Watson-Marlow 520DUN manuale d’uso

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 1 WATSON-MARLOW BREDEL MANUALS Watson-Marlow 520DuN IP66/NEMA 4X pumps m-520dun-4x-gb-05 Contents 1 Declaration of conformity 3 2 Declaration of incorpor ation 3 3 Five-y ear warranty 4 4 When you unpack your pump 5 5 Information for returning pumps 6 6 Peristaltic pumps: an o verview 7 7 Safety notes 8[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 2 29.2 520R and 520R2 tube loading 84 29.3 520RE: fitting the drain port 85 29.4 520RE Element loading 86 29.5 520RE Element connection 88 30 520R, 520R2 and 520RE maintenance 89 31 520R, 520R2 and 520RE rotor settings 90 32 Pumphead spares 91 33 Flow rates 92 34 T ubing and element part numbers 100 35 [...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 3 1 Declaration of conformity This declaration was issued for W atson-Marlow 720DuN pumps on May 1, 2007. When this pump unit is used as a stand-alone pump it complies with: Machinery Directive 2006/42/EC, EMC Directive 2004/108/EC. This pump is ETL listed: ETL control number 3050250. Cert to CAN/CSA st[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 4 3 Five year warranty 520 cased pumps, 620 cased pumps and 720 cased pumps For an y 520, 620 or 720 cased pump purchased after 1 January 2007, W atson- Marlow Limited (“W atson-Marlow”) warr ants, subject to the conditions and excep- tions below , through either W atson-Marlow , its subsidiaries, o[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 5 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 lists, below. Packaging disposal Dispose of packaging materials safely , and in accordance with regulations in your a[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 6 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 stor age is not recom- mended for peristaltic pump tubing. [...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 7 6 Peristaltic pumps - an overview Peristaltic pumps are the simplest possible 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. P eristaltic pumps can ope[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 8 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 hav e read and understood this manual, and considered any hazard involv ed. If the pump is used in a manner not specified by W atson-Marlow Ltd, the pro[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 9 There are moving parts inside the pumphead. Before opening the tool- unlockable pumphead 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.  If a tube failure has occur[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 10 8 Pump specifications Labels fixed to the rear of the pump contain manufacturer and contact details, prod- uct reference number , serial number and model details. The same information is carried on the drive’ s backplate, accessible when the 520N module is removed.[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 11 520DuN, IP66 NEMA 4X model This pump can be controlled from the keypad or remotely . It features: Manual control Speed adjustment; run and stop; direction control; keypad scaling; “max” key for rapid priming. Remote control The pump can be digitally controlled with a contact closure or logic inpu[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 12 IP (Ingress Protection) and NEMA definitions * 520N cased pumps are rated to NEMA 4X (indoor use) only . IP NEMA 1st Digit 2nd Digit 3 Protected against ingress of solid objects with a diameter of more than 2.5mm. T ools, wires etc with a thickness of more than 2.5mm are prevented from approach 1 Pro[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 13 Pump specifications Control range (turndown ratio) 0.1-360rpm (3,600:1) Supply voltage/frequency 100-120V/200-240V 50/60Hz 1ph Maximum voltage fluctuation ±10% of nominal voltage. A well regulated electrical mains supply is required along with cable connections to the best practice of noise immunity[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 14 Standards EC harmonised 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, P ollution degree 2 Degrees of protection provided by enclosures[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 15 8.1 Dimensions Unit weights 520DuN IP66/NEMA 4X model Drive only + 520R, 520R2 + 520REL, 520REM, 520REH + 505L IP66 NEMA 4X 10.58kg 23lb 5oz 11.48kg 25lb 5oz 11.40kg 25lb 2oz 13.06kg 28lb 13oz[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 16 9 Good pump installation practice 9.1 General recommendations A correctly engineered installation will promote long tube life. Site the pump on a flat, horizontal, rigid surface, free from excessive vibr ation, to ensure correct lubri- cation of the gearbox. Allow a free flow of air around the pump t[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 17 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 r adius: at least four times the tubing diameter . Ensure that connecting pipework [...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 18 10 Connecting this product to a power supply The voltage selector is mounted in the switchplate at the rear of the pump, protected from water by the 520N module. The module must be removed to allow access to the switchplate. See 22.1 520N module fit- ting. Set the voltage selector to 115V for 100-120[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 19 If the mains power cable is inappropriate for your installation, it can be changed. This operation can be carried out with the 520N module in place, or after it has been removed, as shown here for clarity .  Ensure that the pump is isolated from the mains power .  