Wega ALE Series Use And Maintenance Manual
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Wega ALE Series Use And Maintenance Manual

Wega ALE Series Use And Maintenance Manual

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WEGA MACCHINE PER CAFFÈ S.r.l.
Via Condotti Bardini, 1 - 31058 SUSEGANA (TV) - ITALY - Tel. +39.0438.1799700 - Fax +39.0438.1884890 - www.wega.it - info@wega.it
2006/42/CE Machinery Directive
ALE
EMA
EPU
EVD
DISPLAY
ESPRESSO COFFEE MACHINE
EN
Use and maintenance manual. TECHNICIANS instructions.

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  • Page 1 WEGA MACCHINE PER CAFFÈ S.r.l. Via Condotti Bardini, 1 - 31058 SUSEGANA (TV) - ITALY - Tel. +39.0438.1799700 - Fax +39.0438.1884890 - www.wega.it - info@wega.it 2006/42/CE Machinery Directive DISPLAY ESPRESSO COFFEE MACHINE Use and maintenance manual. TECHNICIANS instructions.
  • Page 2 IMPORTANT: Read carefully before use - Store for future reference Content rights The partial reproduction and dissemination of the contents in this document without the prior written consent of the Manufacturer is forbidden. The Company logo is owned by the Manufacturer of the Machine. Responsibility We are constantly striving to improve the accuracy of the information published in each Manual, but there may be some inaccuracies.

  • Page 3: Table Of Contents

    ESPRESSO COFFEE MACHINE Use and maintenance manual. TECHNICIANS instructions. English Summary INTRODUCTION ..............4 7. PROGRAMMING ..............33 Guidelines for reading the Manual ........4 8. MAINTENANCE AND CLEANING ..........33 Storing the Manual ............... 4 Safety precautions .............. 33 Method for updating the Instruction Manual ......

  • Page 4: Introduction

    INTRODUCTION ABBREVIATIONS Sect. = Section Chap. = Chapter Read this manual carefully. It provides important Par. = Paragraph information on the safety to the Technician during the Page operations indicated in this document. Fig. Figure Keep this Manual in a safe place. If you lose it, you can Tab.

  • Page 5: Method For Updating The Instruction Manual

    Method for updating the Instruction QUALIFICATION OF RECIPIENTS Manual The machine is intended for professional and not generalized use, so it can be used by Qualified Techni- The Manufacturer reserves the right to modify and cians, in particular who: make improvements to the machine without notifying Have attended the training courses organized by the it and without updating the Manual already delivered.

  • Page 6: Guarantee

    Obligation to read the documentation automatically invalidates any guarantee. Customer service WEGA MACCHINE PER CAFFÈ S.r.l. Via Condotti Bardini, 1 - 31058 SUSEGANA (TV) - ITALY Tel. +39.0438.1799700 - Fax +39.0438.1884890 E-mail: info@wega.it - Web-site: www.wega.it...

  • Page 7: Identification Of The Machine

    IDENTIFICATION OF THE MACHINE The use of products/materials other than those speci- fied by the Manufacturer, which can cause damage to the machine and dangerous situations for the operator Make and model designation and/or those close to the Machine, is considered incor- rect or improper.

  • Page 8: Machine Description

    Machine description ALE version EMA - EPU - EVD version Cup heater surface. Lever groups. Optical boiler water level (**). DISPLAY Version Pressure gauge. Steam knob. Burn protection. Steam nozzle. 2-Cup filter holder. Adjustable foot. 10. Hot water nozzle. 11. Gas burner inspection window (*). 12.

  • Page 9: Internal Components

    Internal components Boiler. Dispensing group. Internal motor pump (*). Boiler/motor pump pressure gauge. Boiler level-check window. Internal pump water attachment connection (*). Manual water pump. External pump water attachment connection. Drain pad. 10. Volumetric dosing device (EVD-DISPLAY). 11. Machine power switch. 12.

