SERVICE MANUAL “KORINTO” - Expert-CM
Contents
1. 2 Variable chamber version which permits brewing with variable coffee doses model being examined A heating system optional has been designed for all versions for the purpose of increasing the temperature of the first coffee A specific brewer unit for filtered coffee SI GMA BREWER is used in the FB version For further details on the functional units refer to the specific H amp C functional unit manuals BREWER UNITS The Espresso brewer unit uses coffee that is ground on the spot by the grinder and doser unit specifically designed for this model and that also uses a particular method of metering the ground coffee dose The FB unit uses specific coffee already ground to an optimum grade for quick and adequate brewing DETAIL OF TUBE CONNECTIONS ADJ USTMENT OF BREWING CHAMBER AND WATER INLET FOR COFFEE BREWING Tube for brewing water Tube for varying the brewing chamber Brewing chamber with lower filter N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 28 41 18 SPOUTS ASSEMBLY Because of the size of the vending machine FIXED SPOUTS have been designed The spouts are mounted onto a tray2. W GLOBAL VENDING KORI NTO ES 09 05 06 Page 24 41 15 INSTRUCTIONS FOR REMOVING THE CASINGS O ACCESS THE I NTERNAL PARTS OF THE MACHINE WNL TTP AL QAM NNI DALTON ELAN In order to remove the rear casing and access the electrical parts undo the two screws indicated by the arrows and lift vertically and remove thus releasing the upper fasteners Rear view without protective casing In order to remove the left side casing and access the internal functional units undo the two screws located at the front both upper and lower Slightly lift the casing to slide out the upper fasteners Proceed the same way to remove the right side casing N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 25 41 ADDITIONAL I NSTRUCTI ONS TO ACCESS THE OPEN TOP BOILER IN THE INSTANT VERSI ON After removing the side casings to have full access to the instant boiler remove also the lower front casing Photo at the side Undo the two screws on each side After undoing the two screws for each side pull outwards and remove it completely At this point the boiler is completely accessible for removal fro
3. 5 530 Available adjustments Grade of grinding for espresso coffee t Espresso coffee dose through number of rotations of grinding wheels P Water doses for coffee by volume W a Water doses for instant products by timing Powder doses for instant products by timing Boiler temperature adjusted via software Overall size of vending machine and of base cabinet optional Base versions Espresso Instant Fresh brever Installed boilers and temperature Una caldaia in pressione per la versione espresso One open top boiler for Instant and Fresh brew versions Temperature setting via SW Safety devices Main switch at the back Main safety switch for opening the door Water inlet solenoid valve with passive overflow device Manual reset boiler safety thermostat Manual reset instant boiler anti boiling thermostat Air break float jamming and instant boiler Presence of liquid waste tray Presence of coffee grounds tray Boiler sensor control short circuit or failure Double heating and timing protection for Pump Doser devices Coffee unit ratiomotor Coffee grinder Mixer motors Fuse protection for Transformers electronic boards and main wiring Protection for 100 impedance Instant product solenoid valves water inlet solenoid valve Controls Presence of water Presence of coffee Operating temperature reached N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive
4. FRESH BREW coffee selections are disabled The standby position is checked by a position micro switch and every time the machine is started the unit is checked check that the brush is new and the motor is activated That there are not any mechanical blockages Check the connection with the FB board For espresso only Coffee is dispensed too slowly and it tastes burnt Excessive coffee dose or ground too finely The dose is calculated using an algorithm that counts the number revolutions of the grinder and the doses are dispensed correctly if the grinder is adjusted with the correct grade of grinding Check that the distance between the grinding wheels is the factory default one N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 36 41 For espresso only The coffee lacks body and is dispensed too quickly Coffee dose too small or ground too coarsely The dose is calculated using an algorithm that counts the number revolutions of the grinder and the doses are dispensed correctly if the grinder is adjusted with the correct grade of grinding The dispensing time must remain consta
5. MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 40 41 28 MONTHLY CLEANING AND HYGIENE SCHEDULE MONTHLY CLEANING AND HYGIENE or every 5000 selections Expected time 18 FIG 1 FIG 7 N amp W Global Vending TECHNI CAL MANUAL ONCE A MONTH OR EVERY 5000 SELECTIONS THE FOLLOWING SCHEDULED MAINTENANCE OPERATIONS MUST BE CARRIED OUT AS USUAL IT IS ADVISABLE TO CARRY OUT SUCH OPERATIONS AT THE WORKSHOP AND ON SITE SIMPLY REPLACE THE UNITS WITH THE ONES WHICH WERE ALREADY SUBJECTED TO SCHEDULED MAINTENANCE Remove the Z3000 unit from the vending machine FIG 1 disassemble the unit completely remove the upper piston and the lower brewing chamber FIG 3 FIG 4 carry out the maintenance operations indicated in the specific manual and more specifically clean or replace the filters and lubricate the seals Remove the side casing to access the air break unit FIG 2 empty it and rinse it with specific hygiene products at the same time rinse the entire hydraulic circuit Remove the powder containers empty and clean them thoroughly in the inside especially the ports and the auger FIG 5 6 Remove the grinder and d
