SERVICE MANUAL “KORINTO” - Expert-CM
Contents
1. 5 Cuptipupsupprt gt 6 Liquidwastecolletioncontainr O o Z 7 Power supply fuses 9 Mainswitkh J 10 Waterinlet solenoid valve O ooo 11 Powersupply cabe O S 12 Coffee grounds container 13 Coffeebrewerunt O O Z O O J 14 Coffesput _ O 15 Powder container compartment _ 16 Upprdor J J J O Hot water dispensing spout 18 Mixerassesmbly O J J J 19 Dispensing compartment o ooo 20 Powdercontanes CC 21 Coffeecontaner _ O 22 CPU Actuationboard C O Z 23 FBunitcontrolboard 24 Exhustfan o J o o ooo 25 Secondary winding fuses ZZ 26 Boiler power supply board O 28 Terminal strip and transformer fuses 29 Interference suppressor filter O O O Z 30 Open top boiler O Z C lozo o o o 31 Boiler protective casing 9 Power supply cable connector 33 Instant boiler solenoid valve assembl N amp W Global Vending2. RAM Data POSSI BLE CAUSE 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 and the solenoid valve remains energised until the water flow is restored If the machine is equipped with an internal water supply tank the pump will be switched off When the float in the liquid waste tray triggers the signal micro switch If the machine is installed on a base cabinet the float is located in the cabinet The machine locks if after 10 selections the float micro switch does not change position The machine will lock if after the maximum time of heating from the machine start or from the last selection there is no signal of correctly reaching the temperature set in the software Failed dialogue between CPU board and can bus board that controls the SIGMA BREWER unit 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 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 N amp W Global Vending TECHNI CAL MANUAL This documen
3. TECHNICAL 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 FB 23 08 06 Pag Pag Pag Pag Pag Pag Pag Pag Pag Pag Pag Pag Pag Pag Pag Pag Pag Pag Pag Pag Pag Pag Pag Pag Pag Pag Pag Pag Pag Pag Page 2 38 1 PLANNED MODELS d ij z 1 MW y dii LEN E M INSTANT VERSI ON ESPRESSO VERSI ON DOUBLE CUP amp SI NGLE CUP ESPRESSO VERSI ON WI TH FROTHER AND CUP WARMER FRESH BREWER VERSI ON 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 VENDI NG KORI NTO FB 23 08 06 Page 3 38 1 1 MAIN EXTERNAL COMPONENTS d aj A ULL ALELA a poi UE Mile ibl Rear view N amp W Global Vending TECHNICAL 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
4. 7 7 T SM Actuation SM 1 Push button and display controlcard LCD P1 P2__ Selectionkeypad NB The above codes are indicated in the following 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 be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDI NG KORI NTO FB 23 08 06 Page 17 38 10 WI RI NG DI AGRAMS 1 1 y E ra n Ii sl rot so ms E E z E Fi Ta li E Mi rni aE t3 li Bi 4 x ui IE ply 1 9 bo T p m Jm P Ha m amp 94 no m m mj aij _ im u ivi u m4 c T HT E GOB peme a 4_ e e nem 5 2 a m 4 ur LU i 2 Na Sr ma nh a a 3 Le Fresh Brewer wiring diagram ami sa a k lt Ir A Um tt rajskih Lily 1 pi i Cep rma Ti ika pp im a x gt a ala IL rm ET a d DM d Pl Tam I nstant wiring diagram N amp W Global Vending TECHNICAL 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
5. 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 varies 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 TECHNICAL 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 FB 23 08 06 Page 31 38 22 ROUTINE AND EXTRAORDI NARY MAI NTENANCE SCHEDULE The vending machine KORINT
6. 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 or the next morning before starting to use the machine N amp W Global Vending TECHNICAL 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 FB 23 08 06 Page 36 38 26 WEEKLY CLEANING AND HYGIENE SCHEDULE WEEKLY CLEANING AND HYGIENE Expected time 6 min 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 2 3 Remove the powder and coffee containers empty and clean them removing all encrustations FIG 4 5 Remove the spouts holder unit clean and rinse thoroughly FIG 8 Remove the mixer assembly clean and rinse thoroughly FIG 7 Remove the accessible parts of the brewer unit clean thoroughly and rin