  • Page 10: Data And Ce Marking

    The CE nameplate is affixed to the base of the frame under the drain pan on which the identification data is reported. Below is an example of the nameplate: MARCHIO COMMERCIALE WEGA MACCHINE PER CAFFÈ S.r.l. Via C. Bardini,1 SUSEGANA (TV) - ITALY Tel. +39.0438.1799700 Fax +39.0438.1884890 S/N: Mod.
  • Page 11 2.6.1 Boiler 2.6.3 Pressure relief safety valve The boiler is constructed in copper sheet metal (1), to The pressure relief safety valve has a which the heat exchangers are assembled which in turn calibration of 1.9 bar in order to ensure are connected to the dispensing group.
  • Page 12 2.6.7 LEVER groups 2.6.8 TOGGLE groups Lever groups us the boiler pressure and water. This For the toggle group is used a system similar to the system does not require heat exchangers. one shown for the Dispensing Group see par. "2.6.9 DISPENSING group"...
  • Page 13 2.6.9 DISPENSING group In this system, the dispensing group (1) is heated by a thermosiphonic circuit (2) connected to the heat exchanger (3). The same water is used for the coffee dispensing, thus ensuring the same temperature for all coffee servings: activation of the solenoid valve and of the pump allow cold water to enter the exchanger (3) through the injector (4);...
  • Page 14 2.6.10 Safety thermostat 2.6.13 Automatic Water Entry The thermostat allows you to avoid damage to the The Automatic Water Entry system is for checking the electrical resistance in case of lack of water in the boiler. boiler level. It is composed of: The thermostat bulb (7) is located inside a sheath (8) probe inserted in the boiler (1) composed of a stain- placed at the center of resistance.
  • Page 15 2.6.14 Volumetric dispensing 2.6.17 Hot water nozzle The volumetric dispens- The hot water nozzle is connected to a suction pipe er installed on EVD-DISPLAY of the boiler. Depending on the model, hot water can be versions serves the purpose supplied in two ways: of measuring the quantity Manually: by turning the adjustment knob on the of water sent to the group...
  • Page 16 2.6.20 Autosteamer (optional) The "Autosteamer" system, supplied with certain ver- sions with display, can be used for automatically heating and foaming milk at the programmed temperature. Be- low is listed the operating principle of the autosteamer: Press the appropriate button (1) placed on the base to the left of the machine;...
  • Page 17 2.6.21 Water filter 2.6.22 Softener Mains water contains insoluble salts, which cause the The resin softener can be used as an alternative to build-up of lime scale deposits in the boiler and other the water filter. parts of the machine. This component has the property of retaining the Drinking water can also contain traces of heavy met- calcium contained in the water.

  • Page 18: Transport And Handling

    TRANSPORT AND HANDLING Handling the packed machine Upon arrival, the machine must be unloaded and handled with care, carefully following the instructions Safety precautions on the packaging, or those contained in this Manual. Handling operations must always and exclusively be performed If there is an external motor pump (optional), the mo- by qualified personnel and in compliance with applicable safety tor and the pump are provided in a separate package.

  • Page 19: Storage

    STORAGE INSTALLATION Overview Safety precautions In the waiting period prior to installation, the ma- Installation must always and exclusively be performed by qualified chine must be stored by the Manufacturer or Authorized personnel and in compliance with applicable safety and health Distributor.

  • Page 20: Dpi Characteristics

    Installation space and operating space Before the arrival of the machine, a suitable environ- ment must be prepared: Use of the machine without all the installation operations carried Location suited to the intended use and adequate out by Qualified Technical Personnel can result in serious damage space for comfortable use of the machine;...
  • Page 21 Support base 14. Motor pump outlet Grinder-dispenser 15. Water supply tap 20 cm minimum distance between the machine 16. Water supply non-return valve and the wall 17. Used coffee grounds drawer Discharge tub 18. Support for tapping the filter holder Boiler water level 19.

  • Page 22: Drilling The Support Base

    Drilling the support base In the case where it is necessary to drill holes on the support bench for passing the water inlet and outlet hoses, as well as the electrical and gas supply cables, follow the directions in the drawings below. 1 GROUP 160 mm Front of the machine...

