COFFEtek VITRO S2 Series Technical Manual Download Page 8

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VITRO S2/3

Revision 1

28/02/2017

SERVICES REQUIRED

Electrical Supply

(a)

Single Heater Operation

Supply voltage :

230V~, 50Hz, single phase, fused supply

Current rating :

10A/16A

(b)

The fused electrical supply should terminate at an appropriate isolator located within
1m of the beverage machine.

Water Supply

(a)

15mm dia. Water mains supply, terminating at a convenient stop tap located within
1m of the beverage machine.

(b)

Water pressure : 0.1 MPa minimum, 0.8 MPa maximum

(c)

A 15mm double backcheck valve, with inspection port, should be fitted prior to the
flexible hose. The mains Water Supply should be fitted with a suitable water blocker.

Summary of Contents for VITRO S2 Series

Page 1: ...VITRO S2 3 RANGE TECHNICAL MANUAL 81038540 Revision 1 ...

Page 2: ...lling Overflow Protection 11 ELECTRICAL AND ELECTRONIC SYSTEM 12 Functional Description 12 Circuit Description 13 SECTION 2 PROGRAMMING 14 INTRODUCTION 14 INTERNAL KEYPAD LAYOUT 15 KEYPAD FUNCTIONS 15 OPERATOR PROGRAM 16 ENGINEER PROGRAM 18 Program Options 19 SECTION 3 INSTALLATION AND MAINTENANCE 44 INTRODUCTION 44 SAFETY WARNINGS 45 FROST WARNING 46 INSTALLATION 46 Location 46 Levelling 46 Secur...

Page 3: ...INSTANT UNITS 54 CLEANING THE COFFEE BREWER 54 RESET COUNTERS 56 WEEKLY HYGIENE 57 CLEANING TEA BREWER 57 CLEANING INSTANT UNITS 57 FILLING PRODUCTS 59 FILLING BEAN HOPPER 59 FILLING PROCEDURE INSTANT TEA 59 FAULT FINDING GUIDE 60 SECTION 4 SCHEMATIC AND EXPLODED PARTS DIAGRAM 62 ...

Page 4: ...the beverage machine which may affect the information contained in this manual 4 The Vitro S2 3 Beverage Machine is designed for indoor use in an environment with an ambient temperature range of between 1ºC and 40ºC 5 THIS APPLIANCE CAN BE USED BY CHILDREN AGED FROM 8 YEARS AND ABOVE AND PERSONS WITH REDUCED PHYSICAL SENSORY OR MENTAL CAPABILITIES OR LACK OF EXPERIENCE AND KNOWLEDGE IF THEY HAVE B...

Page 5: ...5 28 02 2017 Revision 1 VITRO S2 3 This page is intentionally blank ...

Page 6: ...ion is made via a capacitive key selection The drink is then dispensed in the required quantity The machine does not accept money but a feature such as this can be added 3 The status of the machine may be monitored and the configuration altered by accessing a program using the keypad and display The program offers a menu of options each consisting of a number of sub options which can be altered 4 ...

Page 7: ...7 28 02 2017 Revision 1 VITRO S2 3 ...

Page 8: ...minate at an appropriate isolator located within 1m of the beverage machine Water Supply 6 a 15mm dia Water mains supply terminating at a convenient stop tap located within 1m of the beverage machine b Water pressure 0 1 MPa minimum 0 8 MPa maximum c A 15mm double backcheck valve with inspection port should be fitted prior to the flexible hose The mains Water Supply should be fitted with a suitabl...

Page 9: ... head A plastic agitator is located inside of the milk topping and chocolate canister to ensure free and consistent flow of product Additionally a whipper unit located beneath the mixing bowls ensures that the product and water are correctly mixed The ingredient canisters must be removed for filling of the products and when all three canisters are removed and steam hoods of the mixing bowls are re...

Page 10: ...elected beverage Solenoid operated valves distribute the hot water to the selected mixing bowl the amount of water being determined by the program setting 19 The temperature of the water is monitored by the Controller Board via a sensor inserted into the tank thus causing the supply to the heater to be removed when the water in the boiler reaches its required temperature setting If the temperature...

Page 11: ...the machine off and on Note An empty tank may take several cycles to fill completely 22 The second protective mechanism is designed to act as a fail safe in the event that a slow leak occurs which does not result in the liquid entering the drip tray The machine will cease all attempts to fill the tank after 20 tank top ups have been made if no selections have been taken in the meantime FIG 1 2 WAT...