7. 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 VENDI NG KORI NTO FB 23 08 06 Page 12 38 7 HYDRAULI C LAYOUT FRESH BREWER COMPONENTS OF FRESH BREWER VERSION peg DESCRI PTI ON p DESCRI PTI ON DESCRI PTI ON 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 TECHNICAL 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 FB 23 08 06 Page 13 38 8 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 ELETTRICI PAMMELLU ELETTRICO m irm ort i 0 kaffe EN VN j wmm km LAYOUT OF KORINTO INSTANT AND LAYOUT OF KORI NTO FRESH BREWER AND SELECTION PANEL SELECTION PANEL N amp W Global Vending TECHNICAL MANUAL This doc
8. 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 VENDI NG KORI NTO FB 23 08 06 Page 19 38 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 A um za zma OH o 1 La OLI L Hz ki SM REFERENCE TO RELAY CODE AND ACTUATIONS ESPRESSO VERSION _ Starting pump Starting pump Whipper motor MF1 Whipper motor MF1 Solenoid valve EV3 Solenoid valve EV3 Solenoid valve FB Solenoid valve EV 1 Solenoid valve EV1 Solenoid valve EV 2 Solenoid valve EV 2 Ratiomotor MD1 Ratiomotor MD1 Mains water inlet solenoid valve Mains water inlet solenoid valve Ratiomotor MD2 Ratiomotor MD2 LN LM LM LN La Ke LA me EE E a M LU LL 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
9. setting via SW Safety devices Main switch at the back Main safety switch for opening the door Top panel opening safety micro switch 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 Operating temperature reached N amp W Global Vending TECHNICAL 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 FB 23 08 06 Page 10 38 4 ELECTRICAL SAFETY AND RELEVANT STANDARDS The vending machine KORI NTO 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 DI RECTI VE E
10. 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 Check that the heating element and the STRC card are functioning correctly Check that the overheating control systems were not triggered Check the functioning of the probe ohm control Should the overheating protection be triggered before resetting the cause must be found and eliminated Check the connections Check that the power supply is correct Replace the board Check that connection is correct and the software setting is correct for the protocol If necessary replace the payment system Enter into the installation procedure and initialise the software if the failure persists replace the CPU board Page 33 38 The display indicates the message Fresh Brewer Piston The display indicates the message Fresh Brewer Brush The display indicates the message Machine Lock The mixers Clog Up 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 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 machine is locked upon reaching the number of selections set with the selection counter function Selectio
11. CTI VE HACCP DIRECTIVE EEC 93 43 and 96 3 Outline and instructions for use Notes What is what is 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 correcting 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 mportant notes For a correct use of the machine the directives must be fully applied The operator is responsible for correct operations on
12. EC 73 23 EEC 89 392 EEC 89 336 the low voltage directive covers all eguipment 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 ELECTROMAGNETI C COMPATI BI LI TY Di RECTI VE 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 IMO 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 vending 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 gt REQUI REMENT FOR THE USERS For safety purposes three different operators with different qualifications have been defined USER The user
13. FIG 3 and rinse it with specific hygiene products at the same time rinse the entire hydraulic circuit Carry out all operations planned for the weekly schedule Reassemble all parts taking care not to touch any parts that come into contact with food Make some test selections FIG 7 FIG 5 FIG 6 N amp W Global Vending TECHNICAL 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 FB 23 08 06 Page 38 38
