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Table of Contents
Related Manuals for Smeg CWG420D
Summary of Contents for Smeg CWG420D
- Page 1 PROFESSIONAL DISHWASHER...
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Page 2: Table Of Contents
CONTENTS PRECAUTIONS FOR SAFETY AND USE ..4 TECHNICAL DATA ...6 INSTALLATION AND POSITIONING ...8 INSTRUCTIONS FOR TECHNICAL STAFF ...9 Plumbing hookup ..9 Electrical connection .. 10 FIRST START‐UP .. 12 Rinse aid dispensing setting (on models with diaphragm pump with manual setting only) ... 13 Using the water softener (on models with this feature only) .. 14 SET‐UP .. 15 Dishwasher parameter modification procedure: .. 15 ... - Page 3 Selecting the “sanitisation” function (only available in P3) ... 28 MAINTENANCE AND CLEANING ... 30 11.1 Daily cleaning .. 30 11.2 Routine inspection of the spray arms ... 31 11.3 Lengthy periods out of use ... 31 TROUBLESHOOTING .. 32 MALFUNCTIONS SHOWN ON THE DISPLAY (FOR THE USER) ... 33 SMEG thanks you for choosing one of its products. ‐ CW 420/430 3 ...
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Page 4: Precautions For Safety And Use
Read all the instructions in this manual carefully to become familiar with the right conditions for the TECHNICAL INSTRUCTIONS These are intended for the qualified staff who are to install, commission and test the appliance and carry out any servicing and repairs. INSTRUCTIONS FOR THE USER These provide recommendations for use, a description of the controls and the correct procedures for cleaning and maintaining the dishwasher. 1 PRECAUTIONS FOR SAFETY AND USE THIS MANUAL IS AN INTEGRAL PART OF THE DISHWASHER AND MUST ALWAYS BE POSITIONING, HOOKUP, COMMISSIONING, TROUBLESHOOTING AND REPLACING THE POWER CABLE MUST ALWAYS BE CARRIED OUT BY QUALIFIED STAFF. THE APPLIANCE MUST BE GROUNDED AS REQUIRED BY ELECTRICAL EQUIPMENT THE DISHWASHER IS INTENDED FOR PROFESSIONAL USE ONLY AND MUST ONLY BE USED BY AUTHORISED ... - Page 5 THIS APPLIANCE IS TAGGED UNDER EUROPEAN DIRECTIVE 2002/96/EC ON WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT (WEE). BY MAKING SURE THAT THIS PRODUCT IS DISPOSED OF CORRECTLY THE USER HELPS TO PREVENT POTENTIAL DETRIMENTAL EFFECTS ON HEALTH AND THE ENVIRONMENT. WHEN DECOMMISSIONING THE APPLIANCE COMPLY WITH THE LOCAL WASTE DISPOSAL REGULATIONS. FOR FURTHER INFORMATION ON THE TREATMENT, RECOVERY AND RECYCLING OF THIS PRODUCT, CONTACT ...
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Page 6: Technical Data
2 TECHNICAL DATA Supply voltage Convertible to single‐phase version Frequency Max. power absorption at 400V 3N ~ element) Max. power absorption at 230V 1N ~ element) Max. power absorption at 230V 1N ~ element) Boiler heating element power at 400V 3N ~ heating element) Boiler heating element power at 230V 1N ~ heating element) Tank heating element power Water intake pressure Water intake temperature Water hardness on models with softener <60°f) Rinse cycle water consumption Boiler capacity Tank capacity Durée cycle standard avec alimentation d’eau à 50°C Noise level Degree of protection Net weight Power supply cable type Fuse ... - Page 7 ‐ CW 420/430 CAVITY DIMENSIONS FOR BUILT‐UNDER INSTALLATION APPLIANCE DIMENSIONS AND CONNECTION POSITIONS (**N.B. – VALUE “1000” WITH ASTERISK: max 600 if siphon with valve is used) 7 ...
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Page 8: Installation And Positioning
KEY TO LETTERS USED IN DIAGRAM R LOWER BACK PANEL C FILLER HOSE Q EARTH TERMINAL E ELECTRICITY SUPPLY CABLE P PERISTALTIC HOSES S DRAIN HOSE 3 INSTALLATION AND POSITIONING INSTALLATION and POSITIONING Bring the dishwasher to the installation site, remove the packaging and check the appliance and components for damage; any damage found must be reported to the transporter in writing. ... -
Page 9: Instructions For Technical Staff
POSITIONING: Caution: the indoor system and premises in which equipment for institutions is installed must comply with the relevant regulations. The manufacturer declines all liability for direct or indirect injury or damage deriving from failure to comply with these regulations. Before installation, check that there are no objects or materials in the vicinity which may be damaged by steam or splashes of washing solution, or that any such items are suitably protected. Place the dishwasher in the chosen point and remove the protective film. Level the dishwasher (with the aid of a spirit level) on its adjustable feet to ensure that it is stable; all other mounting solutions must be approved by the manufacturer. 4 INSTRUCTIONS FOR TECHNICAL STAFF 4.1 Plumbing hookup Water supply and drain hookup The water pipelines and electricity supply cable lead out of the bottom right‐... -
Page 10: Electrical Connection
4.2 Electrical connection The dishwasher and any additional equipment must be connected to the electrical system by authorised, skilled staff, in accordance with the relevant regulations; also comply with the technical instructions for the connection. The total rated power is stated on the appliance’s technical data plate. The electrical protection devices fitted for the dishwasher must serve this appliance only. ... - Page 11 ‐ CW 420/430 Figure 1 – Appliance electrical system diagram 11 ...
