“ SNAKKY ”
Contents
1. u irt LI M CIA Fi Tae See CCS EIE qu d I j gi a FF 1 gli OU rj fic eic 511 Se JA IT T ssl Srt LOL 91 i TT UTD Ee ae CIN ECTS 0 01 i F oW e m F fi 14 0 UTI BEC ail 51i Snakky 6 33R E 32R F Snakky 6 SPA TECHNICAL MANUAL Snakky Manual Snakky 4 23 The machine is designed to operate under a single phase voltage of 230 V AC 5 10V It is protected with two T 6 3 fuses on both phases A safety transformer supplies power to very low voltage components 24 V while the cooling unit and the lamps are powered with the mains voltage With regard to the transformer The primary winding is protected with a T 800 mA fuse The secondary winding 25 V is protected with the following fuses T1A T1A The slide out compartment is fitted with a safety switch 10 The switch is located on the front panel of the power supply unit and when opening the compartment it disconnects the power from all parts that can be accessed for normal maintenance and cleaning operations The only parts that stay energised are those protected by suitable covers carrying a plate with the warning Disconnect power before removing the cover to clear the voltage the power the power supply cable must be disconnected from power outlet The power cable can be supplied as standard feature a2. regulations in accordance with current EC N 2 directives They are completely sheathed and double insulated The door can be completely removed as all cables can be disconnected by means of connectors all starting from the power supply unit FIG 1 All main connections for the different function start from the power supply unit FIG 2 All connections for the vending machine control start from the CPU board push buttons payment systems ratiomotors heating elements display FIG 3 Wiring for trays The 230 V 50 Hz grid power supply is transformed by means of 24 V AC transformer TR then sent to the machine board that rectifies it to DC and sends it to the users through the actuations A relay card for the 230 V AC actuations is located in the power supply box with the function of controlling the cooling unit Positioning of machine board and relevant cables on the central sliding partition NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky 11 23 5 POWER SUPPLY The power supply unit is totally enclosed in a galvanised metal box It is composed of a safety transformer supplying power to all low voltage functions The input from the mains is protected with a main switch and two fuses on both phases It is also fitted with a noise suppressor The CPU boards controls also a relay card for the 230 V 50 Hz actuations Lamps cooling unit and electric fans The same box houses the ballasts
3. Keep the work area tidy Check that the product packages are intact and not damaged 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 Consumables must be kept and transported separate from the cleaning and hygiene products Drums and sectors must be cleaned regularly see operating instructions Do not fill internal zones of the machine with products to be loaded in a second occasion The products that need to be kept at a refrigerated temperature must be transported to the location of the machine in containers that maintain the products at the ideal temperature or in containers that do not allow excessive temperature difference CLEANING THE MACHINE Carefully observe the following cleaning instructions Considering that The Snakky normally dispenses products with a long shelf life but it can be enabled to dispense short shelf life products in this case cleaning must be more frequent and stricter In the following instructions only the cleaning and hygiene operations for the FIRST case are described y v V V YV V YV V V V NN V Clean the machine preferably at the end of the day or in the morning before the machine is used and before loading the products to be sold gt Fill in the checklist log for cleaning operations When the display indicates an error message immediately check the trouble shooti
4. The software allows a new selection to be made and the customer does not lose his credit Check that the cables are correctly connected Check that the cables are efficient Check that the fuses are intact and if necessary replace First identify the cause of the blown fuses Check the power supply cable The transformer s functioning The back of the vending machine can be positioned right against the wall but not in a bank of machines except when the right side is kept free Check for small leaks using a special instrument and detecting foam Restore the charge after eliminating the leak Check the functioning of the neon lamp starter and ballast Check the functioning of the relay card SOR that controls the 230 V AC power supply Check in the special software program that the time band setting is correct Check that microswitches are activated correctly check that cables are not damaged or disconnected Replace the microswitches and or the cables 20 23 11 HACCP DIRECTIVE HACCP DIRECTIVE EEC 93 43 and 96 3 Outline and instructions for use Notes What is indicated by the EC Directive Directives EEC 93 43 and 96 3 concern 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 taken by the vending company aimed at checking identifying and correcting any
