User Manual
Contents
1. Only the letters A B F H L are present in models with one wash cycle and with drain pump WASH CYCLES Short cycle 120 seconds it corresponds to a 100 second wash cycle with hot water and detergent a pause of 4 seconds and a 16 second rinse cycle with hot water and shining product Short cycle 60 seconds it corresponds to a 40 sec ond wash cycle with hot water and detergent a pause of 4 seconds and a 16 second rinse cycle with hot water and shining product Long cycle 300 seconds for dirty dishes it corre sponds to a 280 second wash cycle with hot water and detergent a 4 second pause and a 16 second rinse cycle with hot water and shining product e In models with two wash cycles cycle selection occurs with button G pressed for the 300 second cycle and off for the 120 second cycle e In models with single wash cycle 120 sec or 60 sec cycle selection occurs with button I e To stop the wash cycle just open the door e To continue washing close the door and the cycle will resume from where it was stopped SWITCHING ON e Open the water inlet valve e Activate the main switch e Open the door and check that all the components are in their correct position e Close the door and ignite the appliance by pressing switch B The lighting up of the indicator lamp A shows that the dishwasher is live and that the water loading and heating cycle has started e Lighting up of the indicator l2. On models with a drainage pump and two wash cycles a supplementary level control device will inter vene if the main level control device is faulty INSTRUCTIONS FOR THE USER The appliance must be used exclusively for the purpose for which it has been made this means for washing dishes using water and specific non corrosive detergents Any other use is therefore to be considered improper Water softner A fig 5 if provided The softner removes the calcareous substances from the feed water supplying decalcified water necessary for the washing For the correct operation of the softner the peri odical regeneration of the resins whose frequence depends on the number of washing cycles and water hardness must be carried out The regeneration of the resins is carried out by means of a special regeneration cycle with coarse salt or specific products for softners following the instructions described in chapter Regeneration cycle Suggestions e Carry out a couple of wash cycles without dishes to clean the basin and piping of any protective or indus trial grease which has remained e Avoid washing decorated crockery Do not allow silverware to come into contact with other metals Do not allow food residue to dry on the dishes e Remove large food scraps from the dishes in order to prevent the filters from clogging e Prewash the dishes by spraying them with cold or lukewarm water e Use the quantity and type of de
3. Tank heating elements kW 0 8 Water supply pressure kPa 180 300 Water supply temperature C 15 20 C 65 e Water supply hardness without softner F 15 max with softner F 34 max Water consumption per rinse cycle at 180 kPa 2 3 Boiler capacity l 4 7 Tank capacity l Standard cycle time with water supplied at sec 120 300 15 20 C sec 120 Standard cycle time with water supplied at 65 C sec 60 Max hot water pressure inside the appliance kPa 600 Max hot water temperature inside the appliance C 82 Power supply cable HO7RN F Power cable cross section in mm e Singlephase version 230 V 1N 3x 1 5 e Threephase version 400 V 3N 5x 1 5 e Threephase version 230 V 3 4x2 5 Maximum current leakage mA kW 1 Noise level dB A lt 70 Net weight version h 635 mm Kg 40 Net weight version h 715 mm Kg 46 Degree of protection IPX 4 Models with a single wash cycle Only for NGWDPDD Only for NGWGMS 6 Radio interference This appliance conforms to the E E C guideline 87 308 relating to radio interference sup pression Legend fig 1a 1b Water inlet pipe with 3 4 F pipe fitting Power supply cable Drainage pipe 18 mm int if with pump Drainage pipe 40 mm int if without pump Equipotential screw earthbonding moov Positioning e Place and connect the appliance referring to the instal lation drawing e Bring the appliance level by rotating the adjustable feets
4. and therefore strictly forbidden RESID DESCRIPTION OF HAZARDOUS SITU UAL RISK ATION Slipping or The operator can slip due to water or dirt falling on the floor Burns The operator deliberately or unintention ally touches some components inside the machine or dishes at the outfeed without using gloves or without allowing them to cool Possible contact with water above 60 C 140 F Electrocu Contact with live parts during mainte tion nance operations carried out with the electrical panel powered Falling The operator intervenes on the machine from above using unsuitable systems to access the upper part e g rung ladders or climbs on it Tipping of During maintenance on the machine or loads the packing containing the machine with the use of unsuitable accessories or lift ing systems or with load unbalanced Chemical Contact with chemical substances e g detergent rinse aid scale remover etc without taking adequate safety precau tions Therefore always refer to the safety cards and labels on the products used ENGLISH TROUBLESHOOTING DISHWASHER DOES NOT WASH WELL 1 2 Check if the suction filter is dirty and clean it thoroughly Check if the wash jets are clog ged by solid food remains Check that the initial amount of detergent or subsequent addi tions are correct The selected wash cycle is too short Repeat the cycle Check