Remo ve the six screws from th[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 20 Input line fusing : type T2,5A H 250V 20mm time-delayed fuse, located in a fuseholder in the centre of the switch- plate 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. [...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 21 11 Start-up check list Note : See also 29.2 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 .  Ensure that the recommendations in the section on 9 Good pum[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 22 First-time start-up defaults Language Not set Analogue input 4-20mA Speed Maximum User trim None Direction Clockwise Remote stop Open=run Pumphead 520R Pump number 1 Tube size 9.6mm Baud rate 9600 Calibration from head and tube table Stop bits 2 Backlight On Xon/Xoff Off Keypad lock Off Scrolling inc[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 23 13 Switching the pump on in subsequent power cycles (if not in auto-restart mode)  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 25.1 Error codes .[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 24 14 Manual operation 14.1 Keypad functions in manual mode All settings and functions of the pump in manual mode are set and controlled by means of key-presses. Immediately after the start-up display sequence detailed above, the manual mode main screen will be displayed. The currently selected rotation[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 25  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,[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 26  ENTER : cycles the information shown on the manual mode main screen from revolutions per minute, to flowrate in a choice of units (via a w arning screen if flowrate has not been calibr ated) to rpm, flowrate and Run time. (See START , above. See 17 Calibrate . See 18.9 Run time .) This cy cle ope[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 27 14.2 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 .  While the pump is running, hold down the START key for two seconds. The padlock symbol shows and only the ST[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 28 15 Main menu 15.1 Keypad functions in menu screens In addition to their functions in other operations, the following keys ha ve 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 k[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 29 15.2 Main menu entry The MENU key displays the main menu. It operates at any point in the pump’ s activ- ity except where error screens are displayed, or screens where UP and DOWN keys are used to enter values. The main menu offers five options: Calibrate, Setup, Pin out details, MemoDose and Exit [...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 30 16 PIN-secure process protection The 520DuN and 520Du feature PIN-secure process protection. This allows the pump to be configured to suit the application, and for the setup to be protected by two levels of PIN code. See 18.19 Security code setup. * When the keypad is locked, MemoDose is av ailable v[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 31 17 Calibrate The pump can display flowrate in a choice of units as well as speed in rev olutions per minute. It must first be calibrated. Pump calibration can be limited to users who correctly enter a three-digit security code. If a security code has been set, selecting Change from the calibration de[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 32 Head and tube  If Head and tube is selected, the pump displays a list of standard pumpheads that can be fitted to the pump. It occupies two screens. Use the UP and DOWN keys to move the highlight down the list. When the last item on the first screen is highlighted, a further press on the DOWN key [...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 33 Calibration dose  The pump offers to run a calibration dose. Use the UP and DOWN keys to choose Yes or No . Press ENTER to confirm. Examples are shown here.  If No is selected after a tube selection has been made (see Tube above), the pump briefly displays a confirmation screen showing current [...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 34  Measure the quantity of fluid dispensed. The pump displays its calculated dose, based on previous calibration data. Use the UP and DOWN keys to adjust this reading to match the measured volume. Press ENTER . The pump displays the new head, tube and flow settings, and redisplays the main menu. Exa[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 35 18 Setup Entry to the Setup menu 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 Security code entry . If no security code ha[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 36 18.1 Trim 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 and Analogue 2 con- nectors at the rear of the pump within the ranges 4-20mA or 0-10V . The Trim setup sequence allows the user to customise the[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 37  The final press on ENTER ends the Analogue 1 trimming sequence.  If Analogue 2 has been configured, the pump displays a similar sequence of screens for that input. Apply the low , high and mid-range signal to the i/p terminal of the Analogue 2 connector as instructed in the display , pressing [...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 38 Input 1 - speed allows the user to tell the pump which signal type he will apply to Analogue 1, or to choose the program option. If he selects Program from the sub- sequent menu, the user can choose his input type and tell the pump the speeds at which to operate on receiving a low or high process con[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 39 Program  Select Program using the UP or DOWN keys and press ENTER to confirm.  