VKI Technologies Eccellenza touch Service Manual
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VKI Technologies Eccellenza touch Service Manual

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September 2, 2015
Service Manual
VKI Publication #100309-001

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Summary of Contents for VKI Technologies Eccellenza touch

  • Page 1 September 2, 2015 Service Manual VKI Publication #100309-001...

  • Page 2: Contact Information

    VKI Technologies Inc. © 2015 The information and contents of this publication are property of VKI Technologies Inc. No part of this publication can be reproduced, reused, modified or published in any format without the written permission of VKI Technologies Inc.

  • Page 3: Table Of Contents

    Eccellenza Touch Table of Contents SECTION 1 - Safety Information & Equipment Specifications ..........5 Safety Symbols ..............................5 Important Safeguards and Precautions ........................ 6 Specifications ................................ 8 Capacities ................................8 Equipment Dimensions ............................8 Installation Dimensions ............................8 SECTION 2 - Care and Maintenance ..................9 Daily Care - Caretaker ............................
  • Page 4 Service Manual SECTION 6 - Water System ....................45 Draining the Water Tank............................. 45 Replacing the Outlet Valve(s) ..........................46 Removing the Water Tank ..........................47 Replacing the Temperature Probe and Water Level Probes ................47 Replacing the Heating Element ........................... 48 Installing the Water Tank Assembly ........................

  • Page 5: Section 1 - Safety Information & Equipment Specifications

    Eccellenza Touch E C T I O N Safety Information & Equipment Specifications Your safety is extremely important to us. To avoid personal injury or damage to the equipment and its surrounding areas, it is imperative that you read and understand the safety information outlined in this section before proceeding with the installation and operation of this equipment.

  • Page 6: Important Safeguards And Precautions

    Service Manual Important Safeguards and Precautions This equipment is designed for indoor use ONLY and must never be installed outdoors.  The installation of this equipment must comply with all municipal, state/provincial, and  federal electrical and plumbing codes. Installation and servicing of this equipment must only be performed by qualified ...
  • Page 7 Eccellenza Touch Use caution when servicing the water tank or any of its components - the water in the  tank and the tank components may be extremely hot and can cause severe burns. Use caution when working inside this equipment as there may be sharp edges on some ...

  • Page 8: Specifications

    Service Manual Specifications Voltage Rating 120 Volts AC @ 60hz (120 Volt Model) Heater Wattage 1300 Watts Weight 76 lbs (34.5 kg) Cup Sizes 8-oz, 10-oz, 12-oz Temperature Electronic Probe Control Heating Time 20 minutes after install Brew Temperature 203°F (95°C) Heater Protection Overflow Protection Yes Circuit Protection...

  • Page 9: Section 2 - Care And Maintenance

    E C T I O N Care and Maintenance To keep the Eccellenza Touch running efficiently and at peak performance, the following maintenance procedures must be performed at their specified intervals. It is recommended that equipment maintenance be scheduled at a time that would be the least disruptive to your customers.

  • Page 10: Every 3 Years - Service Technician

    Service Manual Every 3 Years - Service Technician ► Replace the following: heater element, thermal cut-off switch, external relays, all seals and gaskets and o-rings. ► Refurbish the Brewer - the brewer must be disassembled and all worn components must be replaced. Miscellaneous ►...