Page 12: ...m Program tasks the microprocessor with continually checking the status of the input devices keypad probe etc and responding to data received by signalling the output devices LCD display motors whippers etc to take the appropriate action The System Program also requests the microprocessor to interrogate the variable settings in NVRAM and to modify its actions accordingly 26 Output transistors and ...

Page 13: ...des DC supplies of 24V 12V and 5V The 24V dc output supplies the ingredient motors whipper motors extract fan SSR and solenoid operated valves The 12V dc output supplies the MPU Controller Board and operational coin acceptor if fitted 30 The MPU Controller Board continually checks the status of input devices connected to plugs J1 and J3 and responds to any change of state by signalling the operati...

Page 14: ...both the Operator and the Service engineer but the Engineer s Program is only available to the SERVICE ENGINEER 2 Both the programs are stored in programmable read only memory on the Controller Board The values and settings Variables which the program allows the programmer to alter are stored in NVRAM non volatile random access memory 3 Settings are maintained without the need for back up battery ...

Page 15: ...tal vends dispensed and resetting the drink dispensed counters if applicable Additionally the operator can set the machine to Out of Service if required 5 Keypad functions when used in the Operator s programming mode are as follows Key ENTER used to access a function Key PROG used to access the operators program then used to change menu functions ARROWS UP DOWN LEFT RIGHT are used for adjustments ...

Page 16: ...ions are as follows Total Vends Reset Counters Disable Vends Reset Grout Counter View Ingredient Counters Machine Serial No TOTAL VENDS 9 Access the Total Vends Count option using PROG key the display will show total vend count RESET COUNTERS 10 Access Reset Counters by using PROG key to clear drink counters press ENTER The display will show ARE YOU SURE ENTER Y ESC N DISABLE VENDS 11 Access the D...

Page 17: ...ITRO S2 3 the first counter then press the UP arrow to scroll through the others MACHINE SERIAL NUMBER 13 Access the MACHINE SERIAL NUMBER by pressing the PROG key until the machines serial number is displayed on the LCD display ...

Page 18: ...cessed before the Engineer Program can be accessed the operation is as follows Press PROG to access the Operator Program the display will show PRESS DRINK TO DISPLAY COUNTER Press PROG again the display will show TOTAL VENDS Now press the Star key on the internal keypad The display will now show SELECT DRINK TO MODIFY ...

Page 19: ...H MENU USB ACTIVITIES SET MACHINE SERIAL No Inhibited by default only appears when enabled I2C STATUS SET DATE AND TIME TIMED EVENTS TANK STATUS CHANGE SETTINGS PRESS DRINK FOR FIXED COUNTERS EDIT BIN NAMES SET FACTORY DEFAULTS LEAVE ENGINEER PROGRAM 16 Repeated pressing of PROG key causes the program to scroll through the options in the above sequence Therefore a specific option is accessed by pr...

Page 20: ...3 If a milk ingredient duration is set then these additional settings will also appear CBRW WTR1 CBRW WTR2 CBRW LOCK DELAY CBRW AIR1 CBRW AIR2 CBRW SHOT If the coffee ingredient is set and the machine has a coffee brewer these variables will become visible for customization of the brewer component of the drink TBRW WTR1 TBRW WTR 2 If the tea ingredient is set and the machine has a tea brewer these...

Page 21: ...ton becomes a GOING LARGE ALT KEY key If pressed the machine will emit two beeps to show it is in large alt mode and the next drink to be selected will use the alternative set of presets associate with the other selection buttons Typically these alternate selections will have been set to give a larger version of the standard drink in order to realise a GO LARGE function Equally though the alternat...

Page 22: ... motor starts in tenth of a second ING D 000 Duration Time for which ingredient D motor runs in tenths of a second WATER D 000 Start Time after button pressed that dispense valve associated with ingredient A B mixer system opens WATER A 000 Duration Time for which A B dispense valve opens in tenths of a second WATER D 000 Start Time after button pressed that dispense valve associated with ingredie...

Page 23: ...mple set to 2 for a two cup pot SCALE FACTOR 100 Scale factor applied to basic drinks settings To accommodate different drink sizes Operates on all settings together To adjust the drink first select the parameter you wish to change For example to adjust the Coffee strength scroll through to the parameter controlling the run time for the coffee ingredient motor The display will show for example COF...

Page 24: ...her drinks for instance a Café Latte might use an existing Cappuccino drink as a template 22 To move or copy a drink Press the ENTER key on the MOVE OR COPY DRINK menu The Display will show SELECT DRINK TO MOVE OR COPY Press the key of the drink that you wish to move or copy Once you have done so the keyboard led of that drink will remain illuminated The display will now show PLEASE SELECT DESTINA...