The pump offers two choices: mA and V . Use the UP or DOWN keys to make a selection and press ENTER to confirm your decision.  The pump displays a screen allowing you to set the speed for low signal input. Use the[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 40 Scaling - stroke  Select Scaling - stroke using the UP or DOWN keys and press ENTER to confirm your choice.  The pump offers five further choices: Off, Keypad, 4-20mA, 0-10V and Program . Use the UP or DOWN keys to make a selection and press ENTER to confirm your decision.  If Off is selecte[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 41 18.3 Display The pump can display three default screens in manual mode: revolutions per minute, flowrate in a choice of units, or both.  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 [...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 42 18.4 Pump number The 520DuN pump can be individually controlled under RS485 as one of up to 32 pumps. First it must be given its identity number .  In the first screen of the Setup menu select Pump no 1 using the UP and DOWN keys. Press ENTER to confirm your choice.  The pump displays a screen [...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 43 18.6 Stop bits The 520DuN pump can be set to communicate with control devices at a choice of stop bits settings.  In the second screen of the Setup menu select Stop bits using the UP and DOWN keys. Press ENTER to confirm your choice.  The pump displays a screen allowing you to change the pump?[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 44 18.8 Flow units The 520DuN pump can display its flow rate in metric (SI) or US (imperial) units of volume or mass.  In the second screen of the Setup menu select Flow units using the UP and DOWN keys. Press ENTER to confirm your choice.  The pump displays a screen offering Metric or US. Use the[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 45  If you chose a volumetric flow r ate from either screen, a confirmation screen appears briefly and the pump displays the second screen of the Setup menu.  If you chose a mass flow rate from either screen, the pump asks for the specif- ic gravity of the fluid to be pumped. Use the UP and DOWN k[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 46 18.10 Outputs The 520DuN pump offers four relay status outputs. See 12 Switching the pump on for the first time for initial startup defaults. Each of five parameters can be config- ured to any output, or more than one output. The parameters are: Run / stop Provides a status output to indicate whether[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 47  In the third 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[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 48 18.11 Remote stop The 520DuN 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. Disabli[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 49  If Yes is chosen, the pump asks the user whether the remote stop feature is to be disabled fully (for both manual and auto operation), or only for manual operation, leaving remote stop functioning when the pump is oper ating in auto mode. Choose using the UP and DOWN keys and press ENTER to confi[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 50 18.12 Auto-restart This pump offers an auto-restart feature. If active on power loss, it restores the pump when power returns to the operating state it was in when power w as 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[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 51 18.13 Set maximum speed The 520DuN pump offers a maximum speed of 220 revolutions per minute. This limit can be reduced for operational purposes.  In the fourth 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 scr[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 52 18.15 ROM The pump can display its software version, model number and pump speed.  In the fourth 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 pump speed for four seconds, then return[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 53 18.17 Defaults All the pump’ s user-set data can be reset to factory defaults.  In the fifth 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 de[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 54 18.19 Security code Access to the pumpís Setup menu, direction control and keypad lock can be restrict- ed to those who correctly enter a three-digit security code: the main code. A sec- ondary user code can be set, which permits PIN access to direction and keypad lock, but blocks access to Setup. S[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 55  If you chose Cancel codes , any codes previously set are cancelled and access to the pump is not restricted.  If you chose Set main code or Set user code , the pump displays a screen with three blank spaces for digits and the instruction “Enter new code” . Use the UP and DOWN keys to enter[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 56 20 MemoDose 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 [...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 57 To repeat the dose  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.  If the volume of fluid in the measuring vessel differs from the volume req[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 58  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 : T o retain the MemoDose value through a power interruption the pump must be in auto-restart mode. The dosing cycle will resume at[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 59 22 Automatic control wiring Interfacing the pump with other devices is by means of screw-terminal connectors within the 520N 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 [...]