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Page 12: First Start-Up
5 FIRST START-UP First start‐up The electrical protection system must undergo a functional test before the appliance is put into operation. The appliance must be installed and/or inspected by qualified staff, who will start it up for the first time and provide the relevant operating instructions. Preparing for use (important) The rinse aid dispenser is fitted on all models, the detergent dispenser only on some. If both dispensers are present put the external detergent and rinse aid containers in place and insert the respective intake hoses on the rear of the appliance into them. ... -
Page 13: Rinse Aid Dispensing Setting
5.1 Rinse aid dispensing setting only) Note: If peristaltic rinse aid pump is installed see point 6.6 RB Rinse aid dispensing regulator screw RV Inspection panel removal screw ‐ CW 420/430 (on models with diaphragm pump with manual setting RB: Rinse aid dispensing regulator screw Adjustments are made using the adjuster screw AS SHOWN. The quantity dispensed is reduced by turning clockwise and increased by turning anticlockwise. 13 ... -
Page 14: Using The Water Softener (On Models With This Feature Only)
5.2 Using the water softener (on models with this feature only) The quantity of lime in the water (which indicates its hardness) causes whitish marks on dry dishes and dishes also tend to lose their shine over time. The dishwasher is equipped with an automatic water softener which removes the substances that cause hardness from the water with the aid of regenerating salt. The first time the dishwasher is used, a litre of water must be poured into the tank with the salt. Whenever the tank is filled, always take care to ensure that the cap is firmly closed. ... -
Page 15: Set-Up
6 SET-UP Set‐up During first start‐up, the functions/parameters listed below must be set or adjusted: 6.1 Dishwasher parameter modification procedure: Only accessible after filling is complete or with the door open. Indicator lights showing: off; green; orange; Access “programming mode” by pressing the button for a few seconds with the appliance on with the door open and the tank empty (after the filling and heating phases). The display shows UnLo 1:58; when the beep sounds, release ... - Page 16 ‐ CW 420/430 Quantity of rinse aid dispensed (if featured), the number indicates the seconds of peristaltic pump operation) Start‐on/start‐off Set at “on” to start the cycle when the door is closed. Set at “off” for cycle start after confirmation with the start button Water hardness setting (if featured), on models with softener only tStP on/off “on” = minimum rinsing temperature as set, regardless of intake water temperature. ...
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Page 17: Quit " Set-Up " Menu
Energy consumption (kW) display The Pc option indicates the total kW consumed since installation of the dishwasher or since the latest reset. Display of the number of cycles performed When scrolling through the appliance parameters, the “tc 88888” item will also appear; this is the count of the total cycles performed by the dishwasher since installation. This parameter cannot be modified or reset unless the software is reprogrammed. This submenu and the relative functions can only be accessed ... -
Page 18: Washing Temperature Setup
6.4 Washing temperature setup Indicator lights showing: off; green; orange; 6.5 Detergent dispensing setup * default value (factory preset) 6.6 Rinse aid dispensing setup * default value (factory preset) ‐ CW 420/430 Modify the value of the parameter by pressing . (Default value: 62 °C) Min. 52°C – max. 62°C flashing. (if featured) Modify the value of the parameter by pressing . ... -
Page 19: Autostart Function
6.7 Autostart function Set at “on” to start the cycle when the door is closed. Set at “off” for cycle start after confirmation with the start button 6.8 Regeneration frequency setup (models with softener) (Default value: H03; modify the parameter to suit the mains water hardness. At first use, the salt tank has to be filled. It is subsequently sufficient simply to fill up with regenerating salt when necessary. Regeneration cycle duration: 12 minutes With values over 60°dF an external water treatment device must be used and the regeneration frequency must be set on H00. ... -
Page 20: Energy Consumption - Display And Reset If Required
If the termostop device is set “off” the rinsing is no longer monitored and the user is responsible for ensuring that the minimum correct T° are maintained for the tank and boiler. It is particularly important to Also refer to the insufficient washing/drying / foam in tank point of the “troubleshooting” section: restore T Stop ON and/or connect the appliance to a hot water supply 6.10 Rinse aid pump (display and if required reset during maintenance) (if featured) ... -
Page 21: Starting The Peristaltic Pumps - Rapid Filling Of Detergent And Rinse Aid Delivery
6.14 Starting the peristaltic pumps – rapid filling of detergent and rinse aid delivery circuit. (if featured) Perform after the parameter modification procedure explained in the previous point. Indicator lights showing: off; green; orange; With the dishwasher powered up, access “programming mode” by pressing the on/off button for a few seconds; at the “beep”, release the button and press it again quickly within 0.5 seconds. The peristaltic pump operates until the same button is pressed again; the detergent or rinse aid symbol is lit up as ... - Page 22 Err09 Too much water in tank Err23 Boiler does not heat up as expected Err24 Boiler temperature probe malfunction Err25 Boiler water filling malfunction Err26 Boiler emptying malfunction Err27 Boiler emptying malfunction – with Boiler pressure switch has failed (continuous full ‐ CW 420/430 If it persists, check in this order: ‐ with tank empty: constant “tank full” signal: tank pressure switch faulty or leak from connections of air trap connection pipe (water entering pipe) ‐ with tank full: drain pump failure With tank full: ...
