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TUNNEL DISHWASHER WD-153 - WD-423 optiflow (original documentation) Read the manual before using the machine! Installation and user manual S/N: (En) Valid from: 202310 Rev.: 00 (202310)
WD-153 - WD-423 Rev. 00 (202310) General instructions optiflow 1. General instructions Read the instructions in this manual carefully as they contain important informa- tion regarding the correct, effective and safe installation, use and servicing of the machine. Service personnel should have access to all documentation for the ma- chine.
WD-153 - WD-423 Rev. 00 (202310) General instructions optiflow 1.1 Symbols used This symbol warns of situations where a safety risk may arise. The instructions given should be followed in order to prevent injury and dangerous situations. This symbol on a machine part warns of electrical equipment. The machine must be entirely non-live during servicing, turn off the power at the power switch or the main switch and if required, the switch should be locked to prevent unintentional operation.
WD-153 - WD-423 Rev. 00 (202310) General instructions optiflow 1.2 Machine rating The machine has two rating plates, one of which is placed at the bottom of one side of the machine and the other in the electrical cabinet. The technical informa- tion on the plates is also included on the machine’s wiring diagram.
A so-called EU Declaration of Conformity is provided on delivery of the machine. CE_16_2 Contact details of the manufacturer (Wexiödisk AB, Mårdvägen 4, SE- 35245 Växjö, SWEDEN, Tel.: +46 470 771200, E-mail: wexiodisk@wexio- disk.com). Representatives of Wexiödisk AB. Person responsible for the product’s documentation.
WD-153 - WD-423 Rev. 00 (202310) Safety instructions optiflow 2. Safety instructions Read the chapter GENERAL INSTRUCTIONS carefully before starting work. 2.1 General information 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.
Warranty repairs must be performed by an authorised company. Contact an authorised service company to draw up a programme of 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 accord- ance with the instructions.
WD-153 - WD-423 Rev. 00 (202310) Safety instructions optiflow 2.5 Operation Be very careful around the machine when it is in operation. 2.5.1 High temperatures • The temperature of the washing and rinsing water is 60° C and 85°C. Do not open the machine until the washing and rinsing phases have finished.
WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow 3. Installation instructions Read the chapters GENERAL INSTRUCTIONS and SAFETY INSTRUCTIONS carefully before starting work. 3.1 General information Read these instructions carefully, as they contain important information regarding the correct installation method. •...
WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow 3.1.1 Rust on industrial dishwashers • Large-scale industrial dishwashers in general as well as our dishwashers are made of stainless materials, but despite this, there are still situations where rust can occur on “stainless” materials. •...
WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow 3.2 Requirements for the installation site 3.2.1 Lighting In order to ensure the best possible working conditions during installation, opera- tion, servicing and maintenance, make sure that the machine is installed in a well- lit room.
WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow 3.3 Transport and storage Always transport the machine in an upright position. Take care during transport, as there is a risk of tipping. N.B.! The machine must not be transported without a pallet or other support. Some form of support beam must always be used along the sides of the machine during transport.
WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow 3.4 Installation 3.4.1 Preparing for the installation Check that there is sufficient room for the machine at the installation location. • Check that correct connections are available for water, electricity, drainage and possibly steam at the installation location.
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WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow Assembling the divided machine (optional) Parts which must be assembled are prepacked inside each section together with the necessary bolts, nuts, etc. • Dismantle the lower cover plates (on the front side) beside the pre-wash and chemical wash.
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WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow • Slide the two sections towards each other, but do not close completely. There must be enough space to allow silicone to be applied around all openings. • Apply silicone around all screw holes and other openings on both sections. •...
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WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow • Now fit the stainless clamp strips (F) to the interior of the machine above the join between the sections. Apply silicone to the strips before fitting them into place. Fit the strips in the following arrangement: 1- upper strip, 2 - low- er strip, 3 - rear strip.
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WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow • Connect the pressure stat hose 'SP1' in its designated place. • Connect the water connection.
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WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow • Now fit the feed cradle and emptying device.
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WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow • Fitting the door seal to the electrical cabinet. Place the door seal (WD400277.31) in the cable channel. This seals the hole for the door switch and photocell cable. • The wiring must be positioned and anchored in the designated places for this.
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WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow • Connect the wiring for photocell B61 and B62 to the green contact J44 on computer card A1. • Connect the temperature sensor to the terminal box in accordance with the machine's wiring diagram.
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WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow • Check that all wiring has been connected. N.B.! Perform an additional check of the earth wiring.
WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow 3.5 Connections 10,11 E_03_T_R1 10 11 Electrical connection Cold water connection/filter Hot water connection/filter Drain/waste pipe connection Steam connection (option) Condensing water connection (option) Floor drain Heat recovery unit exhaust fan Alternative electrical connection Alternative cold water connection Alternative hot water connection...
WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow WD-153 WD-213 WD-243 WD-333 WD-423 1360 2260 1670 1670 1230 1830 2130 3030 3930 1655 2255 2555 3455 4355 * = Installation dimensions at bench height In the following chapter, figures are given in brackets to clarify what needs to be done.
WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow 3.5.3 Ventilation The machine’s heat load for the room is stipulated in TECHNICAL SPECIFICA- TIONS. The machine has a heat recovery unit connected to an exhaust fan to reduce the amount of steam released. Extractor fans for extracting steam can be installed above the infeed and outfeed openings, as well as above the area of the machine where steam is emitted from the condensing fan.
WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow 3.5.6 Detergent and drying agent • Check what your machine is equipped with, which depends on the model, machine type and country. • Use the same make and type of detergent and drying agent. •...
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WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow Connection of the equipment Hot water outlet Hole ø 25mm for hose intended for detergent in solid form. Hole ø 19mm for drying agent hose. Drying agent dosage outlet. Plugged connection ø 18mm for connecting hose for detergent in solid form Plugged hole ø...
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WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow Electrical connection of the equipment The machine comes ready for fitting detergent and drying agent equipment, but this is not included with the machine. To avoid making unnecessary holes in the machine, the equipment should be placed on the wall behind the machine on the outfeed side.
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WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow Detergent dosage The water outlet (1) for the detergent dosage is placed on the incoming hot water pipe. Hot water outlet Plugged holes for hoses, e.g. for detergent and drying agent...
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WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow “D” indicating alternative opening for detergent Plugged hole for measuring cell Drying agent dosage The connection for drying agent (4) is located next to the booster heaters. Drying agent dosage outlet A = Lower booster heater...
WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow 3.6 Installation and connection of auxiliary equipment and options • Once the machine is in place and has been adjusted horizontally and ver- tically, the auxiliary equipment can be fitted. • The machine can be equipped with a number of options.
WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow 3.7 Trial operation Prepare the machine for trial operation with the help of OPERATING INSTRUC- TIONS. The instructions describe the measures that must be taken to prepare the machine for operation. 3.7.1 Commissioning protocol This should be completed when the machine is started up and used.
WD-153 - WD-423 Rev. 00 (202310) Installation instructions optiflow 4. Start the machine: • Check the direction of rotation of the pumps NB! If the direction of rotation is wrong, the phase must be inverted on the incoming feed. • Check that the overload switch on the feed cradle is functioning.
WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow 4. Operating instructions Read the chapters GENERAL INSTRUCTIONS and SAFETY INSTRUCTIONS carefully before starting work. • The machine's touch panel contains built-in guides on what and how things must be done. •...
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WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow Emergency stop ON/OFF button Touch panel Main switch Curtain Wash arm Door Catch Wash nozzle Lever for emptying the tanks Filter for the final rinse Filter Outlet seal Rubber sleeve Lifting arm for level pipe and outlet seals Filter Level pipe Photocell...
WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow 4.1.2 Preparations before filling Check: • that the machine and removable parts have been cleaned. If not – clean them! • that there is no dirt in the wash arms (6) or rinse nozzles (9). •...
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WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow Filters and cover plates Which filters and cover plates are used where in the machine depends on the wash zone in which they are located in the machine. PRE-WASH ZONE (1 pcs) WD-213 •...
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WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow Curtain placement The curtains in the machine must hang in accordance the image depending on the feed direction. L - R R - L The number of curtains is dependent on the size of the machine. WD-153 WD-213 WD-243...
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WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow The machines in the images have a Right - Left feed direction...
WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow 4.1.3 Touch panel General The panel comprises four fields: • A = Top bar • B = Process bar • C = Activity field • D = Bottom bar Active (clickable) symbols are in blue. Inactive symbols are in grey. The activity field (C) contains both information text and selectable symbols which are used to continue to different entries: BT_1...
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WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow Top bar (A) This indicates the machine status using text and symbols (2, 3, 4) and the date and time (1). Alarm and information messages are displayed here. More information about these is shown in the activity field (C).
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WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow Symbols The following symbols and a brief description may be displayed in the various fields of the panel (some depending on machine type). Symbol Explanation Symbol Explanation Black: Information Change the water Blue: About the machine Autostart of filling and Consumption...
