your decision Setup Setup allows the user to set the pump s operating parameters under 16 headings Trim Analogue Display Outputs Remote stop Auto restart Set max speed Set min speed Scrolling Date time Backlight ROM Language Defaults Beep Security code and Exit MemoDose The MemoDose facility is used to remember the number of revolutions needed to dispense a previously dispensed volume of fluid and cause the pump to dispense that volume repeatedly DOWN keys to make a choice Press the ENTER key to con firm your decision Watson Marlow 620UN 620U 620SN 620S User Manual 29 Pin out details Selecting Pin out details causes the pump to display an information screen and then its preset pin and voltage details under 18 headings Analogue input Analogue output Tacho output Run Stop input Direction enable input Direction input Leak input Auto Man toggle input Dose input Output 1 Output 2 Output 3 Output 4 Supply voltages O volts availability Functional earth Others and Exit Pin out information is not relevant to the 620UN IP66 NEMA 4X pumps Selecting Pin out detai
94. te The maximum allowed speed of the drive defaults to 165rpm It is possible to set this limit at any speed up to 265rpm See 16 7 Set maximum allowed speed and section 3 Three year warranty 14 4 Direction To toggle the pump s rotation sense Press DIRECTION to toggle the pump between clockwise and counter clock wise rotation Note Direction control is available subject to access not being limited by security code See 16 15 Security code 14 5 Keypad lock The keypad can be locked to prevent changes to pump speed or other settings and make it possible only to start or stop the pump The padlock symbol shows on the display e While the pump is running hold down the START key for two seconds The padlock symbol shows and only the START and STOP keys function The keypad may also be locked while the pump is stopped Hold down the STOP key for two seconds The padlock symbol shows and only the START and STOP keys function To unlock the keypad while the pump is running hold down the START key for two seconds The padlock symbol is removed If the pump is stopped hold down the STOP key until the padlock symbol is removed Note Keypad lock is available subject to access not being limited by security code See 16 15 Security code 14 6 Keypad beep The pump keypad can operate silently or indicate a positive key press with a beep sound To toggle the sound on and off stop the pump Turn off the mains power switc
95. the equipment Complete protection against contact Protection against ingress of dust dust tight Complete protection against contact Unit weights 16 5kg 36lb 60z 19 6kg 43lb 3oz 20 1kg 44lb 5oz 17 4kg 38lb 6oz 20 5kg 45lb 3oz 21 0kg 46lb 5oz Protection against dripping water falling vertically No harmful effect must be produced Protection against water projected from a nozzle against the equipment enclosure from any direction There must be no harmful effect water jet Protection against heavy seas or powerful water jets Water must not enter the equipment enclosure in harmful quantities splashing over Watson Marlow 620UN 620U 620SN 620S User Manual OUN U SN S IP Ingress Protection and NEMA definitions 12 13 4X 620 cased pumps are rated to NEMA 4X indoor use only Indoor use to provide a degree of protection against limited amounts of falling water and dirt Indoor use to provide a degree of protection against dust falling dirt and dripping non corrosive liquids Indoor use to provide a degree of protection against dust and spraying of water oil and non corrosive coolants Indoor or outdoor use to provide a degree of protection against splashing water wind blown dust and rain hose directed water undamaged by the formation of ice on the enclosure Resist corrosion 200 hour salt spray 10 Pump specifications Control range turndown r
96. to configure Run to High or Low Clockwise to High or Low and Auto to High or Low respectively Choose using the UP and DOWN keys and press ENTER to confirm The option chosen is configured to Output 1 The pump displays a confirmation screen and returns the user to the Output selection screen The user can configure Output 2 Output 3 and Output 4 in the same way or choose Exit If STOP is pressed during configuration the previous setting for the output is retained and the pump redisplays the Output selection screen If Exit is chosen the pump returns the user to the third screen of the Setup menu Watson Marlow 620UN 620U 620SN 620S User Manual 37 16 5 Remote stop The 620UN pump can be started and stopped with a remote switch between the 5V terminal and the i p terminal of the Run stop input using an open run or open stop command sense It also operates with a logic input between 5V and 24V on the i p terminal of the Run stop input If remote switching is disabled neither the remote run stop nor direction signal inputs will affect the pump state The 620U pump can be started and stopped with a remote switch between pin 7 and pin 19 using an open run or open stop command sense It also operates with a logic input between 5V and 24V on pin 7 If remote switching is disabled neither the remote run stop nor direction signal inputs will affect the pump state a e In the first screen of the Setup menu select Rem
97. umber of connection cables required and the convenience of the installer As standard four M16 cable glands are provided with the pump Recommended control cables must be used for the terminal blocks metric 0 14sq mm 2 5sq mm solid and 0 14sq mm 1 5sq mm stranded USA 26AWG 14AWG solid and 26AWG 16AWG stranded Cable cir cular Max min outside diameter to ensure a seal when passed through the standard gland 9 5mm 5mm The cable section must be circular to ensure a seal Watson Marlow 620UN 620U 620SN 620S User Manual 52 For EMC protection shielded control cable should be used The shielding should be terminated to one of the pcb mounting screws or to the adjacent spade connection where fitted For improved EMC protection in extremely noisy environments shielded cable may be used in conjunction with watertight EMC metal cable glands These must be earthed to the module by adding an M16x1 5 nut with serrated edges to ensure proper contact with the inside of the module It is necessary to remove the module s circuit board to access the interior of the module it is held in place by two fixing screws which can be removed and replaced with a cross point screwdriver Take nor mal anti static precautions when handling printed circuit boards Suitable cables for general purpose use 300V with extra premium grade PVC jack et with good flame and moisture resistance Suitable cables for industrial use 300V extra rugged