  • Page 23: Hydraulic Connection

    Hydraulic connection 5.7.1 Water supply The water supply of the appliance must be carried out with water which is suitable for human consump- tion, in compliance with the regulations in force in the place of installation. The owner/manager of the system must confirm to the installer that the water meets the requirements above: 5.7.2 Materials to be used...

  • Page 24: Electrical Connection

    Electrical connection Installation must be done in accordance with the safety standards in force in the country of installa- The water supply must provide cold water for human consumption tion. The owner/manager of the system must confirm (potable water) at a pressure between 1,5 and 5 bars If the pressure to the installer that the electrical system meets the is higher than 5 bar, connect a pressure reducer before the pump.

  • Page 25: Gas Connection (If Included)

    Gas Connection (if required) 5.9.2 Gas system connection To perform the connection of the gas system, proceed 5.9.1 Requirements as follows: Install a cut-off cock upstream of the machine (A); install a pressure reducer upstream of the gas system (B); When operating on gas, the machine emits combustion fumes pipe connections of the gas to the machine must be directly into the surroundings where it is being used;...
  • Page 26 In case of connection with a hose, follow the indica- when connecting with a pipe: connect the Ø8 copper tions below: pipe to the 1/4 gas connection (1); - Use a hose that meets the standards in use (it is check that the type of gas utilised corresponds to the one indicated on the gas data plate of the machine.
  • Page 27 5.9.3 Gas Table Indications for the installation of the appropriate injector and the adjustment of the air suction cap Connection Injector inlet Burner Aspiration air cap Minimum Maximum Maximum Gas type power minimum pressure injector hole adjuetment power Q min power Q n consumption MODEL:...
  • Page 28 5.9.4 Gas adjustment If you want to increase or decrease operating pressure in the boiler, proceed as above, varying the parameters To perform the adjustment of the gas proceed as as follows: follows: Switch on the gas system; TO DECREASE PRESSURE remove the locknut (A) and loosen the regulator screw (B) by 2 turns;...

  • Page 29: Commissioning

    COMMISSIONING External motor pump adjustment To adjust operating pressure proceed as follows: Safety precautions Operate a coffee dispensing switch; adjust the pressure by turning the screw located on The following residual risks are present during the the pump (3) so as to obtain a pressure of between commissioning of the machine and cannot be elimi- 8 and 9 bar.

  • Page 30: Coffee Grinding

    Coffee grinding Autosteamer (if included) To adjust the granularity of the ground coffee, use the 6.8.1 Temperature adjustment appropriate regulators located on the hoppers. To program the temperature of the milk to be heated, Turning the regulator clockwise results in finer ground enter the machine programming through the display and coffee and, vice versa, turning it counter clockwise pro- set the desired temperature.

  • Page 31: Machine First Startup

    Machine first startup 6.9.2 Electric heating (DISPLAY versions) Press the machine's master switch(16); 6.9.1 ALE-EMA-EPU-EVD versions first startup Before starting the machine, make sure that the level of water in the boiler is higher than the minimum level on the level-check window (1). In some versions of the optical level is replaced by a green light (3): the light is indicates the proper water level of the boiler, slow flashes indicate the phase of...

  • Page 32: Turning Off The Machine

    6.9.3 Gas heating (where included) Water replacement 6.11 Turn the power switch (A) to position 1; During the installation of the machine, the Qualified open the gas valve (B) on the mains; Technician must replace the water contained in the hy- hold down the push button (C) and, at the same time, draulic circuits by following these steps: press the on button (D).

  • Page 33: Programming

    PROGRAMMING The following residual risks are present during the maintenance and cleaning of the machine and cannot be eliminated: For programming the machine, follow the provisions in the user's manual. Electrical hazard: The maintenance and cleaning operations are subject to the behavioral safety rules: do not carry out the maintenance with the machine in operation;...

