Table of Contents
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Thank you for choosing UNIC, the leading French manufacturer of
professional espresso machines since 1919.
The manufacturer reserves the right to modify the
appliance presented in this publication without
notice in order to improve its performance.
Read the safety instructions carefully before use.
SE9011 07/2019
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Table of Contents
Related Manuals for Unic Stella Epic
Summary of Contents for Unic Stella Epic
- Page 1 Thank you for choosing UNIC, the leading French manufacturer of professional espresso machines since 1919. The manufacturer reserves the right to modify the appliance presented in this publication without notice in order to improve its performance. Read the safety instructions carefully before use.
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Page 3: Table Of Contents
Table of contents ► Safety instructions ..........................5 ⌂ INSTALLATION ...........................6 ► Preparing the machine ........................6 ♦ Unpacking the machine ............................ 6 ♦ Preparing the site and installing the machine ....................6 ► Water connection ..........................6 ► Electrical connection ........................... 7 ♦... - Page 4 ► Details of Other settings menu ......................23 ♦ Probe calibration ............................. 23 ♦ IT connection ..............................23 ♦ Connectivity ..............................23 ► Details of Use menu ........................... 24 ♦ Hot water & steam ............................24 ♦ Dosamat ................................24 ♦...
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Page 5: Safety Instructions
►Safety instructions This appliance is intended to be used only for its specific use. The manufacturer disclaims any liability for damage caused by abnormal use or abuse. Children 8 years of age or older and persons with reduced physical, mental or sensory abilities, or lack of experience and skill may use this appliance, if supervised by a qualified person, or they have received the instructions for use and safety necessary to understand the risks involved. -
Page 6: Installation
⌂ INSTALLATION ► Preparing the machine The machine is delivered in a cardboard box and is screwed onto a wooden pallet. ♦ Unpacking the machine - Cut the strapping. - Open the crate and take out the box containing the accessories. - Unscrew the nuts securing the machine to the pallet. -
Page 7: Electrical Connection
►Electrical connection - None of the switches on the machine must be left on. - Check that the values of the voltage, frequency and power shown on the technical information plate of the appliance match those of the mains. ♦ Electrical connections IMPORTANT: The machine must be connected to a line fitted with a general cut-off. -
Page 8: Verification Of The Toroidal Transformer With Respect To The Mains Voltage
► Verification of the toroidal transformer with respect to the mains voltage The machine has a multi-voltage transformer to guarantee the right mains voltage for the electronics. The machine is factory-fitted according to the destination country. E.g.: Should it be necessary to modify the factory assembly, it is only necessary to intervene on the jumpers: no cables need to be displaced. -
Page 9: Unit Boilers
- Check the machine’s water supply. - Shut down and restart the machine by turning the switch to OFF then ON. - The filling starts again for 3 minutes. ♦ Unit boilers A small quantity of water needs to flow from each unit. If not, the upper keys of the default unit flash: Check the machine’s water supply. -
Page 10: Adjusting The Pump Pressure
UNSCREW to REDUCE the temperature ♦ Adjusting the basin 85 mm On the Stella EPIC range, the basin can be adapted to the products required by the user. 5 positions possible, clearance of 115 mm maximum. The adjustment is done manually by two triggers located below on the sides of the basin. -
Page 11: Use & Programming
⌂ USE & PROGRAMMING ►Interface ♦ Description of the 4 dose BGX menu Dosed classic key zone Selection of an Screen expert profile Free infusion profile mode zone Start key (free mode) Stop key (free mode) Pre-infusion key (free mode) ♦... -
Page 12: Description Of The Bta Menu
♦ Description of the BTA menu Machine’s water Steam boiler heating element 1 to 3 network pressure Steam boiler level Coffee heater temperature Coffee boiler Steam pressure heating element Access to levels 1 & 2 with password Real-time information relating to the whole machine Key to put the machine Rapid access to the “Cleaning”... -
Page 13: Various Icons
♦ Various icons Icon to access the “rapid access/code” screen Back to the main screen Back to the previous page Icon to copy a file and/or data Icon to indicate parameters (e.g.: steam settings) Icon to save data and/or settings Icon to confirm data and/or settings Icon to cancel data and/or settings Icon to access enabled error codes / alarms. -
Page 14: Main Menu
► Main menu Once the security code has been confirmed, levels 1 (Use) or 2 (Technician) are accessible... -
Page 15: Day/Night Programming
►Day/night programming Used to programme days and hours of automatic passage in Night mode (Machine on standby, reduced heating temperatures) and Day mode, followed or not by an automatic cleaning cycle. To add a time range: - Press “add a time range”: - Schedule the required times - Do not forget to validate - Then you can either copy this time range the next... -
Page 16: Settings
