RACK CONVEYOR DISHWASHER WD-151E - WD-421E
Contents
1. KO 2 NOM o 4p Installation of the machine the picture shows the WD 241E A Drain connection B Hole in the end plate for the waste pipe E_02_R1 1 Display 2 LEDs which indicate that functions are enabled 3 Button for automatic operation 4 Button for manual operation 5 Button to the feed 6 Button for the diagnostics function 7 Button for diagnostic messages 8 LED for indication of alarms 9 LED which lights when the power is switched on 10 Button for resetting alarm 11 On Off 12 Emergency stop 13 Electrical connection 14 Main switch 15 Electrical cabinet 16 Cold water connection 5 12 C 17 Hot water connection 55 70 C 18 Solenoid valve box 19 Photocell for wash start 20 Alternative hot water connection option 21 Alternative cold water connection option 22 Drain connection diameter 50mm 23 Steam connection option Condensation connection option 24 Impulse arm for final rinse 25 Alternative electrical connection from floor Installation WD 151E WD 421E Rev 3 0 201210 3 7 1 A Electrical connection This symbol on a component is a warning of electrical equipment The part may only be removed by a qualified electrician or trained personnel Information about electrical connections can be found on the machine s wiring di agrams The wiring diagrams are shown on the inside of the electrical cabinet door Store the diagrams in the electrical cabinet2. chine for operation 3 9 1 Start up schedule This should be completed and signed by the customer on start up Machine type Machine serial number Installation date Customer Address for visitors Postcode Town City Telephone Contact Dealer Telephone Contact Installation company Telephone Contact Service company Telephone Detergent supplier Telephone End user s signature Name in block capitals Read the installation and user manuals carefully Then check the following points 19 Installation WD 151E WD 421E Rev 3 0 201210 1 Check N Water steam and drain connections N That the machine is evenly balanced N That the closed doors are in line N That the benches conveyor bend etc are correctly fitted N Detergent and drying agent N Filters level pipe tank filter and curtains are in position N The mini switches for all the heating elements must be in the OFF position N That the overheating protection on the booster heater and the tank element are set to zero 2 Filling the machine N Close the doors N Switch on the main switch and press button 11 N Start the filling process by pressing button 3 or 4 N Fill the machine with water as per the INSTRUCTIONS FOR USE Note It takes approximately 10 minutes to fill the system In machines with ELECTRONIC the booster heaters fill automa
3. ee Ad Wexiddisk RACK CONVEYOR DISHWASHER WD 151E WD 421E translation of the original documentation Installation and user manual S N Valid from 01 10 2012 Rev 3 0 WD 151E WD 421E Rev 1 General information oso eee th eee neee 1 1 1 Symbols used in this manual sese eee eee 1 1 2 Symbols on the dishwasher sss se ie a ea i AE ke ie ae Oe ea i 2 1 241 Machine marking T 2 1 3 Checking that the machine and the manual correspond sese 2 2 Safety T 05T o le TTT 3 Zab General Information T 3 Be AN SION TTT 3 Iar Tle tsetse tet tie ce he ance a tA eco bite bol waned peat ta eee aa iR aides 3 2 4 Detergent and drying agent sss sse eee 4 Dalel enle d e Crushing FISK TT d 25 2 FISKE eT eleis soe secu ac ecres ees Gen Decade oct aaa a ae a scons a cdeertas eect iciecesa6ee 4 2 C CIC AMIN ntact satseteh cle a a akc adh Aldea ted tele at Mae cee atten 4 2 Oo PRESSUIEWASMING 9 acaceres tor eee elu tanec eect dele Cie dae ane 4 2 6 2 The outside of the machine sees eee eee 4 2 6 3 Cleaning ING NOON iri a a las Seat saat aA 5 2 7 Repairing and servicing the dishwasher eee eee eee eee 5 2 7 1 Safety instructions if the machine is not functioning esse eee eee 5 2 8 Recycling the machine sese eee eee eee 5 3 Installat lt T 6 3 1 General information sss eee theca eee eee eee 6 3 2 Requirements for the installation site eee eee eee 6 Boe LORUN ieiereettes cet a ete Sore eect tos So E Satan tor eats 6 SON Za 11 e TT
4. it is possible to order new ones from the manufacturer or the local distributor When ordering new man uals it is important to quote the machine number found on the rating plates Safety instructions WD 151E WD 421E Rev 3 0 201210 2 Safety instructions 2 1 General information 2 2 Transport 2 3 Installatio STOP gt o D The machine is CE marked which means that it complies with the requirements of the EU machinery directive with regard to product safety Product safety means that the design of the machine will prevent personal injury or damage to property Modifying the equipment without the approval of the manufacturer invalidates the manufacturer s product liability To further improve safety during installation operation and servicing the operator and the personnel responsible for installing and servicing the machine should read the safety instructions carefully Switch off the machine immediately in the event of a fault or malfunction The ma chine must only be serviced by trained engineers The regular checks described in the manual must be carried out in accordance with the instructions The ma chine must be serviced by a person authorised to do so by the manufacturer Use original spare parts Contact an authorised service company to draw up a pro gramme of preventative maintenance Dangerous situations may arise if the in structions above are not followed Before using the machine ensure that pers
5. 27 4 2 3 Emergency Stop nti et eda ct AD hed eh eee raid Ne el dead ted 27 4 2 4 Changing the water sse eee eee eee eee 27 4 3 After use cleaning sese eee eee eee eee 28 4 3 1 DANNY CLAIMING nsec A het ati ek Ne SN i 403 ARENA Eh hris 28 4 3 2 Cleaning and checking each week or aS required sse eee 31 4 3 3 Cleaning in the event of an alarm or ONCE a year see eee e 32 K Ee OPeratinG leiel lt T 34 5 Technical information sss sss sss sss sss s sss eaea eaea aa aenean 38 WD 151E WD 421E Rev 3 0 201210 General information 1 General information Read the instructions in this manual carefully as they contain important informa tion regarding the correct effective and safe installation use and servicing of the dishwasher Keep this manual in a safe place so that it can be used by other operators of the dishwasher The electronics in the machine are RoHS compatible 1 1 Symbols used in this manual This symbol warns of situations where a safety risk may arise The instructions given should be followed in order to prevent injury This symbol on a component is a warning of electrical equipment The machine is sensitive to electrostatic discharge ESD which is why a static electricity wrist band must be used when handling the electronics This symbol explains the correct way to perform a task in order to prevent poor results damage to the dishwasher or hazardous situations This symbol identifies recommendatio