  • Page 11: Section 3 - Error And Reminder Messages

    Eccellenza Touch E C T I O N Error and Reminder Messages Main Screen Message Displayed Condition Action(s) Required Backend Services Unreachable. Trying The connection was lost. Will reconnect automatically. to reconnect... • System Starting • Waiting for initialization • System initialization •...
  • Page 12 Service Manual System Status Screen Message Displayed Code Condition Action(s) Required 1 - Check the wiring and connections Blower & Fan current is above the for the powder system blower. Blower & Fan current is over safety recommended safety level. Fan may 2 - Clean any accumulation from the level be drawing too much power.
  • Page 13 Eccellenza Touch Message Displayed Code Condition Action(s) Required 1 - Check to see if the coffee Coffee dispenser motor current has dispenser motor is jammed. Coffee Dispensers current is over exceeded the maximum operating 2 - Reboot the machine. safety level level.
  • Page 14 Service Manual Message Displayed Code Condition Action(s) Required 1 - Inspect wiring and connections to the heater relay and heater Heater current is close to maximum Heater's current is close to critical element. operating level. Heater may be level 2 - Heater element may be drawing drawing too much power.
  • Page 15 Eccellenza Touch Message Displayed Code Condition Action(s) Required 1 - Check the wiring and connections Powder Dispensers current is under Powder Dispenser current is below to the powder dispenser motor. minimum operation level the minimum operating level. 2 - If message persists, replace the powder dispenser motor.
  • Page 16 Service Manual Message Displayed Code Condition Action(s) Required 1 - Check wiring and connections to heater relay, heater element and control board. 2 - Heater relay may need to be Water temperature is not rising while Water temperature is not increasing replaced.

  • Page 17: Clearing Error And Reminder Messages

    Eccellenza Touch Clearing Error and Reminder Messages Should an error or reminder message be triggered, the error or message is displayed at the lower left of the screen. In the example below, the message reads "Powder #2 low level". However, in our example, there are three messages present, as indicated by the number "3" in the upper right corner of the message box.
  • Page 18 Service Manual In this case, the 'Powder 2' dispenser is running low and must be refilled. Open the powder dispenser lid and refill the dispenser. Once done, tap the checkmark to clear this message. If you cannot immediately refill the dispenser, tap the 'X' to close this window without clearing the message.

  • Page 19: Fault Codes

    Eccellenza Touch Fault Codes Should a fault be present, it is identified using one of the codes from the list below. The right section of the screen shows the component code, a brief description of the fault, and corrective actions necessary to clear this fault.

  • Page 20: Logs

    Service Manual Logs The 'Logs' tab shows the fault history of the equipment in list form (from newest to oldest). Codes marked in Red identify that servicing was required. Yellow-marked codes warn of potential faults. Codes in green identify that the fault was corrected, and when it was corrected. System Info Information about the equipment, such as serial number, firmware versions, network address, etc., can be found in this menu.

  • Page 21: Section 4 - Brewer System

    Eccellenza Touch E C T I O N Brewer System Replacing the Brewer Assembly Remove the waste bin, then unlock and open the front door. Remove the brewer spout assembly. Press on the bottom of the red release latch, and rotate the brewer towards the left (clockwise) to release it.

  • Page 22: Replacing The Filter Screen

    Service Manual Replacing the Filter Screen Remove the waste bin, open the front door, and re-install the waste bin. Allow the machine to complete its initialization. Access the equipment programming, and navigate to the 'System Status' menu, and then the 'Maintenance' sub-menu. Tap the 'Remove Filter' option.

  • Page 23: Removing The Brewer Piston & Seal

    Eccellenza Touch Removing the Brewer Piston & Seal (see page 22). Remove the filter screen Remove the brewer from the machine, and remove the wiper from the brewer. Remove the screw securing the piston to the piston rod, and then remove the piston.
  • Page 24 Service Manual The piston can only be installed in a specific direction onto the piston rod (the piston rod has a flat spot, as does the piston). Align the piston onto the piston rod and press it down into position. Secure the piston to the piston rod using the large sidewalk screw.

  • Page 25: Removing The Brewer Cylinder

    Eccellenza Touch Removing the Brewer Cylinder (see page 23). Remove the brewer piston Remove the five screws securing the brewer cylinder assembly to the cylinder base and set them aside for now. Turn the drive gear at the bottom of the brewer counter-clockwise while, at the same time, lifting the base away from the cylinder until it is free, and then remove and discard the old cylinder assembly.
  • Page 26 Service Manual Assemble the new cylinder (consult VKI Publication #100310-001 for the required parts and their part numbers). A) Install the valve housing onto the cylinder (making certain in is pushed down completely), and then install the two o-rings onto the valve housing. B) Install the U-cup seal into the valve housing.
  • Page 27 Eccellenza Touch Slide the piston rod assembly all the way down into the cylinder. Apply food grade lubricant (Lubrifilm) onto both sides of the piston track inside the cylinder base. VKI Publication #100309-001...
  • Page 28 Service Manual Turn the drive gear at the bottom of the brewer clockwise while, at the same time, pushing the base onto the cylinder until it is fully seated. Insert the five screws into the cylinder base and tighten them in the sequence shown. NOTE: When re-installing these screws, the torque must be 30 in/lbs.