14. GLOBAL VENDING TECHNI CAL AND AFTER SALES SERVI CE SERVI CE MANUAL KORINTO Fresh Brewer Version N amp W Global Vending TECHNICAL 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 FB 23 08 06 Page 1 38 INDEX Fi ODOJOUWURUNHEH PLANNED MODELS MAIN EXTERNAL COMPONENTS MAIN INTERNAL COMPONENTS LIST OF MAIN COMPONENTS TECHNICAL DATA AND FEATURES ELECTRICAL SAFETY AND RELEVANT STANDARDS REQUIREMENT FOR THE USERS HYDRAULIC LAYOUT INSTANT HYDRAULIC LAYOUT FRESH BREWER INTERNAL LAYOUTS ELECTRICAL SYSTEMS CONNECTIONS CONNECTION OF ELECTRONIC BOARDS WIRING DIAGRAMS ACTUATION BOARD CONFIGURATIONS SI GMA BREWER UNIT CONTROL BOARD PUSH BUTTON AND DISPLAY CONTROL BOARD BOI LER CONTROL BOARD PAYMENT SYSTEMS EXPANSI ON BOARD Al R BREAK AND BOILERS INSTANT amp FRESH BREWER FRESH BREWER UNIT SPOUTS ASSEMBLY POWDER PRODUCT CONTAINER AND DOSER DEVICES ASSEMBLY MI XER ASSEMBLY SELECTI ON DOSE TABLE ROUTI NE AND EXTRAORDI NARY MAI NTENANCE SCHEDULE TROUBLE SHOOTI NG HACCP Di RECTI VE DAI LY CLEANING AND HYGIENE SCHEDULE WEEKLY CLEANING AND HYGI ENE SCHEDULE MONTHLY CLEANING AND HYGI ENE SCHEDULE N amp W Global Vending
15. 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 Connector J 2 is connected to the boiler control This board is supplied with the installation kit for the payment systems It must be connected to the control board using the special connector With regard to the communication protocol the two mididips 4 must be set to OFF for Executive and BDV or to ON for MDB Power supply MDB BDV Connection to the payment system Connection to the control board Configuration Minidips BR WN gt N amp W Global Vending TECHNICAL 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 FB 23 08 06 Page 23 38 16 AIR 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 Instant and FB version the air break is incorporated in the boiler For the KORI NTO Instant version only the open top instant boiler is used fitted with a new design level control system already used in the KORO model Fo
16. NI 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 VENDI NG KORI NTO FB 23 08 06 Page 26 38 VIEW WITH ALL PARTS DISASSEMBLED FOR DAILY CLEANING FILTER HOLDER BASE UNIT COMPLETELY REMOVED PERSPECTIVE VIEW MORE IMPORTANT MAINTENANCE THE UNIT MUST BE REMOVED FROM THE MACHINE COMPLETELY N amp W Global Vending TECHNICAL 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 FB 23 08 06 Page 27 38 18 SPOUTS ASSEMBLY Because of the size of the vending machine FIXED SPOUTS have been designed The spouts are mounted onto a tray that is easy to remove for daily cleaning DETAIL OF SUPPORT TRAY BEI NG REMOVED N amp W Global Vending TECHNICAL 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 GL
17. O 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 guality and also guarantees safety standards over time The following table indicates the functional units that must be subjected to periodic maintenance and the freguency of maintenance For the operations to be carried out refer to the specific Functional unit manuals DESCRI PTI ON OF OPERATI ON Max selections frequency 1 Check state of filters and wear of silicone O ring seal Fresh Brewer details in the functional unit manual for FB coffee 4000 1 month brewing Unit 2 Open the unit and check the state of wear and internal 40 000 annual lubrication and if necessary replace and lubricate 1 Check the water tightness in the axial bush and the Mixer correct assembly if necessary replace Assembly 2 Check the wear of the motor brushes and clean off the excess of carbon powder 50 000 annual Assembly check the grade of scaling and if necessary proceed to complete descaling There is not need of any particular maintenance Every day For perfect functioning it is necessary that the powder Steam pep Exhauster Unit removal boxes be emptied periodically In addition daily cleaning ensures also maximum hygie
18. OBAL VENDING KORI NTO FB 23 08 06 Page 28 38 19 POWDER PRODUCT CONTAINER AND DOSER DEVI CES ASSEMBLY According to new market reguirements it was necessary to design new solutions using guick fastening without any screws to allow easy access for maintenance as well as guick changes to the layout by means of preassembled modules MI XER RATI OMOTOR ASSEMBLY BEING REMOVED FROM ITS SEAT DOOR OPEN VI EW OF COFFEE AND INSTANT POWDER CANI STERS RATI OMOTOR REMOVED FROM ITS SEAT Standards components are used already 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 reguired by the particular type of machine MI XER RATI OMOTOR ASSEMBLY VIEWED FROM BELOW N amp W Global Vending TECHNICAL 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 FB 23 08 06 Page 29 38 20 MI XER ASSEMBLY d 4 gt TRAY UNDER THE MI XER BEI NG REMOVED MI XER IN EXTRACTION POSITION DETAIL OF RELEASE LEVER PLASTIC COMPONENTS OF DISASSEMBLED MI