6. MACHINE Total connected power kW WD 151E 32 6 Total connected power kW WD 211E 241E 40 1 Total connected power kW WD 331E 47 6 Total connected power kW WD 421E 58 1 Main fuse 400V 3N A WD 151E 50 Main fuse 400V 3N A WD 211E WD 241E 63 Main fuse 400V 3N A WD 331E 80 Main fuse 400V 3N A WD 421E 100 Max connection area 400V 3N L1 L3 N PE Cu mm 35 Other voltages on request 39 WD 151E WD 421E Technical information Rev 3 0 201210 CONNECTION STEAM HEATED MACHINE 150 250 kPa Total connected power kW WD 151E 1 85 Total connected power kW WD 211E WD 241E 3 4 Total connected power kW WD 331E 4 85 Total connected power kW WD 421E 6 0 Main fuse 400V 3N A WD 151E 16 Main fuse 400V 3N A WD 211E WD 421E 20 Max connection area 400V 3N L1 L3 N PE Cu mm 25 Steam internal thread WD 151E WD 241E R 3 4 Steam internal thread WD 331E WD 421E R 1 Condensing water internal thread RY Other pressures available on request Other voltages on request WATER DRAIN AND VENTILATION CONNECTION Water quality hardness dH 2 Hot water connection 50 70 C internal thread RY Cold water connection 5 12 C internal thread Rv Drain connection PP pipe 9 mm 50 Water capacity pressure kPa 250 600 Water capacity flow l
7. and 30 minutes and depends on the temperature G NOTE The time it takes for the machine to fill and heat up to the right washing of the incoming water 4 1 4 Filing and heating the machine using timer start option The machine can be made ready for operation using timer start with automatic fill ing and heating at a set time When using timer start all removable components level pipes outlet seals filters curtains etc must be in position and the doors must be closed Switch on the power to the machine using the button 11 The correspond ing LED lights up and the text in the display will indicate that the timer start has been activated Enter the number of hours until the machine should start on the timer 28 Press the button 29 to start the timer When the machine starts the sequence of events appears on the control panel display After filling and heating the machine will start and run for a while to mix the detergent Once the detergent is mixed the display will indicate that feeding should start Press the button 5 to start the conveyor belt The machine is now ready to wash 24 WD 151E WD 421E Rev 3 0 201210 Instructions for use Timer functions The timer scale can be adjusted if required to change the time range and time units that are displayed To adjust the scale use a screwdriver on the two adjuster screws A and C A E B C WDB83E_16 D The timer fu
8. nozzles 14 Clean the doors 17 Wipe the rubber strips on the doors which are fitted at the top of the back of the doors Rinse all the inside surfaces of the machine and clean the tanks Finally clean the strainer 19 Empty the final rinse tank and clean the filter 20 The filter is placed be hind the lower door at the outfeed end Refit the components Leave the doors open 28 WD 151E WD 421E Rev 3 0 201210 Instructions for use Cleaning the filter During the cleaning of the filter 20 the final rinse tank be drained Emptying of the tank is made in connection with the daily cleaning N Unscrew the cover C and remove the filter B Rinse the filter and cover N When refitting it is important to fit the filter correctly to ensure that it is not damaged and that no leakage occurs N First fit the filter B in the filter housing A then ensure that it is sitting straight N Fit the cover C does not need to be screwed tight Rec filter Removing fitting the filter A Filter housing B Filter C Cover Note that the tank for recirculatng rinse water should not be full when the filter is A N unscrewed or water will spill out into the dishwashing room 29 WD 151E WD 421E Rev 3 0 201210 Instructions for use A A Cleaning the outside of the machine Wipe the outside of the machine with a soft damp cloth If detergent is used it must not contain abrasives Detergents co
9. 1E 625 Weight machine in operation kg WD 241E 655 Weight machine in operation kg WD 331E 900 Weight machine in operation kg WD 421E 1020 Enclosure class IP 55 38 WD 151E WD 421E Rev 3 0 201210 Technical information CAPACITY AND OPERATING DATA Normal wash capacity baskets hour WD 151E 70 150 Normal wash capacity baskets hour WD 211E 100 200 Normal wash capacity baskets hour WD 241E 110 210 Normal wash capacity baskets hour WD 3351E 150 230 Normal wash capacity baskets hour WD 421E 150 230 Capacity in accordance with DIN 10510 baskets hour WD 151E 80 Capacity in accordance with DIN 10510 baskets hour WD 211E 120 Capacity in accordance with DIN 10510 baskets hour WD 241E 140 Capacity in accordance with DIN 10510 baskets hour WD 331E 190 Capacity in accordance with DIN 10510 baskets hour WD 421E 245 Cold water consumption normal final rinse litres basket 1 8 Steam consumption kg hour WD 151E 50 Steam consumption kg hour WD 211E WD 241E 60 Steam consumption kg hour WD 331E 70 Steam consumption kg hour WD 421E 75 Surface temperature at a room temperature of 20 C C 35 Noise level dB A 68 Maximum capacity 240 baskets hour When the machine is steam heated Measured 1 metre from the side of the machine CONNECTION ELECTRICALLY HEATED
10. 30 The water stopcocks are closed Open the stopcocks TIMEOUT FILLING The level pipe 25 or the outlet seals Close the level pipe and the outlet OF TANKS 21 are not closed The rubber seals PRESS RESET sleeves are not sealing against the Check the rubber sleeves bottom plate Reset the alarm using button 10 35 Instructions for use WD 151E WD 421E Rev 3 0 201210 Alarm text 31 TIMEOUT HEATING TANKS AND BOILERS PRESS RESET Cause The heating process took too long Action Reset the alarm using button 10 Contact service personnel 32 BASKET IN FINAL RINSE ZONE OR SENSOR ERROR B02 PRESS RESET Starting the machine with a basket in the final rinse zone The impulse arm is activated Remove the basket Reset the alarm using button 10 Contact service personnel 33 Close the door and start the feed by DOOR IS OPEN pressing button 5 CLOSE DOOR 40 The level pipe is not closed The lev Close the level pipe Check the rub LOW LEVEL IN TANK 1 PRE RINSE TANK el pipe s rubber sleeve is not sealing against the bottom plate ber sleeve 41 LOW LEVEL IN TANK 2 CHEM WASH TANK 1 The level pipe or the outlet seal are not closed The rubber sleeve does not seal against the bottom plate Close the level pipe or the outlet seal Check the rubber sleeve 42 LOW LEVEL IN TANK 3 CHEM WASH TANK 2 The outlet seal is not closed The
11. 6 32 3 Dran See ae ne E Tee OR Pre Oe ete eee 6 3 2 4 Space for servicing eee eee 6 3 3 Transport and Storage vie strewn sigs aed ial ee endear yeni ee aes 7 K Neele eal esse Sec Na ik A ek tat R NS tte Ah a te a 7 3 0 Mecycling The Packaging T 7 SS Installation aoc ates Atal Aa aia ale aha atl E E A a 8 3 6 1 Positioning the machine sse eee eee eee 9 WD 151E WD 421E Rev Daf OMMO CONS ss r eea aa a aet AM eee ede tes eel Bete E 10 3 7 1 Electrical CONMECION nae anena ao a eel ters Goer ate eae 11 O72 Water connection reia a aa asat 11 3 7 3 Steam connection option esse eee 11 3 7 4 Drain connection sek SGN ee ad eee 12 3 7 9 Talee 12 3 7 6 Installing extra equipment eee cece eee 12 O20 0 SEUNG i AER ON E 13 3 8 Installing detergent and drying agent equipment sese eee eee eee 15 3 8 1 Electrical connection of the equipment eee eee eee eee 16 3 8 2 Detergent dosing system sss esse essere 16 3 8 3 Drying agent dosing system sss eee eee 18 Sgal TU ses iea a EEE ot EAE a E EEEE E ee es 19 3 9 1 Start up schedule sse eee 19 3 10 Tec hnicaldoc mentatioN nsise aa a TE 21 A Instructions e dT 22 A Haele Tle 22 4 1 1 The machine s design esse seene 22 4 1 2 Preparations before filling sss ee eee eee 23 4 1 3 Filling and heating the machine sse eee eee eee 24 4 1 4 Filing and heating the machine using timer start option sees eee 24 4 2 Using the machine satis tS eee eee 26 AO WV L sl TTT 26 4 2 2 Guaranteed final rinse esse eee
