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COMBINATION DISHWASHER WD-90 DUO Installation and

1. 1 2 1 Machine marking s2nunuseneniieine noe eee 2 1 3 Checking that the dishwasher matches the installation and user manual 3 gt Safety INSIUCTIONS are rar raea aaa a aaa ce dreh E denea aeoeaii 4 2 t Generalinformation sssaaa E aaa 4 22 VANS ponei aeae d ai a eade a e a a aradi 4 2 S lnstalatiO Meen s a e a ree E S 5 2 4 Detergent and drying agent o oo eee e cece eect tenet eaeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee 5 2 0 ODETANON agate seeianciahatn hie uae Man ele Ca ae ee eee eat 5 25 Hotwate aseen a a Sesion seach dasa E E cessed 5 2 5 2 Risk of crushing eccc cies 2ots ooo eck dakacaes Sete den ec uidagaesaccet tea eats bee des 6 2 9 3 RISK Of SIDING nenie eea ea ia iida A E 6 ZO Cleaning nene cece e e ae aa a e ER Ee a erain 6 2 7 Repairing and servicing the dishwasher sseseeceeeeeeeeeeeeeeeeeeeeeeeeeeeeee 7 2 7 1 Instructions if the machine is not working c ccceeeeeeeeeeeeeeeeeeeeeeeeeeees 7 a MVPS Cea AIG a a T E E 8 3 1 General information seca cit toe Poccudaneat sabi danke gecabeeacacags uaeeds sudden laveranesenate extent 8 3 2 Requirements for the installation Site ccccecceccceeenceeeeeeeeeeeeeeeeeeeeeeeeeeeeeaes 8 S2 PLONING cca vs aaa oes os SA eta ode bene ileal Dn ean Ea ee een ete 8 S22 VEMMNGUOM e ra a e a a a taster eat e a d i 8 3 2 3 Drain Waste Pipe ereina E E E E 8 39 2 4 Spate TOF SErViCiNG esate face rest ek cent pce eee aeae suck Cesk eiea a eae EE 9 3 3
2. Tighten the plug by hand Open and close the hood using the button for operating the hood at the very bottom of the panel Loosen the plug in the bleed valve and check that there is no more air coming out of the valve 25 4 05 002_1 Bleed valve for hood lifting cylinder 15 WD 90 DUO Rev 0 201401 Installation 3 7 Installing detergent and drying agent equipment The dishwasher is preconfigured for connection of detergent and drying agent equipment The detergent and drying agent equipment is not included in delivery of the dishwasher Contact your detergent supplier Detergent and drying agent equipment is best positioned on the wall to the side of the machine 3 7 1 Electrical connection of the equipment e Remove the machine s right hand side panel The panel is fastened to the frame with two screws in the panel bottom edge Terminals and a circuit breaker for the detergent and drying agent equipment are located in the electrical cabinet inside the right hand side panel They are shown in the figure below See the wiring diagram for the dishwasher 16 WD 90 DUO Rev 0 201401 Installation Moruter FU M Electrical cabinet 1 Circuit breaker FU DM for detergent and drying agent equipment 2 Terminals 101 107 for connection of detergent and drying agent equipment 17 WD 90 DUO Rev 0 201401 3 7 2 Detergent dosage The equipment for detergent d
3. For this reason an anti static wristband must be used Connection of water should only be undertaken by qualified personnel Water pipes must be connected in a way that complies with the regulations of the local water supply company Check that the water and steam connections are tight and free of leaks before the machine is started up Make sure that the mains voltage is the same as that indicated on the machine s rating plate The machine must be connected to a lockable mains switch and drying agent Only detergent and drying agent intended for industrial dishwashers may be used Ordinary washing up liquid must not be used in the machine or for soaking Contact your detergent supplier regarding the choice of a suitable detergent Be aware of the risks involved in handling detergents and drying agents Protec tive gloves and safety glasses should be used when handling dishwasher deter gent Read the warning text on the detergent and drying agent containers as well as the detergent supplier s instructions The temperature of the wash and rinse water is 58 C and 85 C respectively Safety instructions WD 90 DUO Rev 0 201401 2 5 2 Risk of crushing Take care when opening and closing the hood There is a risk of body parts being crushed in the area between the hood and tank and in the area between the hood carriage and the rear edge of the top part of the machine 25 4 00 017 2 5 3 Risk of slipping 2 6 C
4. Min water pressure 50 kPa Flow incoming water 5 litres min Floor drain 3 litre sec 58 WD 90 DUO Rev 0 201401 Technical data Dimensions mm Standard machine A Depth 1060 B Width 850 C Height hood open 2415 25 D Height hood closed 1720 25 Machine with condensing unit E Depth 1060 F Width 850 G Height hood open 2415 25 H Height hood closed 2360 25 a approx 100 mm should be added for packaging b the package height on delivery for a standard dishwasher is approx D 250 mm c the package height on delivery for a dishwasher with condensing unit is approx D 350 mm a i moo a IEI Ht is cies nt J l TE a i Ye aa 25 4 00 015 Additional information Enclosure protection class IP 55 Water hardness recommended 2 7 dH 59 See e Ad Wexiddisk CE Declaration of Conformity This declaration of conformity only refers to the machine product in the condition in which it is supplied not any additions or modifications made by the customer user Manufacturer Wexiddisk AB Mardvagen 4 S 352 45 V xj Sweden Tel 46 470 77 12 00 Fax 46 470 237 52 Representative Metos AS Metos BV Metos Oy AB Metos Sarl Metos SIA Metos Stork k AB Metos UAB Compiler of technical documentation Magnus Ericsson Our machines are manufactured 2015 in acco
5. Wait until the text MACHINE IS READY FOR WASH appears on the display on the panel 5 Open the hood with the button for operating the hood the button at the very bottom of the panel 6 The machine is ready to be used 4 2 2 Washing The dishwasher s tank must be filled with water see above Filling with water on page 33 before washing can begin i Take care to select the correct program for the items which are to be washed This is what you should do 1 Put the items to be washed in the machine For information on what you need to remember before washing and when positioning items in the basket see Before washing on page 23 2 Select a wash program Select the desired wash program by pressing one of the buttons for program selection see Wash programs on page 34 3 Start the wash Press the button for operating the hood at the very bottom of the panel see Wash programs on page 34 4 Once the wash program has completed its cycle the hood opens Remove the items 33 WD 90 DUO Rev 0 201401 Using the dishwasher 4 2 3 Wash programs E WD 90 DUO 25 4 00 003_1 Panel card 1 Display Button for selection of 2 Normal wash programs 3 Potwash programs 4 Granule collection program 5 Activation of service mode 6 Page to page scrolling service mode 7 Alarm reset 8 On Off 9 Operating the hood up or down The dishwasher has normal wash programs for w
6. a scl aian 24 4 1 3 Before filling the dishwasher with water eccceeeeeeeeeeeeeeettttetaeeees 29 4 1 4 Before washing with a potwash program ceeeeeeeeeeeeeeeeeeeeeneeeeaaees 29 4 1 5 Before washing with a normal wash program eeeeeeeeeeeeeettenteeeees 30 4 1 6 Positioning of items in baskets oo eccceee cece cette eeeeeeeeeeeeeeeeenaaaaaaeeees 31 4 2 WaSNING scene eee a e a E die pe eee 33 4 2 1 Filing Wi Water ainen etl ih ot eat eae ine id oh es 33 A222 NV ASIING EEE E A hee ele de es giant oe aed oe at Saat aah eae 33 4 2 3 Wash Programs sacccnu nen nee ee eee 34 4 2 4 Cancelling a wash program and stopping the machine ceeee 36 AS gt 0 Oc E E E T 37 4 3 1 Care and maintenance eeeeeeeeeeeesesessesesssrtrrrrerrrrrrsssssssssssesrrrrrrre renn 37 4 3 2 Check the wash result ogi ces nhc cused send al a eehvatecdebanmbei iii etiain 38 4 3 3 Changing the water cccccc cccccecececsecceeneneneenteestentanenennnscececeaersencsensees 40 4 3 4 Checking and cleaning the wash arms ceeceeeeeeee eect eee teeeeeeeeenteeeaaees 43 4 3 5 Cleaning the inside of the machine 0 0 0 cccceeeeeee eee e eee eeeeeeeeeeetetettnaeeees 44 4 3 6 Cleaning the exterior s sensi eai ia 46 4 3 7 Checking the amount and cleaning the granules eeeseeeeeeeees 46 4 3 8 Checking the hood s anti crushing system eeeeeeeeeeeeeeeseeeeseresrreeen 48 4 3 9 Checking t
7. are cleaned using high pressure equipment water may splash up under 2 7 Repairing and servicing the dishwasher Make sure the machine is non live before opening the electrical cabinet Turn off the power at the mains switch Avoid touching hot pipes and the booster heater 2 7 1 Instructions if the machine is not working f Check the following Has the dishwasher been used according to the instructions Are all the removable parts in their correct place Is the mains switch in the ON position Are the fuses in the electrical cabinet still intact Ask service personnel to check the fuses If none of the above solves the problem authorised service personnel must check the machine WD 90 DUO Rev 0 201401 Installation 3 Installation 3 1 General information The machine must only be installed by authorised personnel Read these instructions carefully as they contain important information regarding the correct installation method The instructions should be used together with the machine s wiring diagram and flow diagrams for water Any damage to the machine arising from failure to follow the instructions will in The machine is CE marked The CE mark is only valid for an unmodified machine validate the supplier s warranty and 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 servic
8. by the wash and final rinse as well as the volume of water used for the final rinse are all important for the wash result If the items are not cleaned you should try selecting a program with a longer wash cy cle see Technical data on page 57 The volume of water used for the final rinse of the washed items can be adjusted by a service engineer contact the service company Water hardness If the water used for washing is hard gt 10 dH a higher con centration of detergent may be needed to ensure the washed items emerge clean Contact your detergent supplier Cleaning rinse pipes Cleaning of the machine is important for achieving a good wash result See Care and maintenance on page 37 for recommendations as to how often cleaning should be performed In certain cases it may be neces sary to clean more frequently than recommended Stacking of items How the items are positioned in the basket is critical for how the washing water will manage to rinse them during washing This in turn will de termine the wash result see Positioning of items in baskets on page 31 Soaking does not apply to potwash programs with granules where soaking should not be used In certain cases the items need to be soaked before washing if they are to emerge fully clean In such cases the items are soaked e g overnight in water with a soaking agent Follow the instructions of the detergent supplier Ordinary washing up