6. Name of unit DESCRI PTI ON OF OPERATION N of selections Max frequency Espresso Brewer Unit 1 Check state of filters and wear of silicone O ring seal 2 Replace upper and lower filters and related seals 3 Descale the internal vent hole and lubricate with specific food safe grease 5000 8000 30 000 1 month 6 months annual Fresh Brewer Unit 1 Check state of filters and wear of silicone O ring seal see details in the functional unit manual for FB coffee brewing 2 Open the unit and check the state of wear and internal lubrication and if necessary replace and lubricate 4000 40 000 1 month annual Mixer Assembly 1 Check the water tightness in the axial bush and the correct assembly if necessary replace 2 Check the wear of the motor brushes and clean off the excess of carbon powder 50 000 annual Boiler And Solenoid Valve Assembly If the boilers and the solenoid valves operate with soft water or are fitted with specific softener filters the should be no need of periodic maintenance otherwise periodically check the grade of scaling and if necessary proceed to complete descaling According to the water hardness Every 6 months Steam Exhauster Unit There is not need of any particular maintenance For perfect functioning it is necessary that the powder removal boxes be emptied periodically In addition daily cleaning ensures also maximum hygiene of the ma
7. by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 7 41 FRONT VIEW WITHOUT PROTECTIVE SI DE VIEW WITHOUT PROTECTIVE CASING CASING INSTANT BOILER SI DE Aenea bape ld Only for INSTANT VERSION Only for INSTANT VERSION or FRESH BREWER DETAIL OF SOLENOI D VALVES FOR I NSTANT BOI LER Only for INSTANT VERSION N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 8 41 2 LIST OF MAIN COMPONENTS N Ref DESCRI PTI ON 1 Lock 2 Cabinet 3 User interface 4 Selection keypad 5 Dispensing unit 6 Cup tip up support 7 Rear protective casing 8 Power supply fuses 9 Main switch 10 Water inlet solenoid valve 11 Power supply cable 12 Grinder and doser device 13 Coffee beans hopper 14 Instant product canister 15 Mixer assembly 16 Door 17 Espresso coffee brewer uni
8. necessary to Recycle remove the side casing undoing the two fastening screws on the front side and slide the panel upwards l Klixon until removing it completely Overheating The PUMP is located on the left hand side and is p protection mounted on two rubber anti vibration elastic supports erd Disconnect the connection cables and remove after undoing the special screws NEVER change the setting of the bypass especially adjusted at the factory if the malfunction is due to PUMP REMOVED FROM THE BOI LER ASSEMBLY clogging from calcium deposits replace with the complete check valve spare part set If the malfunction was due to triggering of the klixon replace it with an identical one N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 27 41 17 ESPRESSO amp FB UNITS The espresso version is equipped with the new Z 3000 unit used in three specific versions refer to the specific Z 3000 service manual In any case it is an evolution with many improvements of the Z 2000 model more specifically planned for the following versions 1 Standard version which is equivalent to the old Z 2000 but with a simpler structure
9. the thermostat must be reset by pressing the central red button In the event of failure to the control system and of a full boiler upon reaching boiling temperature as the steam exits from tube A it touches and triggers the two thermostats T2 each thermostat disconnects one phase of the power supply Proceed as above to reset them see specific chapter to identify the type of malfunction See relevant section in the functional unit manual for details photos and complete description BOILERS The internal temperature control is by means of an NTC type electronic probe fitted with an internal 12K ohm 4 ohm resistance at a temperature of 25 C The following table shows the changes in internal resistance as the temperature changes We can see that the resistance decreases as the NTC temperature increases The SW when reading such changes causes the activation or deactivation of the heating element with a specific cycle to avoid temperature changes that are too high Boiler temperature C Value in ohm Allowed tolerance 0 35875 7 ohm 25 12000 4 ohm 50 2900 n 85 1475 n 90 1260 i 100 963 i N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp
10. use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 10 41 4 ELECTRICAL SAFETY AND RELEVANT STANDARDS The vending machine KORINTO was designed and made in conformity with the provisions of the following directives and related European standards MACHI NE SAFETY DIRECTIVE EEC 98 37 EN 60529 UNI EN 292 1 2 IEC 695 2 2 LOW VOLTAGE DIRECTIVE EEC 73 23 EEC 89 392 EEC 89 336 the low voltage directive covers all equipment powered with voltage below 400 V AC The following European standards are applied EN 60335 2 14 EN 60335 2 15 EN 60335 2 24 EN 60335 2 75 ELECTROMAGNETIC COMPATIBILITY DIRECTIVE EN 61000 3 3 EN 61000 4 2 EN 61000 4 3 EN 61000 4 4 EN 61000 4 5 EN 61000 4 11 With regard to Low Voltage and Electromagnetic Compatibility this vending machine KORINTO was tested and certified by IMQ a certifying body authorised by ministerial decree at European level It is therefore prohibited on pain of voiding the warranty and the responsibility of the certification to replace any electrical component with non original parts during the routine and extraordinary maintenance operations Therefore it is also prohibited to Tamper with or deactivate the safety systems installed in the vending machine Install the v