12. IN TANK 3 CHEM WASH TANK 2 81 LOW TEMPERATURE IN TANK 4 CHEM WASH TANK 3 The temperature in tank 4 is too low Reset the alarm using button 10 Contact service personnel 36 Instructions for use WD 151E WD 421E Rev 3 0 201210 Alarm text 66 LOW TEMPERATURE IN THE FINAL RINSE BOILER Cause The temperature in the booster heat er is too low when the final rinse starts Action Reset the alarm using button 10 Contact service personnel 71 WASHING DETER GENT ALARM ACTIVE CHECK DETERGENT DEVICE The detergent has run out Check and will with new detergent 74 POWER GUARD ACTIVATED PART OF EQUIPMENT IS TURNED OFF OPTIONAL 77 FINAL RINSE ERROR SENSOR ERROR FLOW METER BV02 Reset the alarm using button 10 76 The water supply is shut off Check that the stopcocks on the in FINAL RINSE ERROR coming water supply are open Re NO FLOW IN set the alarm using button 10 THE MACHINE 75 The rinse nozzles 15 for the final Clean the nozzles Reset the alarm FINAL RINSE ERROR rinse are blocked using button 10 LOW FLOW IN THE MACHINE 80 STRAINER STOPPED IN TANK 02 CLEAN FILTER AND PRESS RESET The strainer 19 and the filter 20 in the final rinse zone are blocked Clean the filters Reset the alarm us ing button 10 83 TIME FOR MAINTANANCE CONTACT YOUR MAINTANANCE SUPPLIER Co
13. Transport and storage Always transport the machine in an upright position Take care during transport as there is a risk of the equipment tipping over NOTE The machine must not be transported without a pallet or other support A N Some form of support beam must always be used along the sides of the machine during transport otherwise the machine may become damaged When transport ing the machine without a normal wooden pallet always check that none of the components underneath the machine can be damaged If the machine is not being installed immediately it must be stored in a frost free area where the air is dry 3 4 Unpacking Check against the delivery note that all the units have been delivered Inspect the machine for any transport damage 3 5 Recycling the packaging G Packaging must be disposed of or recycled in accordance with local regulations Installation WD 151E WD 421E Rev 3 0 201210 3 6 Installation E03 R2 SR E E Oe NOs lt k k k k tC O E ON es I I ae j I e D Ee op of ae TT S T umy wy Electrical connection Cold water connection filter Hot water connection filter Drain connection Steam connection Condensation connection Floor drain Co
14. achine The water temperatures are maintained The washed items are clean The washed items are dried Final check Empty the machine press button 11 and switch off the power using the main switch Re tighten all the connections on the circuit breakers and relays Check that all the mini switches and the motor cut off switch are in the ON position Display the maintenance instructions supplied with the machine 8 Train the dishwashing staff 3 10 Technical documentation iJ To ensure that the machine is used correctly it is essential that the documenta tion supplied with the machine is made available to the staff who will be using the machine The installation and user manuals should be kept near the machine If the service manual is supplied with the machine it should be given to the serv ice engineer who is responsible for the machine If the spare parts manual is supplied with the machine it should be given to the service engineer who is responsible for the machine If the WEB Tool manual is supplied with the machine it must be kept near the ma chine 21 WD 151E WD 421E Rev 3 0 201210 Instructions for use 4 Instructions for use All staff using the machine must be given training in how the machine works by the person responsible for staff safety The dishwasher should not be used by anyone suffering from a physical or mental illness Children should be supervised to ensure that they do not
15. after installation The machine has a built in main switch 14 Connect the electric cable at 13 NOTE In special cases certain dishwashers may have an electrical connection from the floor The cable is then drawn behind the cover plate at 25 Check the direction of rotation of the pump motors during operation when the tanks are full of water The direction of rotation must conform without exception to the direction of the arrow on the pump Stop the dishwasher immediately if the direction of rotation is incorrect and change two of the incoming phases An earth cable for potential equalisation is connected to the earth bolt on the stand The connection is located on the beam by the final rinse zone and fitted with the following rating plate g Rating plate for earth bolt After completing the electrical installation switch on the main switch and all circuit breakers 3 7 2 Water connection iJ Connect the cold and hot water pipes according to the labels by the connection points 20 21 If the machine is connected to a hose the internal diameter of the hose must be at least 12 mm The hot water connection is fitted with a filter The cold water connection is fitted with a filter non return valve and vacuum valve The connections have an internal thread A stopcock must be installed on the water supply pipes It is important that the water supply has sufficient pressure to ensure the correct flow of water to
16. con nection points See the machine s wiring diagram NOTE The machine s voltage is 24V Conveyors Installation of in and outfeed equipment conveyors curves is performed in ac cordance with the wiring diagram s main circuit instructions This applies to ma chines equipped with a motor switch and contactors for this equipment Connection of supply voltage to the in and outfeed equipment is performed in ac cordance with the wiring diagram s instructions NOTE The machine s voltage is 24V agram and follow the connection instructions This affects the manufacturers lia T When fitting a motor switch and contactors use the components on the wiring di bility see SAFETY INSTRUCTIONS Emergency stop An additional emergency stop can be connected at the lower terminal block which is placed in front of the chemical wash tank Replace the existing clamp on the connection points with the connection for a new emergency stop See the ma chine s wiring diagram NOTE The machine s voltage is 24V Installation WD 151E WD 421E Rev 3 0 201210 3 7 7 Setting the flows WD 151E Flows Cold water final rinse no 117078 no 117078 YO2 final rinse 7 0 0 2 I min 1 8 l min Overflow final rinse to chemical tank 2 l min Recirculating rinse 5 0 0 0 3 I min From M02 to the drain PRM 5 0 0 0 3 I min Y05 cooling c