5. components replace with original parts Replace the coin mechanism with one that is certain to work and check the communication Check connections Check the CPU board and if necessary replace with that is certain to work Check that the 24 V DC power supply fuse is intact Initialise the CPU again After initialising all data settings will go back to the default settings restore the customised data using the programmer or a PC If in spite of initialising the malfunction persists replace the CPU board with an already tested one that is certain to work It the malfunction persists replace the cables or check the suitability of connections The machine was designed to comply with the EMC directive but if located in an environment subject to high interference immunity problems could arise therefore in the event of such interference persisting the vending machine should be moved to a different location Check the internal resistance in the NTC probe using a digital multimeter A resistance of 730 ohm corresponds to a temperature of 30 C A resistance of 2612 ohm corresponds to a temperature of 0 C melting ice Replace the probe with an original one before installing the new one check that the internal resistance corresponds to the above parameters Reset the failures by accessing the special function 19 23 Problem and or indication on the display The display indicates the message Motor failure n
6. DIAGRAMS POWER SUPPLY AND LIGHTING DIAGRAM 1 2 power supply to EXE coin mechanisms 3 4 connector J14 24 V DC power Supply card 5 6 7 in out connector J3 to board CXI NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky 16 23 Wiring diagram of tray ratiomotor controls NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky 17 23 Wiring diagram of CPU board connection See page 6 for connections NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky 18 23 10 TROUBLESHOOTING Problem and or indication on the display The display indicates the message Compressor The display indicates the message Coin mechanism The display indicates the message RAM data The display indicates the message Probe Possible cause If the compressor runs for 24 hours consecutively without the cabinet reaching the temperature set via the SW the machine is locked and the selection disabled The following could be the cause Lack of gas in the refrigerating circuit Failure to the evaporator s electric fan Failure to the condenser s electric fan or PTC triggered Clogged rear and or side grille Failed probe in this case the message probe failure will be displayed If the CPU for more than 30 seconds does not receive communication impulses from an Executive serial coin mechanism or 75 seconds from a BDV serial coin mechanism or if it r
7. The cooling unit is not positioned correctly and the condenser cooling air does not have sufficient space for adequate circulation The machine is installed in a bank of machines without a sufficient distance from the wall The amount of refrigerant is not sufficient After some time the display indicates the message probe failure or unit failure or both Switching on and off of the lamps can be programmed therefore check that such option was not included in the programming Probable failure to the starter ballast The CPU and payment system compartment door closure is monitored by a microswitch that in the event of actuation with the door open indicates Programming and does not allow the correct function if the warning is with the door closed Check the microswitch NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky Check that there are no interferences to the motor rotation Check that the motor is efficiently running Check that the microswitch is efficiently working Check that in fact there is not a time out If the motor does not pick up at all check the electrical connection ensuring that a 24 V DC reaches the motors If all checks are OK replace the card as the actuation or the software may be malfunctioning The software automatically tries to make the product drop with small movements and if this fails the selection is blocked In this case the failure must be reset after correcting the problem
8. XY The display indicates the message product finished The display indicates a number of trays not corresponding to the real situation The machine does not start and the display is off The refrigerated box does not cool down and the operating temperature is not reached in spite of being correctly set The internal lamps do not light The display indicates the message programming Possible cause At machine start an automatic test routine checks the presence of trays and their number therefore a motor failure is not indicated as they are not activated When a selection is made a microswitch is activated which must close at the end of the cycle should this function not occur the motor locks or continues running because of an actuation card failure In this case a time out is triggered to stop the motor placing it out of service This information can be displayed in the version fitted with infrared sensors And it means that the barrier was not interrupted during a selection due to two possible causes 1 end of product 2 jammed product At machine start an automatic test routine checks the presence of trays and their number therefore if a tray is not indicated it is because it is not electrically detected The vending machine is protected against short circuits with two line fuses one on each phase with fuses on the secondary winding and on CPU board power supply see wiring diagram