►Settings This menu is used to define settings of the machine such as the date and time using the required language, the Machine Identity Card (CIM), the screensaver or temperature units. Note: Some parameters are only accessible or modifiable on the USB. Language p.21 Customisation p.21 USB level required, Access levels p:22... -
Page 17: Other Settings
►Other settings Probe calibration p.23 Level 2 (technician) required IT connection p.23 Connectivity p.23 Level 2 (technician) required Level 2 (technician) required... -
Page 18: Use
► Use Infusion profiles p.25 Hot water / Steam p.24 Dosamat p.24 Miscellaneous p.24... -
Page 19: Cleaning
►Cleaning Coffee cleaning p.28 Coffee rinsing p.28... -
Page 20: Maintenance
► Maintenance Note: accessible or modifiable at the USB level. Components test p.30 Machine cooling p.31 Error log p.31 Softener p.30... -
Page 21: Details Of Settings Menu
“import...” tab, select the image(s) then validate. Procedure (add images to the USB flash drive from a computer): Open the USB flash drive > open the “UNIC” file > open the “F_ECRAN” folder > copy the image in this folder > follow the instructions in the “screensaver”... -
Page 22: Saving
♦ Saving This sub-menu is used to import (and/or export) for example keyboards of products already created on a similar machine. Ditto for settings or databases. ♦ Levels of access Access to the main menu is authorised after entry of a code. This locking is prioritised into levels. -
Page 23: Details Of Other Settings Menu
1st stage: go to settings > CIM > serial number, configure the machine’s serial number (S/N) The S/N is used to identify the machine on the UNIC IOT interface. It is fixed and unique. 2nd stage: go to other settings > Connectivity... -
Page 24: Details Of Use Menu
► Details of Use menu ♦ Hot water & steam Large steam (option) 0 to 100 Small steam (option) 0 to 100 SteamAir temperature (option) 50 to 90 °C Large volume of hot water 0 to 1,000 Small volume of hot water 0 to 1,000 Steam pressure 0.7 to 1.4... -
Page 25: Expert Mode
♦ Expert mode The Expert mode corresponds to a completely independent menu incompatible with the Standard mode. I.e. It has its own temperature, dose, pre-infusion and post-infusion settings with possibilities of much more advanced settings. Pre-infusion Infusion Vertical setting, unit in bar Horizontal setting, unit in ml Name of the expert mode (press to modify) - Page 26 Setting procedure of a dose in expert mode, Example 1 small dose cup: Press the key to Choose the modify the required expert mode to be volume (on the BGX, modified the corresponding key is green) Press 3 seconds on Press 3 seconds on the key to enter in the key to start the...
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Page 27: Maintenance & Repairs
⌂ MAINTENANCE & REPAIRS ►Cleaning - REMEMBER TO REGENERATE THE WATER TREATMENT SYSTEM PERIODICALLY. - DO NOT USE ABRASIVE CLEANERS OR SCOURING PADS. DO NOT USE CLEANERS CONTAINING BLEACH OR COFFEE DETERGENT. -THE MACHINE SHOULD BE DESCALED ONLY BY A QUALIFIED TECHNICIAN. ♦... -
Page 28: Details Of The Coffee Cleaning Procedure Menu
To return to the main menu, press the “home” icon. ♦ Coffee cleaning ♦ Reference of cleaning products UNIC Reference Puly caff: 92040 UNIC Reference plug: DO-197 Note: for more information on cleaning products, refer to the manufacturer’s safety data sheet. -
Page 29: Option S Team A Ir
♦ option team The SteamAir option, when making cappuccino, is used to transform milk into cream in a simple, automatic operation: the (adjustable) air/steam mixture brings milk to the programmed temperature, 60° to 70° (140°F to 158°F) while emulsifying it. It stops automatically when the temperature is reached which saves the milk from boiling. -
Page 30: Details Of The Maintenance Menu
Hot water EV Unit 1 volume dosing Hot water volume dispenser ♦ Softener Two water softener suppliers are available at UNIC SA. BRITA® BESTMAX™ Test the water hardness of the mains and refer to the technical documentation of the water softener used, for optimal settings. -
Page 31: Machine Cooling
♦ Machine cooling Select the boiler(s) to cool then start the steam and/or coffee cycles. Temperatures and pressure are indicated in real time on the BTA. ♦ Error log This menu has no action on the electronics of the elements affected by the machine’s error codes. -
Page 32: Repairs
► Repairs ♦ Troubleshooting VERY IMPORTANT! BEFORE TAKING ANY ACTION, MAKE SURE ALL SETTINGS ARE CORRECT. - TEMPERATURE 120°C (248°F). STEAM PRESSURE: 0.9 to 1 bar (0.09 MPa to 0.1 MPa). - INFUSION PRESSURE: 9 to 10 bar (0.9 MPa to 1 MPa). The HP valve opens for a value greater than 13 bar (1.3 MPa). -
Page 33: Cpu Connectors & Fuses
♦ CPU connectors & fuses CN9 - WAFER STRAIGHT DIP 5.08mm CN7 - WAFER STRAIGHT DIP 5.08mm INGRESSI E PROT. TOROIDALE USCITE SW1-1 ON Demo mode SW1-2 ON Factory settings 2A 250V T 5A 250V T +12V C-LED-R C-LED-B +12V C-LED-G -RSV1 +12V... -
Page 34: Cable Lists
♦ Cable lists DESIGNATION EN DESIGNATION FR C.N. PIN DESIGNATION PIN FR8028 CABLE ALIMENTATION MACHINE MACHINE POWER WIRE 220V UL/CSA MACHINE POWER WIRE FR8031 CABLE ALIM MONO 220V UL/CSA NZ8004 CABLE LIAISON 485 CPU/BGX LINK 485 CPU/BGX CABLE CN12 NZ8005 CABLE LIAISON 485 BGX/BGX LINK 485 BGX/BGX CABLE LINK CPU/BTA CABLE... - Page 35 Towards Earthing (CN12) NZ8006 Cable ventilateur Towards Towards Towards TG8012 SE8008 (CN2) NZ8004 SE8006 SE8000 NZ8007 SE8007 Towards dosamat sensor NZ8005 SE8000 SE8007 NZ8007 Towards dosamat sensor NZ8005 SE8001 CABLES & CONNECTEURS CALANDRE 04/19 CONNECTORS & WIRES FRONT PANEL...