17. designed T When the floor is being cleaned using a pressure washer water can splash up to withstand being washed with water Never use a pressure washer to clean the floor within 1 metre of the dishwasher without the special protective covers that are available to prevent splashing Problems with splashing can also occur when using ordinary hoses 2 7 Repairing and servicing the dishwasher pipes and the booster heater Disconnect the power supply before removing the front panel Avoid touching hot 2 7 1 Safety instructions if the machine is not functioning T Check the following N Does the display show any error messages Has the machine been used according to the instructions Are all the removable parts in the correct place Is the mains switch in the ON position Are the fuses in the electrical cabinet undamaged Ask the service person nel to check the fuses If this does not solve the problem ask authorised service personnel to check the machine 2 8 Recycling the machine in accordance with current regulations Contact professionals who specialise in T When the dishwasher has reached the end of its service life it must be recycled recycling Installation WD 151E WD 421E Rev 3 0 201210 3 Installation 3 1 General information A A The machine must be installed by authorised personnel only Read these instructions carefully as they contain important information regarding the correct instal
18. e bas kets Items positioned incorrectly in the baskets Put the items in the correct position The items are too light Use a mesh grid to hold the items in place The washed items do not dry The rinsing nozzles are blocked Check and clean the nozzles Too little drying agent Check the quantity of drying agent When you contact service personnel you will need to provide the following infor mation N Machine model N Machine serial number and installation date N A brief description of the problem N What happened immediately before the fault occurred 34 WD 151E WD 421E Rev 3 0 201210 Instructions for use Machine faults and user errors Machine faults and user faults are indicated by messages on the display 1 The alarms indicated with a flashing LED 8 can be reset by pressing button 10 when the cause of the alarm has been rectified Alarms that are indicated by the fact that LED 8 is lit but not flashing cannot be reset by the operator The following alarms can be dealt with by the operator For other alarms or if an alarm reset with button 10 recurs authorised service personnel must be con tacted Alarm text Cause Action 63 POWER SUPPLY The emergency stop button 12 Is Reset the emergency stop by turning FAILURE depressed it in the direction of the arrows Re CHECK THE start the machine EMERGENCY SWITCH 1 The emerg
19. e final rinse water is always correct and the right amount of rinse water is always used If the rinse temperature is too low an alarm is triggered on the control panel The machine continues washing until the right temperature is reached However the alarm can be reset in the meantime by pressing button 10 on the panel The wash programme continues but the machine will then rinse at a lower tempera ture However an alarm is displayed If the flow during the final rinse is too low an alarm is displayed on the control pan el The alarm can also be set up to stop the machine The factory setting is for an alarm only If you need an alarm which stops the machine the setting must be changed by a service engineer in the machine s software 4 2 3 Emergency stop The machine has an emergency stop button 12 If the machine has been stopped during operation using the emergency stop button the button must be re set by turning it in the direction of the arrows Then press the button 5 to restart the feed 4 2 4 Changing the water NOTE The water in the wash tank must be changed regularly otherwise foam will start to form and the washing results will deteriorate If the filters are clogged with foam or if foam comes out of the waste pipe the water must be changed im mediately For best wash results it is important that the water in the tanks is changed when it becomes too dirty The water should always be changed if foam begins to fo
20. ency stop button 12 is Reset the emergency stop by turning EMERGENCY STOP depressed it in the direction of the arrows Start ACTIVATED the feed by pressing button 5 100 Internal memory corrupt Reset the alarm by pressing button NOMINAL VALUES 10 Contact service personnel RESTORED FROM UI 14 WEAK SIGNAL Dirt on the photocell 26 inside the Clean the photocell The alarm in the FROM PHOTOCELL infeed hood display will disappear after cleaning START WASH CLEAN PHOTOCELL 47 HACCP ALARM One of the pumps is not working Reset the alarm using button 10 PUMP FUNCTIONALITY Contact service personnel DEFECT PRESS RESET 64 HACCP ALARM The washing temperature in one of Reset the alarm using button 10 WRONG TEMPERAURE the tanks is too low Contact service personnel IN TANK PRESS RESET 67 HACCP ALARM The temperature in one of the boost Reset the alarm using button 10 WRONG TEMPERATURE er heaters is too low Contact service personnel IN BOILER PRESS RESET 72 HACCP ALARM The detergent has run out Check and will with new detergent WASHING DETERGENT Reset the alarm using button 10 FUNCTIONALITY DEFECT PRESS RESET 78 HACCP ALARM The water stopcock is closed The Open the stopcock Clean the noz FINAL RINSE rinse nozzles 15 for the final rinse zles Reset the alarm using button DEFECT are blocked 10 PRESS RESET 29 Reset the alarm using button 10 EXTERNAL ALARM Contact service personnel INPUT ACTIVATED
21. he bottom plate of the battery box Then check that the drain E is not blocked Next clean the condensing battery D Rinse between the cooling fins from above If the condensing battery is very dirty a cleaning product with a neu tral ph which will dissolve grease can be used Check the drain Finish by washing the base of the battery box again Replace the condensing battery using the lifting arm C attach the cover plate securely B using the wing nuts before fitting the top panel A 33 Instructions for use WD 151E WD 421E Rev 3 0 201210 4 3 4 Operating problems Troubleshooting In addition to the faults shown on the control panel other faults can occur The table below shows some faults which can be rectified by the operator If the prob lem persists contact authorised service personnel Problem Cause Action Yo indication on the contro pane The mains switch IS OTT Turn on the mains Switch This IS To display when the power is switched on by pressing button 11 cated on the door of the machine s electrical cabinet The machine does not fill with water The stopcock on the incoming water supply is closed Open the stopcock The doors are open Close the doors The machine does not stop filling Level pipe or outlet seal not in place Fit the level pipe or outlet seal The level pipe or one of outlet seals rubber sleeves are not sealing against the bottom
22. he timer dial to 5 The window D should display the time unit 10 hrs which can be set using the screw C 25 WD 151E WD 421E Rev 3 0 201210 Instructions for use 4 2 Using the machine work in rack conveyor or flight type machines in order to ensure good washing re sults Amongst other things it recommends that the contact time should be around 120 seconds for normally soiled loads The contact time is the time which the load spends in a wash or rinse zone with washing water containing detergent In principle this means the period from when the load enters the pre wash zone to when it is rinsed with clean water in the final rinse zone The standard is a use ful means of comparing the capacity and consumption of different dishwashers G DIN 10510 is a German standard which describes how the washing process must 4 2 1 Washing Feeding loads into the machine N Before feeding dishware into the machine soak dried on food and remove large food particles The items must not be soaked or pre washed with or dinary washing up liquid N Put the items in baskets Plates and trays should be placed lengthways in the dishwasher Canteens and large items should always be upended in special racks N Push the basket carefully towards the feed opening until the feed device hooks the basket in place Once the feed device begins to pull the basket into the machine the basket must A N not be pushed manually This may disturb the wa