  • Page 29: Removing The Brewer Motor

    Eccellenza Touch Removing the Brewer Motor Remove the brewer assembly. With the rear panel removed, disconnect the wiring harness from the brewer motor. Loosen the two upper screws and remove the two lower screws. From the front, lift and pull the brewer motor out of the machine.

  • Page 30: Removing The Wiper Motor Assembly

    Service Manual Removing the Wiper Motor Assembly Remove the brewer assembly. With the rear panel removed, disconnect the power connector to the brewer wiper motor. Disconnect the left and right switch connectors from the brewer wiper motor. Loosen the two upper screws and remove the lower screw. From the front, lift and pull the brewer wiper motor out of the machine.

  • Page 31: Removing The Motor From The Wiper Motor Assembly

    Eccellenza Touch Removing the Motor from the Wiper Motor Assembly Remove the wiper motor assembly. Spread the motor clips outwards to release the motor from its support. Pull the wiper motor from its support. Removing the Wiper Motor Pinion/Coupling Remove the wiper motor from the wiper assembly.

  • Page 32: Removing A Wiper Motor Switch

    Service Manual Removing a Wiper Motor Switch Remove the wiper motor assembly. Remove the screw and washer securing the wiper arm to the wiper motor assembly. NOTE: When re-installing this screw, the torque must be 22 in/lbs. Remove the wiper arm. Unclip the switch to be replaced from its support, and pull the wiring through the hole in the support to remove it.

  • Page 33: Section 5 - Coffee And Powder Dispensing Systems

    Eccellenza Touch E C T I O N Coffee and Powder Dispensing Systems Coffee Dispenser Removal Open the front door. Remove the two hex screws securing the coffee dispenser in place. NOTE: When re-installing this screw, the torque must be 15 in/lbs.
  • Page 34 Service Manual If replacing the bean chute, install a new seal into the chute. The seal must be inserted completely into the chute. It must be flush with the upper and lower edges of the chute. Install the bean chute assembly onto the bottom of the coffee bean dispenser. The bean chute must be pushed as far as possible onto the coffee bean dispenser.

  • Page 35: Removing The Grinder

    Eccellenza Touch Removing the Grinder (see page 33). Remove the coffee dispenser Lift the outlet spout to remove it from its support on the grinder. With the rear panel removed, disconnect the two power wires and the ground wire from the grinder.
  • Page 36 Service Manual Remove the four screws securing the grinder to the machine cabinet, and then remove the grinder. To install a grinder, follow these same instructions in the reverse order, but please note the following: When installing the two mounting screws closest to the wall, do not tighten them until the grinder guard has been re-installed.

  • Page 37: Powder Dispenser Removal

    Eccellenza Touch Powder Dispenser Removal Open the powder lid. Unclip and remove the powder liner. Remove the rubberized trim that seals around the edges of the dispensers. Lift the top front of the dispenser, while at the same time pulling the bottom of the dispenser forwards to disengage the coupling from the dispenser motor.

  • Page 38: Removing Coffee And Powder Dispenser Motors

    Service Manual Removing Coffee and Powder Dispenser Motors The coffee and the powder dispenser motors are the same component, with the motor coupling configured differently. The coupling can be easily pushed out of the motor housing with a 9/32 nut driver. Coffee Motor Configuration Powder Motor Configuration (default) Disconnect the inline wiring connector for the motor to be removed (circled in yellow).