19. 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 VENDI NG KORI NTO FB 23 08 06 Page 9 38 3 TECHNICAL DATA AND FEATURES Height 28 25 ui sat z Width 13 D n Depth 20 75 pr Overall depth with door open 28 5 Weight 7516 Power supply 120V 60Htz Installed power 1300w Absorbed current 11 3a Payment systems used The machine is pre set to use by means of special kits payment b si systems coin mechanisms and 24 V DC validators with EXECUTIVE z za BDV and MDB protocols mue aru mns The payment systems must be housed in the special side module a supplied as optional accessory together with the payment system Puer IE kits Bx Water supply gin il 7 123PSI 0 05 0 85 Mpa 0 5 8 5 bar aM Available adjustments P dp Coffee dose time in tenths of a second M am Water doses for instant products and coffee by timing Powder doses for instant products by timing Boiler temperature adjusted via software Overall size of vending machine Base versions and of base cabinet optional Instant Fresh brewer Installed boilers and temperature One open top boiler for Instant and Fresh brew versions Temperature
20. WITH SOLID GROUNDS CONTAI NER BEI NG REMOVED FRONT VIEW WITHOUT PROTECTIVE CASI NG AND WITHOUT GROUNDS CONTAINER INSTANT BOILER SI DE FRONT VIEW WITH PROTECTIVE CASING BEI NG REMOVED INSTANT BOILER SIDE DETAIL OF POWER SUPPLY CABLE CLAMPING N amp W Global Vending TECHNICAL 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 VENDI NG KORI NTO FB 23 08 06 Page 7 38 FRONT VIEW WITHOUT PROTECTIVE SI DE VIEW WITHOUT PROTECTIVE CASING y conet INSTANT BOILER SI DE y Only for INSTANT VERSION or FRESH BREWER DETAIL OF SOLENOID VALVES FOR I NSTANT BOILER Only for INSTANT VERSION or FRESH BREWER N amp W Global Vending TECHNICAL 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 FB 23 08 06 Page 8 38 2 LIST OF MAIN COMPONENTS N Ref DESCRIPTION 1 Cabinet 2 kek v 3 9 0 0 0 3 Userinteface 1 0 0 0 0 0 4 Selection keypad gt A 4 A
21. XER MI XERS WITH EXTERNAL PARTS SUBJ ECT TO DAI LY HYGIENE 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 VENDI NG KORI NTO FB 23 08 06 Page 30 38 21 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 Coffee Coffee dia Fresh brew beans Instant NOTE 1 The water flow in the mixers is approximately 10
22. a vending machine HACCP Directives EEC 93 43 and 96 3 Guidelines for corectapplication 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 work 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 36 37 amp 38 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 t
23. be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDING KORI NTO FB 23 08 06 Page 4 38 1 2 MAIN INTERNAL COMPONENTS VIEW WITH DOOR OPEN AND DI SPENSI NG COMPARTMENT BEI NG REMOVED DETAIL OF POWDER CANISTER N amp W Global Vending TECHNICAL 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 FB 23 08 06 Page 5 38 REAR COMPARTMENT WITHOUT PROTECTIVE CASING uU NE i L z P x s g nar di ure iz pe te i o s 1 awe pr uma RE siia li ror ti kai fi m Inf E JET hr tro JA M o4 iud DETAIL OF CPU ACTUATION MACHI NE BOARD REAR VI EW WI THOUT PROTECTI VE CASI NG DETAIL OF POWER SUPPLY CIRCUIT AND WATER INLET SOLENOI D VALVE 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 VENDI NG KORI NTO FB 23 08 06 Page 6 38 FRONT VIEW
24. boiler wait until it has cooled down N amp W Global Vending TECHNICAL 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 FB 23 08 06 Page 25 38 17 FRESH BREWER UNIT A specific brewer unit for filtered coffee SIGMA 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 guick and adeguate brewing The following figures show the procedure to be carried out for normal maintenance and daily cleaning PRESSING THE GREEN PINCER WITH YOUR FINGERS REMOVE REMOVE THE COFFEE THE BREWING CHAMBER GROUNDS CONTAINER APPLYING A FIRM ACTION DOOR OPEN WITH VIEW OF BREWER UNIT s r PRESSING WITH YOUR FINGERS THE TWO TABS LOCATED AT THE BASE OF AT THIS POINT THE PUMP THE FILTER HOLDER REMOVE THE CYLINDER CAN BE TAKEN OUT FILTER HOLDER ASSEMBLY APPLYING A FIRM ACTION N amp W Global Vending TECH
25. document may be divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDI NG KORI NTO FB 23 08 06 Page 18 38 11 ACTUATION BOARD CONFI GURATI ONS ACTUATI ON 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 operating 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 ai 1m d Pts dm ru ev jo gla V d i wr 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