 If necessary , unplug the two 25-way D-connectors linking the module to the pump drive. If necessary , remove the module’ s earth 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. To replace the 520N watertight module[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 61 22.2 Wiring up It is the user’s responsibility to ensure the pump’ s safe and reliable operation under remote and automatic control. The 0V lines on this pump are commoned and mains transformer-isolated from ground (floating ground). It can be connected to isolated 0V or grounded 0V interfaces. C[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 62 Suitable cables for general-purpose use: 300V with extr a premium grade PVC jack- et with good flame and moisture resistance. Suitable cables for industrial use: 300V extra-rugged polyurethane gr ade jacket with resistance to oils, fuels, solvents and water . For con venience of wiring more than 8 co[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 63  Strip the outer sheath as necessary and remove 5mm of insulation from the 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 [...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 64 22.3 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 range 0-10V ; 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 [...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 65 22.4 Scaling: analogue input It is possible to scale the speed of the pump remotely by one of these methods: a voltage analogue signal within the range 0-10V ; 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 [...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 66 22.5 Speed: analogue output An analogue voltage output signal is av ailable on the T acho output connector (J11), between the V terminal and the 0V terminal. The voltage is fixed and directly proportional to the pumphead rotation speed. 0V = zero speed; 10V = maximum allowed speed. A current analogue[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 67 Important: general instructions for remote control inputs All remote control inputs can be wired in two ways: Logic A logic voltage between 5V T TL and 24V industrial logic may be wired to the input. The pump is configured to operate without modification anywhere in this r ange. Any of the 0V termina[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 68 22.9 Auto / manual toggle input Connect a remote switch between the +5V terminal and the i/p terminal of the Auto-man i/p connector (J1). Closed switch for automatic control; open switch for man- ual control. Alternatively a logic input may be applied to the i/p terminal of the Auto-man i/p connector[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 69 Important: pump status outputs Outputs 1-4 are av ailable as single-pole change-over relay contacts: Rela y 1, 2, 3 and 4. Connect to the normally open or normally closed contacts of the relay as required and configure the pump’ s software accordingly . See 18.10 Outputs . Note: The maximum rating [...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 70 DC Voltage Max load Typical use +5V 10mA V oltage supply for inputs using remote switch. Possible v oltage supply for outputs if only 5V is required. +12V 10mA Possible v oltage supply for inputs using remote switch. Possible v oltage supply for outputs. V oltage supply for W atson-Marlow T ube Monit[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 71 23 Automatic control and operation Check that the pump is ready to run before selecting automatic operation. R emote control signals may start the pump without warning. How to get into auto operation  While the maunal mode main screen is displayed, press the AUTO/MAN key , or apply a high signal ([...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 72  The pump is automatically switched into auto-restart mode and displays the ! icon. The only keys active are STOP , AUTO/MAN , DIRECTION and START (available only as an extended k eypress to toggle keypad lock). UP and DOWN keys are av ailable if manual scaling has been set (see below).  If the[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 73 Emergency stop  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[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 74 24 Network control and operation Check that the pump is ready to run before selecting network operation. R emote control signals may start the pump without warning. How to get into network operation  While the maunal mode main screen is displayed, press the AUTO/MAN key .  The pump offers three[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 75 How to get out of network operation  Pressing the AUTO/MAN key displays three options: Analogue , Manual and Network . Use the UP and DOWN keys to choose and press ENTER to con- firm.  Selecting Manual sets the pump to manual operation and retains the set speed and run status from its previous [...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 76 24.1 RS485 command strings Command Parameters Meaning nCA - Clear LCD display nCH - Home the cursor nDO xxxxxxxxxx<,yyyyy> Set and run one dose of xxxxxxxxxx tacho pulses, with optional drip of yyyyy (maximum 11,000) tacho pulses. See note 1 nTC - Clear the cumulative tachometer count nSP xxx.x[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 77 25 Troubleshooting If the pump display remains blank when the pump is on, make the following checks:  Check the position of the voltage selector switch. The voltage selector is mounted in the switchplate at the rear of the pump, protected from water by the 520N module. The module must be removed t[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 78 25.1 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 of an external signal. They do not flash. Error condition Suggested action RAM write error A ttempt to reset by sw[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 79 26 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. 