11. use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 21 41 14 AlIR BREAK AND BOILERS The air break is a functional unit with the function of keeping the water level constant and of signalling a water flow interruption from the mains in the event of such water failure it serves the purpose of completing the current selection In the espresso version it serves the purpose of holding a reservoir of water at normal atmospheric pressure so that the pump can draw the correct water dose for the selection and deliver it to the Espresso boiler without changes in pressure that may affect the volumetric counter reading The water level is ensured by a float that triggers a micro switch keeping the level between a factory set minimum and maximum it very important not to replace the micro switch with any one of different mechanical characteristics as a variety of malfunctions may occur In the event of failure to the maximum level micro switch an overflow hole allows the water to be conveyed through a tube and to the safety device fitted on the water inlet solenoid valve thus causing its mechanical lock such safety device is triggered also in the event of a power failure In the Instant version the level is controlled directly t
12. warranty will be void 9 2 CONNECTION OF ELECTRONIC BOARDS Actuation board Steam exhauster Terminal strip 1 2 3 Switch and fuses 4 5 Boiler control board 6 Secondary winding fuses 7 Interference suppressor filter 8 Transformer VIEW OF POWER SUPPLY UNIT COMPARTMENT AND ACTUATION BOARD ESPRESSO VERSI ON WITHOUT REAR PROTECTIVE CASI NG N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 16 41 BOARD CONNECTION DI AGRAM Signal DESCRI PTI ON SAL Power supply card SM FB Sigma brewer control board where provided SM Actuation amp control board CCG Mechanical general counter SM 1 Push button and display control card LCD Liquid Crystal Display IDEC Decaf coffee door switch P1 P2 Selection keypad NB The above codes are indicated in the wiring diagrams and in the tables supplied with the machine N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may
13. BREWER SELECTION PANEL AND SELECTION PANEL N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 15 41 9 1 ELECTRICAL SYSTEMS CONNECTIONS The machine is designed to operate under a single phase voltage of 120 V AC 5 10V It is protected with a main 15 A fuse on both phases With regard to the transformer the primary winding is protected with a 125 mA fuse the secondary winding is protected with a 1 25 mA fuse It is fitted with a door opening safety switch The power cable can be supplied as standard feature and chosen among the following types 1 HOS RN F copper with a 3 x 1 5 mm section 2 HOSVV F ayn 3 HO5VV Fn nnan Fitted with a fixed SCHUKO plug NB it is possible that for some specific markets a cable with specific plug be fitted in accordance with the regulations in force in that country In the event of replacement cables of exactly the same characteristics must be used Since the KORI NTO vending machine is approved by an electrical safety certification institute I MQ replacements with non original components are not permitted Otherwise the electrical safety certificate and the
14. ENE SCHEDULE 27 WEEKLY CLEANI NG AND HYGI ENE SCHEDULE 28 MONTHLY CLEANI NG AND HYGI ENE SCHEDULE N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service Pag 3 Pag 4 Pag 5 6 7 8 Pag 9 Pag 10 Pag 11 Pag 11 Pag 12 Pag 13 Pag 14 Pag 15 Pag 16 Pag 16 17 Pag 18 Pag 19 20 Pag 21 Pag 21 Pag 22 23 24 Pag 25 26 Pag 27 Pag 28 Pag 29 Pag 30 Pag 31 Pag 32 Pag 33 Pag 34 Pag 35 36 37 Pag 38 Pag 39 Pag 40 Pag 41 All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 2 41 1 PLANNED MODELS EnD uF E INSTANT VERSI ON ESPRESSO VERSI ON DOUBLE CUP amp SI NGLE CUP ESPRESSO VERSI ON WITH FROTHER AND CUP WARMER FRESH BREWER VERSION N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 3 41 1 1 MAIN EXTERNAL COMPONENTS N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for th
15. GLOBAL VENDING TECHNICAL AND AFTER SALES SERVI CE SERVICE MANUAL KORI NTO Espresso Version N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 1 41 INDEX PLANNED MODELS MAIN EXTERNAL COMPONENTS MAIN INTERNAL COMPONENTS LIST OF MAIN COMPONENTS Ne REQUI REMENT FOR THE USERS OONOUBRWNEER INTERNAL LAYOUTS 9 1 ELECTRICAL SYSTEMS CONNECTIONS 9 2 CONNECTION OF ELECTRONIC BOARDS 10 WIRING DI AGRAMS 11 ACTUATION BOARD CONFIGURATIONS 12 PUSH BUTTON BOARD TECHNI CAL DATA AND FEATURES ELECTRICAL SAFETY AND RELEVANT STANDARDS HYDRAULIC LAYOUT ESPRESSO HYDRAULIC LAYOUT INSTANT HYDRAULIC LAYOUT FRESH BREWER 13 ESPRESSO BOILER CONTROL BOARD 14 Al R BREAK AND BOILERS INSTANT amp ESPRESSO 15 INSTRUCTIONS FOR REMOVING THE CASI NGS 16 POMPE E BY PASS 17 ESPRESSO amp FRESH BREWER UNITS 18 SPOUTS ASSEMBLY 19 POWDER PRODUCT CONTAINER AND DOSER DEVICES ASSEMBLY 20 MI XER ASSEMBLY 21 COFFEE DOSER GRI NDER UNIT 22 SELECTI ON DOSE TABLE 23 ROUTI NE AND EXTRAORDI NARY MAI NTENANCE SCHEDULE 24 TROUBLE SHOOTI NG 25 HACCP DI RECTI VE 26 DAI LY CLEANI NG AND HYGI
16. KORI NTO ES 09 05 06 Page 31 41 21 COFFEE DOSER GRINDER UNIT The coffee grinder is a new design and the ground coffee dose is determined via software setting and by means of a sensor that counts the number of revolutions of the grinding wheels see view from below Therefore it is very important that the mechanical adjustments to the grade of grinding be checked very frequently In order to get a dose of 7 grams of coffee a certain number of revolutions is counted by increasing or decreasing such value the amount increases or decreases It is therefore possible to set selections with different coffee doses It is therefore clear that it is very important to keep the adjustment of the grinding wheels constant to obtain accurate coffee doses especially in the first period of use 1000 2000 selections because of the greater wear due to the initial settling the adjustment can be performed also approximately by regularly checking the weight of the ground coffee and its grade of grinding The motor winding is fitted with a self reset overheating protection SI DE VIEW WITHOUT PROTECTIVE Flat type grinding wheels are used CASING COFFEE GRINDER UNIT POSITION AREA For further information refer to the specific manual COFFEE GRI NDER VIEW FROM BELOW SENSOR SI DE Knob for adjusting the distance between grinding jwheels COFFEE GRINDER VIEW IN OPERATING POSITION EXPLODED VIEW Ground outlet exit por