  • Page 34: Maintenance

    Maintenance 8.3.1 Scheduled maintenance Perform the following maintenance according to the specified frequency. In case of intensive use of the machine the checks need to be performed in smaller intervals. Component Type of intervention Quarterly Yearly Check the boiler pressure, which must be between 0.8 and 1.4 bar. GAUGE Periodically check water pressure during coffee dispensing: check the pressure indicated on the gauge, which must be between 8 and 9 bar inclusive.
  • Page 35 Component Type of intervention Quarterly Yearly Check for any leaks on the hydraulic and sewer connections. Check the state of the DRAIN drain pan and the drain connection tube. DISPENSING UNIT Check the condition of the solenoid valve of the dispensing group. Check for gas leaks with a suitable gas detection instrument, or by passing a soapy GAS SYSTEM solution on all the gas fittings.
  • Page 36 8.3.3 Dispensing group maintenance 8.3.5 PRESSURE VALVE check First check: Every 3 months replace the perforated disk (1) and Remove the top grill of the machine; the under cup seal (2) of the dispensing group (use only use pliers to push the pin (5) downwards; original spare parts).

  • Page 37: Malfunctions And Relative Solutions

    Malfunctions and solutions Problem Cause Action The general switch is in the "OFF" position. Place the main switch in the "ON" position. The machine switch is defective. Replace the main switch. MACHINE LACKING POWER The mains power supply switch is in the OFF position. Place the main switch in the ON position.
  • Page 38 Problem Cause Action The filter holder is dirty. Clean the filter holder. The filter holes are worn. Replace the filter. GROUNDS IN CUP The coffee is not ground evenly. Replace the grinders. The seal under the pad is worn Replace the seal. The pressure in the pump is too high.
  • Page 39 Problem Cause Action The connection of the volumetric dosing device is Check for proper connection of the volumetric dosing faulty. device connector. The connection of the electronic control unit is faulty. Check for proper connection of the 8/10-pin connec- The connector of the volumetric dosing device has tor of the electronic control unit.

  • Page 40: Cleaning Operations

    Cleaning operations 8.5.2 Cappuccino-maker wash Use special care in cleaning the cappuccino maker, 8.5.1 General instructions following the procedures indicated below: perform a first washing by immerging the suction For perfect hygiene and efficiency of the unit, a few tube in water and dispense for a few seconds; simple cleaning tasks are required.
  • Page 41 8.5.4 EMA-EPU version dispensing group wash to activate the wash press the button 2 again (flash- ing of buttons 1 and 2 - in versions with display, the Wash the dispensing groups daily as indicated below: following message appears: Remove the fil- ter from the filter GROUP WASH holder and fit a...

  • Page 42: Spare Parts

    8.5.6 Perforated disk cleaning DISPLAY INDICATION Weekly perform the cleaning of the Perforated disk and containment ring in the Cause following way: Boiler filled with water when using Remove the perforated the machine for the first time or 1.0 BAR 120°C disk (1) and the seal under when refilling to reach the water...

  • Page 43: Decommissioning

    DECOMMISSIONING DISPOSAL In this case, it is necessary to disconnect the machine Information for disposal 13.1 by unplugging it from the power, hydraulic and gas supply if required, and drain the internal circuits of all Only for the European Union and the European Eco- the water.

  • Page 44: Electrical Diagrams

    WIRING DIAGRAMS Connection to the POWER SUPPLY 14.1 single phase 120-230-240V 3-CONDUCTOR CABLE single-phase 230-240V three-phase 230-240V 4-CONDUCTOR CABLE single-phase 230-240V three-phase 230-240V three-phase 400V GR BL GR BL GR BL 5-CONDUCTOR CABLE (3-phase+Neutral+Earth) Phase Blue Phase Power cable Phase Grey Neutral Yellow-green...

  • Page 45: Machine Supply

    MACHINE Power Supply 14.2 R (L1) R (L1) R (L1) N (L2) N (L2) N (L2) S/L2 R/L1 V/T2 U/T1 120V SWITCH POWER SWITCH MA NE 230V 240V 400V Phase Power cable Brown Phase Power switch Black Phase Connector Pressure switch Neutral Grey Resistance...

  • Page 46: Ale - Ema Version

    Single-phase ALE - EMA version 14.3 White Blue MA BL GR GV Power cable Boiler Power switch Supply connection Boiler filling solenoid valve Fuse Grey Yellow-green LED Timeout 400V Cup heater switch Indicator light Brown Black Pressure switch Resistance RL30 AEA control unit (optional) Resistance safety device Boiler level probe...