27 Drive spares Replaceable main fuse, type T2,5A H 2[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 80 28 The 520R, 520R2 and 520RE pumpheads Identification of parts 1 Guard latch 5 Rotor cap 9 Pumping roller 2 Guard (520R, 520R2) 6 T ube guide roller 10 T ube clamp slider (520R, 520R2) 3 T rack 7 R otor 11 T ube clamp (520R, 520R2) 4 Clutch button cover 8 Follower roller 12 Guard with seal (520RE) 13[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 81 28.1 Pumphead position, removal and replacement The pumphead track can be fitted in one of three orientations to provide right, up or down input/output port positions, whichever is convenient. P osition the pump- head so that the tube ports face up or down only where the drive is placed on the bench [...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 82 Rotor removal  Remo ve any tubing from the pumphead.  Open the flexible rotor cap in the centre of the rotor .  Undo and withdraw the centr al locating screw using a slotted screwdriver .  Pull the rotor hub off its dogged shaft.  Between the hub and the shaft is a split collet. If the[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 83 29 520R, 520R2 and 520RE installation 29.1 Opening the pumphead guard  Unlock the pumphead guard by turning the guard fastener 1 ⁄ 4 turn anticlockwise with a slotted screwdriver .  Open the guard to its full extent to create maximum clearance for the tube ports.  Ensure that the rollers r[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 84 29.2 520R and 520R2 tube loading 520R continuous tubing pumpheads are factory-set to accept W atson-Marlow 1.6mm-wall tubing. 520R2 continuous tubing pumpheads are factory set to accept W atson-Marlow 2.4mm-wall tubing. Pumping performance may be adversely affect- ed if W atson-Marlow tubing is not u[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 85  The spring-loaded tube clamps must grip the tubing tightly enough to stop it moving in and out of the pumphead but must not over -squeeze the tube and throttle fluid flow . The tubing clamps are fitted with yellow sliders which can be clicked into two positions while the clamps are held open: the[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 86 29.4 520RE Element loading 520RE tubing element pumpheads are factory-set to accept W atson-Marlow 2.4mm- wall tubing elements. Elements fitted with either quick -release industrial connectors or T ri-clamp sanitary connectors may be used; however , it is vital to match the pressure rating of the ele[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 87 Check that the conical connector sleeve of the element to be fitted is the same colour as the pumphead rotor cap 520RE element loading procedure Note : The element loading procedure is the same for industrial (pictured) and san- itary elements.  Select an appropriate W atson-Marlow 520RE tubing el[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 88 29.5 520RE Element connection Select suitable tubing to connect to the tubing element supply and discharge con- nectors. Check that its pressure rating is appropriate to the application. Sanitary 3 ⁄ 4 in mini-Tri-clamp connectors Sanitary connectors are connected to a tubing system using mini- T r[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 89 30 520R, 520R2 and 520RE maintenance  As part of regular cleaning and maintenance (and at least every three months), lubricate the pivot points, the follower rollers and the tube guide rollers with Ultra Lube (P A 1240), which is a non-toxic perfluoroether-based grease.  The stainless steel pum[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 90 General guide to cleaning with solvents 31 520R, 520R2 and 520RE rotor settings 520R, 520R2 and 520RE pumpheads are factory-set to give optimum tube life with W atson-Marlow tubing and elements. Radial roller positions should not be adjusted in any circumstances as this will adversely affect pumphead[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 91 32 Pumphead spares Parts ma y be ordered individually . 053.1011.100 520R 053.1011.2L0 520R2 053.1011.EL0 520REL 053.1011.EM0 520REM 053.1011.EH0 520REH 1 MNA2050A (520R, 520R2) Pumphead guard complete with tool-unlockable latch 2 MNA2045A (520R, 520R2) T rack assembly for cased pumps complete with s[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 92 33 Flow rates Pumping conditions For precise and repeatable performance it is important to determine flow rates under operating conditions for each new piece of tubing. When rotating counter-clockwise, 520R, 520R2 and 520RE pumpheads’ flow rates are directly proportional to rotor speed. When rotati[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 93 520RE Performance figures for the 520REL and 520REM ha ve been recorded against 2bar peak pressure and 4bar peak pressure respectively . Performance figures for the 520REH ha ve been recorded against 7bar constant pressure. Although the 520REL is rated to 2bar (30psi) peak pressure, the 520REM is r a[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 94 520R Fluorel (ml/min) Speed range 1.6mm 3.2mm 4.8mm 6.4mm 8.0mm 520DuN/R, 520DuN/R2 0.1- 220rpm 0.03- 70 0.13- 280 0.29- 630 0.51- 1100 0.80- 1800 520R Fluorel (USGPH) Speed range 1.6mm 3.2mm 4.8mm 6.4mm 8.0mm 520DuN/R, 520DuN/R2 0.1- 220rpm 0.0005- 1.1 0.002- 4.5 0.005- 10 0.01- 18 0.01- 28 520R Neo[...]