26. he 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 reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDI NG KORI NTO FB 23 08 06 Page 35 38 25 DAILY CLEANING AND HYGIENE SCHEDULE Daily cleaning and hygiene ESPRESSO VERSION Expected time 6 min Open the door FIG 1 Remove the dispensing compartment and the tray Clean and rinse the components thoroughly under current water FIG 3 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 Fig 2 Slide out the external mixer assembly and k Fig 1 disassemble it FIG 5 6 clean and rinse out thoroughly all residue Remove the accessible plastic parts of the brewer unit clean and rinse with hot water FIG 7 8 9 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
27. 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 REFI LLI NG AND ROUTI NE CLEANI NG 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 TECHNI CI AN 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 divulged to a third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDI NG KORI NTO FB 23 08 06 Page 11 38 6 HYDRAULIC LAYOUT INSTANT INSTANT VERSION COMPONENTS m DESCRI PTI ON ma DESCRIPTION mr omcumor _ DESCRI PTI ON Water solenoid valve 5 Boiler assembly aa Boiler vent tube L7 Rae 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
28. n counter Failed rotation of the mixer Excessive instant product dose Steam exhaust box clogged Water to powder ratio not correct N amp W Global Vending TECHNICAL 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 FB 23 08 06 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 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 Remove the coffee grounds container empty it and replace it Reset will be automatic 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 Page 34 38 24 HACCP DI RE
29. ne of the machine If the boilers and the solenoid valves operate with soft According to Every 6 Boiler And water or are fitted with specific softener filters the should the water months Solenoid Valve be no need of periodic maintenance otherwise periodically hardness 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 TECHNICAL 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 FB 23 08 06 Page 32 38 23 TROUBLE SHOOTI NG PROBLEM and or indication on the display The machine does not go into the boiler heating phase and the display shows the message WATER FAILURE The display indicates the message Waste container full The display indicates the message Air break The display indicates the message Boiler The display indicates the message CAN BUS board The display indicates the message Coin mechanism only if eguipped with a payment system The display indicates the message
30. pe of malfunction See relevant section in the functional unit manual for details photos and complete description BOI LERS 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 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 VENDI NG KORI NTO FB 23 08 06 Page 24 38 Boiler temperature C Value in ohm Allowed tolerance 35875 12000 Description for disassembling First remove the front protective casing 1 and to accomplish this remove the side panels that close the internal frame and undo the front fastening screws 2 then slide out the panel Undo the two screws 3 that partly secure the casing Take out the casing Remove the boiler disconnecting both hydraulic connections and wiring connections Before removing the
31. r the Fresh brewer model the same open top instant boiler used in the Instant version is adopted 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 For further technical information see the functional unit manuals OPEN TOP BOILERS Instant amp Fresh Brewer models SI DE VIEW WI THOUT PROTECTI VE CASI NG OPEN TOP BOILER COMPARTMENT OPEN TOP BOILER DETAIL OF SOLENOI D VALVES AND OVERHEATI NG PROTECTI ONS 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 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 ty