9. cylinder It is controlled using solenoid valves Chemical wash pump pumps water from the tank to the rinse pipes for potwash not with granules Granule pump pumps water and granules from the granule part of the tank into the rinse pipes for potwash Normal wash pump pumps water from the tank to the rinse pipes for normal wash Booster heater heats the water which comes from the break tank for pumping to the rinse pipes for final rinse Reversing valve releases water to the rinse pipes for potwash either from the chemical wash pump or from the granule pump Pressure switch for the anti crushing system detects when water pressure in the pipes to the hood lifting cylinder exceeds a set value can be adjusted by a service engineer If the pressure exceeds this value the hood opens Inductive sensor indicates if the rotating table is turning or not Flow meter measures how much water is being pumped into the dishwasher from the break tank Solenoid valve two items these solenoid valves open to release water to rinse pipes for final rinse and to the hood lifting cylinder Worm gear with electric motor turns the rotating table Rotating table shaft rotated by the worm gear and turns the rotating table Rotating table this is where the washing basket is positioned the figure shows a basket for potwash Rinse pipe potwash see the figure below showing the machine s washing compartme
10. 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 dishwasher immediately in the event of a fault or malfunction The machine must only be repaired by trained engineers The regular checks de scribed in the installation and user manual must be carried out in accordance with the instructions The machine must be serviced by personnel authorised for this purpose by the manufacturer Use original spare parts Contact an authorised service company to draw up a programme of preventative care and maintenance Hazardous situations may arise if the instructions above are not followed Before the machine enters service ensure that the staff are given the necessary training in handling and looking after the machine Handle the machine with care during unloading and transport there is a risk of it tipping over Safety instructions WD 90 DUO Rev 0 201401 2 3 Installatio A A 2 4 Detergent A 2 5 Operation 2 5 1 Hot water n This symbol on a machine component warns of the presence of electrical voltage The component may only be disconnected by a qualified electrician Make sure the machine is non live turn off the power at the mains switch before any work is performed on the machine The electronics in the machine are sensitive to elec trostatic discharge ESD
11. liquid must NOT be used in the machine or for soaking It causes foam to form and produces poor wash results 4 3 3 Changing the water GJ Take care to scrape off food residues from the items before putting them in the dishwasher If residues are properly scraped off the water will not need changing as often saving time money and the environment The water in the washer tank should be changed daily More frequent changes of water are needed if Significant amounts of foam build up in the machine e g if you can see foam coming out of the waste pipe or the strainer in the machine s tank is covered with foam If this occurs the water should be changed immediately A lot of items are washed at certain periods of the day Schedule water changes so that a good wash result is achieved over the entire work shift Change the water for instance after periods when a lot of items have been washed On checking the wash result you discover any of the problems mentioned in the chapter Check the wash result on page 38 above 40 Using the dishwasher WD 90 DUO Rev 0 201401 This is what you should do 1 Run potwash program P4 See chapter Wash programs on page 34 by pressing the button for potwash programs Check that P4 is shown on the display Lower the hood with the button for operating the hood the button at the very bottom of the panel Wait until the program has completed its cycle and th
12. mm all around the rib of the machine 11 WD 90 DUO Rev 0 201401 Installation 3 6 1 Connections wl nl 25 4 00 018 Standard dishwasher Connection for Hot water Cold water Power supply COIN Drain waste pipe 12 WD 90 DUO Rev 0 201401 Installation S6L 25 4 00 019 Dishwasher with condensing unit Connection for 2 Cold water 3 Power supply 4 __ Drain waste pipe 13 Installation WD 90 DUO Rev 0 201401 gt Water connection Hot water only standard machine and cold water are connected at 1 and 2 see figures above The machine should be connected using steel braided flexible hose to allow it to be moved to the side when needed This is particularly impor tant if the machine is positioned in a corner The hose should have an internal di ameter of at least 12 mm The connections have an external thread Their dimensions can be found in Technical data on page 57 Both the hot and cold water connections are fitted with filters A shut off tap must be installed on pipes for incoming water Electrical connection This symbol on a machine component warns of the presence of electrical voltage The component in question may only be disconnected by a qualified electrician or trained personnel The machine s wirin
13. possible is removed from the items to be washed before putting them in the machine this will help reduce the number of times the washing water in the machine will need changing Make sure nothing projects from the washing basket which might catch the walls of the dishwasher and prevent the basket from rotating Check that the correct wash program has been selected 29 Using the dishwasher WD 90 DUO Rev 0 201401 4 1 5 Before washing with a normal wash program To obtain the best wash result when washing with a normal wash program you should remember the following Make sure as much food residue as possible is removed from the items to be washed before putting them in the machine this will help reduce the number of times the washing water in the machine will need changing Do not allow food residues to dry on the items to be washed using the normal wash program If for instance the items to be washed have to stand overnight without being washed as much of the food residue as possible must be removed and the items left to soak Use a soaking agent and follow the supplier s instructions Check that the correct wash program has been selected 30 WD 90 DUO Rev 0 201401 Using the dishwasher 4 1 6 Positioning of items in baskets Potwash Potwash items are positioned in the baskets supplied The dirty side the inside of the items to be washed must face away from the centre of the basket Items must be positione
14. will not need changing as often Detergent and drying agent dosage The dosage of the detergent and drying agent will also affect the wash result If too high or too low a dosage is suspected the detergent supplier should be contacted There is the option of fitting a sensor in the tank to measure detergent concentration in the water Using this detergent can be added automatically to achieve the right dosage Contact your detergent supplier Water change The water in the tank should be changed at least once a day dur ing normal use of the dishwasher In certain cases e g if many or highly soiled items are washed it may be necessary to change it more often Water turnover If water turnover in the machine is not good enough this can lead to problems such as starch spots on glass and on the undersides of plates Contact the service company for help in dealing with the problem Temperature If the temperature during washing and the final rinse is too low the items in the wash will not emerge clean If you suspect this is the case contact the service company If normal wash items are rinsed pre rinsed before being put in the dishwasher 39 WD 90 DUO Rev 0 201401 Using the dishwasher i the temperature of the water must not be too high lt 40 C Otherwise there is a risk that proteins and starch will burn onto the items and you will end up with a poor wash result Program selection The time taken
15. 1 1 containers per wash 6 1 4 a Three GN1 1 containers 200 mm deep and three GN1 1 containers 65 mm deep plus one GN1 1 container 65 mm deep positioned on the bottom of the basket 57 WD 90 DUO Rev 0 201401 Technical data Water consumption litres program Rinsing 4 6 Cooling 0 1 5 a Adjusted on installation Temperature C Surface temperature cover plates on machine exterior a 35 a At a room temperature of 20 C Noise levels dB A When running wash programs with granules a 70 a The noise level is measured one metre in front of the machine at a height of 1 5 metres Electrical data Main fuse 20 A Max connection area 6 mm a Applies for connection to 3 phase AC rated at 400 415 V and 50 Hz Output kW Chemical wash pump M1 1 5 Granule pump M2 2 2 Rinse pump booster pump M10 0 67 Normal wash pump M3 0 74 Condensing fan M15 0 129 Motor rotating table M16 0 55 Booster heater E42 9 Element in tank E21 9 Total connected power 11 7 a to heat incoming water Dimensions of connections for water Hot water connection external thread CCN Cold water connection external thread b 1 2 Waste pipe outside diameter 50 mm a 50 70 C b 5 12 C Capacity requirements for water connections Max water pressure 600 kPa