  • Page 39: Whipper System Removal, Manual Cleaning And Installation

    Eccellenza Touch Whipper System Removal, Manual Cleaning and Installation The same disassembly and cleaning procedure applies for all three of the whipper systems. Also note that the plastic whipper components may be gray or black in color. Whipper System Components Removing the whipper system components Remove the dispenser chute and disconnect the outlet hose.
  • Page 40 Service Manual Remove the whipper chamber and the steam trap from the whipper base, disengaging it from the powder drawer and inlet fitting. Remove the impeller from the motor shaft. Turn the handle to the right and remove the whipper base from the whipper motor. Remove the screw securing the top of the whipper mount.
  • Page 41 Eccellenza Touch Push down on the locking clip at the front of the base, and pull the base and motor out through the front of the support. Disconnect the inline wiring connector that supplies power to the whipper motor. Cleaning the whipper components At this point, all of the plastic components have been removed.
  • Page 42 Service Manual Installing the whipper system components Connect the inline wiring connector that supplies power to the whipper motor. Install the new motor into the cutout in the machine wall. Install the bottom of the assembly first, and then push the top of the assembly into the cutout until the plastic clip locks it in place.
  • Page 43 Eccellenza Touch Insert the whipper chamber into the base (making sure to also insert the chamber’s inlet into the adaptor and the steam trap into the powder drawer), and turn the handle on the locking ring to the center position to secure the chamber.

  • Page 44: Powder Rinse

    Service Manual When replacing the impeller, align the small arrow on the impeller with the flat side of the whipper shaft. Push the impeller until it clicks in place. Powder Rinse After servicing the whipper system, you'll need to perform a 'Powder Rinse' to flush powder that may have fallen into any of the three whippers.

  • Page 45: Section 6 - Water System

    Eccellenza Touch E C T I O N Water System Draining the Water Tank Switch off the machine power, disconnect the service cord from the wall outlet, and turn off the water supply going to the machine. Remove the machine's back panel.

  • Page 46: Replacing The Outlet Valve(S)

    Service Manual Once emptied, close the valve at the end of the hose, and re-install the security plug into the valve. If you are not removing the water tank, re-install the drain hose onto its clips on the interior wall of the machine. If you are servicing or removing the water tank, proceed to the next sections.

  • Page 47: Removing The Water Tank

    Eccellenza Touch Removing the Water Tank With the water tank drained and the service cord disconnected, remove the thermal tape from the valves, and disconnect the power wires from each of the valves. Disconnect the outlet hoses from each of the outlet valves.

  • Page 48: Replacing The Heating Element

    Service Manual Replacing the Heating Element Caution: The heating element may be extremely hot! Make sure the element has cooled to a safe temperature before attempting to remove it. With the water tank and the tank lid removed, remove the hex nuts (and washers) used to secure the heating element to the tank lid.

  • Page 49: Installing The Water Tank Assembly

    Eccellenza Touch Installing the Water Tank Assembly Connect the wiring to the heating element. Connect the wiring to the water level probes (as illustrated below). VKI Publication #100309-001...
  • Page 50 Service Manual Lower and slide the water tank onto its shelf. Make certain the tab at the bottom of the water tank slides under the metal guide. Route the overflow hose through its supports in the cabinet. Connect the wiring to the temperature probe. VKI Publication #100309-001...
  • Page 51 Eccellenza Touch Connect the wiring to the five outlet valves (as illustrated below). Connect the inlet hose to the bottom of the water tank. Connect the outlet hoses to their respective outlet valves. Install the thermal tape over the outlet valve wiring terminals.

  • Page 52: Removing Inlet Valve

    Service Manual Removing Inlet Valve With the rear panel removed, and the water source disconnected, remove the circle clamp and the hose from the inlet valve. Disconnect the wiring from the inlet valve. Be careful not to discard or misplace the small blue jumper wire.

