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WD-12S

 Rev. (202103)

General instructions

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EU Declaration of Conformity

A so-called EU Declaration of Conformity is provided on delivery of the machine.

1.

Contact  details  of  the  manufacturer  (Wexiödisk  AB,  Mårdvägen  4,  SE-
35245 Växjö, SWEDEN, Tel.: +46 470 771200, Fax: +46 470 23752, E-
mail: [email protected]).

2.

Representatives of Wexiödisk AB.

3.

Person responsible for the product’s documentation.

4.

Year of manufacture of the product.

5.

The  EU Directives  with  applicable  provisions  to which all  the  machines,
special machines and accessories comply.

6.

Harmonised  standards  for  the  Directives  specified,  and  which  the
machines, special machines and accessories meet, wherever relevant.

7.

Model designation and serial number of the machines, special machines
and accessories the document applies to.

8.

Place and  date with signature and name (in block letters)  of  the  person
responsible for ensuring compliance with legislation and regulations.

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Summary of Contents for WD-12S

Page 1: ...COMBI DISHWASHER WD 12S translation of the original documentation Read the manual before using the machine Installation and user manual S N En Valid from 202103 Rev ...

Page 2: ......

Page 3: ...irements for the installation site 8 3 2 1 Lighting 8 3 2 2 Ventilation and ambient temperature 8 3 2 3 Power supply 9 3 2 4 Water 9 3 2 5 Drain waste pipe 9 3 2 6 Space for servicing 9 3 3 Transport and storage 10 3 3 1 Unpacking 10 3 3 2 Recycling 10 3 4 Installation 11 3 4 1 Preparing for the installation 11 3 4 2 Positioning the machine 11 3 5 Connections 12 3 5 1 Electrical connection 13 3 5 ...

Page 4: ...ocumentation 25 4 Operating instructions 26 4 1 Before washing 27 4 1 1 Machine design 27 4 1 2 Preparations before filling 29 4 1 3 Filling and heating the machine 29 4 2 Washing 30 4 2 1 Programme selection Normal load Heavily soiled load 30 4 2 2 Changing the washing temperature and washing time 31 4 2 3 Positioning of dishware in baskets 33 4 2 4 Starting washing 36 4 2 5 Checking the wash res...

Page 5: ...is doing The machine s various temperatures and any alarms are also shown The capacity requirements of the machine can be found in the TECHNICAL DATA chapter The electronics in the machine are RoHS compatible Before the machine is started up and used the following points should be observed The SAFETY INSTRUCTIONS chapter must be studied carefully before commissioning the machine Installation of th...

Page 6: ...ic electricity wristband must be used when handling the electronics at all times This symbol explains the right way to perform a task in order to prevent poor results and or damage to the machine This symbol identifies recommendations and hints to help you get the best results when washing to increase the machine s lifespan and reduce the risk of emergency shutdown This symbol explains the importa...

Page 7: ...tion class 5 Voltage 6 Number of phases with or without neutral 7 Frequency 8 Main fuse 9 Motor output 10 Electrical heating output 11 Max output 1 3 Checking that the machine and manual correspond Check that the type description on the rating plate corresponds with the type description on manual cover page If manuals are missing it is possible to order new ones from the manufacturer or the local ...

Page 8: ...documentation 4 Year of manufacture of the product 5 The EU Directives with applicable provisions to which all the machines special machines and accessories comply 6 Harmonised standards for the Directives specified and which the machines special machines and accessories meet wherever relevant 7 Model designation and serial number of the machines special machines and accessories the document appli...

Page 9: ...accordance with local and national rules in effect for such work with water and drainage systems electricity ventilation and steam To ensure electrical safety components must only be tested when installed in their normal place in the machine We recommend that the work is performed by the manufacturer or one of the manufacturer s authorised service companies To further improve safety during install...

Page 10: ...f preventive care and maintenance For authorised service companies please see www wexiodisk com or contact Wexiödisk AB The regular checks described in the manual must be carried out in accordance with the instructions 2 2 Transport Handle the machine with care during unloading and transport there is a risk of it tipping over Never lift or move the machine without using the wooden packaging to sup...

Page 11: ...efore during and after washing Be careful therefore to avoid crushing injuries In connection with service or repairs that require the hood to be open it must be secured by means of a prop for example 2 5 3 Risk of slipping The floor should be kept clean and dry to eliminate any risk of slipping Mop up any water and leftover food that has been spilt 2 5 4 Sounds The machine is not silent during ope...

Page 12: ...ur machine is equipped with If holes need to be drilled in the machine the holes must be fitted with an edge strip or similar protection 3 2 Requirements for the installation site 3 2 1 Lighting In order to ensure the best possible working conditions during installation operation servicing and maintenance make sure that the machine is installed in a well lit room 3 2 2 Ventilation and ambient temp...