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Page 23: Instructions For The User
tank full Boiler heating Err28 (overheating) 8 INSTRUCTIONS FOR THE USER 8.1 Control panel On‐off button Program selection button Start CONFIRM/PAUSE button Total emptying button (tank and boiler) Additional function selection button L1 Mains power on light L2 Intake/standby cycle in progress light (red/green) L3 Pump‐out in progress light No rinse‐aid symbol (if a system for monitoring outside the dishwasher is provided) ... -
Page 24: Before Washing
8.2 Before washing Use only detergents and rinse aids for industrial dishwashers. Do not use detergents intended for hand washing. We recommend the use of Smeg products, specially developed for this dishwasher. When topping up the tanks, take care not to swap the products; this might damage the dishwasher and cause malfunctions. Do not mix different detergents; this would damage the dispenser device. Industrial dishwasher detergents may cause serious irritation. Comply carefully with the instructions provided by the detergent producer on the pack. Turn on the The level of mains water detergent and tap (user) rinse aid in the containers. ... - Page 25 When the door is closed again, the system offers the last program run. ‐ CW 420/430 Wait for P1 to appear and LED L1 to change from red to green; the tank heating element light comes on until the set temperature is reached. The duration of this stage may vary depending on the mains water temperature and on the single‐phase connection. Press the button quickly to display the tank (left) and ...
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Page 26: Changing The Program
8.4 Changing the Program N.B.: During heating of the water in the boiler and tank with the cycle running, the tank heating element and boiler heating element symbols may appear on the display. Filter presence sensor (on some models only) The filter is fitted with a sensor which checks that it is properly fitted; if it is not in the correct position, the word “FiLter” appears on the display. 9 CHOOSING THE PROGRAM PROGRAM P1 Glasses P2 Glasses, cups and plates with light dirt P3 Very dirty dishes and cutlery (*) The cycle duration stated above refers to three‐phase appliances supplied with hot water at >50°C ... -
Page 27: Supplementary Functions
10 SUPPLEMENTARY FUNCTIONS Indicator lights showing: off; green; orange; To select a supplementary function, when the program required is shown on the display (P1, P2, P3 or P4) press the button. Only one supplementary function can be selected for each program. 10.1 Selecting the crys“glassware” function (available in P1‐P2) Reduces the program’s rinsing temperature and duration After selecting the "Crys” function, perform a cycle with the appliance empty to stabilise the boiler temperature 10.2 Selecting the “extra rinse” function (available in P1‐P2‐P3‐P4) Extends the duration of the rinse During performance of cycles with Extra Rinse, the cycle duration increases by about 30" because of the increased duration of the rinsing phase and the time consequently required to restore the level and temperature in the boiler. If the Termostop is OFF and the dishwasher is connected to cold water, this ... -
Page 28: Selecting The "Sanitisation" Function (Only Available In P3)
10.3 Selecting the “sanitisation” function (only available in P3) Increases the program’s washing and rinsing temperatures and duration N.B.: ‐ the supplementary function remains selected until the program is changed or the dishwasher is switched off by pressing the ‐ During execution of the selected program, the display alternates between showing the supplementary function and the duration. LOADING THE DISHES Plates The basket is able to take 8 plates. Remove solid residues (bones, fruit peel, stones, etc.) and first soak plates with dried residues of cheese, egg, etc. in water. ... - Page 29 After a total pump‐out the filters should be cleaned as described above. Never switch the dishwasher off with water in the tank; always pump out first. TOTAL PUMP‐OUT AT THE END OF THE DAY + RESIN REGENERATION (for models with water softener) From time to time, on models with water softener, before the total pump‐out at the end of the day the user will automatically be reminded to carry out the resin regeneration cycle, required after a number of washes which depends on the hardness of the water (about 30 for average setting H03). In this case the sequence will be as follows: Topping up with regenerating salt (for models with water softener) Salt must be added when the “no salt” light ( Top up with salt when there is no water in the tank to prevent washing water from getting into the water softener device. Caution: use only salt of the specific type, do not use cooking salt. ...