17. NG PROBLEM and or indication on the display POSSI BLE CAUSE SOLUTION The machine does not go into the boiler heating phase and the display shows the message NATER FAILURE If the micro switch of the air break if fitted float in the instant boiler or of the float in the water supply tank is not activate within one minute the software disables the machine Check the following situations Machine with air break check that there is water from the mains if this is the problem wait for the water from the mains to be resumed Otherwise check the operation of the inlet solenoid valve from the mains check the operation of the air break micro switch Machine with instant boiler in this case it is the boiler to perform the air break function Then repeat the above checks Machine with water supply tank Check the operation of the magnetic float and of the water supply pump Check the activation of relays K1 and K14 espresso versions If the coffee grinder exceeds the grinding speed for longer than 5 seconds the espresso coffee When an espresso coffee selection is made the grinder is activated conveying coffee directly to the brewing chamber of the Z3000 unit and the amount is The display indicates selections are disabled All instant determined by the number of revolutions of the the message product selections remain available grinding wheels by means of a special sensor NO C
18. OFFEE Check the presence of coffee Check the distance between the grinding wheels Check the presence of the sensor Check the functioning of the relay K16 Empty the tray removing it from the lower section of The display indicates When the float in the liquid waste the cabinet the message NASTE CONTAINER FULL tray triggers the signal micro switch Check the operation and correct functioning of float and micro switch The display indicates the message AIR BREAK The machine locks if after 10 selections the float micro switch does not change position Check the following situations Machine with air break check that there is water from the mains if this is the problem wait for the water from the mains to be resumed Otherwise check the operation of the inlet solenoid valve from the mains check the operation of the air break micro switch Machine with instant boiler in this case it is the boiler to perform the air break function Then repeat the above checks Machine with water supply tank Check the operation of the magnetic float and of the water supply pump Check the activation of relays K1 and K14 The display indicates the message OLUMETRI C COUNTER When the counter does not signal any counting within a time out set by default The water amounts necessary for espresso coffee selections are ensured by a volumetric counter that with the water flow causes a wheel
19. aries the accuracy according to the water flow velocity and namely For espresso coffee it is reduced considerably because of the coffee compress reaction that slows down the water flow while it is accelerated in the instant drinks selections since there are no obstructions to the water flow Therefore in the event of changing the doses set at the factory some measurements must be made using measuring containers N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 33 41 23 ROUTINE AND EXTRAORDI NARY MAI NTENANCE SCHEDULE The vending machine KORINTO was designed to operate for a long time without malfunctions however in order to ensure excellent reliability periodic maintenance is necessary Such maintenance must be performed according to the number of selections made and the time lapsed Periodic and correct maintenance ensures reliability constant quality and also guarantees safety standards over time The following table indicates the functional units that must be subjected to periodic maintenance and the frequency of maintenance For the operations to be carried out refer to the specific Functional unit manuals
20. ay differ for each version N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 13 41 8 HYDRAULIC LAYOUT FRESH BREWER OOO COMPONENTS OF FRESH BREWER VERSI ON hae DESCRIPTION rea DESCRIPTION ra DESCRIPTION 4 Solenoid valves 5 Instant boiler 6 Water solenoid valve N B The diagram shown is given only as a reference as it may differ for each version N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 14 41 9 INTERNAL LAYOUTS EXAMPLES OF INTERNAL LAYOUT NOTE THE FOLLOWING LAYOUTS ARE ONLY GIVEN AS AN EXAMPLE FOR THE PURPOSE OF INDICATING THE CONFIGURATION POSSIBILITIES REFER TO THE TABLES SUPPLIED WITH THE MACHINE FOR THE ACTUAL LAYOUT PARMELLO ELETTHICO PANNELLO ELETTRICO CAFFF IK GHAR ag gr LAYOUT OF KORINTO INSTANT AND LAYOUT OF KORI NTO FRESH
21. be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 17 41 10 WIRING DIAGRAMS UPS CONNECTION DIAGRAM f BLOCK CONNECTI ONS DI AGRAM Cooler unit see detail in previous page N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 18 41 11 ACTUATION BOARD CONFIGURATIONS ACTUATION BOARD This board placed at the back of the machine processes the information from the push button card and from the payment system if fitted it also controls the actuations the input signals and the boiler board The 15 VAC voltage necessary for operating the board is supplied by the transformer protected by a 125 mAT fuse on the primary winding and by a 1 25 AT fuse on the secondary winding the voltage is rectified and stabilised directly by the board This board houses the Flash EPROM The control software of the board is installed directly via RS232 in the microprocessor The program can be updated or some of its functions can be changed through a PC or palmtop with special Software The red LED 7 indicates the ope