Page 25: ...red device is displayed use the STAR key to switch the device ON OFF For example to operate the coffee mixer motor select COFFEE WHIPPER by pressing until it appears in the display window then press STAR to switch the motor ON CHANGE PRICE OF OR INHIBIT DRINKS 25 The CHANGE PRICE OF OR INHIBIT DRINK option allows individual drinks to be priced or inhibited Changing the price inhibiting on a paid m...

Page 26: ...enu Description CHG BT DEV NAME Change the name of the Bluetooth Interface PCB of the machine CHG APP X DRNK 1 Modify the drink settings related to Extra Drink 1 for the Application CHG APP X DRNK 2 Modify the drink settings related to Extra Drink 2 for the Application CHG APP X DRNK 3 Modify the drink settings related to Extra Drink 3 for the Application CHG APP X DRNK 4 Modify the drink settings...

Page 27: ...DATA Writes the machine audit data to the USB device SETTINGS CSV Outputs the machine settings in human readable format The file can be opened with Excel on a PC TOUCH FW UPDATE Updates the firmware on the Touch PCB SAVE TIMED EVENTS Takes only the timed event data RESTORE MACHINE Restores the settings from a previous cloned machine LOAD M C CONFIG Loads the configuration data from a previously sa...

Page 28: ...play will show MACHINE CONFIG WRITTEN OK If a USB stick is not detected on entering the USB activities menu the display will show PLEASE INSERT USB STORAGE DEV PLEASE NOTE Do not remove the USB stick during the file writing process 31 For a custom filename select NO when the display is on the default file screen The display will then show FILE 4567890 ABCDEFGH FLASHING DIGIT The filename can be up...

Page 29: ...owed by the LEFT key the display will show FILE AA FLASHING DIGIT 234567890 ABCDEF Press DOWN to move the cursor back to the bottom line and then press the STAR key to select the correct character The display will show FILE AB 34567890 ABCDEFG FLASHING DIGIT Press the ENTER key when you have finished editing the filename or ESCAPE to cancel the operation If you select ENTER the file will be copied...

Page 30: ...E menu configures the Real time clock facility now available on the control board 35 To set the date press ENTER on the SET DATE AND TIME menu The display will show SET DATE ENTER OR ESC Press ENTER and the display will change to SET DATE SAT 07 01 2000 FLASHING DIGIT Use the UP key to increase or DOWN to decrease or press LEFT RIGHT to move the cursor Once the date is correct press the ENTER key ...

Page 31: ...TER on the TIMED EVENTS menu and the Display will show Where 1 Daily event or block event selector A daily event would happen everyday at the specified time A Block event would happen continuously between the two times specified 2 Is the Start time in 24 hr format 3 Is the Stop time in 24 hr format 4 Is the start day of the week for this timed event 5 Is the stop day of the week for this timed eve...

Page 32: ...he value 380 is a number corresponding to the temperature setting The value 0 0 is the element status Press PROG to exit from the TANK STATUS option and access the next Engineer s Program option Set the Credit Lock to 0 CHANGE SETTINGS 38 CHANGE SETTINGS allows alteration of the following machine settings There are several submenus that cover various aspects TEMPERATURE SETTINGS MACHINE SETTINGS M...

Page 33: ... out of service Setting this to 1 sets the machine out of service GLOBAL SCALING 100 Adjustment of cup volume of drinks All aspects of drink are scaled i e product whipper water DRY VEND FLAG 0 Enables product only operation 0 Water On 1 Water Off SERIAL NUMBERS The machines serial number can be entered so that it can be viewed on the LCD display By default this facility is disabled BEHAVIOUR CODE...

Page 34: ...care should be taken when changing this value SILENT KEYS When set to one this variable disables the beep when a key is pressed on the machine Note that this does not disable the buzzer completely all other sounds warning or otherwise will still be audible LEVELS RETRY If set to 1 this will attempt to refill the tank when encountering a tank fill fault QUICK DRINK TEST If set to 1 this will allow ...

Page 35: ...ster B Used when behaviour code is set on INGRED MONITOR BIN WT C Weight of ingredients in canister C Used when behaviour code is set on INGRED MONITOR BIN WT D Weight of ingredients in canister D Used when behaviour code is set on INGRED MONITOR FLUSH TIME HRS 029 This function comes into operation if the BEHAVIUOR CODE is set to FLUSH TIME OUT the machine will function normally until the number ...