5. mains supply The earth wire of the power supply cable must be con nected to earth The appliance must be included in a correctly dimensioned equipotential system The con nection should be carried out using the screw E fig 1a 1b marked with the symbol E The equipotential wire must have a section of at least 10 mm For the eventual conversion from 400V 3N to 230V 3 proceed as follows Add the endowed jumper B fig 2 between the bind ing posts L1 and N of the connection terminal block placed behind the machine Replace the power supply cable with a 4 x 2 5 mm type HO7RN F Change the connection of the boiler heating element as shown in the electrical wiring diagram e The appliance must be connected to the mains through a suitable general circuit breaker which must leave a gap of at least 3 mm between its contacts and have the current carrying capacity as indicated in the following table Max power Power supply Current carrying consumption voltage capacity 4 8 kw 230 V 1N 25 A 1P N 4 8 kw 400 V 3N 16 A 3P N 4 8 kw 230 V 3 16 A 3P The chosen device must be lockable in the open posi tion in case of maintenance The manufacturer accepts no liability for situations arising from failure to comply with the safety rules Detergent dispenser adjustment if provided in the machine To vary the dose adjust T the screw L fig 4 as required The adjustment of the amou
6. salt depos its before closing the cap Remove the salt from the basin if it overflows the container e To activate the function insert the regeneration switch E with dishwasher live The indicator lamp D lights on during the cycle and the other functions cannot operated e The indicator lamp D lights off indicating the end of the regene ration cycle switch off the dishwasher dis activating switch B and disactivate successively switch E e Upon completion of cleaning operations replace the parts removed previously The dishwasher is now ready to start the normal working functions Table 1 WATER HARDNESS in F REGENERATION FREQUENCE in Nr of cycles F Nr F Nr F Nr F Nr 10 150 17 74 24 53 31 32 11 138 18 71 25 50 32 29 12 126 19 68 26 47 33 26 13 114 20 65 27 44 34 23 14 102 21 62 28 41 i 15 90 22 59 29 38 16 77 23 56 30 35 If the hardness should exceed 34 F it is advisable to install a machine without incorporated softner and to install a separated softner MAINTENANCE fig 4 Before carrying out any maintenance operations turn off the power at the mains except in versions with drain pump Daily operations e Cleaning the water jets Open the door and remove the water jets C and E by removing the lock nut F Carefully clean the washing and rinse jets and clean everything with hot water and neutral detergent detersive if necess
7. Connection to the water supply e Connect the appliance water pipe A fig 1a 1b to the mains supply installing a valve pressure gauge filter supplied and a double non return valve B supplied in between as shown in fig 10 e Make sure to tighten all the parts CAUTION If the appliance is replaced use the new feed pipe sup plied CAUTION In case of water pipe replacement make sure the non return valve B fig 10 and the filter supplied are cor rectly fitted as shown in fig 10 e Check that the dynamic water supply pressure measured between the appliance and the mains has a rating of between 180 to 300 kPa during the rinse cycle on units that are not provided with an electric pump available as an accessory should be fitted into the hidraulyc circuit in case the pressure rating is below than required e On freefall drainage models connect the appliance drainage outlet D fig 1a 1b to the drainage system either by using a syphon or by placing the appliance over a drainage syphon well into the pavement e On models with a drainage pump position the drain age pipe C fig 1a 1b at a height of between 750 and 1000 mm from the pavement e Check that about 2 3 litres of water flow out of the drainage pipe during the rinse cycle ELECTRIC CONNECTION e Before carrying out the electrical connection make sure that the voltage and frequency rated on the appli ance data plate conforms to those of the
8. EN GENERAL INSTRUCTIONS 1 Read carefully the contents of this manual as it con tains important safety information regarding the instal lation use and maintenance of the appliance Keep this manual in a safe place for the eventual use by other operators 2 The installation of this appliance must be carried out by qualified persons in accordance with the manufacturer s instructions 3 This appliance should only be used by persons specif ically trained in its operation 4 Switch off the appliance in the case of failure or irregu lar running Have the appliance repaired by a technically qualified per son authorized by the manufacturer and using original spare parts If the above is not respected the safety of the appliance could be jeopardized INSTRUCTIONS FOR THE INSTALLER The installation of this appliance must be carried out according to the standards and regulations in force Data plate The data plate is located on the right hand side panel of the appliance CAUTION This machine must be installed in accordance with AS NZS 3500 1 including the installation of a non integral backflow prevention device TECHNICAL DATA Singlephase version Power supply voltage V 230 1N Maximum power input kW 3 3 kW 2 3 Boiler heating elements kW 3 0 kW 2 0 Threephase version Power supply voltage V 400 3N convertible to V 230 3 Maximum power input kW 4 8 Boiler heating elements kW 4 5 Frequency Hz 50 or 60