32. se with hot water FIG 9 10 11 Reassemble all parts taking care not to touch any parts that come into contact with food Make some test selections 7 Fig 9 10 11 N amp W Global Vending TECHNICAL 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 FB 23 08 06 Page 37 38 27 MONTHLY CLEANING AND HYGIENE SCHEDULE Monthly cleaning and hygiene or every 5000 selections Expected time 18 min 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 SIGMA BREWER unit from the machine FIG 1 disassemble all accessible plastic parts FIG 2 FIG 1 3 4 carry out the maintenance operations indicated in the specific manual and more specifically clean or replace the filters and lubricate the seals Remove all coffee residue using compressed air check and if necessary replace the gaskets and the filters Remove the side casing to access the boiler assembly FIG 5 6 7 remove it empty it
33. t 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 VENDI NG KORI NTO FB 23 08 06 SOLUTI ON 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 Empty the tray removing it from the lower section of the cabinet Check the operation and correct functioning of float and micro switch 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
34. 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 VENDI NG KORI NTO FB 23 08 06 Page 21 38 13 PUSH BUTTON AND DI SPLAY CONTROL BOARD This board controls the display the selection buttons and the programming button It supports the coin mechanism connectors as well as the printer port 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 8 12 Vdc validators 9 Not used 10 RS232 serial port 11 Not used 12 Programming access button 13 Wash button 14 Display card 15 Push button board connectors N amp W Global Vending TECHNICAL 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 FB 23 08 06 Page 22 38 14 BOILER CONTROL BOARD 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 J3 is connected to a 120 V AC phase Connector
35. third party or reproduced partially or entirely without the prior permission of N amp W GLOBAL VENDI NG KORI NTO FB 23 08 06 Page 20 38 12 SIGMA BREWER UNI T CONTROL BOARD SI GMA BREWER CONTROL BOARD X This board is located at the back of the machine see fig uti t processes the information from the brewer unit and controls its functions The board also controls the dispensing of fresh product and the flow diverter solenoid valve from spout external nozzle ey The 24 VAC voltage necessary for operating the board is EI supplied by the transformer protected by a 800 mAT fuse on i the primary winding and by a 3 15 AT fuse on the secondary winding the voltage is rectified and stabilised directly by the board The green LED 7 indicates the presence of 5 V The green LED 8 indicates the presence of 34 V DC variable The green LED 9 indicates the presence of 34 V DC z Ea IN BIN Rey 81 BANS 3 Sigma Brewer connector Sigma Brewer connector Sigma Brewer connector Sigma Brewer connector 7 Sigma Brewer connector Sigma Brewer connector Sigma Brewer connector Sigma Brewer connector T Sigma Brewer connector Sigma Brewer connector Sigma Brewer connector TEM DETAIL OF SIGMA BREWER CONTROL BOARD N amp W Global Vending TECHNI CAL MANUAL This document was produced by MARK AC for the exclusive use of the
36. ument 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 FB 23 08 06 Page 14 38 9 ELECTRI CAL SYSTEMS CONNECTI ONS 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 HO5 RN copper with a 3 x 1 5 mm section 2 HO5VV F 3 HO5VV F 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 IMO replacements with non original components are not permitted Otherwise the electrical safety certificate and the warranty will be void Electric fan Secondary Main switch winding f
37. uses and power transformer and supply fuses boards Transformer e Interference Door opening suppressor filter Safety switch FB brewer unit control board Panels opening safety switch Boiler C A control Actuation board board CPU Power users connections Power users connections N amp W Global Vending TECHNICAL 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 VENDI NG KORI NTO FB 23 08 06 Page 15 38 9 1 CONNECTION OF ELECTRONI C BOARDS View of power supply unit compartment and control boards d 2 itono sem omase _ NNNM 5 remas _ boier cool imi _ 8 merterence suppressor fter rrome _ Pove sti caie N amp W Global Vending TECHNICAL 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 FB 23 08 06 Page 16 38 BLOCK CONNECTIONS DIAGRAM DESCRI PTI ON SAL SM FB Sigma brewer control board where provided
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