Page 13: ... regulations The machine s capacity requirements are stipulated in TECHNICAL SPECIFICATIONS 3 2 5 Drain waste pipe There must be a drain pipe with an effective trap for the machine s waste water and for water used for rinse cleaning The machine s capacity requirements for drainage are stipulated in TECHNICAL SPECIFICATIONS 3 2 6 Space for servicing A 1 metre area should be left clear in front of t...

Page 14: ...e may become damaged When transporting the machine without a normal wooden pallet always check that none of the components underneath the machine can be damaged A Pumps B Spacers If the machine is not being installed immediately it must be stored in a frost free area where the air is dry 3 3 1 Unpacking Check that all parts have been delivered by comparing them with the delivery note Remove the pa...

Page 15: ...ite is off blocked and that outgoing electrical circuits from the machine are non live Remove the protective plastic on the sides which are to be stood against a wall The distance between the wall and machine should be at least 20 mm If the machine is to be corner loaded it must be positioned with the control panel furthest away from the wall Put the machine in position and check that the machine ...

Page 16: ... Machines with ECO flow option Cold water connection 4 Machines with ECO flow option Hot water connection 5 Drain waste pipe connection 6 Drain pump option 7 Plugged hole for detergent connection 8 Exhaust air ECO flow option In the following chapter figures are given in brackets to clarify what needs to be done These numbers refer to image and list above 11563 ...

Page 17: ...e connected 1 or 2 After completing the installation switch on the power switch and all circuit breakers 3 5 2 Water connection regardless of any options A shut off cock must be installed on the incoming pipe It is important that the water supply has sufficient pressure to ensure the correct flow of water to the machine The required water flow and pressure can be found in the TECHNICAL SPECIFICATI...

Page 18: ...ain must run to a floor drain where its opening must be above the water level Ensure that the drain connection is kept in place by using e g cable ties in the designated areas Machines with a drain pump option Drain hose A consists of a spiral hose which is connected to the machine s drain pump 6 and to the floor drain B as per one of the alternatives in the illustration 6 A min 25mm B Dp ...

Page 19: ...tergent is used it should preferably be put on the wall behind the machine to avoid holes being drilled unnecessarily in the machine Detergent hose connections on both sides of the tank The measuring cell for measuring the concentration of detergent in the washing water is located on the left hand side of the tank viewed from the front and hole markings for drilling are shown When drilling holes i...

Page 20: ...ust be filled with water before starting the booster pump for the first time Once the break tank has been filled with water the booster pump is bled by slackening the bleed screw on the top right hand side of the pump housing This may be accessed via the plastic plug on the right hand side of the machine The booster pump is located on the removable booster heater kit Booster heater bleed screw ...

Page 21: ...leed screw located above back edge of hood 1 Close the hood 2 Unscrew the bleed screw a couple of turns 3 Push the hood up and down until only water N B Not air comes from the cylinder 4 Tighten the bleed screw 5 Wipe away any waste water from the hood lifting switch located inside the hood near the bleed screw ...

Page 22: ...in the middle of the hood to hold it there When the anti crushing mechanism is correctly installed the hood should automatically stop and go up again when the pressure reaches around 12kg This can be checked by for example using scales such as fish weighing scales or dynamometer 3 Tighten the screw a quarter of a turn and repeat the test The pressure switch is usually adjusted correctly when lengt...

Page 23: ...ally place no specific requirement on the installation Brief descriptions of certain options are provided below 3 6 1 ECO flow condensing unit A hot and cold water connection is required The machine has a 15kW booster heater but can also optionally be fitted with a 12kW booster heater Automatic rinse cleaning of condensing battery CO is shown on the machine s display when the condensing unit is ac...

Page 24: ...WD 12S Rev 202103 Installation instructions 20 3 6 4 Grid basket Removable 3 6 5 Drain pump May be retrofitted 3 6 6 Marine design Special machine feet and special connection voltage ...

Page 25: ...ing tank on WD 12S The connection must be fitted with a bottom filter N B No level pipe B Connecting pipe Cut to a suitable length C Connection for connecting pipe A Water connection in the bottom of washing tank on WD PRM 7 The connection must be fitted with a bottom filter N B No level pipe E Drain connection in the bottom of washing tank on WD PRM 7 F Connection for waste pipe between machine a...

Page 26: ... retrofitted 3 6 10 Hot water filling for demi water rinsing N B Hot water is connected to the machine at 4 N B Demi water for the final rinse is connected at 3 3 6 11 Conveyors and roller conveyors Once the machine is in place and has been adjusted horizontally and vertically the auxiliary equipment can be fitted N B When connecting sinks and conveyors no holes must be drilled on the front of the...