23. hemical tank through the plugged hole in the cover plate Terminal box with connections for detergent and drying agent WD 151E WD 421E Rev 3 0 201210 Installation 3 8 1 Electrical connection of the equipment The machine comes ready for fitting detergent and drying agent equipment but this is not included with the machine To avoid making unnecessary holes in the machine the equipment should be placed on the wall behind the machine on the outfeed side se 2 plintar Connections for detergent and drying agent NOTE 230V 3 8 2 Detergent dosing system The water outlet 1 for the detergent dosage is placed on the incoming hot water pipe Fli Hki Mi N H d be r Es Tc a varmvatten Hot water outlet WD 151E WD 421E Rev 3 0 201210 Installation proppade_R1 Plugged holes for hoses for detergent and drying agent klister Adhesive label indicating alternative opening for detergent Plugg Plugged hole for measuring cell WD 151E WD 421E Rev 3 0 201210 Installation 3 8 3 Drying agent dosing system The connection for drying agent 6 is located next to the booster heaters torkmedel Drying agent dosage outlet A Lower booster heater WD 151E WD 421E Rev 3 0 201210 Installation 3 9 Trial run Prepare the machine for a trial run by following the INSTRUCTIONS FOR USE The instructions describe the measures that must be taken to prepare the ma
24. itres minute 11 Floor drain capacity litres second 3 Heat load to the room sensible kW WD 151E 4 5 Heat load to the room sensible kW WD 211E WD 241E 5 3 Heat load to the room sensible kW WD 331E 6 5 Heat load to the room sensible kW WD 421E 7 7 Heat load to the room latent kW WD 151E 3 Heat load to the room latent kW WD 211E WD 241E 3 7 Heat load to the room latent kW WD 331E 4 5 Heat load to the room latent kW WD 421E 5 3 Heat load to the room total kW WD 151E 7 5 Heat load to the room total kW WD 211E WD 241E 9 Heat load to the room total kW WD 331E 11 Heat load to the room total kW WD 421E 13 Capacity blower heat recovery m3 h WD 151E WD 241E 100 Capacity blower heat recovery m h WD 331E WD 421E 150 40 Technical information WD 151E WD 421E Rev 3 0 201210 SIZE AND WEIGHT FOR TRANSPORT STANDARD MACHINE Size LxWxH m WD 151E 2 1x0 8x2 0 Size LxWxH m WD 211E 2 7x0 8x2 0 Size LxWxH m WD 241E 3 0x0 8x2 0 Size LxWxH m WD 331E 3 9x0 8x2 0 Size LxWxH m WD 421E 4 8x0 8x2 0 Weight kg WD 151E 400 Weight kg WD 211E 510 Weight kg WD 241E 550 Weight kg WD 331E 680 Weight kg WD 421E 790 Normal delivery fully assembled If necessary delivered in smaller components Including packaging 41
25. lation method The instructions should be used together with the machine s wiring diagram and flow diagrams for water and steam The machine is CE marked The CE mark is only valid for machines that have not been modified If the machine is damaged as a result of the instructions not being followed this invalidates the supplier s guarantee and the product liability 3 2 Requirements for the installation site 3 2 1 Lighting In order to ensure the best possible working conditions during installation opera tion servicing and maintenance make sure that the machine is installed in a well lit room 3 2 2 Ventilation 3 2 3 Drains The machine produces heat and steam when in operation In order to ensure the best possible working conditions a certain air change rate is required in the dish washing room The ventilation requirements for the room are dimensioned as per applicable standars There must be a floor drain with an effective trap for the machine s waste water and for water used for cleaning The drain should be located under the machine s loading bench The floor drain capacity can be found in the TECHNICAL SPECI FICATIONS 3 2 4 Space for servicing A 1 metre area should be left clear in front of the machine for servicing purposes The area above the machine must not contain any equipment which could pre vent the fitting servicing and replacement of parts WD 151E WD 421E Rev 3 0 201210 Installation 3 3
26. ll cleaned components N Decalcify the machine when necessary If necessary springs cleans by flushes with a hose from the side The spring must A N NOT be pulled out The door in front of the spring should be closed 31 WD 151E WD 421E Rev 3 0 201210 Instructions for use 4 3 3 Cleaning in the event of an alarm or once a year The machine s condensing battery D must be cleaned at least once a year or when an alarm with a message about cleaning the battery appears on the control panel display ICS_ESP_04_R1 A Top panel B Cover plate C Lifting arm D Condensing battery E Drain F Fan motor 32 Instructions for use WD 151E WD 421E Rev 3 0 201210 A NOTE When cleaning the battery and the base of the battery box do not use more water than the drain E under the battery can remove from the machine The battery must be cleaned with hot water at normal pressure Do not aim the water directly at the fan motor 5 on the end of the battery The electric motor may be damaged if it is rinsed with high pressure water Remove the top panel A on the condensing battery box Remove the cover plate B from the condensing battery by unscrewing the wing nuts which fasten it in place Lift up the condensing battery using the lifting arm C to make it easier to remove Check from inside the machine that the drain E under the battery is not blocked With the condensing battery removed begin by cleaning t
27. n switch Timer for a timed start of the machine option Button for activating the timer option 4 1 2 Preparations before filling Check that the machine has been cleaned and that the stopcocks on the water supply are open that the main switch is switched on the amount of detergent and drying agent items soaking pre washing etc Ordinary washing up liquid must not be used T NOTE Washing up liquid must not be used in the machine or for pre treating in the machine or for soaking It causes foam to form and produces poor washing results Fit level pipe 25 and outlet seals 21 Hook them firmly in position on the lift ing arm 23 and check that they are closed The rubber sleeve 22 must seal against the base plate Check that the rubber sleeve has not been damaged strainers 19 24 curtains 13 23 Instructions for use WD 151E WD 421E Rev 3 0 201210 4 1 3 Filling and heating the machine Turn the main switch 27 to the ON position Close the doors Press button 11 to switch on the power supply Start the filling process by pressing button 3 or 4 The filling and heating process will begin When the machine is filled and heated it starts and runs for a while to mix the detergent When the detergent is mixed the message on the display indicates that the feed should start Start the feed by pressing the button 5 The machine is now ready to wash temperature varies between 5