16. 7 LOW FLOW DURING FINAL RINSE PRESS RESET Check the water flow in the machine e g that the water tap s are open that there are no problems with the water supply etc Reset the alarm by pressing the reset button 38 HACCP ALARM NO FLOW DURING FINAL RINSE PRESS RESET Check the water flow in the machine e g that the water tap s are open that there are no problems with the water supply etc Reset the alarm by pressing the reset button 62 HACCP ALARM NO FLOW DURING FINAL RINSE MACHINE LOCKED Check the water flow in the machine e g that the water tap s are open that there are no problems with the water supply etc Contact service personnel 39 FINAL RINSE ERR SENSOR ERROR FLOW METER BV02 Reset the alarm by pressing the reset button Check the wash result after the wash cycle has completed see section Check the wash result on page 38 If the wash result is not acceptable or the alarm recurs contact service personnel CALL SERVICE 40 The alarm can be reset with the reset button but a check should be made on the HACCP ALARM water flow in the machine to ensure the water taps to the machine s water con FINAL RINSE DEFECT PRESS RESET nection are open and on the wash result see section Check the wash result on page 38 after a completed wash cycle If the wash result is not satisfactory contact service personnel 41 HACCP ALARM FINAL RINSE DEFECT MACHINE LOCKE
17. CALL SERVICE The machine is locked when this alarm is displayed Contact service personnel 47 LOW TEMP BEFORE FINAL RINSE EXTENDED CHEMICAL WASH Reset the alarm by pressing the reset button Check the wash result after the wash cycle has completed see section Check the wash result on page 38 If the wash result is not acceptable contact service personnel 48 HACCP ALARM HEATING OF BOILER DEFECT PRESS RESET The alarm can be reset using the reset button but service personnel should be contacted as soon as possible 49 HACCP ALARM HEATING OF BOILER DEFECT MACHINE LOCKED CALL SERVICE The machine is locked when this alarm is activated Contact service personnel 50 WASHING DETERGENT ALARM ACTIVE CHECK DETERGENT DEVICE Check whether the machine is out of detergent Add detergent The alarm can be reset by pressing the reset button Contact service personnel or the supplier of the detergent device if the alarm will not go out 51 HACCP ALARM WASHING DETERGENT FUNCTIONALITY DEFECT PRESS RESET Check whether the machine is out of detergent Add detergent Reset the alarm by pressing the reset button Contact service personnel or the supplier of the detergent device if the alarm will not go out 52 HACCP ALARM WASHING DETERGENT DEFECT MACHINE LOCKED CALL SERVICE Check whether the machine is out of detergent add detergent Reset the alarm by pressing the reset butt
18. D CALL SERVICE The machine is locked when this alarm is activated Check the water flow in the machine Make sure water taps for the machine s water connection are open Make sure there are no problems on the water supply to the machine etc If this is not the problem contact service personnel 54 Using the dishwasher WD 90 DUO Rev 0 201401 ALARM TEXT 42 TIMEOUT WHEN FILLING TANK PRESS RESET TO START FILLING AGAIN ACTION Check that water taps connected to the machine are open Check that the level pipe is in place and its rubber sleeve achieves a good seal with the tank bottom Reset the alarm by pressing the reset button 105 TIMEOUT WHEN FILLING BREAK TANK PRESS RESET TO START FILLING AGAIN Check that water taps connected to the machine are open and there are no prob lems on the water supply to the machine Reset the alarm by pressing the reset button Contact service personnel if the alarm will not go out 43 TIMEOUT WHEN HEATING TANK PRESS RESET Reset the alarm by pressing the reset button Contact service personnel if the alarm will not go out 44 LOW TEMPERATURE IN TANK PRESS RESET Reset the alarm by pressing the reset button Contact service personnel if the alarm will not go out 45 HACCP ALARM HEATING OF TANK DEFECT PRESS RESET Reset the alarm by pressing the reset button 46 HACCP ALARM HEATING OF TANK DEFECT MACHINE LOCKED
19. Preparing for the installation 0eseennnnnnneeeeeeeeeee ereer ree reesssssserrnerrrrrrrrrrrrese 9 3A Transport and storage ceien cco eocaiacaiecnis xis ven ene ate a emcee aa E EE 10 MIEN AC LIN e nh a A a steep a doe re gt eel eA canbe 10 SiO MAS aIAUIOND doles th ositepisdeuatctelathawevact a raa e aea ES 11 3 6 1 Connections 3 sascees acy asc sehaactnant cau sdatwam had cane tesa siataehscih Seas cael Satsaaeeracarsauatgenn 12 3 6 2 Bleeding the hood cylinder ccccccceeeeeeeeeeedeeeseeececeeeceenecececeeeeeeeeeeeees 15 3 7 Installing detergent and drying agent equipment ccceeeeeeeeee eee eeeeeeeeeeeeeee 16 3 7 1 Electrical connection of the equipment cceeeeeeeeeeeeeeeeeeeeeaeeeees 16 3 7 2 Detergent dosage nicieni aa Rees 18 3 4 lt 0 YING AGEMU AOSAGS cs 25 uscd E EE EE 19 3 8 Irial operatio a cae es Ea eh aes aad hai Tee Eaa d a ae a Aa ai sees Cea eats 20 3 8 1 Checklist 1orStan Up usnchcu cence hones i 20 WD 90 DUO Rev 3 9 Recycling re la Acetic a a e aee raae ch th nee he es oe ek eet ae Le 21 3 10 Technical documentation 22 eccacenc neue exezece sole rede det epceecon seca sacs oxzetececeegeveeseeedseeds 21 4 Using the dishwasher tei cc sscecccc ce eect eee sae cect rcteetee ene 22 4 1 Before WASHING carers meee eneee aae eee et Se ESTEE en tE EE Eee EEES E ee 23 4 1 1 Using th machine cence cists a dla toas thet Rl eneeier antreen entenent 23 41 2 Machine layo t e e a a a
20. RROR CALL SERVICE Contact service personnel if the alarm cannot be reset or if it recurs 16 COMMUNICATION ERROR FREQUENCY INVERTER CALL SERVICE Contact service personnel if the alarm cannot be reset or if it recurs 53 Using the dishwasher WD 90 DUO Rev 0 201401 ALARM TEXT 17 ROTATION ERROR ROTATING TABLE PRESS RESET ACTION Contact service personnel if the alarm cannot be reset or if it recurs 18 OVERTEMPERATURE FREQUENCY INVERTER CALL SERVICE Contact service personnel if the alarm cannot be reset or if it recurs 19 DC BUS OVERVOLTAGE FREQUENCY INVERTER CALL SERVICE Contact service personnel if the alarm cannot be reset or if it recurs 101 HOOD SAFETY PROTECTION ACTIVATED Check that whatever caused the anti crushing system to trip has been removed Reset the alarm by pressing the reset button Restart the machine by pressing the start button 103 TIMEOUT WHEN CLOSING HOOD PRESS RESET Reset the alarm by pressing the reset button Contact service personnel if the alarm recurs 102 TIMEOUT WHEN OPENING HOOD PRESS RESET Reset the alarm by pressing the reset button Contact service personnel if the alarm recurs 31 TEMP SENSOR ERROR TANK B21 CALL SERVICE Contact service personnel if the alarm will not go out 33 TEMP SENSOR ERROR B42 CALL SERVICE Contact service personnel if the alarm will not go out 3
21. Rev 0 201401 12 13 14 Tank element Level pipe holds the water in the tank at the correct level and acts as a water stop to prevent water running out of the tank via the waste pipe Rubber sleeve sits on the level pipe and achieves a seal with the bottom of the tank Permanent strainer acts as a dividing wall in the tank It lets water through but keeps the granules in place in that part of the tank nearest the front of the dishwasher Booster heater heats water coming into the machine Break tank ensures an even flow into the machine The tank is fitted with a float which closes a valve for incoming water once the water level in the break tank gets too high as well as a level sensor in its lower part Granule collection basket used together with cover plate 8 when granules in the dishwasher are to be collected e g for cleaning During washing the granule collection basket and cover plate 8 are replaced by a strainer Cover plate for use together with the granule collection basket See also above under point 7 Rotating table Washing basket this is where items are placed for washing The washing basket is positioned directly on the rotating table The figure shows the type of washing basket used during a potwash Cover plate covers that part of the tank which is to be kept free of granules Rinse pipe potwash see the figure below showing the machine s washing compartm
22. SC RISES CESS SSS SEI WAY BESSY KSSOOSSSS N SSY LS X KS Ki SS SSS G AS ASSSSSAS SSS lt be KSSS SSS is a SSS K X SS YASS SONY SZNS Z x A ZO eS Z AX SS Sys Sf Sb gt S CnN SN SSN ED sooo At eet YS BEANS x SST SA S San BEI ES Iss Sy SOS BSY s Xy A KSSS S SSRN RS Sy Tes SSS lt lt SES 90 9 01 003 The brown basket is used for cutlery 32 WD 90 DUO Rev 0 201401 Using the dishwasher 4 2 Washing 4 2 1 Filling with water Before washing can be started the dishwasher tank must be filled with water and the detergent mixed The points below must be followed when the dishwasher has no water in it When filling the machine with water you should not have any items in the ma iJ chine Water which is hotter than for normal washing is flushed into the washing compartment when the machine is being filled This can result in food residue get ting burnt onto any items in the machine giving a poorer wash result This is what you should do 1 Carry out the recommended checks before washing commences see Before filling the dishwasher with water on page 29 2 Start the machine by pressing the ON OFF button The dishwasher s hood opens 3 Select a wash program For the best program to select see Wash programs on page 34 4 Press the button for operating the hood the button at the very bottom of the panel
23. This is achieved by pressing the program selection buttons Stopping the machine If for any reason you need to stop the dishwasher while it is running press the button for switch on switch off 36 WD 90 DUO Rev 0 201401 Using the dishwasher 4 3 After use 4 3 1 Care and maintenance To obtain a good wash result when washing and to get the best possible benefit from the dishwasher it needs to be looked after and maintained at given intervals Much of the care and maintenance can be performed by the dishwashing room staff while other maintenance will require trained service personnel to perform the work The table below shows the recommended intervals for various maintenance ac tivities The recommended intervals below should be seen as the minimum amount of maintenance under normal use of the dishwasher Maintenance may be performed more frequently depending on how often and how much you wash and the type of items you wash etc It is important to have an eye to the conditions which actually obtain on site Activity Interval After Daily Every Every Yearly Other every week month See wash chapter Check the wash X Check the result wash result on page 38 Change the water X As Changing in the tank needed the water on page 40 Check the wash X Checking arms and clean Clean the wash X As Le Sa wash arms arms needed on page 43 Clean the inside of X The Cleaning the ma