Page 27: ...chine and then adjust Drill two ø 4 5 mm holes through the sink connection and the machine approx 100 mm from each outer edge Countersink the holes Seal with silicone between the connection and the machine Secure the sink with countersunk M4 screws grommets on the outside surface and nuts Alternatively you can secure the sink to the wall with wall brackets Use a spirit level to check that the sink...

Page 28: ...e is reset That bleeding of the booster pump has been carried out according to the manual 2 Filling the machine Turn on the power switch and any circuit breakers Press the machine s control button ON OFF Close the hood Bleed the booster pump Bleed the hood lifting cylinder Fill the machine with water as per the OPERATING INSTRUCTIONS Bleed the hood lifting cylinder 3 Start the machine Check the di...

Page 29: ... contact your chemical supplier for a more precise setting 6 Final check Empty the machine and turn off the power using the power switch Re tighten all connections on contacts and any circuit breakers Set all the circuit breakers to the ON position Display the maintenance instructions supplied with the machine 7 Train the dishwashing personnel Washing Care daily weekly and other frequencies Recomm...

Page 30: ...t be done with the machine Before washing How washing should be performed After completed washing In the event of error messages and troubleshooting The use of the machine is dependent on how the machine is equipped If the machine will not be used for a longer period the power to the machine should be turned off using the power switch the water supply turned off and machine should be left open ...

Page 31: ...WD 12S Rev 202103 Operating instructions 27 4 1 Before washing 4 1 1 Machine design 309803 12 11 20 18 17 16 15 14 13 10 19 P1 P2 P3 WD 12 309236 1 3 5 6 7 8 9 4 2 ...

Page 32: ...e P1 is used to show the different reference values and to reset the reference values to the last saved values If the machine has a drain pump P1 is used to start the drain pump and empty the tank after washing 7 Button for washing programme P2 P2 is used in service mode to increase a reference value or jump between tables In shut off mode the software version number can be displayed by holding do...

Page 33: ... condensing unit detergent intended for aluminium should be used If the machine is equipped with a condensing unit dishware should be removed from the machine as soon as the condensation cycle is complete so that re condensation does not occur 4 1 3 Filling and heating the machine Switch on the power using the 0 1 button 9 Close the hood by pressing button 5 The display 2 shows the temperature of ...

Page 34: ...ad may be selected using the levers The machine can be used as a standard dishwasher for washing plates and glassware in baskets or as a potwasher If using the machine for a normal load the levers 12 must be at the position The different programs are then used as follows The control panel has three programme buttons P1 P2 and P3 P1 Lightly soiled items e g trays and glassware P2 Normal load P3 Hea...

Page 35: ...s and buttons have different functions than when the machine is in normal operating mode The panel s functions in service mode 1 Symbol for washing function 2 Display for the table numbers and the row numbers of each table 3 Symbol for final rinse 4 Display of values and other information for all the row numbers in the tables 5 Button for opening closing the hood 6 Use the P1 button to move betwee...

Page 36: ...number in the table The bottom display 4 shows the set washing temperature flashing only values that flash when they appear can be changed If the temperature is to be changed press P2 7 to increase the value or P3 8 to reduce the value If the washing time for a programme is to be changed use P1 6 to move to the next row number in the table For explanations of row numbers 01 02 03 and 04 see table ...

Page 37: ...shware in baskets Depending on what the machine is equipped with it will be delivered with baskets or a basket conveyor with grid sections option or removable grid baskets option Machines with a basket conveyor The yellow basket is used for side plates trays plates etc ...

Page 38: ...WD 12S Rev 202103 Operating instructions 34 The blue basket is used for glasses cups and canteens Basket conveyor with grid sections option Washing basket located on basket conveyor with grid sections ...

Page 39: ...WD 12S Rev 202103 Operating instructions 35 Grid basket option ...

Page 40: ...s washing with the selected programme The display 4 now shows the program s remaining washing time The symbol 1 is lit during the washing phase Once the rinsing phase starts the symbol 3 lights up If the final rinse water has not reached the correct rinse temperature once rinsing starts the symbol 3 flashes and the machine continues washing until the rinsing water has reached the correct temperatu...

Page 41: ...one basket machines with Autostart option If the machine is equipped with Autostart and washing is to take place with only one basket this basket must be put into the first position and the machine will start washing using the most recently selected programme Washing with double baskets machines with Autostart option If the machine is equipped with Autostart and washing will take place with double...

Page 42: ...WD 12S Rev 202103 Operating instructions 38 Washing with pre wash machine WD PRM 7 option The start up and washing procedures etc are the same as for standard washing See also the manual for WD PRM6 7 ...