28. nctions A Adjuster screw for changing the time range of the scale The screw has two po sitions By turning it the scale can be adjusted to the time ranges of 0 2 12 and 0 5 30 Use the adjuster screw C to set the time unit to hours B LED which flashes when the timer is activated and the countdown of the set time is in progress C Adjuster screw for changing the time unit Turn the screw with a screwdriver to change the setting of the timer scale to seconds minutes or hours The time unit is shown in the window D D Time unit display The time units which can be selected using the adjuster screw C are shown in the table below E LED which indicates that the time countdown has finished The timer scale should preferably be set to hours if the timer start is to be used time units hrs and 10 hrs in the table The table shows all the possible set tings which can be displayed in the window D with examples of how you set the number of hours until the machine starts Setting the time unit The time unit shown in the window D 0 1 s seconds x 0 1 Example of settings sec seconds 10 s seconds x 10 min minutes 10 m minutes x 10 hrs hours If the machine is to start in 10 hours time set the timer dial to 10 The window D should display the time unit hrs which can be set using the screw C 10 h hours x 10 If the machine is to start in 50 hours time set t
29. nd the impulse arm 24 for the final rinse behind the final rinse door Close the doors Feed a number of baskets through the machine Press button 6 The display shows SETPOINTS DIAGNOSIS RELAY TEST STATISTICS Select DIAGNOSIS by pressing button 6 Press button 7 and scroll down until the text DI16 CARD1 BV02 FLOW SEN SOR appears on the display Read off the flow in litres minute and if necessary adjust it using the reducing valve After checking and adjusting press and hold button 6 until the corresponding LED goes out Reset the photocell and the impulse arm to the initial position To set the final rinse temperature see the ADJUSTMENT INSTRUCTIONS Installation WD 151E WD 421E Rev 3 0 201210 3 8 Installing detergent and drying agent equipment OT E Nar N D diskm_R1 Hot water outlet Alternative location of detergent equipment Hole 25 mm for hose intended for detergent in solid form Hole 19 mm for drying agent hose Plugged connection 18 mm for connecting hose for detergent in solid form Drying agent dosage outlet Plugged connection 11 mm for liquid detergent Plugged hole 22mm for measuring cell The measuring cell is connected in the terminal box 10 DETERGENT sticker The label is affixed to the inside rear wall of the chemical wash tank and indicates the alternative position of the detergent opening Drill a hole from the back of the c
30. ndensing battery exhaust fan Alternative electrical connection Alternative cold water connection Alternative hot water connection Alternative drain connection Non return valve Vacuum valve Detergent dosage outlet Main switch WD 151E WD 421E Rev 3 0 201210 Installation WD 151E WD 211E WD 241E WD 331E WD 421E A 1360 2260 B 1670 1670 C 1230 1830 2130 3030 3930 D 1535 2135 2435 3335 4235 E 1655 2255 2555 3455 4355 A 3 6 1 Installation dimensions at bench height Check that the overheating protection on the booster heater and the tank element are set to zero Positioning the machine Remove the protective plastic on the sides which will be put against the wall The distance to the wall should be 15 30 mm Put the machine in position and check that it is horizontal using a spirit level Ad just the height using the machine s legs l l The machine must be evenly balanced and checked on three sides ll CEIT_plac_R1 N On the cover edge of the front a tank body N On the cover edge of the infeed b N On the cover edge of the outfeed c Once the machine has been filled with water check that it is level Close the doors and check that the tops of the doors are in a straight line Adjust the machine us ing the legs WD 151E WD 421E Rev 3 0 201210 Installation 3 7 Connections 13 14 15 16
31. ng and drying agents Protective gloves and 2 5 Operation 2 5 1 Crushing risk outfeed ends of the machine and also in the scullery equipment such as corner The reciprocating action of the feeding cradle might cause injuries at the in and feeding moving straight parts and conveyor bends connected to the machine 2 5 2 Risk of slipping Keep the floor dry to eliminate any risk of slipping Mop up any water which has been spilled 2 6 Cleaning The temperature of the water in the tank is approx 60 C and contains detergent Be careful when draining and cleaning the tank Use protective gloves 2 6 1 Pressure washing The machine must not be cleaned with a pressure washer If pressurised water is directed at the electrical cabinet the water may penetrate the cabinet and dam age the electrical equipment which may affect the safety of the machine In order to satisfy current requirements electrical components of approved enclo sure classes are used There is no enclosure class capable of withstanding high pressure 2 6 2 The outside of the machine Pressure washers and hoses must not be used to wash the outside of the ma A N chine Water can penetrate into the electrical cabinet and the control panel and damage the equipment which may affect the safety of the machine Safety instructions WD 151E WD 421E Rev 3 0 201210 2 6 3 Cleaning the floor under the machine and damage the components These have not been
32. ns and hints to help you to get the best per formance from the machine This symbol explains the importance of careful and regular cleaning of the ma HACCP chine to meet hygiene requirements ISE Po WD 151E WD 421E Rev 3 0 201210 General information 1 2 Symbols on the dishwasher may only be removed by a qualified electrician The machine is sensitive to elec trostatic discharge ESD which is why a static electricity wristband must be used when handling the electronics This symbol on a component is a warning of electrical equipment The component 1 2 1 Machine marking The machine has two rating plates one of which is placed at the bottom of one side of the machine and the other in the electrical cabinet The technical informa tion on the plates is also included on the machine s wiring diagram The various rating fields show Wexiddisk CE TR Type WW s SN 8 IP 4 Syv ON 7 Hz A kW i 10 kw 1 TW Mardvagen 4 S 352 45 VAXJO SWEDEN QA Machine type Machine serial number Year of manufacture Enclosure protection class Voltage Number of phases with or without zero Frequency Main fuse Motor output Electrical heat output Max output eS OOO OM ee I 1 3 Checking that the machine and the manual correspond Check that the type description on the rating plate corresponds with the type de scription on the front of the manual If manuals are missing