24. are present on checking of the washed items what action you should take to deal with them Check a d 3 s E Di lex oO O 2 D R o 2 Cob 8 Poe ss eee 2 Seton le 2 2 e 5 u E bio a 5 a ip ie D ESE S z 8 e E amp FEF Je 6 2 Oo wy 5 Z sep D D 3 c e S D D 5 Temperature Program 5 E TOR R s selection iS e e g Problem 0o A Q Es z oOo Omni tarch spots Visible mainly on X x x x x x x x xX glass as small spots 38 WD 90 DUO Rev 0 201401 Using the dishwasher Problem Misting Check Scraping Washing Final rinse Pre rinse Time water volume final rinse Time washing Temperature Program selection Detergent dosage Drying agent dosage Water change water turnover Water hardness Cleaning of wash arms Stacking of items Soaking XIXI XIX x x x Food residues X gt x lt x lt x lt gt x lt x lt Protein residues Visible as discolouration or marks on canteens used to fry e g meatballs hamburgers or fish Detergent residues Not visible on the washed items but identifiable by chemical means phenolphthalein Scraping It is important that as much food residue as possible is scraped off the items before putting them in the machine Proper scraping will mean the water in the washer tank
25. ase must be inverted on the terminal block for the incoming electrical cable The right amount of granules should be in the machine The overheating protection for the booster heater and the tank element should have been reset Filling the machine Switch on the power to the machine Press the button for switch on switch off Fill the machine with water see Filling with water on page 33 The booster heater fills automatically Set FU42 to the ON position once filling of the tank is completed Bleed the hood cylinder see Bleeding the hood cylinder on page 15 Check the setting of the reference values Check operation of the booster pump and break tank Check that the temperatures indicated in the reference values are being achieved All the reference values are set to the recommended values on delivery Run a number of washes complete with loads and check that There are no water leaks The limit switch for the hood operates correctly The hood automatic system operates correctly i e the hood goes up automatically when a wash program has been run and that it goes up and down as it should when the hood operating button is pressed The hood s anti crushing system works correctly see Checking the hood s anti crushing system on page 48 The water temperatures are maintained 20 Installation WD 90 DUO Rev 0 201401 3 9 Recycling The washed items are clean see Check the wash re
26. ashing glass crockery and cut lery etc and potwash programs for washing heavily soiled items e g pans and canteens Once the dishwasher has finished the wash the hood goes up and you can insert a new basket Between washes the last wash program run for both potwash and normal wash is shown on the display 1 If no wash has been performed since the machine was switched on program P1 is displayed for both normal wash and potwash The program which is currently active in the machine is indicated on the display by having a shaded box next to it In addition the type of program currently active is indicated by an illuminated LED next to the relevant program selection button on the panel 34 WD 90 DUO Rev 0 201401 Using the dishwasher The following text is displayed if the last potwash program run was a program with granules P1 P3 NORMAL WASH PX POTWASH WITH GRANULES PX CLOSE THE HOOD The following text is displayed if the last potwash program run was a program without granules P4 P6 NORMAL WASH PX POTWASH WITHOUT GRANULES PX CLOSE THE HOOD To start an active program press the button for operating the hood 9 To starta program which is not active but which is shown on the display press the program selection button for the type of program in question The hood is then closed using the operating button 9 If a program other than the ones shown on the display is to be run select the program as describe
27. be easy to move 25 4 00 012 Dishwasher seen from above positioned next to a wall 3 3 Preparing for the installation Check that there is sufficient room for the dishwasher at the installation location and that the ceiling is high enough for the machine with its hood open Check that there is sufficient room to transport the dishwasher to its installation location on delivery The machine s dimensions can be found in chapter Technical data on page 57 Make sure there is lifting equipment available which can handle the weight of the dishwasher and that the floor where it is to stand is dimensioned for the weight of the dishwasher when containing water granules and the wash load The ma chine s weight can be found in chapter Technical data on page 57 Route connections for water and electricity Make sure there is a drain waste pipe which is positioned as stated above In accordance with EN 61000 3 11 the machine is suitable for connecting to a mains voltage with an impedance of Zmax 0 375 Q or lower The maximum im pedance must be determined in consultation with the relevant authority prior to carrying out installation WD 90 DUO Rev 0 201401 Installation 3 4 Transport and storage Always transport the machine in an upright position On delivery the machine comes on a load pallet protected with cardboard A packing notice will have been applied to the packaging where the
28. catches around the pipes 4 3 5 Cleaning the inside of the machine A The machine should be cleaned at least once a day when in normal operation At least once a week more thorough cleaning of the machine should be carried out where the rinse pipes and granules are also properly cleaned and a check per formed on the amount of granules Make sure you adhere to the following when cleaning the machine Do NOT use steel wool as this can cause rust to form on 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 one metre of the machine without the 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 This is what you should do 1 2 Open the hood press the button for operating the hood the button at the very bottom of the panel Remove the rotating table from the machine Get hold of the spokes in the rotating table towards the hub and pull it straight up towards you Where necessary press on the shaft with the thumb of one hand to get the rotating table to come off more easily Clean and rinse off the rotating table with water Re weekly cleaning Replace the strainer next to the granule collection basket and the cover plate with a hole for the basket Re daily clea
29. chine strainer the inside of tank s must the ma strainers be chine on cover plates cleaned Page 44 level pipe level sensor etc emptied as needed Clean the outside X Cleaning of the dishwasher the exteri or on page 46 Clean the granules X AS Checking needed the amount Check the amount X and clean f ing the of granules in the dishwasher granos on page 46 37 WD 90 DUO Rev 0 201401 Using the dishwasher Activity Interval After Daily Every Every Yearly Other every week month See wash chapter Change the Onceor As Longer pe granules twice needed riods with out use on page 50 Check the anti Checking crushing system in x the hood s the hood anti crush ing system on page 48 Machine with Checking condensing unit 2or3 the safety Check the safety times valve ma valve chine with condensing unit on page 49 4 3 2 Check the wash result The wash result should be checked after each wash Check that No discolouration spots misting food residue or deposits are visible on the washed items No deposits at all can be made out on the washed items No granules have become lodged in or on the washed items It is particularly important to check this when washing perforated canteens The table below contains suggestions as to what you should check and if the problems listed
30. d below During washing in standby mode on start up and switch off etc the status of the machine is shown in plain text on the display It is important that the correct wash program is selected for the type of items in iJ question Normal wash programs A normal wash program is used for items such as e g glass crockery and cut lery Three different normal wash programs can be selected with the button 2 by pressing it once twice or three times The selected program is shown on the dis play 1 Pressing the button once selects normal wash program 1 P1 Pressing the button twice selects normal wash program 2 P2 Pressing the button three times selects normal wash program 3 P3 Pressing the button four times selects program PO which results in the machine being set to standby mode for washing The difference between the three normal wash programs is the time it takes for the actual wash cycle to complete For the total time used by the relevant normal wash program see Technical data on page 57 35 WD 90 DUO Rev 0 201401 Using the dishwasher Potwash programs For potwash there are six different programs to choose from three where gran ules are used for the wash P1 P3 and three without granules P4 P6 The se lected program is shown on the display 1 in the same way as for the normal wash programs Pressing the button for potwash programs 3 once twice or three time
31. d so that water will not collect in them e g canteens pots and pans etc positioned on the bottom of the basket must be turned to face bottom up Gastronorm containers Gastronorm containers in sizes GN1 1 GN1 2 GN1 3 GN2 3 and GN2 8 can be washed in the basket without any problem For other sizes special accessories may be needed Contact your dealer 25 4 00 011_1 Maximum number of Gastronorm GN1 1 containers which can be washed simul taneously One item 65 mm deep on the bottom Three items 200 mm deep and three items 65 mm deep around the sides of the basket positioned alternately with a 65 mm deep item followed by a 200 mm deep item and so on ABC canteens ABC canteens are hung by their handles on hooks around the top edge of the basket A special basket for washing ABC canteens is also available contact your dealer Other potwash items Special accessories are available for washing ladles saucepans trays lids grills baking trays etc as well as various other accessories for securing the items in position contact your dealer 31 Rev 0 201401 WD 90 DUO Using the dishwasher Normal wash Normal wash items are positioned in plastic baskets measuring 50x50 cm The machine comes supplied with three baskets 90 9 01 001 The yellow basket is used for plates side plates etc 90 9 01 002 The blue basket is used for glasses and cups Sie SASS SSS SSS