Elements Watson-Marlow 520DuN IP66/NEMA 4X User Manual 95 520REL Neoprene, Sta-Pure, Chem-Sure, Pumpsil (ml/min) 520REL Marprene / Bioprene TL (ml/min) Speed range 3.2mm 6.4mm 9.6mm 3.2mm 6.4mm 9.6mm 520DuN/REL 0.1- 220rpm 0.18- 390 0.70- 1500 1.6- 3500 0.17- 370 0.67- 1500 1.5- 3300 520REM Sta-Pure, Chem-Sure (ml/min) 520REM Marprene / Bioprene TM[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 96 Performance curves Marprene continuous tubing, 1.6mm wall, 200rpm, clockwise rotation Marprene continuous tubing, 1.6mm wall, 200rpm, counter-clockwise rotation[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 97 Marprene continuous tubing, 2.4mm wall, 200rpm, clockwise rotation Marprene continuous tubing, 2.4mm wall, 200rpm, counter-clockwise rotation[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 98 Marprene TL element, 0-2 bar (0-30psi), 200rpm, counter-clockwise rotation Sta-Pure element, 0-2 bar (0-30psi), 200rpm, counter-clockwise rotation Marprene TM element, 2-4 bar (30-60psi), 200rpm, counter-clockwise rotation Sta-Pure element, 2-4 bar (30-60psi), 200rpm, counter-clockwise rotation[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 99 Marprene TH element, 4-7 bar (60-100psi), 200rpm, counter-clockwise rotation[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 100 34 Tubing and element part numbers 1.6mm wall tubing for 520R pumpheads mm inch # Marprene Bioprene Chem-Sure 0.5 1 / 50 112 902.0005.016 903.0005.016 0.8 1 / 32 13 902.0008.016 903.0008.016 1.6 1 / 16 14 902.0016.016 903.0016.016 965.0016.016 3.2 1 / 8 16 902.0032.016 903.0032.016 965.0032.016 4.8 [...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 101 2.4mm wall tubing for 520R2 pumpheads mm inch # Marprene Bioprene Pumpsil 0.5 1 / 50 913.A005.024 0.8 1 / 32 913.A008.024 1.6 1 / 16 119 902.0016.024 903.0016.024 913.A016.024 3.2 1 / 8 120 902.0032.024 903.0032.024 913.A032.024 4.8 3 / 16 15 902.0048.024 903.0048.024 913.A048.024 6.4 1 / 4 24 902.0[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 102 2.4mm wall elements for 520RE pumpheads 0-2 bar (0-30 psi) pressure rated elements Industrial mm inch # Marprene TL Pumpsil Neoprene Chem-Sure 3.2 1 / 8 16 902.0032.PFQ 913.A032.PFQ 920.0032.PFQ 965.0032.PFQ 6.4 1 / 4 17 902.0064.PFQ 913.A064.PFQ 920.0064.PFQ 965.0064.PFQ 9.6 3 / 8 122 902.0096.PFQ [...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 103 35 520 series pumping accessories Accessory Description Part code Pump compatibility 520ANC Network cable, RS232, with 9-pin D-connectors 059.3121.000 520Du, 520Di 520ANX Network extension cable with 9-pin D-connectors 059.3122.000 520Du, 520Di 520ANA Network adaptor , 25-pin to 9-pin D-connectors 0[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 104 36 Trademarks Watson-Marlow , Bioprene , Pumpsil , LoadSure and Marprene are trademarks of W atson-Marlow Limited. Fluorel is a trademark of 3M. Sta-Pure and Chem-Sure are trademarks of W .L.Gore and Associates. 37 Warning not to use pumps in patient-connected applications Warning These products are[...]

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 105 39 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 W atson-Marlow or its subsidiaries or distribut[...]