33. ntact service personnel Reset the alarm using button 10 37 WD 151E WD 421E Technical information Rev 3 0 201210 5 Technical information The manufacturer reserves the right to make changes to the technical data TECHNICAL DATA Pump motor pre wash kW WD 217E WD 421E 1 5 Pump motor chemical wash 1 kW 1 5 Pump motor chemical wash 2 kW WD 331E WD 421E 1 5 Pump motor chemical wash 3 kW WD 421E 1 5 Pump motor recirculating rinse kW 0 11 Heat recovery fan kW 0 12 Drive motor kW 0 12 Booster heater 1 kW WD 151E 9 Booster heater 1 kW WD 211E WD 421E 12 Booster heater 2 kW WD 151E 9 Booster heater 2 kW WD 211E WD 421E 12 Tank heater chemical wash 1 kW WD 151E WD 241E 12 Tank heater chemical wash 1 kW WD 331E WD 421E 9 Tank heater chemical wash 2 kW WD 331E WD 421E 9 Tank heater chemical wash 3 kW WD 421E 9 Heat recovery cooling surface m 25 Heat recovery fan flow m hour 100 Tank volume pre wash litres WD 211E 51 Pump motor pre wash litres WD 241E WD 421E 77 Tank volume chemical wash tank 1 litres 100 Tank volume chemical wash tank 2 litres WD 331E WD 421E 100 Tank volume chemical wash tank 3 litres WD 421E 100 Tank volume final rinse tank litres 6 Weight machine in operation kg WD 151E 490 Weight machine in operation kg WD 21
34. ntaining abra sives will damage the stainless steel panels The outside of the machine must not be hosed down Water can enter the ma chine and damage the control panel and electrical equipment Incorrect cleaning methods NOTE If the incorrect cleaning method is used this may damage the machine The following points must be observed Do NOT use steel wool as it will cause corrosion to form in the machine Pressure washers can damage the machine and must NOT be used for cleaning purposes Never use a pressure washer to clean the floor within 1 metre of the dishwasher without the special protective covers that are available to prevent splashing The supplier cannot be held liable for any faults caused by the use of pressure washers on the machine and any such use will invalidate the warranty There is a risk of splashing even if the floor is hosed down stalh Steel wool and pressure washers must not be used for cleaning 30 WD 151E WD 421E Rev 3 0 201210 Instructions for use 4 3 2 Cleaning and checking each week or as required Weekly cleaning should be more thorough than daily cleaning In addition to the daily cleaning measures follow these instructions N Clean the washer arms 14 Brush and rinse the inside of the washer arms and clean the nozzles N Check and clean the rinse nozzles 15 N Remove and clean the doors 17 Open the door depress the catch 16 and lift the door vertically N Refit a
35. ondensing battery 3 7 0 2 l min WD 211E Flows Cold water final rinse no 117078 no 117078 Y02 final rinse 7 0 0 2 I min 1 8 l min Overflow final rinse to chemical tank 2 l min Recirculating rinse 5 0 0 0 3 I min From M02 to the drain PRM 5 0 0 0 3 I min Y05 cooling condensing battery 3 7 0 2 I min WD 241E Flows Cold water final rinse no 117078 no 117078 Y02 final rinse 7 0 0 2 I min 1 8 l min Overflow final rinse to chemical tank 2 l min Recirculating rinse 4 4 0 0 3 I min From M02 to tank 1 PRM 5 0 0 0 3 I min Y05 cooling condensing battery tank 1 3 7 0 2 I min WD 331E Flows Cold water final rinse no 117078 no 117078 Y02 final rinse 7 0 0 2 I min 1 8 l min Overflow final rinse to chemical tank 2 l min Recirculating rinse 4 4 0 0 3 I min From M02 to tank 1 PRM 5 0 0 0 3 I min Y05 cooling condensing battery tank 1 3 7 0 2 I min WD 421E Flows Cold water final rinse no 117078 no 117078 Y02 final rinse 7 0 0 2 I min 1 8 l min Overflow final rinse to chemical tank 2 l min Recirculating rinse 4 4 0 0 3 I min From M02 to tank 1 PRM 5 0 0 0 3 I min Y05 cooling condensing battery tank 1 3 7 0 2 I min Installation WD 151E WD 421E Rev 3 0 201210 Final rinse The final rinse flow is adjusted using the reducing valve which is in the solenoid box 18 The machine feed must be running Activate the photocell 19 at the infeed end a
36. onnel are given the necessary training in operating and maintaining the machine Handle the machine with care during unloading and transport to avoid the risk of it tipping over Never lift or move the machine without using the wooden packag ing to support the stand n This symbol on a component is a warning of electrical equipment The machine is sensitive to electrostatic discharge ESD which is why a static electricity wrist band must be used when handling the electronics Water and steam pipes must only be connected by authorised personnel Water pipes must be connected in a way that complies with the current regula tions of the local water supply authority Check that the water and steam connec tions are tight before operating the machine Make sure that the mains voltage is the same as that indicated on the machine s rating plate WD 151E WD 421E Rev 3 0 201210 Safety instructions 2 4 Detergent and drying agent Only detergent and drying agent intended for industrial dishwashing machines A N must be used NOTE Washing up liquid must not be used in the machine or for pre treating items Soaking pre washing etc Contact your detergent supplier regarding the choice of a suitable detergent safety glasses should be used when handling dishwasher detergent Read the warning text on the detergent and drying agent containers as well as the deter gent supplier s regulations Be aware of the risk of handling washi
37. outlet seal s rubber sleeve is not sealing against the bottom plate Close the outlet seal Check the rub ber sleeve 43 The outlet seal is not closed The Close the outlet seal Check the rub LOW LEVEL IN outlet seal s rubber sleeve is not ber sleeve TANK 2 3 sealing against the bottom plate CHEM WASH TANK 1 2 44 The outlet seal is not closed The Close the outlet seal Check the rub LOW LEVEL IN TANK 4 CHEM WASH TANK 3 outlet seal s rubber sleeve is not sealing against the bottom plate ber sleeve 45 LOW LEVEL IN FINAL RINSE TANK The outlet seal is not closed The outlet seal s rubber sleeve is not sealing against the bottom plate Close the outlet seal Check the rub ber sleeve 61 OVERLOAD FEEDING ACTIVATED REMOVE OBJECT RESTART FEEDING An object has stopped the feed Remove the item Start the feed by pressing button 5 85 OVERLOAD FEEDING ACTIVATED PRESS RESET Reset the alarm using button 10 52 FEEDER LIMIT SWITCH ACTIVATED REMOVE OBJECT FROM THE FEEDER LIMIT A basket has activated the limit switch Remove the basket The feed will start automatically 61 The temperature in tank 2 is too low Reset the alarm using button 10 LOW TEMPERATURE Contact service personnel IN TANK 2 CHEM WASH TANK 1 62 The temperature in tank 3 is too low Reset the alarm using button 10 LOW TEMPERATURE Contact service personnel
38. plate Check that the level pipe and drain seals are closed Replace the rubber sleeves if they are damaged The machine does not start washing The doors are not closed Close the doors Outward feed conveyor limit switch has been activated Remove the basket from the limit switch The display indicates that one door is open An object is preventing the door from closing Remove the object Noise from the wash pump Low water level in the tank Check that the tank s level pipe or outlet seal are closed Change the rubber sleeve if it is damaged Foam in the tank Change the water The machine is not cleaning proper ly The rinsing and washing nozzles are clogged with dirt Check and clean the nozzles There is too little detergent Check the amount of detergent Foam formation in the washing tanks Check that the washing temperature is not too low and that the correct de tergent is being used Change the water if foam forms Dirt has dried on the items to be washed Soak the items before washing The water in the tanks is too dirty Change the water The items are incorrectly positioned in the baskets Use the right type of basket for the items and put the items in the basket following the instructions in the sec tion Using the machine Curtains fitted incorrectly Fit the curtains correctly The items are tipped over in th