Page 43: ...both detergent and drying results of the dishware The hardness level of the water affects the consumption of detergent Contact the detergent supplier Temperatures At incorrect temperatures the dishes will not be clean Contact a service technician if you need to change the set values Programme selection Programme with too short a washing time selected Choose a programme with a longer washing time C...

Page 44: ... is empty turn the level pipe 18 clockwise and refit the filter tray 11 and strainer basket 17 The basket conveyor 16 with grid sections option or grid basket option folds down Close the hood 5 and the machine will refill Check that the final rinse symbol 3 is lit Machines with a drain pump option N B The hood must be open when the drain pump is running Check that the machine is in P0 mode Open th...

Page 45: ...e machine The following points must be observed Do NOT use steel wool as it will cause corrosion to form on the machine If detergent is used it must not contain abrasives Detergents containing abrasives will damage the stainless steel panels The exterior of the machine must not be hosed Water can enter the machine and damage the control panel and electrical equipment Pressure washers and steam can...

Page 46: ...lay for 3 minutes At this point the machine is still live and emptying and internal rinse cleaning must start within this period The machine then switches off automatically There are various options for storing the removable parts when the machine has been cleaned It is important that the level pipe sleeve is not damaged and the basket conveyor has a holder for this Placing cleaned components in m...

Page 47: ...WD 12S Rev 202103 Operating instructions 43 Placing cleaned components in machines with a basket conveyor with grid sections Placing cleaned components in a basket after washing ...

Page 48: ...allowing it to hang free Machines with a drain pump option N B The hood must be open when the drain pump is running Check that the machine is in P0 mode Open the hood 5 Open the basket conveyor 16 grid sections option or grid basket option and lock it in place with the clasp 15 at the back edge of the machine Remove the strainer basket 17 filter tray 11 and the level pipe 18 and clean them Press t...

Page 49: ...rnally The interior of the machine will be rinsed clean when the machine is switched off in accordance with the manual Externally Wipe the outside of the machine with a soft damp cloth If detergent is used it must not contain abrasives Detergents containing abrasives will damage the stainless steel panels The exterior of the machine must not be hosed Water can enter the machine and damage the cont...

Page 50: ...ation message IF10 is shown in the display weekly cleaning needs to be performed In addition to the daily cleaning measures clean the machine as per these instructions Take out the wash arms x 4 Loosen the lock nut A in the centre of the washer arm and remove the wash arm Check and clean the nozzles if necessary Rinse the wash arms and refit them A Lock nut ...

Page 51: ... switch has been activated to prevent crushing injuries You can reset the alarm by pressing 0 1 or the button to open close the hood Er04 Faulty temperature sensor in booster heater B41 Contact service personnel Er05 Faulty temperature sensor in washing tank B21 Contact service personnel IF06 Er06 The booster heater is not cooled during the final rinse phase The alarm can be reset by pressing 0 1 ...

Page 52: ...ecessary IF35 The washing tank has not been filled with water Open and close the hood to start the filling process The alarm can be reset by pressing 0 1 on the panel Er96 The motor safety cut out for the pump has tripped Contact service personnel Er97 One digital input is shorted to ground Contact service personnel Er98 Communication fault between the CPU and the panel card The alarm can be reset...

Page 53: ...ls slowly The rinse pipe nozzles are blocked Clean the wash nozzles The machine does not stop filling The level pipe is not in place Fit the level pipe The level pipe s rubber sleeve is not sealing against the bottom plate Adjust the level pipe Check that the rubber sleeve has not been damaged Change the rubber sleeve if it is damaged The hood is not opened closed properly Air has got into the sys...

Page 54: ...t a washing time selected Choose a wash programme with a longer washing time Dirt has dried on the dishware to be washed Soak the dishware before washing The dishware is incorrectly positioned in the baskets Use the correct type of washing basket and accessories to ensure that the dishware is correctly positioned Detergent and drying agent of another make than usual are used Use the same make and ...

Page 55: ... 55 m using a microphone When measuring sound power level create an imaginary measurement area consisting of five sides at a distance of 1 m from all edges of the machine TECHNICAL DATA Washing pump kW 2 x 1 5 Booster heater kW 12 15 Tank heater kW 9 Booster pump kW 0 58 Drain pump W 170 Heat recovery fan W 52 Heat recovery fan flow m hour 540 Tank volume l 100 Weight machine in operation kg 385 4...

Page 56: ... 18 Main fuse 400 415 V 3N A 32 Max connection area 400 415V 3N L1 L3 N PE Cu mm 25 WATER DRAIN AND VENTILATION CONNECTIONS Water quality hardness dH 2 7 Hot water connection 50 65 C external thread R Cold water connection 5 12 C external thread R Drain connection PP pipe ø mm 50 Water capacity pressure kPa 20 Water capacity flow litres min 10 Floor drain capacity litres sec 3 Heat load room laten...

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