9. amp L signals that the tank and boiler have reached the optimum tempera ture tank 50 C and boiler 82 C Open the door and pour the required amount of detergent into the basin e Insert the basket containing the dirty dishes and close the door e Select the duration of the cycle by means of switch G inserted for a 300 seconds cycle or disconnected for a 120 seconds cycle Should the dishwasher be provided with the cold rinse setting insert switch C for the washing of glasses which have to be used cold directly In model NGW GMS the cold rinse function occurs by holding down push button C e Start the cycle by pressing the start push button The dishwasher starts automatically the wash cycle with a 3 second delay and the indicator lamp H lights up e The indicator lamp H will go off when the cycle is complete open the door and slide out the basket with the clean dishes CAUTION Change the water in the basin some times a day as soon as necessary At the end of the working day e Open the door and slide out the basket with clean dishes e Turn off the dishwasher disconnecting switch B e Disconnect the main switch placed upstream from the appliance e Close the water inlet valve e Remove the overflow pipe A fig 4 For models with drainage pump e Open the door and slide out the basket with clean dishes e Remove the overflow pipe and re close the door e In models with two wash c
10. ary using a soft brush or sponge Do not use sharp implements to clean the nozzle holes which could otherwise be damaged e Cleaning the basin Remove the overflow pipe A to drain off the water from the basin for models with drainage pump remove the overflow pipe A insert the drainage switch F press the start push button I and wait untill the drainage is complete before switching off the dishwasher Remove filter H and I and clean them in the wash basin i e using a nylon brush under a water spray Clean the basin by pouring some water in order to let the deposits flow out from the drain Upon completion of cleaning operations replace the parts removed previously The dishwasher is now ready to start the normal working functions e Cleaning the external surfaces Clean the stainless steel surfaces using lukewarm water and a neutral soap rinse with a damp cloth and dry carefully never use detergents containing scraping agents common wire wool or other such materials Clean the control panel using a soft damp cloth and a neutral detergent if required e Do not wash the external parts of the machine using direct or high pressure water jets e Leave the door open when not using the appliance for a longer period e Periodically have the appliance totally checked at least once a year For this purpose it is recommended to draw up a maintenance contract CAUTION Descale the rinse jets each month usin
11. dispensers paragraph THE WASH OR RINSE ARMS TURN SLOWLY Remove and thoroughly clean the arms Clean the wash pump suction fil ter 10
12. g vinegar or a des caling agent Operations to be carried out by a qualified technician e Clean the water filter and the solenoid valve protection filter P at least twice a year fig 11 e Descale the boiler the internal surfaces of the basin and the hydraulic piping once or twice a year e Whenever the appliance is not going to be used for long periods spread a thin film of vaseline oil over the stainless steel surfaces drain off the water in the elec tric pump e The tube inside the peristaltic detergent dispenser if present in the machine must undergo periodical maintenance once or twice a year e Disconnect the machine power supply RESIDUAL RISKS The machine has several risks that were not completely eliminated from a design standpoint or with the installation of adequate protection devices Nevertheless through this manual the Manufacturer has taken steps to inform operators of such risks carefully indi cating the personal protection equipment to be used by them Sufficient spaces are provided for during the machine installation phases in order to limit these risks To preserve these conditions the corridors and areas around the machine must always be e kept free of obstacles e g ladders tools containers boxes etc e clean and dry e well lit For the Customer s complete information the residual risks remaining on the machine are given below such actions are to be considered incorrect