22. chine Every day Coffee Grinder Assembly The motor was designed to operate for more than 200000 grinding cycles and the grinding wheels can ensure correct grinding for at least 50000 cycles However these values can vary because of possible impurities in the coffee pebbles pieces of hard wood etc therefore it is advisable except for premature wear to check and if necessary replace the grinding wheels every 50000 cycles Every 200000 cycles check the state of wear of the ratiomotor brushes if necessary replace and clean off the wear residues In addition every month check the correct positioning of the grinding wheels and if necessary adjust to the correct setting by means of the knurled knob 50000 200000 4000 Every year month Extraordinary maintenance is carried out in the event of possible malfunctions For the most typical problems the vending machine is fitted with sensors that inform the software about any malfunction The following tables list the possible malfunctions and possible remedies N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 34 41 24 TROUBLE SHOOTI
23. d valve 2 K9 Instant prod solenoid valve 1 K 10 Doser device motor 1 K 11 Instant prod solenoid valve 2 K 12 Not used K 13 Not used K 14 Mains water inlet solenoid valve K 15 Not used K 16 Coffee grinder ratiomotor N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 20 41 12 PUSH BUTTON BOARD 1 Selection buttons not used 2 Not used 3 To mechanical counter optional 4 To actuation CPU board 5 Input 6 Display adjustment trimmer 7 To display al a H pa ai 8 12 Vdc validators L gt ji i 9 Not used 10 RS232 serial port 11 Not used 12 Programming access button 13 Wash button 14 Display card Triac board This board is controlled by the machine board and is powered under 120 V AC It is used for controlling and starting the boiler heating element Connector J 2 is connected to a 120 V AC phase Connector J 1 receives the information from the SM board that sends a consent signal to activate the triac for the power supply to the heating element N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive
24. divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 11 41 6 HYDRAULIC LAYOUT ESPRESSO ESPRESSO VERSI ON COMPONENTS with variable brewing chamber RIE DESCRI PTI ON al DESCRI PTION Lz DESCRI PTION Spouts assembly for ee Instant drinks spouts ie ne double coffee assembl Brewing chamber N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Ro OOOO OO Solenoid valve Espresso boiler assembly Fon Solera vahe By pass o bration pum Co Bipass pump 14 Voluretic counter a2 Ai break 13 Water solenoid valve 14 Water filter 15 Vent tube N B The diagram shown is given only as a reference as it may differ for each version Page 12 41 7 HYDRAULIC LAYOUT INSTANT INSTANT VERSI ON COMPONENTS P DESCRI PTION pag DESCRI PTION rs DESCRIPTION EH SPOUTS ASSEMBLY 2 Mixer Mixer 3 Solenoid valves valves 4 Water solenoid valve 5 Boiler assembly ees Boiler vent tube Oe o N B The diagram shown is given only as a reference as it m
25. e exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 4 41 1 2 MAIN INTERNAL COMPONENTS N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 5 41 REAR COMPARTMENT WITHOUT PROTECTIVE CASING DETAIL OF CPU ACTUATION MACHI NE BOARD N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 6 41 PERSPECTIVE VIEW WITHOUT SIDE VIEW WITHOUT PROTECTIVE PROTECTIVE CASI NG Al R BREAK SI DE CASI NG ESPRESSO BOILER SI DE DETAIL OF PUMP AND BOILER FOR FROTHER UNIT DETAIL OF POWER SUPPLY CABLE CLAMPI NG DOSER GRINDER UNIT DETAIL N amp W Global Vending TECHNI CAL MANUAL This document was produced
26. ending machine outdoor or in any case in a place that is not protected from the weather Use the vending machine for purposes other than those indicated in the sales contract Connect the vending machine by means of extension cords or multiple sockets and or adapters Use water jets for cleaning Then it is also compulsory to Verify the conformity and suitability of power supply line and of the power outlet 5 REQUIREMENT FOR THE USERS For safety purposes three different operators with different qualifications have been defined USER The user is practically the final user who buys the products from the machine The user must not have any access whatsoever to the inside of the machine PERSON RESPONSI BLE FOR REFILLING AND ROUTINE CLEANING The person responsible for refilling has the key for opening the machine and is in charge of the refilling cleaning and internal hygiene of the machine He must not have any access to energised parts or moving parts MAI NTENANCE TECHNICIAN The maintenance technician must be a highly skilled person and must be aware of the electrical hazards in the event of complex technical operations and can operate with the machine switched on and the door open using the safety key supplied N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be
27. gue between CPU board Check the connections the message CAN BUS BOARD and can bus board that controls the SIGMA BREWER unit Check that the power supply is correct Replace the board The display indicates the message COIN MECHANISM only if equipped with a payment system The machine will lock if it receives an impulse longer than two seconds on a validator line or there is no communication with the serial coin mechanism for more than 30 seconds executive protocol Or 75 seconds BDV protocol Check that connection is correct and the software setting is correct for the protocol If necessary replace the payment system The display indicates the message GRINDER BLOCKED If the coffee grinder does not rotate or rotates too slowly for longer than 5 seconds the espresso coffee based selections are disabled The grinder rotation is controlled by a sensor if no rotation is detected within 5 seconds check That there are no blockages in the grinding wheels That the overheating control systems on the winding were not triggered That the sensor works correctly Check the activation of relay K16 The display indicates the message ESPRESSO UNIT If the unit does not reach the initial standby position after making a selection checked by a position micro switch the espresso based selections are disabled The standby position is checked by a position micro switch and every t