98. ump when power returns to the operating state it was in when power was lost It does not operate when powering down in the middle of a dose when the pump is restarted it will await a press on the START key to begin the interrupted dose again Auto restart is retained while the pump is switched off When the pump starts running look for the symbol on the display This symbol indicates that the pump is set for auto restart In the second screen of the Setup menu select Auto restart using the UP and DOWN keys Press ENTER to confirm your choice The pump displays a screen allowing the user to activate auto restart Use the UP and DOWN keys to choose On or Off and press ENTER to confirm the decision e If Off is chosen the pump returns the user to the second screen of the Setup menu The auto restart facility will not operate If On is chosen the pump returns the user to the second screen of the Setup menu where an exclamation mark is now visible This mark confirms that the auto restart feature is in place and will operate the next time power is lost and restored Alternatively Stop the pump Turn off the mains power switch at the rear of the pump e Hold down the START key and turn on the mains power switch The symbol shows on the display Start the pump If the mains supply is interrupted the pump will automatically restart when the mains power returns To remove auto restart switch off th
99. utput has the required strength to be effective up to 3m from the pump Longer cable runs require signal amplification Watson Marlow 620UN 620U 620SN 620S User Manual 63 21 4 Run stop input oo00000 0 O0 OD O O O o00000 0 0 O O O O O se dh be ubdi didi bibl Lower D connector Lower D connector Remote run stop connect a remote switch between pins 7 and 19 of the lower D connector Alternatively a logic input may be applied to pin 7 of the lower D connec tor ground to pin 18 High input stops the pump low input runs the pump With no connection or with the switch open the pump will default to running To change or set the sense of the run stop input see 16 5 Remote stop in the Setup menu 21 5 Direction input Lower D connector Lower D connector To enable remote direction control and disable the DIRECTION SHIFT 1 key on the keypad link pins 6 and 18 of the lower D connector Connect a remote switch between pins 5 and 19 of the lower D connector Open switch for clockwise rotation Watson Marlow 620UN 620U 620SN 620S User Manual 64 closed switch for counter clockwise rotation Alternatively a logic signal may be applied to pin 5 of the lower D connector ground to pin 17 Low input for clockwise rotation high input for counter clockwise rotation With no connection the pump defaults to clockwise rotation 21 6 Auto manual toggle input 00000 03 0 00000 0 oOo o 0jo 00000000 0 dia a dii 00000000000 0
100. veral times larger than the pump tube Do ensure that on longer tube runs at least 1m of smooth bore flexible tubing is con nected to the inlet and discharge port of the pumphead to help to minimize impulse losses and pulsation in the pipeline This is especially important with viscous fluids and when connecting to rigid pipework Do site the pump at or just below the level of the fluid to be pumped if possible This will ensure flooded suction and maximum pumping efficiency Do keep the pumphead track and all moving parts clean and free from contamina tion and debris Do run at slow speed when pumping viscous fluids though see Pressure advice in 9 1 General recommendations Flooded suction will enhance pumping performance in all cases particularly for materials of a viscous nature Do recalibrate after changing pump tubes fluid or any connecting pipework It is also recommended that the pump is recalibrated periodically to maintain accuracy IP66 NEMA 4X models may be hosed down but should not be immersed Protect from prolonged UV exposure IP31 models may be wiped with a damp cloth but should not be hosed or immersed The front of IP31 models is further protected against light spillages onto the pump When using Marprene or Bioprene continuous tubing do re tension the tube after the first 30 minutes of running Tube selection The chemical compatibility lists published in Watson Marlow pub lications are guides If in
101. when powering down in the middle of a dose when the pump is restarted it will await a press on the START key to begin the interrupted dose again Auto restart is retained while the pump is switched off When the pump starts running look for the symbol on the display This symbol indicates that the pump is set for auto restart To turn the auto restart facility on Turn off the mains power switch at the rear of the pump Depress the START key while switching on the mains power switch at the rear of the pump Watson Marlow 620UN 620U 620SN 620S User Manual 27 To turn the auto restart facility off Turn off the mains power switch at the rear of the pump Depress the STOP key while switching on the mains power switch at the rear of the pump 14 11 Manual operation and remote digital inputs and outputs The remote run stop direction and leak detected inputs are operational The remote status outputs are all fully functional The STOP key acts as an overriding emergency stop The run stop input will not start the pump in manual mode but once the START key has been pressed the remote run stop input will stop and start the pump according to its operational state 620UN If you invert the operation of the remote run stop switch to operate as open stop you must connect pin 7 to 19 lower D connector to be able to start the pump from the keypad See 20 6 Run stop injput 620U If you invert the operat
102. within the ranges 4 20mA 0 10V or 1 5V The Analogue option in the Setup menu allows the user to configure the pump to operate with his remote control system X e Select Analogue from the Setup menu using the UP or DOWN keys and press ENTER to confirm your choice Three options are displayed Input Trim and Menu Input allows the user to tell the pump which signal type he will apply or to choose the program option If he selects Program from the subsequent menu the user can choose his input type and tell the pump the speeds at which to operate on receiv ing a low or high process control signal See 18 2 1 Input 1 speed Trim displays the Trim menu described above See 16 1 Trim Menu returns the user to the first section of the Setup menu See 16 Setup Watson Marlow 620UN 620U 620SN 620S User Manual 33 O UNU 16 2 1 Input 1 speed Select Input using the UP or DOWN keys and press ENTER to confirm your choice The pump offers three further choices 4 20mA 0 10V and 1 5V Use the UP or DOWN keys to make a selection and press ENTER to confirm your decision LL 45 LLL 258 PI en te The pump configures the hardware and factory set response data and briefly displays a confirmation screen The user is returned to the Analogue setup dis play Example figures are shown here Alternatively the user can select Program to configure the pump to respond in a user programmed way to any process

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