Page 36: ...ugh credit COIN POD BUSY ANIMATION 010 CHIPKNIP PUB PURSE Prevents credit from showing CREDIT LOCK 0 Disables all access to machine programs 0 Credit Lock disabled default setting 1 Credit Lock active When Credit Lock is set to 1 Credit Device and Credit Lock settings are not displayed Additionally Select Drink to Test Select Drink to Restore Presets Change Price or Inhibit Drinks and Initialise o...

Page 37: ...s not accepted 1 is accepted EXACT CHANGE BILLS The bills accepted in exact change mode 0 is not accepted 1 is accepted MASK AUTO CONFIG Use this to make the Vitro and the coin mech communicate CHANGER MODE Single Vend Vends one drink then gives change Multi Vend Vends drinks up to the value of credit Change is given when the reject button is pressed VEND BEFORE CHANGE If set on will enforce a ven...

Page 38: ...VITRO S2 3 Revision 1 28 02 2017 38 TIMEOUT cashless device such as a card reader ...

Page 39: ...OIN TYPE 3 5p EDIT COIN TYPE 4 10p EDIT COIN TYPE 5 20p EDIT COIN TYPE 6 50p OVERPAY CREDIT How much extra credit the acceptor has taken as it doesn t give change AUDIT SETTINGS 43 Settings Description ONE TOUCH AUDIT Set to 1 to turn on one touch audit AUDIT FILE FORMAT What type of file the audit uses DDCMP ADDRESS 001 AUDIT BAUDRATE 9600 ...

Page 40: ...ption DAYLIGHT SAVING If daylight saving applies to clock IGNORE RTC Ignore real time clock for timed events ECONOMY DELAY 20s LIGHTING SETTINGS 45 Settings Description BACKLIGHT STANDBY On off flash alternate BACKLIGHT VENDING On off flash alternate BACKLIGHT VEND COMPLETE On off flash alternate BACKLIGHT ERROR On off flash alternate DOWNLIGHT STANDBY On off flash alternate ...

Page 41: ...o use when the RGB light behaviour is set to custom It is defined by Red Green and Blue values PRESS DRINK FOR FIXED COUNTERS 46 The PRESS DRINK FOR FIXED COUNTERS option allows the engineer to view the resettable vend counters associated with a selected drink Press the drink selection key on the keypad Press prog to exit from the PRESS DRINK FOR FIXED COUNTERS option and access the next Engineer ...

Page 42: ...e starts up the display will show BOOTING 001 49 The lower line of the display is the Bootloader version number and is not to be confused with the actual firmware version number that can be loaded onto the control board to run the machine 50 All firmware must be stored in COFFETEK ZMCU FIRMWARE on the USB flash drive On an operational machine any USB activity which saves data to the flash drive wi...

Page 43: ...nally the board is programmed with the new software Once completed successfully the display will show FIRMWARE UPDATED REMOVE ENG LINK 58 IF ESCAPE is pressed or there is a problem with the programming the display will show REMOVE ENG LINK 59 Once the Engineer s link is removed there will be three short beeps before the machine then restarts with the newly programmed software 60 After programming ...

Page 44: ...ny procedure which is found to be impracticable inadequate or inaccurate should be reported to the Management for further investigation 3 The requirements of proper hygiene in respect of food products must be ensured at every level of contact with the beverage machine and the ingredients associated with it 4 In compliance with current regulations the materials used in the manufacture of the bevera...

Page 45: ... is designed for indoor use in an environment with an ambient temperature range of between 1 C and 40 C The machine should be located close to the appropriate electrical and water services with a minimum of 100mm 4in clearance between the rear of the cabinet and the wall to allow adequate ventilation and if in a corner location not closer to the right hand wall than 400mm 16in to accommodate openi...

Page 46: ...erage machine is designed for indoor use in an environment with an ambient temperature range of between 1 C and 40 C The machine should be located close to the appropriate electrical and water services with a minimum of 100mm 4in clearance between the rear of the cabinet and the wall to allow adequate ventilation and if in a corner location not closer to the right hand wall than 400mm 16in to acco...

Page 47: ...47 28 02 2017 Revision 1 VITRO S2 3 ...

Page 48: ...ithin 1 5m of the machine to ensure correct fitting of the hose If possible the outlet should be located behind the machine to prevent misuse 10 Before connecting the machine hose to the mains outlet flush the system via the stopcock to remove any impurities that may have accumulated in the mains supply pipe 11 Connect the machine hose to the mains outlet using the seals supplied and ensure that a...