28. hrough a float located in the boiler itself see page 24 SIDE VIEW Al R BREAK SI DE WITHOUT PROTECTIVE CASI NG DETAIL OF WATER LEVEL MI CRO SWI TCH DETAIL OF Al R BREAK I N WORKING POSITION N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 22 41 BOILERS For the KORINTO model there are three base versions 1 Espresso version fitted with a pressure boiler very similar to the one used in the entire range 2 Instant version fitted with only the open top instant boiler also fitted with a new design level control system 3 Fresh brewer version fitted with only the same open top instant boiler used in the Instant version The espresso boiler is the same used for KORO BRIO models therefore with the same well known and established characteristics and reliability The open top boiler for the Instant FB version is a new and specific design with the feature of being molded from thermoplastic material with specific technical characteristics Already used in the KORO and Brio 3 models instant and FB For further technical information see the functional unit manuals To access the boiler and the pu
29. ime the machine is started the unit is checked If the change in the on condition is not read check that the motor is started the position micro switch works correctly the brewing chamber is not clogged with too much coffee Check the activation of relay K7 The display indicates the message RAM DATA One or more areas of the RAM memory contain altered or non compatible data which is corrected by the software with default setting data therefore the machine continues to operate with the initial data but initialise will be required Enter into the installation procedure and initialise the software if the failure persists replace the CPU board The display indicates the message FRESH BREWER PISTON The default position is determined by the micro switches and the position is factory preset if for any reasons they are not triggered FRESH BREW coffee selections are disabled The standby position is checked by a position micro switch and every time the machine is started the unit is checked check that the motor is started the position micro switch works correctly the brewing chamber is not clogged with too much coffee the filter is not clogged Check the connection with the FB board The display indicates the message FRESH BREWER BRUSH The default position is determined by the micro switches and the position is factory preset if for any reasons they are not triggered
30. k area tidy Check that the product packages are intact and not damaged Keep coffee and powder products in a cool dark and dry place Use products within the recommended time period see expiry date on the package Always use products from the warehouse according to the principle of first in first out Tightly close and seal any product packages not completely used Coffee and consumables must be kept and transported separate from the cleaning products The product containers must be cleaned regularly see operation instructions Only fill coffee or other product containers with sufficient amount for the expected use until the next cleaning Cleaning the machine Pages 39 40 amp 41 Carefully observe the following cleaning instructions Clean the machine preferably at the end of the day or in the morning before the machine is used After cleaning dispense and check a drink see last check Fill in the check list log for cleaning operations When the display indicates an error message immediately check the trouble shooting sheet Use only recommended cleaning products approved for foodstuff preferably liquid avoid the use of powder and abrasive products N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or rep
31. m the machine See photo at the side N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 26 41 16 PUMPS AND BY PASS In order to supply water to the espresso boiler and to the frother module specific version a vibration pump used which is the same used in the entire H amp C range of Necta The application is specific as pump boiler triac control circuit and connections are located inside the cabinet and access is gained by removing the side casing see photo This solution ensures total full access for maintenance and hygiene The pump has overheating protection in case of continuous or dry operation by means of a 90 C self reset klixon It is fitted with a by pass at the outlet to ensure correct and consistent dispensing pressure The by pass is factory pre set to 12 bar The pump is activated by relay K 8 BOILER PUMP PUMP COMPARTMENT OF THE FROTHER MODULE BOILER AND PUMP COMPARTMENT VIEW WITHOUT SI DE CASING BY PASS THE PUMP IS LOCATED IN THE LEFT SIDE COMPARTMENT To the boiler CHECK VALVE In the event of malfunctions the pump can be replaced with a new one To have access to the pump it is
32. mp see instructions at page PRESSURE BOILERS espresso version Solenoid valve assembly Three 2 way valves one 3 way valve Lr G onez Bipolar safety ri ir thermostat PRESSURE BOILER REMOVED FROM THE MACHINE SIDE VIEW WITHOUT PROTECTIVE CASING INSPECTION SIDE OF PRESSURE BOILER 1 AND VIBRATION PUMP 2 N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 23 41 OPEN TOP BOILERS Instant amp Fresh Brewer models SIDE VIEW WITHOUT PROTECTIVE CASI NG OPEN TOP BOI LER COMPARTMENT OPEN TOP BOILER DETAIL OF SOLENOID VALVES AND OVERHEATING PROTECTIONS NOTE The open top is made of special thermoplastic material and coated with insulating material for more efficient heat insulation two overheating protections are fitted for safety practically it is the same boiler used in the KORO instant model 1 Dry operation protection 2 Anti boiling protection In the event of failure to the control system and of boiler without water the thermostat T is triggered at approximately 125 C disconnecting the power supply In order to reactivate everything the fault must be identified and