32. densation water from the condensing unit Hood lifting cylinder lifts and lowers the hood Operated via the booster pump 28 Using the dishwasher WD 90 DUO Rev 0 201401 4 1 3 Before filling the dishwasher with water Before filling the machine with water prior to the day s work shift or after a change of water a check should be performed to verify the following The machine has been properly cleaned See Cleaning the inside of the machine on page 44 The strainers have been cleaned The wash arms are not dirty or clogged The water tank has been rinsed out The level sensors in the tank are not dirty Water taps on the water pipe to the machine are open There are enough granules in the machine See Checking the amount and cleaning the granules on page 46 Granules are only in that part of the tank intended for them There is detergent and drying agent in the relevant dispensers The level pipe 1 is clean and has been correctly fitted i e the rubber sleeve 3 on the level pipe achieves a good seal with the bottom of the tank and the foam separator 2 is clean and not jammed in position 25 4 03 005 Cover plates and strainers are correctly fitted The permanent strainer dividing wall in the tank has been cleaned 4 1 4 Before washing with a potwash program When washing with a potwash program you should remember the following Make sure as much food residue as
33. e Pressure washers must NOT be used for cleaning Never use a pressure washer to clean the floor within one metre of the machine without the 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 4 3 7 Checking the amount and cleaning the granules For normal operation the granules should be cleaned and their amount checked at least once a week Collection of granules 1 2 Open the machine hood Press the button at the very bottom of the panel Remove the rotating table by getting hold of the spokes towards the hub and pull it straight up towards you Replace the strainer next to the granule collection basket and the cover plate with a hole for the basket Run the granule collection program Once the granule collection program has completed its cycle and the hood has opened remove the basket from the machine Clean and check the granules as indicated below Once this is done pour the granules back into the machine into that part of the tank which is nearest the front of the machine 46 WD 90 DUO Rev 0 201401 Using the dishwasher Cleaning 1 Pour the granules into a bucket 2 Place the bucket in a sink 3 Rinse the granules with water Stir the granules round at the same time 4 Remove any food residues and detritus Checking the granules O
34. e 46 Disinfect the granules by pouring them into a bucket containing water mixed with soaking agent or chlorine Carefully wash the granules stir the granules round and remove any food residues or detritus Pour out the granules into the collection basket and store them in this for the period the machine is not in use Alternatively the granules can be cleaned and then stored in a freezer for this period Rinse the granules with clean water before pouring them back into the machine Change the granules The granules should be changed once or twice a year It may be a good idea to do this during longer scheduled periods without use such as e g holiday periods or similar Collect the old granules in the machine as instructed in section Checking the amount and cleaning the granules on page 46 signed to use Wexi disk original granules and these should be used when filling with new granules The amount to be added to the machine is indicated under Technical data on page 57 i Different makes of granules differ in both size and weight The machine is de Recycling the granules i Used granules can be recycled either as hard plastics or combustible materials 50 Using the dishwasher WD 90 DUO Rev 0 201401 4 3 11 Operating problems Troubleshooting PROBLEM No indication on the control panel display when the con trol button is pressed CAUSE The mains switch is
35. e hood has opened Switch off the machine by pressing the button for switch on switch off The hood must be open Remove the rotating table Get hold of the spokes in the rotating table towards the hub and pull it straight up towards you Where necessary press on the shaft with the thumb of one hand to get the rotating table to come off more easily Remove the strainer 1 and cover plates 2 Rinse these down with water Remove any detritus which has got stuck in the strainer holes 25 4 03 001 41 Using the dishwasher WD 90 DUO Rev 0 201401 10 11 12 Unhook the level pipe from its holder turn it one quarter turn and leave it for the moment in the waste pipe There should now be a slight chink between the bottom of the tank and the rubber sleeve to allow the water to run out 25 4 03 002 If the tank and granules are dirty rinse these through with water Stir the granules round while rinsing them Clean the level pipe 1 and check that the foam separator 2 on the level pipe is not locked in position but can move backwards and forwards 25 4 03 005 Refit the level pipe Make sure the rubber sleeve 3 achieves a good seal with the bottom of the tank Refit the cover plates and the strainer Refit the rotating table Make sure the screw heads on the shaft plate which supports the rotating table end up in the holes on the bottom of the rotating table s hub Now the machine can be fil
36. ent Rinse pipe potwash see the figure below showing the machine s washing compartment Rinse pipe normal wash see the figure below showing the machine s washing compartment Condensing unit not on standard machine this is a heat exchanger which utilises the energy in the steam which forms within the dishwasher during washing to heat incoming water 27 Using the dishwasher WD 90 DUO Rev 0 201401 25 4 04 001 Machine s washing compartment rinse pipes cold water jets etc 1 Rinse pipe potwash rinses the items when a potwash program is run using a water detergent mix with or without granules The water is pumped from the tank using the chemical wash pump or granule pump and exits through the rinse pipes Rinse pipe normal wash rinses the items when a normal wash program is run using a water detergent mix The water is pumped from the tank using the normal wash pump Rinse pipe final rinse these rinse the items with fresh water from the break tank which is pumped to the rinse pipes using the booster pump When filling the tank with water these rinse pipes are used for that purpose On standard machine Cold water jet used to rinse the rear edge of the washing compartment with cold water in order to condense the steam within the washing compartment before the hood opens On machine with condensing unit Drain connection drains con
37. g diagram contains information on connecting the dishwash er On delivery the diagram will be lying inside the dishwasher Keep it safe to prevent it disappearing or getting destroyed The machine must be connected to a lockable mains switch This should be lo cated on a wall well protected against water and steam emissions On delivery a cable is provided connected to the machine s cable connection 3 for the elec trical power supply Drain waste pipe connection The waste pipe from the machine is connected at 4 and routed to a floor drain The waste pipe connected to the dishwasher drain connection should be a corro sion free metal pipe or a PP pipe which can withstand mechanical influences The waste pipe is routed to a floor drain with the pipe exit kept clear of the water level The recommended dimension of waste pipe and the requirements for floor drain capacity are stated in Technical data on page 57 14 Installation WD 90 DUO Rev 0 201401 3 6 2 Bleeding the hood cylinder Bleeding of the lifting cylinder for the hood should be performed when the dish washer is filling with water on start up Proceed as follows 1 2 Loosen the plug in the bleed valve at the very top of the hood Start the dishwasher by pressing the button for switch on switch off If hood opening does not start press the button for operating the hood up and down Wait until water comes up through the hole in the bleed valve
38. he machine into service Installation of the machine must be performed in accordance with the requirements and instructions outlined in the chapter Installation on page 8 Any personnel using or who may at some point use the machine must be trained in its operation and use see below The dishwasher should not be used by anyone suffering from a physical or mental illness A close eye must be kept on any children in the vicinity of the machine to ensure they do not tamper with it All protective covers must be installed during use Text messages appear on the machine s display which indicate what the machine is doing Adjustable reference values and alarms are also indicated on the dis play For setting of the reference values contact your service engineer The alarms which may potentially occur and the action which should be taken in re sponse to these can be found under Operating problems on page 51 23 WD 90 DUO Rev 0 201401 Using the dishwasher 4 1 2 Machine layout 25 4 00 006_1 Cross sectional view right hand side 24 Using the dishwasher WD 90 DUO Rev 0 201401 10 11 12 13 14 17 18 19 20 21 22 23 Booster pump pumps water from the break tank via the booster heater to the rinse pipes for final rinse as well as water from the break tank to the hood lifting