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Page 36: Plate Assembly
♦ Plate assembly 45390 NZ2010 DO-195 CN-661 NZ2005 44410 PG-14 51053 CN651 PG-15B CN 325 34201 CN-124 CN-661 44215 PE-12 S-11 NZ2008 NZ2012 CN-661 CN-189 NZ2011 41422 43800 AE51 44710 AE50 42003 AE51 46035 FR2013 NZ2010 41423 TABLEAU DE RACCORDEMENT ELECTRIQUE 03/19 ELECTRIC CONNECTION PANEL... -
Page 37: Wiring Diagrams
♦ Wiring diagrams... -
Page 40: Procedure For Updating The Machine
♦ Procedure for updating the machine Note: Leave the USB flash drive in its housing throughout the update procedure. Insert the USB flash drive, you have several possibilities, update of the CPU, BTA or BGX update. STAGE 1: introduce the updated USB flash drive. BTA update. - Page 41 STAGE 3: BGX update Before updating, check in the CIM that the number of units matches what actually exists. The procedure starts automatically with validation. STAGE 4: Export / import products.
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Page 42: Assembly/Replacement Procedures
♦ Assembly/replacement procedures When replacing a CPU, you must: - If possible, save the machine settings on the machine’s USB flash drive (Settings > Save > export settings) - Replace the defective CPU with a new one - Update the CPU with a USB+ flash drive - Import the CIM configuration of the USB flash drive of the machine (Settings >... -
Page 43: Cup Seal
♦ Cup seal - Remove the unit cover. (Important: disconnect the LED cable). - Remove the cup holder (Allen key #6) and the filter (8 mm socket wrench). - Loosen the two screws from the tamper and remove the piston spring (photos # 1 and # 2). - Remove the two O-rings and the cup seal on the piston. -
Page 44: List Of Error Codes
♦ List of error codes ERROR SAFETY EXIT COMPONENTS AFFECTED POSSIBLE CAUSES CONSEQUENCES CODE CONDITIONS No filling or cycle possible. Absence of mains water Mains water pressure Automatic if defect No heating of coffee boilers if pressure or empty tank: probe / switch removed - Check tap or tank... - Page 45 ERROR SAFETY EXIT COMPONENTS AFFECTED POSSIBLE CAUSES CONSEQUENCES CODE CONDITIONS Interruption of counting for more than 5 seconds: - Automatic if defect UNIT 1 dosing Check free rotation of the Manual dosing alarm removed dispenser turbine and cabling (defective contact) Infusion time longer than 110 seconds, flow too weak: Automatic if defect...
- Page 46 ERROR SAFETY EXIT COMPONENTS AFFECTED POSSIBLE CAUSES CONSEQUENCES CODE CONDITIONS unplugged, no signal: Automatic if defect UNIT 3 dosing - Check the component and Manual dosing alarm removed wiring short circuited: Automatic if defect UNIT 3 dosing - Check the component and Manual dosing alarm removed wiring...
- Page 47 ERROR SAFETY EXIT COMPONENTS AFFECTED POSSIBLE CAUSES CONSEQUENCES CODE CONDITIONS Alarm Value outside the authorised - Sensor not taken into UNIT 2 Pressure range: account Automatic if defect sensor - Check the programmed - Setpoint pressure replaced removed by time lag (see coffee cycle value and the sensor.
- Page 48 ERROR SAFETY EXIT COMPONENTS AFFECTED POSSIBLE CAUSES CONSEQUENCES CODE CONDITIONS Fuse no. 4 cut out NO 5 V Fuse no. 5 cut out Cut out fuse Cut out fuse Cut out fuse Defect on 1st filling: impulse pressure remains at zero Coffee boiler filling cycle when you press for more Defect removed and...
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