9. critical aspects in the foodstuff chain from the purchase of products and machines to the dispensing of the product The HACCP is a system used to analyse any potential risks in the manufacturing and distribution cycle of food product and to identify 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 hygiene condition of each vending machine and when a new machine is added this must be updated immediately Important 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 correct 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
10. for the neon lamps and all main fuses easily accessible from the outside with the door open Grid input Connector and fuse assembly Relay card suppressor S Transformer y PP NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky 12 23 6 COOLING UNIT AND INTERNAL VENTILATION The internal temperature control is by means of an NTC type electronic probe fitted with an internal 2267 ohm resistance 7 ohm at a temperature of 3 C As the internal temperature decreases the resistance is increased progressively as indicated in the following table This variation allows the software to control the internal temperature with extreme accuracy Ref box int Value in ohm Allowed tolerance ae The cooling unit is controlled by the relay card located inside the power supply box and powered at the grid voltage SOR CARD When the machine is started the software reads the value in Ohm from the NTC probe and according to the temperature setting sends a signal to the relay card that activates or deactivates the cooling unit operation The cooling unit is very compact and of the slide in type in any case it is designed to be extracted easily and quickly To access the cooling unit the last tray must be extracted then the anti theft grille and the dispensing compartment must be removed At this point the complete cooling unit can be extracted List of components 1 COMPRESSOR 2 CONDENSER 3 CONDENSER FA
11. Bg NECTA CODE SERVICE MANUAL SNAKKY BASIC TECHNICAL MANUAL THE CONTENTS OF THIS DOCUMENT ARE INTENDED FOR NECTA S AFTER SALES PERSONNEL NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky 1 23 TABLE OF CONTENTS Layout Models Page 3 4 Electrical systems connections and configuration Pages 5 6 7 8 9 Release dispensing storage systems Pages 10 Wiring Page 11 Power supply Page 12 Cooling unit Pages 13 Cabinet Page 14 Door Page 15 Wiring diagrams Page 16 17 18 10 Trouble shooting Pages 19 20 11 HACCP directive Use instructions Page 21 12 Periodical cleaning and hygiene Pages 22 23 1 2 3 4 5 6 7 8 9 NOTE The above systems and functional units are specific to this machine All functional units installed but not listed in this document are also used in other machines in the same range therefore they will be described in a separate manual for machines belonging to the same range where all base functional units will be described more in detail Snakky View of user interface Reference rs pasqa Door opening frame Advertising spaces Provision for bill accepters Machine status information display Provision for key type payment systems Key lock mu uw l 2 aa T wi ae ns FS ox Coin return compartment Product dispensing compartment 8 Selection keypad NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky 2 23 1 LAYOUT MODE
12. LS DESCRIPTION VARIABLES HEIGHT OF TRAYS 96 mm min and up to 219 mm max PARTITIONS PER TRAY Available for configuration PAYMENT SYSTEMS Serial EXE as standard feature I MDB BDV with additional board PITI ee il E i Min B i VEND SYSTEMS With single and double spiral ba j daba dot ud d l i a t3 DIMENSIONS H 1700 x L 700 x D 800 m No OVERALL DIMENSION H 1700 x L 700 x D 1252 FREE 3 URP GEN em psp T ABSORBED POWER 450 W wm it M 1i L1 Du Layout Italy Version 6 30R Meaning Snakky with 6 trays for a total of 30 selections Refrigerated version R a non refrigerated version is also available Country Italy I Approved by IMQ Q if the letter Q is not present it means that such version is not approved by IMQ or that it is awaiting approval NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky 23 Examples of different tray configurations with indication of their position The examples shown below correspond to real layouts indicated on the side in any case there are many configurations options with simple and quick change operations see specific paragraph S wiz 1 ol TDI BI Snakky 6 30R I 27R F Snakky 6 asi 55 117 ors 291 TT QU cu
13. N 4 EVAPORATOR 5 EVAPORATOR FAN 6 PROBE 7 CABLES The software includes the option of setting time bands for switching on or for safety temperatures see details in the programming manual NB A cooling unit is a real SLIDE IN type when it is designed as a complete single piece unit e g the unit installed on the StarFood for the Snakky it is more of a partial slide in type as although it can be removed completely it is not designed as a single piece functional unit Exploded view of cooling unit NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky 13 23 7 CABINET The cabinet is made of pre varnished sheet metal assembled with rivets and various reinforcements pre formed polystyrene foam insulation panels are placed between the external pre varnished sheet metal part and the internal refrigerated box part The advantage of this solution compared to the injected polyurethane foam insulation is mainly form an environmental point of view as in the event of future scrapping of the machine the cabinet can be disassembled completely without any complications almost impossible in the case of cabinet injected with foam The base is made with varnished and welded sheet metal the feet are adjustable for perfect levelling and after removing the lower grille a trans pallet can be used to move the machine As optional feature supports are provided to be placed under the base making it possible to pos