  • Page 53: Section 7 - Electrical And Electronic Systems

    Eccellenza Touch E C T I O N Electrical and Electronic Systems Disconnect the service cord from the wall outlet prior to attempting to replace any of the components in this section. Failure to do so can result in an electrical shock! Replacing the 15A Fuse Insert a flat screwdriver tip into the fuse holder cap.

  • Page 54: Service Cord

    Service Manual Service Cord Disconnect the black and white service cord wires from the power switch at the rear of the machine. Disconnect the green service cord wire from the ground post at the rear of the machine. Compress the strain relief and pull the service cord from its opening at the rear of the machine.

  • Page 55: Exhaust Fan

    Eccellenza Touch Exhaust Fan With the back panel removed, disconnect the exhaust fan wiring from the control board. Using a 7/16 nut driver, remove the hex nut securing the ground wire and exhaust fan. Remove the remaining three hex nuts.

  • Page 56: Removing The Control Board And Power Supply

    Service Manual Removing the Control Board and Power Supply Disconnect the service cord from the wall outlet prior to attempting to replace any of the components in this section. Failure to do so can result in an electrical shock! The control board and the power supply are both mounted onto the same support bracket.
  • Page 57 Eccellenza Touch Disconnect the black wire (coming from the board/power supply) from the heater relay. Disconnect the white wire (coming from the board/power supply) from the heating element. Remove the black and white wires (going to the heating circuit) from the wire clips.
  • Page 58 Service Manual Remove the long black wire by pulling it through the center of the board-mounted choke. Compress each of the board clips and lift the board off the clips to remove it. VKI Publication #100309-001...

  • Page 59: Power Supply

    Eccellenza Touch Power Supply 10. Disconnect the wiring from the upper and lower terminal blocks of the power supply. Do not lose the small screws and square washers when removing the wiring terminals from the power supply as these are not available as service parts.

  • Page 60: Installing The Control Board And Power Supply

    Service Manual Installing the Control Board and Power Supply Install the power supply onto the support bracket using four screws. Install the control board onto the bracket by pushing it onto the clips. VKI Publication #100309-001...
  • Page 61 Eccellenza Touch Reconnect the output wires to the power supply, as illustrated below. Pass the long black wire through the center of the board-mounted choke and towards the power supply side. Connect the AC wires to the power supply, as illustrated below.
  • Page 62 Service Manual Route the black and white heater circuit wires around the outside of the power supply, and then upwards. Install the power supply and control board assembly back into the machine. Make sure the two joggles slide into the openings on the metal wall to lock the assembly in place. VKI Publication #100309-001...
  • Page 63 Eccellenza Touch Reconnect the black wire to the heater relay and the white wire to the heating element. Reconnect the black wiring pair to the fuse holder. 10. Reconnect the white wiring pair to the main power switch. 11. Connect the power cord to the wall outlet, but...

  • Page 64: Replacing The Hmi (Touch Panel)

    Service Manual Replacing the HMI (Touch Panel) Unlock and open the front door. Remove the black door fascia - undo the clips with a flat head screwdriver in the sequence shown, and then pull the bottom of the fascia to remove it. Remove the four screws securing the HMI to the front door.
  • Page 65 Eccellenza Touch Pull the HMI from the door and disconnect the wiring harness from the bottom of the HMI. Remove the small MicroSD card from the original HMI (push in and release to pop it out) and insert it into the new one (push in and release to lock it in place).
  • Page 66 Service Manual Place the HMI onto the door, making certain to secure the USB connector to its retainer on the door. Secure the HMI to the front door using four screws. 10. Switch the machine power on. (see page 67). 11.

  • Page 67: Section 8 - Updating Firmware

    E C T I O N Updating Firmware Firmware updates may be released periodically for the Eccellenza Touch. These updates may consist of fixes, new options and features, customizations, etc. This section guides you through the simple process of updating your equipment to the latest firmware.
  • Page 68 Once the update is complete (after 5-10 minutes), you are prompted to remove the USB flash drive to reboot the machine. Remove the flash drive and the Eccellenza Touch will reboot itself twice. While it is rebooting, re-install the plug onto the USB connector and re-install the waste bin.

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