39. play with the machine Text messages appear on the machine s display which indicate what the machine is doing The machine s reference values which can be changed and alarms of different types also appear on the display FOO The machine is intended for washing items used to prepare and serve food in cluding various types of items for storing food You should therefore use a deter gent suitable for this type of washing 4 1 Preparations 4 1 1 The machine s design 14 17 15 16 29 28 27 13 a a 3 o TO 4 I lt 8 str 8 26 ig S E4 7o ie a ee oro i 11 25 24 21 24 23 22 22 Instructions for use WD 151E WD 421E Rev 3 0 201210 OOO OT RO R 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 Display LEDs which indicate that functions are enabled Button for automatic operation Button for manual operation Button to the feed Button for the diagnostics function Button for diagnostic messages LED for indication of alarms If the LED flashes the alarm can be reset by pressing button 10 LED which lights when the power is switched on Button for resetting alarm On Off Emergency stop Curtains Wash arms Rinse nozzle Catch Door Lever for emptying the tanks Filter for the final rinse Filter Outlet seal Rubber sleeve Lifting arm for level pipe and outlet seals Filters Level pipes Photocell Mai
40. rm in the washing tanks N Switch the machine off by pressing button 11 N Remove the filters 24 and drain the tanks by pulling the lever 18 N When the tanks have been drained close the level pipes and the outlet seals using the lever 18 N Replace the filters N Refill the machine See Filling and heating the machine 27 Instructions for use WD 151E WD 421E Rev 3 0 201210 4 3 After use cleaning HACCP 4 3 1 Daily cleaning HACCP is a preventive inspection system which ensures that hygiene require ments are met during the washing process and the cleaning of the machine As a result of its design the machine meets strict hygiene requirements Regular thor ough cleaning is also important from a hygiene perspective Cleaning the ma chine carefully helps to ensure good washing results and reduces the risk of dirt accumulating inside the machine See the WEB Tool manual for the HACCP alarm options Cleaning the inside of the machine Unhook the curtains 13 at the infeed end and wash them in a basket Switch the machine off by pressing button 11 Empty the tanks by pulling the lever 18 Clean the filters 24 all the curtains 13 the level pipe 25 the outlet seals 21 and the rinse nozzles 15 Never leave the level pipes and outlet seals so that the rubber sleeve rests on a surface The sleeve can become deformed leading to the risk of water leakage in the tanks Clean the washer arm
41. sh cycle resulting in impaired wash results Leave the following gaps between the baskets when you feed them in WD 151E approx 50 cm 5 WD 211E approx 30 cm WD 241E approx 25 cm N WD 331E Hardly any gap the baskets should be close together N WD 421E Hardly any gap the baskets should be close together Increase the distance if the items to be washed are heavily soiled Washing with automatic operation For automatic operation press button 3 The corresponding LED 2 lights up Button for automatic operation Washing with automatic stop The machine starts when a basket is pushed into it The basket stays in the washing zone until the next basket pushes it onwards The machine stops automatically after a set period of time if no new basket is fed in Start the feed by pressing the button 5 26 WD 151E WD 421E Rev 3 0 201210 Instructions for use Washing with manual operation For manual operation press button 4 The corresponding LED 2 lights up Button for manual operation Washing without automatic stop The machine starts straight away Manual oper ation is a good idea when the items are heavily soiled If you only feed in one bas ket it stops and stays in the washing zone The time in the zone is decided by the operator The basket is pushed out of the machine when a new basket is fed in Start the feed by pressing the button 5 4 2 2 Guaranteed final rinse The temperature of th
42. the machine The required pressure can be found in the TECH NICAL SPECIFICATIONS If the water pressure is too low a booster pump must be fitted 3 7 3 Steam connection option If the machine is steam heated connect the pipes for steam and condensation water at 23 WD 151E WD 421E Rev 3 0 201210 Installation 3 7 4 Drain connection The drain connection must consist of a 50 mm metal pipe that will withstand me chanical impact or a 50 mm plastic pipe The floor drain capacity can be found in TECHNICAL SPECIFICATIONS The drain 22 can be fitted to the left or right The drain is connected at A and run to the floor drain where it should flow freely above the water level Remove the perforated section of the end plate at B and pull the pipe through the hole 3 7 5 Ventilation The machine has a condensing battery connected to an exhaust fan to reduce the amount of steam released Extractor fans for extracting steam can be installed above the infeed and outfeed openings as well as above the area of the machine where steam is emitted from the condensing fan Mounted a steam hood over the machine it should be positioned so that it covers the drying track after the machine and would flow from the condenser fan 3 7 6 Installing extra equipment Limit switch The limit switch is installed on the lower terminal block which is placed in front of the chemical wash tank When connecting remove the existing clamp on the
43. tically when the doors are closed The machine has a filling check function for the booster heaters When the function is activated a check is carried out to ensure that the booster heaters are full of water before the element is switched on Note If the filling process is interrupted using the main switch the check starts again from the beginning N When the filling check has been completed and all the tanks are full the mini switches for the booster heaters switch on 3 Check the setting of the reference values N All the reference values are set to the recommended values on delivery 4 Start the machine N Check the direction of rotation of the pumps NOTE If the direction of rotation is wrong the phase must be inverted on the incoming feed N Check that the overload switch on the feed cradle is functioning 5 Lock the impulse arm and the photocell in the activated position N Run the machine continuously for 10 minutes Check and adjust the tem perature and water flow N Final rinse according to the table in the manual N Intermediate rinse according to the table in the manual N Pre rinse according to the table in the manual 20 Installation WD 151E WD 421E Rev 3 0 201210 7 Run a number of washes complete with loads and check that The basket is in the correct position after the photocell There are no water leaks The door breaker works The limit switch is working Steam discharge from the m
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