  • Page 47: Single-Phase Vela Ema Version U.l

    Single-phase VELA EMA version U.L. 14.4 White Blue Boiler Supply connector Electrical system connector NE BI BI VE Boiler filling solenoid valve FP1(*) UL (OPD) Motor pump fuse FP2(*) UL (OPD) Fuse for 230V Control unit fuse. Grey MA BL BI VE Yellow-green Main switch...

  • Page 48: 230-400V Vela Ema Version

    230-400V VELA EMA version 14.5 BL MA NE GR White Blue Boiler Supply connector Electrical system connector Boiler filling solenoid valve MA BL BI VE FP1(*) UL (OPD) Motor pump fuse FP2(*) UL (OPD) Fuse for 230V Control unit fuse. Grey Yellow-green MA BL...

  • Page 49: Epu Version

    EPU version 14.6 White Blue MA BL GR GV Power cable Boiler Power switch Supply connector Solenoid valve GR1 Solenoid valve GR2 Solenoid valve GR3 Solenoid valve GR4 400V Boiler filling solenoid valve FP1(*) UL (OPD) Motor pump fuse FP2(*) UL (OPD) Fuse for 230V Fuse Grey...

  • Page 50: Evd-Display Version

    EVD-DISPLAY version 14.7 The table below shows, for each model of machine, the code for the control unit and the reference to the page with the wiring diagram. Control Description Giemme Gicar unit code 120V 18363 par. 14.7.1 230V 18362 par.
  • Page 51 14.7.1 Wiring diagram cod. WY18362 - WY18363 *JUNIOR* White MA BL GR GV Blue Power cable Boiler Membrane connection Power supply and services outputs Dosing device output Programming switch Boiler level Power switch Supply connector Volumetric counter Boiler filling solenoid valve Dispensing solenoid valve FP1(*) UL (OPD) Motor pump fuse...
  • Page 52 14.7.2 Wiring diagram cod. WY18077 - WY18078 - WY18079 White Blue Power cable Boiler MA BL GR GV Power switch Supply connector Volumetric counter GR1 Volumetric counter GR2 Volumetric counter GR3 Volumetric counter GR4 Solenoid valve GR1 Solenoid valve GR2 400V Solenoid valve GR3 Solenoid valve GR4...
  • Page 53 14.7.3 Wiring diagram cod. WY18090016 - WY18090017 *GIEMME* White Blue Power cable Boiler MA BL GR GV Power switch Supply connector Volumetric counter GR1 Volumetric counter GR2 Volumetric counter GR3 Volumetric counter GR4 Solenoid valve GR1 Solenoid valve GR2 400V Solenoid valve GR3 Solenoid valve GR4 Boiler filling solenoid valve...
  • Page 54 14.7.4 Wiring diagram cod. WY18090016 - WY18090017 *GICAR* White MA BL GR GV Blue Power cable Boiler Serial connector Power supply Low voltage connector Service outputs connector Power switch Supply connector 400V Push button panel connector GR1 Push button panel connector GR2 Push button panel connector GR3 Push button panel connector GR4 Volumetric counter GR1...
  • Page 55 14.7.5 Wiring diagram cod. WY18090030 - WY18090031 *GIEMME* White Blue GR GV Power cable Boiler Service outputs connector Supply connector Low voltage connector Programming connector Push button panel connector GR3 CN10 Push button panel connector GR2 CN11 Push button panel connector GR1 400V Power switch Supply connector...
  • Page 56 14.7.6 Wiring diagram cod. WY18090030 - WY18090031 *GICAR* GR GV White Blue Boiler Supply connector Push button panel connector GR1 Push button panel connector GR2 Push button panel connector GR3 Service outputs connector 400V Low voltage connector Power switch Supply connector Volumetric counter GR1 Volumetric counter GR2 Volumetric counter GR3...
  • Page 57 14.7.7 Wiring diagram cod. WY18090012-13-14-15 White Blue Power cable Boiler MA BL GR GV Supply connector Low voltage connector Serial transmission connector Power switch Supply connector Volumetric counter GR1 Volumetric counter GR2 400V Volumetric counter GR3 Volumetric counter GR4 Solenoid valve GR1 Solenoid valve GR2 Solenoid valve GR3 Solenoid valve GR4...
  • Page 58 14.7.8 Wiring diagram cod. WY18090018 - WY18090019 MA BL GR GV White Blue Battery Power cable Boiler Membrane connection 400V Power supply and services outputs Not managed Boiler level probe connect. Programm. inter. connect. connect. with display card Power switch Supply connector Volumetric counter Yellow-green...
  • Page 59 14.7.9 Wiring diagram cod. WY18090047 - WY18090048 *GIEMME* White Blue Boiler Supply connector Low voltage connector Serial transmission connector CN10 Push button panel connector GR1 CN11 Push button panel connector GR2 400V CN12 Push button panel connector GR3 Power switch Supply connector Volumetric counter GR1 Volumetric counter GR2...
  • Page 60 14.7.10 Wiring diagram cod. WY18090047 - WY18090048 *GICAR* White Blue Power cable Boiler Supply connector Low voltage connector Serial transmission connector CN10 Push button panel connector GR1 CN11 Push button panel connector GR2 CN12 Push button panel connector GR3 CN14 Service outputs connector 400V CN18...
  • Page 61 14.7.11 Wiring diagram cod. WY18090079 - WY18090080 Air pump supply White Blue Power cable Boiler Supply connector Low voltage connector Link connector display diag. 400V Serial transmission connector Programm. connector ISP Cup heater heating el. connector CN10 Push button panel connector GR1 CN11 Push button panel connector GR2 CN12...
  • Page 62 14.7.12 Wiring diagram cod. WY18090051 - WY18090052 Milk pump supply White Blue Power cable MA BL Boiler Supply connector Low voltage connector Link connector display diag. 400V Serial transmission connector Programm. connector ISP CN10 Push button panel connector GR1 CN11 Push button panel connector GR2 CN12 Push button panel connector GR3...