39. he safety valve machine with condensing unit 49 4 3 10 Longer periods without use 20 eeeeeeeeeeeeeeeeeeeeeeeeeeeeteeeeeeeeeeeenaaaaees 50 4 3 11 Operating problems ccccccceeeeeeecceceeeeeeeeeeeeeeseeeseeeeeeeeeeeeeeeeeeneees 51 5 Technical data seesccdeeciicssusccsrdicwnisdveddunnwadddsccdsudsuuvvansawedtadeidvadiaducusiide 57 WD 90 DUO Rev 0 201401 General information 1 General information The dishwasher is intended for the washing of potwash items e g pots and pans canteens baking trays etc and normal wash items e g glass cutlery and crockery etc in general catering and the restaurant trade The capacity requirements for connections waste pipe etc and the emissions relating to noise levels which the machine generates in operation can be found under Technical data on page 57 Before the dishwasher is brought into service and used the following points should be observed The section on safety See Safety instructions on page 4 must be stud ied carefully before bringing the machine into service Installation of the machine must be performed in accordance with the requirements and instructions outlined in the chapter Installation on page 8 Any personnel using or who may at some point use the machine must be trained in its operation and use se Using the dishwasher on page 22 The dishwasher should not be used by anyone suffering fro
40. human exposure CE Declaration of Conformity according to EU s EMC directive 2004 108 EC Harmonised standards EN 61 000 6 2 Electromagnetic compatibility EMC Immunity standard for industrial environments EN 55 014 1 Electromagnetic compatibility Requirements for household appliances electric tools and similar apparatus EMC Part 1 Emission CE Declaration of Conformity according to EU s WEEE directive 2003 108 CE according to EU s RoHS directive 2011 65 EU Harmonised standards EN 50 581 Technical documentation for the assessment of electrical and electronic products with respect to the restriction of hazardous substances For products marked with EN 60 204 1 Machine safety electrical equipping of machines general requirements For other products EN 50106 Safety Particular rules for routine tests Vaxjo 201 i Mow mM Lm Magnus Titusson Managing Director
41. ing and maintenance make sure that the machine is installed in a well lit room 3 2 2 Ventilation The machine produces heat and steam when in operation In order to ensure the best possible working conditions the dishwashing room will require a given air change rate The ventilation requirements for the room are to be dimensioned on the basis of the applicable standards 3 2 3 Drain waste pipe There must be a floor drain for the water from the dishwasher s waste pipe and any other waste water If a loading table is located next to the machine the drain for the waste pipe is best positioned under the loading table Capacity require ments for the floor drain are stated in Technical data on page 57 WD 90 DUO Rev 0 201401 Installation 3 2 4 Space for servicing The dishwasher is designed to allow it to be positioned in a corner as shown in the figure below There must be a gap of at least 100 mm between the walls and the dishwasher A clearance of around 1 metre must be left in front of and to the right of the dishwasher to allow access for servicing and maintenance The electrical cabinet can be swung out from the dishwasher when servicing and repairs are needed To facilitate this clearance is needed in the form of a semi circle with a radius of around 0 75 m running from the front right hand corner of the machine as shown in the figure below If e g a loading table is to be positioned next to the machine this should
42. ises at which the machine is to be used can train the staff in the safe use handling and operation of the dishwasher The machine has to be handled correctly if it is to be used in a safe manner Keep the installation and user manual near the machine where it will be easily accessible to users If the installation and user manual is lost or destroyed a new one must be ordered from the dishwasher manufacturer or its local representative 21 WD 90 DUO Rev 0 201401 Using the dishwasher 4 Using the dishwasher This chapter deals with the layout of the dishwasher how to use it when washing the activities and checks you should perform prior to washing and the care and maintenance required for the machine 22 WD 90 DUO Rev 0 201401 Using the dishwasher 4 1 4 1 1 Before washing Using the machine The dishwasher is intended for the washing of potwash items e g pots and pans canteens baking trays etc and normal wash items e g glass cutlery and crockery etc in general catering and the restaurant trade The capacity requirements for connections waste pipe etc and the emissions relating to noise levels which the machine generates in operation can be found under Technical data on page 57 Before the dishwasher is brought into service and used the following points should be observed The section on safety See Safety instructions on page 4 must be studied carefully before bringing t
43. latter covers the front of the machine Take care during transport and when moving the machine as there is a risk of it tipping over If the machine is not to be installed immediately it must be stored in a dry frost free area 3 5 Unpacking Check against the delivery note that all the units have been delivered Inspect the machine for any transport damage 10 Installation WD 90 DUO Rev 0 201401 3 6 A Installation Before positioning the machine at its intended location make sure you adhere to the following procedure Check that the overheating protection device has been reset Check that the fuse for the element in the booster heater and tank FU42 is off it is in the electrical cabinet inside the right hand side panel Remove the protective plastic on the sides which are to be stood against a wall Undo the detergent hose on the back of the machine See Detergent dosage on page 18 Hang the hose up so that it can be easily accessed by the detergent supplier Move the machine into position There must be a gap of at least 100 mm between the dishwasher and the walls Adjust the dishwasher to ensure it is standing level put a spirit level against the dishwasher rib Check along three sides front right and left of the machine that it is standing straight Adjust the height using the dishwasher s legs 25 4 00 014 Check that the gap between the hood and lower part is approximately 5
44. leaning O To prevent the risk of people slipping due to granules being spilled on the floor the latter should be regularly swept clean Keep the floor dry Mop up any water which has been spilled The temperature of the water in the tank is approximately 55 65 C and the water contains detergent Be careful when draining and cleaning the tank Use protec tive gloves Pressure washers must not be used for cleaning the machine If water from a pressure washer is directed at the electrical cabinet it may penetrate the cabinet and damage the electrical equipment thereby impacting on safety To meet current regulations electrical components of approved enclosure class are used No enclosure class is designed to withstand high pressure The machine exterior may not be washed down with a pressure washer nor should the machine be washed down using a hose pipe applies mainly to con nection points Water may penetrate the electrical cabinet and control panel and damage the equipment thereby impacting on safety WD 90 DUO Rev 0 201401 Safety instructions the machine and damage the components These have not been designed to withstand being washed with water at high pressures Never use a pressure washer to clean the floor within one metre of the machine without the special pro tective covers that are available to prevent splashing Problems with splashing can also occur when using an ordinary hose pipe f If floors
45. led with water see Filling with water on page 33 42 WD 90 DUO Rev 0 201401 Using the dishwasher 4 3 4 Checking and cleaning the wash arms 25 4 04 001 The machine s washing compartment with wash arms and cold water jets 1 Rinse pipe potwash 2 Rinse pipe normal wash 3 Rinse pipe final rinse 4 Standard machine cold water jet Machine with condensing unit drain connection 5 Hood lifting cylinder Check The rinse pipes and cold water jets should be checked daily Check to ensure the following points The rinse pipes and cold water jets are not dirty There is no detritus clogging the wash nozzles on the rinse pipes The catches for the rinse pipes for normal wash 2 and potwash 1 are properly engaged The rinse pipes and cold water jets are not damaged if they are damaged contact the service company 43 Using the dishwasher WD 90 DUO Rev 0 201401 Cleaning The rinse pipes 1 2 should be properly cleaned at least once a week Proceed as follows Bez Rinse the outside of the rinse pipes and cold water jets with water Open the catches for the rinse pipes for normal wash 2 and potwash 1 Remove the rinse pipes and rinse them out on the inside with water Check there is no detritus clogging the jets or inside the rinse pipes Remove any detritus Refit the rinse pipes in their correct position and close the
46. m a physical or mental illness A close eye must be kept on any children in the vicinity of the machine to ensure they do not tamper with it All protective covers must be installed during use Text messages appear on the machine s display which indicate what the machine is doing Adjustable reference values and alarms are also indicated on the dis play For setting of the reference values contact your service engineer The alarms which may potentially occur and the action which should be taken in re sponse to these can be found under Operating problems on page 51 WD 90 DUO Rev 0 201401 General information 1 1 Symbols used in this manual This symbol warns of situations where a safety risk may arise The instructions given must be followed in order to prevent injury This symbol on a machine component warns of the presence of electrical voltage This symbol explains the correct way to perform a task in order to prevent damage to the dishwasher This symbol identifies recommendations and hints to help you get the best results when washing and to increase machine availability and lifetime This symbol explains the importance of careful and regular cleaning of the ma HACCP chine to meet hygiene requirements HELAAS oh 2 Symbols on the dishwasher This symbol on a machine component warns of the presence of electrical voltage The component may only be disconnected by a qualified electrician or trained per