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WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow Symbol Explanation Symbol Explanation Low flow Machine status No / Cancel No flow Other Wash program for mixed dishware Manual feeding Empty the machine START / ON Protocol Glass Plates Pots Relay test Repeat / Machine is in op- Reset...
WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow 4.1.4 Filling and heating the machine • A: ON/OFF button Start button Activity text • Press the ON/OFF button (A) located in the vicinity of the touch panel to start the machine. N.B.! At least 25 seconds must have elapsed after the main switch is set in the ON position.
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WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow N.B.! The time it takes for the machine to fill and heat up to the right washing tem- perature varies between 5 and 30 minutes and depends on the temperature of the incoming water.
WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow 4.1.5 Positioning of dishware in baskets The machine is supplied with washing baskets depending on the equipment level. The washing baskets are used according to the following: The yellow basket is used for side plates, trays, plates, etc. The blue basket is used for glasses, cups and canteens The brown basket is used for cutlery during the first wash...
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WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow Cutlery must therefore be placed in designated baskets before the second wash, the baskets above are placed in the blue basket...
WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow 4.2 Washing DIN 10510 is a German standard which describes how the washing process must work in a tunnel dishwasher in order to ensure good washing results. Amongst other things, it recommends that the contact time should be around 120 seconds for normally soiled loads.
WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow 4.2.1 Selecting the contact time/wash time When the machine's feed has started, it is indicated on the display that the ma- chine is ready to wash and specifying a contact time in seconds. The contact time is the total period during which the load is washed while being transported through the various washing zones.
WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow 4.2.3 Cancelling washing Baskets which remain in the machine when no new baskets are being fed in are automatically unloaded after a few minutes. The remaining baskets can also be unloaded manually by pressing button (c). It is possible to interrupt the wash by pressing Start/Stop (a) on the touch panel.
WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow 4.2.6 Changing the water To achieve the best possible washing results, it is important that the water is changed frequently. However, always change the water in the event of foam prob- lems in the tank.
WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow 4.2.7 Checking the wash result The dishware should be checked after each wash for: PROBLEM CAUSES & MEASURES Starch spots • Scraping: Important to remove as much food particles as possible before washing.
WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow 4.3 After use – Cleaning HACCP is a preventive inspection system to ensure hygiene requirements are met during the washing process and cleaning of the machine. As a result of its design, the machine meets strict hygiene requirements.
WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow 4.3.2 Emptying and daily cleaning A guide to emptying and cleaning is also displayed on the panel when the relevant function has been selected. Machines with manual emptying and manual cleaning •...
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WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow Machines with manual emptying and automatic cleaning The outer curtains should remain in the machine while the machine is being emp- tied and cleaned. • Open the machine doors. • Unhook the curtains. N.B.! Leave the outermost curtains on both the infeed and outfeed side.
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WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow Cleaning the filter The final rinse tank (12) must be empty when cleaning the filter. The tank must be emptied in connection with daily cleaning. • Unscrew the cover (C) and remove the filter (B). Rinse the filter and cover. •...
WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow 4.3.3 Cleaning and checking each week or as required Once the daily cleaning is complete, you have the option of proceeding to the weekly cleaning and can also follow the instructions on the touch panel for this. Weekly cleaning should be more thorough than daily cleaning.
WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow 4.3.4 Cleaning in the event of an alarm or 1 time / year The machine's heat recovery unit (D) must be cleaned at least once a year or when an alarm with a message about cleaning the battery appears on the touch panel.
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WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow N.B.! When cleaning the heat recovery unit and the base of the battery box, do not use more water than the drain (E) under the battery can remove from the ma- chine.
WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow 4.3.5 Operating problems Check: • Has the appliance been used according to the instructions? • Are all the removable parts in their correct place? • Is the main switch in the ON position? •...
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WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow PROBLEM CAUSE ACTION The machine does not fill with The incoming water stopcock is Open the tap. water. closed. The door/hood is open. Close the door/hood. The final rinse pipe nozzles are Clean the wash nozzles.
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WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow All errors displayed on the touch panel have an error code, which is displayed in the alarm. This error code must be specified when contacting service personnel. Call the service company and state the following: •...
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WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow Error alarms (yellow) An error alarm is generated, e.g. because of a low temperature in one of the tanks. Type of alarm and minimise / maximise Error code Symbol for type of alarm Descriptive text Continue to next screen Reset alarm...
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WD-153 - WD-423 Rev. 00 (202310) Operating instructions optiflow Critical error alarms (red) A critical error alarm is generated because a serious error has occurred. The ma- jority of these alarms cannot be reset by the operator, and service personnel must be contacted.