33. nt Check that the distance between the grinding wheels is the factory default one with use the grinding wheels are subject to wear and it will be necessary to reset the correct measurement periodically The mixers clog up Failed rotation of the mixer Excessive instant product dose Steam exhaust box clogged Water to powder ratio not correct Check for the motor overheat protection trigger if necessary check the cause of such trigger Empty the powder removal box adjust and check the correct water to powder ratio Check the logic of the cycles Check the activation of relay K3 N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 37 41 25 HACCP DIRECTIVE HACCP DI RECTI VE EEC 93 43 and 96 3 Outline and instructions for use Notes Whatis itand whatis indicated by the European Directive Directives EEC 93 43 and 96 3 regard the hygiene of food products and are based on the HACCP Hazard Analysis Critical Control Point The purpose of this directive is to safeguard the consumer health suggesting a series of actions to be take by the vending company aimed at checking identifying and cor
34. nt was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 30 41 20 MI XER ASSEMBLY MI XER IN EXTRACTION POSITION DETAI L OF RELEASE LEVER PLASTI C COMPONENTS OF DISASSEMBLED MIXER MIXERS WITH EXTERNAL PARTS SUBJ ECT TO DAILY HYGI ENE BEING REMOVED The mixers are newly designed although many components are developed from the ones used in previous models The power supply is 230 V AC the rotation velocity is 20 000 RPM the motors have overheating self protection and the axial sealing system is patented using special self positioning technical material More specifically the release and opening system of the external assembly is new while the motor and the water tightness system are identical The new system permits easier disassembly for daily cleaning For further details and technical information refer to the specific Service Manual N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING
35. oser assembly empty any coffee residue check the state of the grinding wheels check the efficiency of the sensor that detects the number of revolutions FIG 7 8 Reset the correct distance between the grinding wheels see specific manual Reassemble all parts taking care not to touch any parts that come into contact with food Make some test selections This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 41 41
36. r the next morning before starting to use the machine Fig 7 Fig 6 Fig 8 N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 39 41 27 WEEKLY CLEANING AND HYGIENE SCHEDULE WEEKLY CLEANING AND HYGIENE Expected time 6 Open the door Remove the dispensing compartment and the tray slide out the coffee grounds container Clean and rinse the components thoroughly under current water FIG 1 Instant version FIG 2 3 Espresso version Remove the coffee grounds container empty it and rinse it thoroughly Remove the powder and coffee bean containers empty and clean them removing all encrustations FIG 2 3 Remove the brewer unit clean thoroughly and rinse with hot water FIG 4 5 Remove the liquid collection container empty it rinse it and clean thoroughly FIG 6 Remove the spouts holder unit clean and rinse thoroughly FIG 7 Remove the mixer assembly clean and rinse thoroughly FIG 8 Reassemble all parts taking care not to touch any parts that come into contact with food Make some test selections Fig 4 Fig 8 Fig 7 N amp W Global Vending TECHNI CAL
37. rating status of the boiler heating element The red LED 9 for resetting the CPU glows during the board reset The green LED 11 blinking indicates that the microprocessor is working correctly The yellow LED 12 indicates the presence of 12 V DC N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 19 41 1 120 V power users 2 Input signal 3 Can Bus connection 4 Can Bus connection 5 Relay expansion connection 6 Boiler control probes 7 Red LED boiler heating element 8 Input signal 9 Red LED 10 Not used 11 Green LED 12 Yellow LED 13 To the push button board 14 Connector for board programming RS232 15 Up Key connector 16 Board power supply 15Vac 17 Relays K1 to K16 18 Connector for 120 V AC power users Oey i C o a L oO LJ le Ll LJ a SM REFERENCE TO RELAY CODE AND ACTUATIONS ESPRESSO VERSION K1 Starting pump K2 Not used K3 Whipper motor 1 K4 Not used K5 Coffee dispensing solenoid valve K6 Discharge solenoid valve 1 K7 Coffee brewer motor K8 Discharge solenoi
38. recting any critical aspects in the foodstul chain from the purchase of products and machines to the dispensing of the product The HACCP is therefore a system that addresses the analysis of any potential risks in the manufacturing and distribution cycle of food product and the identification of critical points where such risks can occur the system also highlights the actions to be undertaken and the decisions to be made with regard to such critical points as well as the implementation of checking and monitoring procedures Therefore each vending company must develop a Company Hygiene Self control Manual according to the provisions of the directive and if necessary use the information and recommendations formulated by some associations in the sector The manual must contain a programming and checking schedule for the vending machine hygiene condition I mportant notes For a correct use of the machine the directives must be fully applied The operator is responsible for correct operations on a vending machine HACCP Directives EEC 93 43 and 96 3 Guidelines for cormect application Ensure hygiene control with a special manual for correct hygiene practices After cleaning do not touch the surface of any elements that may come into contact with food Wash your hands thoroughly preferably using disinfectant before starting any hygiene operations Use disposable sterile gloves Always use a clean cloth to wipe dry Keep the wor
39. roduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 38 41 26 DAILY CLEANING AND HYGI ENE SCHEDULE DAILY CLEANING AND HYGIENE ESPRESSO VERSION Expected time 6 Open the door Remove the dispensing compartment and the tray slide out the coffee grounds container Clean and rinse the components thoroughly under current water FIG 1 Instant version FIG 2 3 Espresso version Remove the coffee grounds container empty it and rinse it thoroughly FIG 2 Remove the drip tray located under the mixer rinse it and eliminate any residue FIG 4 Slide out the external mixer assembly and disassemble it FIG 5 6 clean and rinse out thoroughly all residue Remove the brewer unit clean and rinse with hot water FIG 7 8 Reassemble all parts taking care not to touch with your hands any parts that come into contact with food Carry out a mixer automatic wash cycle according to the pre set procedures Close the door and make some test selections For the disassembly instructions see specific service manuals or specific chapters NB in order to speed up the operations it is advisable to replace with components that were already cleaned and sanitised at the workshop and take to the workshop the dirty components for cleaning and sanitising The cleaning and hygiene operations must be carried out the evening after the machine use o
40. t COFFEE GRI NDER PERSPECTIVE VIEW N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 32 41 22 SELECTION DOSE TABLE The software is programmed by default with the most suitable settings for the relevant market The following table is an example and are for the Italian market settings and the correct and updated settings are indicated in the tables supplied with the machine Selection Remarks Coffee Coffee Water Powder Fresh brew Remarks beans Instant c c g coffee NOTE 1 The water flow in the mixers is approximately 10 c c per second and it is given as a guideline as there are many variables that can affect the accuracy The liquid dose is determined by the flow meter pulse counting volumetric counter Both versions Instant and Espresso use an electromechanical vibration pump with the espresso boiler for the water flow therefore the liquid dose in both versions is measured in flow meter pulses fmp NOTE 2 To be noted that the number of pulses does not change in a linear manner i e double the amount of water does not correspond to double the number of pulses however the counter v
41. t 18 Decaf coffee door pre measured sachets of ground coffee 19 Coffee hopper lid 20 Spouts assembly 21 Actuation and control board 22 Exhaust fan 23 Fuse box 24 Power supply interference suppressor 25 Transformer 26 Boiler power supply board 27 Grinder and doser device 28 Espresso boiler 29 Air break 30 Vibration pump 31 Power supply cable 32 Cable clamp 33 Power supply cable connector 34 Frother pump 35 Frother unit boiler 36 Instant boiler solenoid valve 37 Instant boiler N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 9 41 3 TECHNICAL DATA AND FEATURES Height 28 14 Width 13 03 Dm ees Depth 20 78 Overall depth with door open 28 89 Weight 70 54Ib Power supply 120V AC 60 Hz Installed power 1300W Espresso Payment systems used The machine is pre set to use by means of special kits payment systems coin mechanisms and 24 V DC validators with EXECUTIVE BDV and MDB protocols a The payment systems must be housed in the special side module aoe a supplied as optional accessory together with the payment system kits eS Water supply From the mains 7 123PSI 0 05 0 85 Mpa 0 5 8
42. that is easy to remove for daily cleaning SPOUTS ASSEMBLY EXTERNAL VIEW WITH DETAIL OF COFFEE SPOUT WITH SPLIT OUTLET TO OPTI MISE QUALITY AND TO PERMIT DI SPENSI NG OF DOUBLE COFFEE DETAIL OF SUPPORT TRAY BEING REMOVED N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 29 41 19 POWDER PRODUCT CONTAINER AND DOSER DEVICES ASSEMBLY According to new market requirements it was necessary to design new solutions using quick fastening without any screws to allow easy access for maintenance as well as quick changes to the layout by means of preassembled modules MI XER RATI OMOTOR ASSEMBLY BEI NG REMOVED FROM ITS SEAT RATI OMOTOR REMOVED FROM ITS SEAT Standards components are used already MPa e a ty adopted in other applications but in a new support and with newly designed specific powder containers comprising also the mixer assembly The system is modular and of the same width as a powder container It was designed for quick and easy removal as required by the particular type of machine MI XER RATI OMOTOR ASSEMBLY VI EWED FROM BELOW N amp W Global Vending TECHNI CAL MANUAL This docume
43. to rotate and sends to the software a number of pulses corresponding to the set water dose if such dose is not reached within 60 seconds it means that there is a problem Check that there is water see above check that there are no obstructions to the correct flow of water Check the correct functioning of the impellers There must be 5 VAC on the terminals during the counter operation Check that coffee was ground correctly and that dose is accurate Check that the coffee filters are not clogged N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the technical personnel in the after sales service All rights reserved No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO ES 09 05 06 Page 35 41 The machine will lock if after the Check that the heating element and the STRC card are The display indicates maximum time of heating from the functioning correctly l the message machine start or from the last Check that the overheating control systems were not e selection there is no signal of triggered BOILER correctly reaching the temperature Check the functioning of the probe ohm control set in the software Should the overheating protection be triggered before resetting the cause must be found and eliminated The display indicates Failed dialo
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