47. metos COMBINATION DISHWASHER WD 90 DUO Translation of original user manual Installation and user manual S N Valid from 2014 01 22 Rev 0 WD 90 DUO Rev 0 201401 Dear Customer Congratulations on deciding to choose a Metos appliance for your kitchen activi ties You made an excellent choice We will do our best to make you a satisfied Metos customer like thousands of customers we have around the world Please read this manual carefully You will learn correct safe and efficient work ing methods in order to get the best possible benefit from the appliance The in structions and hints in this manual will give you a quick and easy start and you will soon note how nice it is to use the Metos equipment All rights are reserved for technical changes You will find the main technical data on the rating plate fixed to the equipment When you need service or technical help please let us know the serial number shown on the rating plate This will make it easier to provide you with correct ser vice For your convenience space is provided below for you to record your local Metos service contact information METOS TEAM WD 90 DUO Rev General information fice cececccet a haloes eect ecee re 1 1 1 Symbols used in this manual 2 oesc sed Goiectt be kbceeie cette eho Gee cesc eattewnee Toe denaees 2 1 2 Symbols on the dishwasher ccccccccceecccceeeeceeeseeeeeseeeeeeeeeeeeeeeeeaeeeeeseeeees 2
48. nce a week you should check there are enough granules in the machine The amount of granules is checked in one of two ways By measuring them with a litre measure or similar for granule volume see Technical data on page 57 or By checking the amount when the granules are in the granule collection basket The basket has two rivets which indicate the level the granules should reach in the basket If the granules reach this level the amount is correct 25 4 03 004 Add fresh granules as needed 47 WD 90 DUO Rev 0 201401 Using the dishwasher 4 3 8 Checking the hood s anti crushing system Operation of the hood s anti crushing system must be checked once a month It should also be checked by a service engineer whenever the machine is serviced 1 Open the hood Press the button for operating the hood at the very bottom of the panel 2 Hold a piece of wood or similar against the edge on the lower part of the machine 25 4 05 001 3 Press the button for operating the hood at the very bottom of the panel 4 Once the hood has gone down far enough to reach the piece of wood and start pressing on it the hood should reverse and return to its open position The sensitivity of the anti crushing system may need adjusting from time to time If so a service engineer must be called 48 WD 90 DUO Rev 0 201401 Using the dishwasher 4 3 9 Checking the safety valve machine with conde
49. ne should be provided Machine type and model Machine serial number and installation date Short description of the fault problem What happened immediately before the fault occurred 51 WD 90 DUO Rev 0 201401 Using the dishwasher Machine faults and user errors If a fault occurs on the machine an alarm appears on the panel display Alarms are displayed in order of priority i e if several alarms are activated at the same time the one which is highest in the list is displayed first Some alarm texts warn when something is wrong whereas others just provide in formation Some alarms only occur if the machine has certain additional options such as e g an extra HACCP alarm E WD 90 DUO 25 4 00 003_1 Panel for program selection start and stop etc 1 Display 2 Selection of normal wash programs 3 Selection of potwash programs 4 Granule collection 5 Activation of service mode 6 Page selection in service mode 7 Alarm reset 8 On Off 9 Hood up down Next to the panel button for alarm reset is a LED which illuminates red when an alarm is activated If the alarm can be reset with the reset button the LED flashes but if it cannot the LED will be constantly lit returns repeatedly in succession you should contact the service company for f Generally if the actions proposed below do not solve the problem or if the alarm them to deal with the fault 52 Using the dishwashe
50. ning Start potwash program P4 by pressing the button for potwash programs see chapter Wash programs on page 34 Check that program P4 is indicated on the machine display Lower the hood with the button for operating the hood at the very bottom of the panel Wait until the program has completed its cycle and the hood has opened Re weekly cleaning Run the granule collection program see Wash programs on page 34 by pressing the button for this program Lower the 44 Using the dishwasher WD 90 DUO Rev 0 201401 10 11 12 13 14 15 hood with the button for operating the hood at the very bottom of the panel Wait until the program has completed its cycle and the hood has opened Switch off the machine by pressing the button for switch on switch off The hood must be open Remove the cover plates and strainer granule collection basket Re weekly cleaning Check the amount of granules and clean them as instructed in the chapter Checking the amount and cleaning the granules on page 46 Clean and rinse off the cover plates and strainer with water Remove any detritus which has got stuck in the strainer holes Unhook the level pipe 1 from its holder and turn it one quarter turn Leave it for the moment in the waste pipe There should now be a slight chink between the bottom of the tank and the rubber sleeve on the level pipe to allow the water to run out 25 4 03 003 Once
51. nsing unit The safety valve for the condensing unit must be checked two or three times a year for correct operation Proceed as follows 1 The location of the safety valve is shown in the figure below 25 4 01 001 2 Make sure the water is turned on to the machine 3 Open the valve by turning the black knob anti clockwise je 25 4 01 002 4 Check that water flows out of the valve s outlet 5 Close the valve 49 WD 90 DUO Rev 0 201401 Using the dishwasher 4 3 10 Longer periods without use Periods without use of up to a week The machine is cleaned as for weekly cleaning see Cleaning the inside of the machine on page 44 and Cleaning the exterior on page 46 The granules are placed in a bucket containing water mixed with soaking agent or chlorine Carefully wash the granules stir the granules round and remove any food residues or detritus Leave the granules in the water for the period the machine is not in use Alternatively the granules can be cleaned and then put in a freezer for this period Rinse the granules with clean water before pouring them back into the machine Periods without use of longer than a week The machine is cleaned as for weekly cleaning see Cleaning the inside of the machine on page 44 and Cleaning the exterior on pag
52. nt Rinse pipe final rinse see the figure below showing the machine s washing compartment Rinse pipe normal wash see the figure below showing the machine s washing compartment Hood raised and lowered using an operating button on the machine display Hood carriage the hood is fixed in the hood carriage which controls the path of the hood as it goes up and down Limit switch for hood carriage indicates when the hood is in the closed position Tank element heats the water in the tank to the correct temperature Electrical connection this is where the electrical cable is connected The machine comes supplied with a cable fitted to the machine s electrical con nection Standard machine Cold water connection Dishwasher with condensing unit Safety valve trips if the pressure in the condensing unit gets too high Standard machine Hot water connection Dishwasher with condensing unit Cold water connection 25 WD 90 DUO Rev 0 201401 Using the dishwasher 15 A 5 25 4 00 005_1 Cross sectional view left hand side 26 Using the dishwasher WD 90 DUO
53. off ACTION Turn on the mains switch The machine will not fill with water The shut off tap on the in coming water supply is closed Open the tap The tanks will not stop filling with water The level pipe is not in place in the tank Fit the level pipe The level pipe s rubber sleeve is not sealing against the bottom plate Check that the level pipe is closed Change the rubber sleeve if it is damaged Noise from the wash pump Low water level Foam in the tank Check the level Change the water The machine is not cleaning properly See chapter Check the wash result on page 38 Granules are sticking to the washed items The rinse nozzles are blocked Clean the nozzles There is too much foam in the machine Check to see how clean the wash water is Change the water if necessary The permanent strainer in the tank has not been cleaned Clean the permanent strain er see section Cleaning the inside of the machine on page 44 The granules end up in the wrong tank The cover plates and strainer are not in place in the tank or have been incorrectly fitted Fit cover plates and strain er s Check they are correct ly located and cover the tank Items do not dry The rinse nozzles are blocked Check and clean the nozzles When contacting the service company the following details relating to the ma chi
54. on Contact service personnel or the supplier of the detergent device if the alarm will not go out 65 POWER GUARD ACTIVATED PART OF EQUIPMENT IS TURNED OFF Information that the power guard has engaged The text will go out once power consumption is back within normal limits 57 EXTERNAL ALARM ACTIVATED PRESS RESET The alarm can be reset by pressing the reset button Contact service personnel if the alarm recurs 55 Using the dishwasher WD 90 DUO Rev 0 201401 ALARM TEXT 58 TIME TO CHANGE WATER IN TANK PRESS RESET ACTION See section Changing the water on page 40 NOTE It is important that the ma chine is switched off when water is being emptied out of it If this is not the case the machine will immediately indicate an alarm again even if the water has been changed The alarm may be temporarily reset with the reset button e g if a wash needs to complete its cycle 59 TIME TO CHANGE WATER IN TANK MACHINE LOCKED See section Changing the water on page 40 NOTE It is important that the ma chine is switched off when water is being emptied out of it If this is not the case the machine will immediately indicate an alarm again even if the water has been changed 60 CHECK GRANULE LEVEL PRESS RESET Check the level as instructed in section Checking the amount and cleaning the granules on page 46 Reset the alarm by pressing the reset bu