14. TUATION BOARD AND CONNECTIONS to a new selection NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky 5 23 2 1 ELECTRONIC BOARDS CONNECTIONS ELECTRICAL AND BOARD CONNECTIONS LCD display Board NTC Probe Cooling unit control Bord SUC J2 to the ratiomotors 3 tp RS232 port a i Printer PC Programmer Transmitter photodiode card TE Phototransistor card Receiver NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky SP push button card E Payment E system connections iH Electric power supply Lamp control HET m Cooling unit control Grid 230 V 50 Hz 6 23 CPU BOARD SUC The CPU board is housed inside the payment system compartment on the sliding door and includes all low voltage 24 V DC actuations it controls the display the push button card the photodiode barrier the payment system and the NTC probe that monitors that cooling unit temperature The software is written in a Flash EPROM that by means of a special program can be rewritten and updated without replacing It is powered from the power supply unit through connection J15 ref 2 The photodiode barrier is supplied as standard feature in some versions or as an after sales kit CPU BOARD LAYOUT 1 COLOURED LED FUNCTIONS GREEN LED blinking during the normal operation It glows when 5 V DC is present in the board RED LED it glows wh
15. chine form the power supply FIG 1 Remove all trays placing them in a clean area proceeding as indicated in FIG 2 Clean the inside of the refrigerated box with a damp cloth soaked in chlorine based detergents Completely remove the cooling unit FIG 3 thoroughly clean the internal base and make hygienic Remove all the dust from the fans and cooling unit condenser FIG 4 Clean and make hygienic the condensation tray FIG 4 Reinstall the cooling unit Reinsert into the operating position Clean the external parts especially the coin return compartment and the push buttons Reassemble all trays after cleaning the internal product loading parts Thoroughly clean the inside of the dispensing compartment Start the machine and bring the internal temperature to operating value Load all vending products FIG 3 FIG 4 NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky 23 23
16. eceives an impulse for longer than 2 seconds the machine locks and the selections are disabled One or more areas of the RAM contain wrong data which could change the operating default values The machine will continue working but some parameters could have been changed with consequences to the general functioning the RAM needs to be initialised as soon as possible to recover data from the EPROM The temperature control probe in the refrigerated box is of the NTC type with the internal resistance that changes as the temperature changes If the probe is interrupted the machine locks after 5 minutes from the failure and the selections are disabled THE DISPLAY WILL INDICATE THE TEMPERATURE 5 C If there is a short circuit in the probe the machine locks after 60 minutes and the selections are disabled THE DISPLAY WILL INDICATE THE TEMPERATURE 32 C NB AFTER THE SENSOR FAILURE HAS BEEN DISPLAYED FOR TWO HOURS A COMPRESSOR FAILURE WILL ALSO BE INDICATED NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky Normally two to four hours are required to reach the operating temperature according to the load A longer time means that there is a malfunction check for any small leaks in the refrigerating gas circuit if necessary repair the leak and charge with the correct dose of gas Check that the electric fans work correctly Check for the correct cooling airflow inside the refrigerated box In the case of failure to
17. en the software is reset program malfunction Minidip functions 1 4 19 Coin mechanism setting 2 3 By default set to OFF Minidips 1 8 16 Default configuration setting fixed to OFF Both will be eliminated in the near future thus since now the configuration is only via software setting Coin mechanism power supply connector Validator connector Board power supply connector NTC sensor connector Coin mechanism setting minidips Programmer device connector 19 Expansion board connector for BDV EXE 9 10 Photodiode barrier connector 20 Validator connector NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky 7 23 Detail of spiral E j o O O CONNECTOR Ce owl 2 iua TOLTO Le pem 4 D E gt c oU O s TRAY CONNECTION WIRING DIAGRAM 8 23 NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky Description of codes used in the wiring diagrams Ratiomotor noise suppressor condenser Spiral control ratiomotor cam Diode Connector for coin mechanism with Executive protocol MUR foer vr wr w Selection push button card ST Neon lamp starter suc Central processing unit board T Power supply transformer Delayed fuse NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky 9 23 3 VENDING AND LOADING SYSTEMS Snak