Page 49: ...30V 10A or 16A single phase supply The mains cable must be connected to the supply via a safety isolator switch preferably located behind the machine Ensure that the supply to the isolator switch is isolated before making the connections Ensure that the supply to the beverage machine is isolated before making any connections to the terminal block The machine must be earthed 14 Connect the beverage...

Page 50: ...m a 230V 10A 13A supply are as follows LIVE BROWN NEUTRAL BLUE EARTH GREEN YELLOW Important Where a beverage machine is to be connected to a 13A UK domestic socket outlet a 3 core power cable capable of carrying a minimum current of 13A Part No 54416 must be used This cable is fitted as standard ...

Page 51: ...which have been removed Remove the solenoid operated valves and the thermostat probe from the tank Check the heater element for signs of deterioration Replace if necessary Descale the tank in the approved manner After descaling flush the tank thoroughly with cold water refit the solenoid operated valves and thermostat probe and install and reconnect the tank to the machine Restore the electrical s...

Page 52: ...ith the SAFETY PRECAUTIONS for the machine the importance of hygiene and regular cleaning is fully appreciated by the Operator 20 With the water and electrical supplies connected to the machine proceed as follows Set the On Off switch on the machine to OFF Isolate the electrical supply from the machine Open the cabinet door and locate the waste tray Ensure that the overflow pipes are not trapped R...

Page 53: ... switch on the machine to OFF Isolate the electrical supply from the machine Check all hose connections for leaks Clean the interior and exterior of the cabinet Restore the electrical supply to the machine Set the On Off switch on the machine to ON Operate the machine through the complete range of dispense operations and check that each one is correct ...

Page 54: ...the machine Note Some of these operations should only be performed in machines that incorporate tea or coffee brewers If your machine doesn t incorporate these elements perform the next step Cleaning The Coffee Brewer Set the On Off switch on the machine to OFF and isolate the mains electrical supply from the machine Unlock and open the cabinet door Remove the ingredient canisters Wipe clean the e...

Page 55: ... carriage removed The procedure is to compress the tension roller between left hand forefingers and thumb A Then push in and rotate the red lever approximately an 1 8th turn clockwise B Having rotated the lever allow it to return in direction C to lock the tension rollers in the compressed position The belt should be free to rotate and can be removed by sliding it back and forth whilst pulling it ...

Page 56: ...before proceeding to the next section Replace the grouts collection bucket and refit the front cover ingredient canister Turn on the power Note the brewer will cycle to reach its home position RESET COUNTERS Press star key centre of internal keypad to bring up menu Screen will change to GROUP TRANSIENTS Use up or down arrow to scroll between GROUP TRANSIENTS and GROUT BIN Reset GROUT BIN Formatted...

Page 57: ...leaning Instant Units On a weekly basis an identical procedure to that described under DAILY HYGIENE should be carried out with the following additional activities The ingredients should be removed from the canisters and the canisters washed and allowed to thoroughly dry before being refilled with ingredients and restored to the machine It is recommended that the canisters be left to dry overnight...

Page 58: ...nd lift off the steam trap Remove the mixing bowl and whipper housing by pulling towards you Remove the whipper impellor red seal and PTFE washer by pulling toward you Clean all the whipper parts in hot water using the recommended sterilising agent and dry them thoroughly 1 Remove the extract chamber from the canister shelf Wash and dry the cover 2 Clean all accessible inner and outer surfaces of ...

Page 59: ...nter Lift out the product canister Remove lid of canister and fill with correct ingredients to within 3cm of top of canister Do not overfill canister or compress the product in canister Wipe the exterior of the canister with a clean damp cloth using the recommended cleaning agent Dry the canister with a clean dry cloth or paper towel Return the canister to the machine Remember to turn the ingredie...

Page 60: ...ure probe wet a Check and replace b Reset trip c Check desired temperature setting d Check tank and descale if necessary e Check relay f Dry probe and check No motor operation a Jammed motor b Power Supply failure safety trip a Check motor operation b Reset power Machine inoperable no display a Power Supply failure a Replace Power Supply Board Heater tank not filling a Low water pressure b Inlet v...

Page 61: ...rectly positioned a Check fan b Fit steam hoods to mixing bowls and position correctly Machine floods a Dispense pipes incorrectly fitted to dispense head b Mixing bowls incorrectly fitted c Whipper seals missing d Overflow pipe incorrectly fitted a Reposition pipes b Reposition mixing bowls c Check seals d Refit overflow pipe No display a Display connector loose a Refit connector TEMP LOW display...

Page 62: ...VITRO S2 3 Revision 1 28 02 2017 62 Section 4 Schematic and Exploded Parts Diagram ...

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