  • Page 63: Hydraulic Diagrams

    HYDRAULIC DIAGRAMS LEVER GROUP hydraulic diagram 15.1 Steam cock Hot water tap Negative pressure valve Safety valve Pressure switch Boiler Dispensing group Boiler heating element 10 Optical level 11 Pressure gauge 12 Water inlet filter 13 Automatic Water Entry solenoid valve (optional) 14 Manual water entry tap 15 Discharge tub 16 Drain...

  • Page 64: Ema - Epu Dispensing Group Hydraulic Diagram

    EMA - EPU DISPENSING GROUP hydraulic diagram 15.2 Internal motor pump Water softener Water inlet filter Built-in motor pump Pump pressure adjustment Manual water entry tap SCNR valve Discharge tub Pressure gauge Optical level 10 Boiler 11 Heat exchanger 12 Dispensing group 13 Hot water tap External motor pump 14 Steam cock...

  • Page 65: Evd - Display Dispensing Group Hydraulic Diagram

    EVD - DISPLAY DISPENSING GROUP hydraulic diagram 15.3 Internal motor pump Water softener Water inlet filter Built-in motor pump Pump pressure adjustment Manual water entry tap SCNR valve Discharge tub Pressure gauge Optical level 10 Boiler 11 Heat exchanger 12 Dispensing group 13 Hot water tap 14 Steam cock External motor pump...

  • Page 66: Alphabetical Index Of Topics

    ALPHABETICAL INDEX Internal battery Internal components OF TOPICS LEVER group Lever - version Lighting Absorbed power Automatic Water Entry Machine cleaning Autosteamer Machine dismantling Autosteamer - adjustment Machine disposal Machine handling Blind filter Machine installation Boiler Machine programming Machine storage Cappuccino maker Machine transport Cappuccino maker cleaning...
  • Page 68 WEGA MACCHINE PER CAFFÈ S.r.l. Via Condotti Bardini, 1 - 31058 SUSEGANA (TV) - ITALY Tel. +39.0438.1799700 - Fax +39.0438.1884890 www.wega.it - info@wega.it Cod. 02000353 - Rev. 07 - 05/2016...

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