18. ition the machine alongside 1830 mm high vending machines As standard feature the Snakky is 1700 mm high BASE SUPPORT Perspective view with support and frame for installation in a bank of 1830 mm high vending machines NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky 14 23 The Snakky is provided with two opening systems main door and side sliding compartment The main door for loading products is of the glass front with double glazing The handle for opening is part of the perimeter profile of the frame and locking is by means of a single lock located inside the Sliding compartment on the right A sliding compartment is located on the side with the user interface integrated on its front panel the CPU board and the payment system compartment are fitted inside on the central wall The following are fitted on the front panel the main display the coin slot and the coin return button the selection keypad and the lock that as well as ensuring a three point lock it keeps the glass door closed The sliding compartment is protected by a safety switch that disconnects the 230 V AC power leaving anyway the option of operating in programming mode by inserting the special key in the Safety switch slot Exploded view of the user interface panel with keypad display coin slot and coin return compartment NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky 15 23 9 WIRING
19. ky is a vending machine belonging to the S amp F range with product dispensing by means of the rotation of spirals During their rotation the spirals push the product loaded onto the tray forward The tray is modular and by simply moving the partitions and the motors one two or three position trays can be used to dispense any products Different pitch spirals are available to be able to load 20 to 76 mm wide products In addition the spirals can have right and left pitch to be used in the case of two spirals in the same partition The rear position motor is fitted with a minidip permitting the inversion of the direction of rotation 1 Adjustable tray motor mi 2 Minidips controlling the f 4 direction of rotation 3 Limit micro switch 4 Three pole connector M ai Example of tray configuration with three partitions a il single one a double one and a triple one Useful pitch 20 30 42 50 60 76 right rotation 30 42 50 60 left rotation The tray is held into position by a stop located on the guides to slide out the tray it need to be lifted slightly and then pulled to the second safety stop To extract it completely it needs to be lifted further and then removed after disconnecting the connector located on the right side NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky 10 23 p i The Snakky is certified by IMQ therefore the ic wiring is complying with the standards and
20. nd chosen among the following types HO5 RN F copper with a x 1 5 section HOBVV F ii HO7 RN F Horn r Fitted with a fixed SCHUKO plug NOTE For UK there is a specific plug conforming to the standards in force which is adopted for that specific market In the event of replacement cables of exactly the same characteristics must be used Since the Snakky vending machine is approved by an electrical I Il safety certification institute IMQ replacements with non original t components are not permitted WEIN Otherwise the electrical safety certificate and the warranty will be Detail of Power supply compartment void A neon lamp is located vertically on the right hand side inside the cabinet the starter is fitted inside the lamp holder The ballast is located inside the power supply compartment The CPU board controls also the 24 V actuations by means of TRIACs and Darlington switches while the lamp and the cooling unit are controlled by a relay card located inside the power supply compartment Some versions are provided with monitoring of the selected product fall into the dispensing compartment by means of a card with receiver transmitter diodes infrared If the barrier is not interrupted it means that a product is finished or jammed and the system will further attempt releasing the product with small rotations if also this fails the selection is disabled and the customer is entitled AC
21. ng sheet Use only recommended cleaning products approved for foodstuff preferably liquid do not use powder and abrasive products that could scratch plastic surfaces NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky 21 23 12 PERIODIC CLEANING AND HYGIENE DAILY CLEANING AND HYGIENE Expected time 3 min Open the door and disconnect the machine form the power supply FIG 1 E I p im D Clean the outside and inside of the glass front E i with suitable detergent Clean the inside of the trays with a cloth dampened with chlorine based detergents Wipe the dispensing compartment and the flap door with a clean cloth before loading the products in the morning FIG 2 Dust all of the inside of the refrigerated box especially the base Enter the operation in the HACCP log L a E E F E FIG 1 WEEKLY CLEANING AND HYGIENE Expected time 6 min In addition to the daily cleaning operations Brush the rear and side amp rr ventilation grilles of the cooling nc WE NE unit using if necessary a 7 SS vacuum cleaner to remove the dust Remove the trays and clean the inside of the refrigerated box check for the presence of insects FIG 2 NECTA SPA TECHNICAL MANUAL Snakky Manual Snakky 22 23 ANNUAL CLEANING AND HYGIENE Expected time 20 min excluding the pull down time Open the door and disconnect the ma
Download Pdf Manuals
Related Search