13. nt of detergent delivered by the pump must carefully comply with that indicated by the detergent producer This quantity is usually expressed in g l and various depending on the water hardness Setting the automatic rinse aid dispenser Adjust the screw D fig 4 to set the required dose To check the efficiency of the rinse aid look at a freshly washed glass Drops of water on the glass indicate an insufficient dosage while streaks indicate an excessive dosage which can either be caused by the density or the quantity Changing the detergent rinse aid type If changing to a different detergent rinse aid type even one by the same manufacturer you must rinse the suc tion and pressure hoses with fresh water before connect ing the new detergent rinse aid container Otherwise the mixing of different types of detergent rinse aid will cause crystallisation which may result in a breakdown of the dosing pump Failure to observe this condition will invali date the guarantee and product liability Safety devices e An automatically resetting thermoamperometric pro tection incorporated into the winding of the electric pump cuts off the power supply in case of anomalies or malfunctioning e A safety thermostat which must be reset manually cuts off the power supply to the boiler heating ele ments in case of over heating e An overflow pipe connected to the drainage outlet maintains the water in the tank at a constant level e
14. tergent specified by the detergent manufacturers Adding the detergent Pour a non foam making detergent into the basin when the water has reached the right washing temperature Loading the baskets fig 6 8 e Place cups and glasses of different dimensions up side down in the supplied basket using ev the special cut lery container fig 6 a b Some cup washer models have a wire basket for glas ses with inclined bottom The glasses must be placed upside down fig 8a e For dishwashers with a 715 mm height the special plates basket where 16 plates with a max diameter of 190 mm or 8 plates with a max diameter of 240 mm can be placed fig 7 is available on request Note Baskets for washing dishes which have non standard shapes and dimensions are available on request Control panel legend fig 9 Indicator lamp lights up when the appliance is live Ignition switch of the appliance ON OFF Cold rinsing push button switch Indicator lamp lights up when the regeneration cycle is in progress Softner regeneration switch Basin drainage switch button Switch to select the wash cycle duration Indicator lamp lights up when the wash cycle is in progress Start cycle push button 0QNW gt IOT Mm I ENGLISH L Indicator lamp lights up when the water has reached the right temperature Only the letters A B H I L are present in models with one wash cycle and without drain pump
15. that the tank temperature is between 55 C and 65 C Check that the dishes are sta cked correctly in the racks GLASSES AND DISHES ARE NOT DRIED PROPERLY Check the instructions for the amount of rinse aid see setting the dispensers paragraph Check that there is rinse aid in the container and if necessary top up Check the set amount of rinse aid see setting the dispensers paragraph Check that the water tempera ture is between 80 C and 90 C CONDENSATION ON GLASSES Check that there is rinse aid in the container and if necessary top up Check the set amount of rinse aid see setting the dispensers paragraph Remove the rack of glasses immediately the has ended cycle STAINS ON THE GLASSES Only use non foaming products for professional dishwashers EXCESSIVE FOAM IN THE TANK Check that the wash water tem perature is not less than 50 C Check if the amount of product dispensed by the detergent dispenser is excessive see set ting the dispensers paragraph Ensure that the tank has not been cleaned with unsuitable cleaners Drain the tank and rinse thoroughly before new wash cycles If a foaming detergent has been used drain and refill the tank with water until the foam disap pears SMEARS OR SPOTS ON THE GLASSES Reduce the amount of rinse aid see setting the
16. ycles insert switch F and press push button I indicator lamp H will light up and the dishwasher will drain the water from the basin activating the drainage pump for about 120 seconds The indicator lamp H will go off when the drainage function has finished In model NGWGMS insert switch F and press push button I indicator lamp H will light up and the dish washer will drain the water from the basin activating the drainage pump for about 60 seconds The indicator lamp H will go off when the drainage function has fin ished e In models with one wash cycle keep button F pressed until the tank is completely empty e Turn off the dishwasher disactivating switch B Regeneration cycle for models with softner The regeneration cycle of the resins of the softner lasts for 20 minutes 18 minutes of regeneration and 2 minutes of rinsing The frequence of the cycle depends on the number of wash cycles and the feed water hardness as described in the table 1 CAUTION The relevant water supply company will be able to provide all the instructions regarding the water hardness e Open the door remove the basket and the overflow pipe and drain the water Open the salt container B fig 4 by unscrewing the cap Fill it with salt for softners or coarse salt up to 2 3 cm from the upper edge make shure the container is filled with water before pouring any salt inside e Clean the thread of the container from any
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