55. osage is connected to the hose on the rear of the machine 25 4 04 002 Hose for detergent dosage on the rear of the dishwasher In the tank bottom is an outlet for a sensor for measuring detergent concentration f ae 25 4 04 003 oe Dishwasher tank 1 Outlet for sensor detergent concentration 2 Level pipe 3 Permanent strainer dividing wall WD 90 DUO Rev 0 201401 Installation 3 7 3 Drying agent dosage On the connector between the water pipe and connection for incoming water to the booster heater is a plug where a drying agent dispenser can be connected 25 4 04 004 Connection for drying agent 19 Installation WD 90 DUO Rev 0 201401 3 8 Trial operation 3 8 1 Checklist for start up 1 Before the machine fills with water the following must be checked Water and drain connections The machine should be standing level See Installation on page 11 The washing basket should allow of easy movement in and out of the machine Detergent and drying agent The level pipe cover plates and strainers should be in position The FU42 mini switch fuse for tank and booster heater elements should be in the OFF position Check the pump s direction of rotation NOTE If the pump is rotating in the wrong direction the ph
56. r WD 90 DUO Rev 0 201401 ALARM TEXT 0 PLATFORM ERROR ACTION Switch off the machine and restart It 63 POWER SUPPLY FAILURE CHECK THE EMERGENCY SWITCH Switch off the machine and restart it 98 HARDWARE ERROR POWER ON FUNCTION DEFECT CALL SERVICE Switch off the machine and restart it 3 NOMINAL VALUES CORRUPTED IN MEMORY CALL SERVICE Contact service personnel 99 THE MACHINE TYPE HAS BEEN CHANGED VERIFY THIS This alarm should not occur on normal operation If it does contact service per sonnel 2 INPUT FAILURE ON DIGITAL INPUTS CALL SERVICE Contact service personnel 100 NOMINAL VALUES RESTORED FROM UI This is an information text Reset with the reset button on the machine 4 COMMUNICATION ERR BETWEEN CPU BOARD AND I O BOARD 1 CALL SERVICE Restart the machine 7 COMMUNICATION ERR BETWEEN CPU BOARD AND U I BOARD CALL SERVICE Restart the machine 9 OVERLOAD PUMPS ACTIVATED CALL SERVICE Contact service personnel 10 HACCP ALARM PUMP FUNCTIONALITY DEFECT PRESS RESET Reset the alarm by pressing the reset button In certain cases the machine may lock when this alarm is displayed If this hap pens contact service personnel 11 HACCP ALARM PUMP DEFECT MACHINE LOCKED CALL SERVICE The machine is locked when this alarm is activated Contact service personnel 20 FREQUENCY INVERTER E
57. rdance with applicable EU directives and we declare under sole responsibility that the following products Single tank Pot wash Tunnel dishwashers with accessories WD 4x WD 6x WD 7x WD PRM6 7 WD 12 WD 90x WD 100GR WD 11 WD 151C0 211C WD 151E 211E 241E 331E 421E WD 153 213 243 333 423 WD 215T WD PRM60 90 WD T60 60F 80 90 WD C90 180 WD BF90 180 WD CDC Conveyor Special dishwashers WD B xxx WD xxCT WD 40BRE ACS 38 47 WD 18CW WD 25BR WD 25T WD 8020 8020W 8020WL 9020 9020W ACS 400HC ACS 800 Conform to the following directives CE Declaration of Conformity according to EU s Machinery Directive 2006 42 EG annex IIA Harmonised standards EN 12 100 1 Machine safety specification for general requirements part 1 EN 12 100 2 Machine safety specification for general requirements part 2 EN 60 204 141 Machine safety electrical equipping of machines general requirements EN 60 335 1 Safety of household and similar electrical appliances General requirements EN 60 335 2 58 Specification for safety of household and similar electrical appliances Particular requirements Commercial electric dishwashing machines CE Declaration of Conformity according to EU s Low voltage directive 2006 95 EC Harmonised standards EN 60529 Specification for degrees of protection provided by enclosures IP code EN 62 233 Measurement methods for electromagnetic fields of household appliances and similar apparatus with regard to
58. s selects potwash programs P1 P3 For these three programs cleaning of the items to be washed is intensified by the addition of granules Programs P1 P3 are best used for washing items which are very heavily soiled Pressing the button 3 four five or six times selects potwash programs P4 P6 which are potwash programs without granules Pressing the button 3 seven times selects program PO which results in the machine being set to standby mode for washing The potwash programs are differentiated not just by the use or otherwise of gran ules but also the time the wash cycle takes see Technical data on page 57 Granule collection program The granule collection program is used to collect the granules in the machine in a special basket when the amount of granules is to be checked or the granules cleaned The procedure for collection of granules is described under Checking the amount and cleaning the granules on page 46 Pressing button 4 once activates the granule collection program Pressing it twice activates program 0 standby mode 4 2 4 Cancelling a wash program and stopping the machine Cancelling a wash program It is possible to cancel a selected wash program at the start provided washing has not actually begun This is achieved by opening the hood using the button for hood operation It is also possible to change a selected program before the hood has managed to close ready to start the program
59. sonnel gt 1 2 1 Machine marking The machine has two rating plates one on the side of the machine at the bottom see figure and the other in the electrical cabinet The technical data on the plates can also be found on the machine s wiring diagram 25 4 00 016 Location of rating plates WD 90 DUO Rev 0 201401 General information Rating plate Wexiddisk CE X 2 3 IP 4 V 6 7 Hz 8A 11kW Mardvagen 4 S 352 45 V XJ SWEDEN Machine type Machine serial number Year of manufacture Enclosure protection class Voltage Number of phases with or without neutral Frequency Main fuse Motor output Electrical heating output Max output RSeEPNQOaPRWN SD O 1 3 Checking that the dishwasher matches the installation and user manual Check that the type description on the rating plate matches the type description on the front of the installation and user manual Safety instructions WD 90 DUO Rev 0 201401 2 Safety instructions 2 1 General information 2 2 Transport 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 will invalidate the manufacturer s product liability To
60. sult on page 38 The washed items are dried There is adequate water flow to the machine see Technical data on page 57 Inform the customer if the water flow and the water pressure are too low 5 Final check Empty the machine Changing the water on page 40 and switch it off using the button for switch on switch off Re tighten all the connections on the circuit breakers and relays Set all the circuit breakers to the ON position Display the instructions on how to care for the machine which are supplied with it quick reference guide 6 Train dishwashing staff Comply with local regulations governing recycling of packaging protective plastic laminates granules etc and recycling when the machine is destroyed at the end of its useful life The packaging consists of wood corrugated cardboard and plastic and must be recycled as these fractions or as combustible material Protective plastic laminates and granules are to be sorted as plastics or combus tible material The machine is manufactured from stainless steel plate but includes a certain amount of brass It also contains electronic components These should be recy cled in accordance with local regulations 3 10 Technical documentation It is important that the members of staff who are to use the machine read and un derstand the installation and user manual which comes with the dishwasher Al ternatively the safety officer of the prem
61. the tank is empty remove the level pipe 1 and clean and rinse with water Clean the inside of the tank Clean the permanent strainer dividing wall in the tank Clean and check that no detritus has got stuck in the level sensors 2 in the tank Clean the rinse pipes see Checking and cleaning the wash arms on page 43 Clean the inside of the hood etc 45 Using the dishwasher WD 90 DUO Rev 0 201401 16 Re daily cleaning Rinse the granules with water in the tank 3 Stir the granules round while they are being rinsed and remove any detritus mixed in with them Re weekly cleaning Pour the granules back into that part of the tank which is nearest the front 3 17 Refit the level pipe Make sure the rubber sleeve achieves a good seal with the bottom of the tank 18 Refit the strainer and cover plates 19 Refit the rotating table Turn the rotating table until the screw heads on the shaft plate which supports it end up in the holes on the bottom of the rotating table s hub 20 Clean the washing accessories for the machine such as baskets etc Once it has been cleaned it is a good idea to leave the machine with the hood iJ open if no washing is due for a day e g overnight 4 3 6 Cleaning the exterior Wipe the outside of the machine with a soft damp cloth Do NOT use steel wool as this can cause rust to form on the machine f Make sure you adhere to the following when cleaning the machin
62. tton 104 TIME TO CHANGE GRANULES PRESS RESET For changing granules see section Change the granules on page 50 Reset the alarm by pressing the reset button 64 TIME FOR MAINTENANCE CONTACT The alarm is displayed for the first 10 seconds after start up Once it goes out the machine can be used as normal Contact service personnel as soon as possible 56 Technical data WD 90 DUO Rev 0 201401 5 Technical data Wexiddisk AB reserves the right to make changes to technical data without prior notification Volume litres Tank total 90 Tank s granule part 40 Recommended granule amount 5 Water volume in condensing unit 2 Wash cycles min Normal wash Program 1 1 3 Program 2 1 8 Program 3 3 3 Potwash with granules Program 1 5 1 Program 2 8 1 Program 3 10 9 without granules Program 4 2 5 Program 5 4 Program 6 7 Granule collection program 2 a The values in the table relate to the factory setting The wash cycles can be adjusted contact your service engineer Weight Machine with condensing unit excluding water detergent and 370 granules Machine without condensing unit excluding water detergent 341 and granules a on delivery approx 30 kg should be added for the packaging b on delivery approx 30 kg should be added for the packaging Washing capacity items Max number of

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