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Page 30: Maintenance And Cleaning
The salt tank is in the bottom of the appliance's tank. After removing the basket, undo the cap and pour the salt in using the funnel supplied. Remove any salt residues around the opening before screwing the cap back on. 11 MAINTENANCE AND CLEANING Although no particular scheduled maintenance is required, users are advised to have the dishwasher checked by a specialist technician twice a year. N.B. the manufacturer accepts no liability for wilful damage or damage deriving from carelessness, neglect, failure to comply with instructions, regulations and standards or incorrect connections. 11.1 Daily cleaning The dishwasher has IPX4 protection, but the use of direct water jets for cleaning is forbidden. ... -
Page 31: Routine Inspection Of The Spray Arms
Remove the filters (simply lift them out as shown here), taking care that no large residues fall into the sump underneath. Clean them to remove residues and rinse with plenty of water, then put them correctly back in place; do not use sharp or pointed tools. Clean away any limescale deposits to prevent excessive build‐ups; ‐ If possible, leave the door ajar when not in use; ‐ Clean surfaces thoroughly and often with a damp cloth; ... -
Page 32: Troubleshooting
TROUBLESHOOTING If the system fails to pump out because the drain pump is fouled (as a result of incorrect filter positioning), proceed as follows: Bale out the dishwasher with a basin and disconnect it from the electrical mains. Unscrew the screw A, release the tang B and lift it. Check ... -
Page 33: Malfunctions Shown On The Display (For The User)
INADEQUATE RINSING DISHES NOT PROPERLY DRIED STAINS ON GLASSES AND CUTLERY WATER IN TANK AFTER PUMP‐ OUT MALFUNCTIONS SHOWN ON THE DISPLAY (FOR THE USER) The dishwasher is able to identify a number of malfunctions and show them on the display. If the problem persists after the dishwasher has been switched off and back on, proceed as described below: (TO ALLOW THE AFTER‐SALES SERVICE TO TAKE THE APPROPRIATE ACTION, ALWAYS MAKE A NOTE OF THE ERROR INDICATED) Err04 Tank temperature probe malfunction Err05 Tank water filling malfunction ‐ CW 420/430 Limescale in boiler Rinse aid unsuitable or not being delivered correctly. Rinsing temperature too low Rinse aid unsuitable or not being delivered correctly. Water hardness above 12°f or large amounts of dissolved salts Drain hose incorrectly positioned or partially obstructed. ... - Page 34 Water pump‐out malfunction Err06 (dishwasher is left full of water) Err09 Tank water level too high Boiler heating malfunction (does not Err23 heat up) Err24 Boiler temperature probe malfunction Err25 Boiler water filling malfunction Err26 Boiler emptying malfunction Boiler emptying malfunction – with tank Err27 full Boiler heating malfunction Err28 (overheating) ‐ CW 420/430 Inspect the filters for dirt and check that the drain hose is not blocked, bent or crushed. Check that the drain pump is not blocked by dirt; proceed as described in point “11.2 Routine inspection”. If the problem persists, contact the After‐Sales Service. Contact the After‐Sales Service. Contact the After‐Sales Service. Contact the After‐Sales Service. Check that the water intake tap is on and the dynamic pressure in intake system, inspect water intake filter and clean if necessary. If the problem persists, contact the After‐Sales Service. Check that the rinsing spray arm nozzles are not ...
- Page 35 INFORMATION AND AFTER‐SALES SERVICE FOR SMEG PRODUCTS Our Sales Department staff will be able to provide you with information about prices and special offers. Our After‐Sales Department will be able to provide you with guidance about keeping your appliance functioning correctly and put you in touch with your nearest authorised Service Centre. * Maximum cost 14,26 cent./min. including VAT with no charge on answer from landline. Maximum cost 48 cent./min. including VAT with maximum charge on answer of 15.49 cents including For further details of costs of calls from cell phones contact your operator. Our whole product offering can be viewed at: International customers, please contact your local SMEG distributor. Via Leonardo da Vinci, 4 ‐ 42016 Guastalla (Reggio Emilia) ‐ CW 420/430 COMMERCIAL DISHWASHERS VAT from cell phone. www.smeg‐ristorazione.com Smeg S.p.A. Tel. +39 0522 8211 ‐ Fax + 39 0522 821453 email ristorazione@smeg.it 19.390.2672.00 01/09/2011 Manual Ed. 35 Date ...