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Conti TWIN STAR 2, Technical Documentation Manual

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Conti TWIN STAR 2 Technical Documentation Manual Download Page 4

 

 

1 

INTRODUCTION : instructions and recommendations 

  

 

1.1 Installation 

instructions 

 

- 

The installation must be carried out by a technician specifically trained by CONTI. The 
manufacturer is not responsible for any damages caused due to incorrect installation or 
use. The coffee machine must be installed on a solid furniture, supporting its weight 
under any circumstances. 

- 

It is necessary to make the machine level to obtain equal coffee portions. 

 

1.2 Warranty 

 

- 

The life span of the TWIN STAR 2 depends on the correct utilisation of the machine, the 
daily cleaning and preventive maintenance. 

 

-The non-respect of the daily cleaning and preventive maintenance would cancel 

the contractual warranty. 

 

 
 

1.3 Safety 

instructions 

 
 

- 

The machine should not operate without supervision. 

- 

The machine should only be used for its intended purpose. 

- 

Only switch the machine on when the water shut-off valve is open. 

- 

Only place empty cups on the cup warmer. 

- 

Attention: coffee, hot water and steam can cause injuries. 

- 

Never clean the machine with a high-pressure water jet. 

-  The hot parts of the machine, in particular the group and the cup warmer, can cause 

burns.  Gloves or a protecting cloth must be used when cleaning the hot parts. 

- 

Gloves should be worn when removing and cleaning the basin to avoid injuries - 

 

- 

The safety devices must be regularly checked and maintained (service engineer). 

- 

Do not remove the cover panels (risk of electric shock). 

- 

Do not cover the machine in operation to allow air circulation. 

 
A regular and professional maintenance of the machine, the regular regeneration/refill of the 
water softener and maintenance of the safety devices are compulsory. 

 

1.4  Power supply instructions 

 

- 

Never unplug or plug in when the main socket switch is on! 

- 

The machine must be connected to a circuit breaker. 

-  The customer must provide an electrical installation complying with the requested 

standards of the country where the machine is installed.  

- 

The power socket must be protected against current defects.

 

- 

The terminal plug must earth the machine.

 2 

Summary of Contents for TWIN STAR 2

Page 1: ...TECHNICAL DOCUMENTATION 01 2005 V1 11 SACOME CONFIDENTIAL Document it is forbidden to duplicate or communicate this document without previous authorization ...

Page 2: ......

Page 3: ...ROGRAMMING 7 7 1 Automatic switching ON OFF 7 7 2 Programming 8 7 3 Beverage preparation 9 7 4 Others functions 12 7 5 Alarms 15 7 6 Heating of the boilers 18 7 7 Programming 18 8 HOW TO MAKE A PEFECT ESPRESSO 29 9 MAINTENANCE SETTINGS 29 9 1 Daily Maintenance 29 9 2 Weekly Maintenance 29 9 3 Maintenance every 3 month 29 9 4 Electronic pressure switch 30 9 5 12 bar Security valve 30 9 6 Recommenda...

Page 4: ...s on the cup warmer Attention coffee hot water and steam can cause injuries Never clean the machine with a high pressure water jet The hot parts of the machine in particular the group and the cup warmer can cause burns Gloves or a protecting cloth must be used when cleaning the hot parts Gloves should be worn when removing and cleaning the basin to avoid injuries The safety devices must be regular...

Page 5: ...pressure Drain connection pin 1 2 t piece supplied The drain pipe must be lower than the machine 400Vac 50Hz 3 phases or 230Vac 50 60Hz Single phase UL et ULC Single phase 230V 60Hz TYPE HEATING POWER TOTAL POWER ELECTRICAL CONSUMPTION Watt Watt Amps 230Vac 400Vac 2 GROUPS 7700 8000 21 max 14 3 GROUPS 9300 9500 21 max 14 BOILER CAPACITY IN LITERS 2 Groups 3 Groups TOTAL Hot Water steam boiler 20 2...

Page 6: ...t the water softener between the cut off tap of main water supply and the machine Connect the machine to the waste outlet Make sure that the flexibles are not squeezed and that the radius of curvature is as large as possible The emptying must be slightly inclined the emptying in a siphon is recommended to avoid the ascent of bad smell Note Means for disconnection from the supply having a contact s...

Page 7: ...n pressing ON OFF The display lights up and the automatic filling up of the steam boiler starts The machine doesn t warm up When water reaches the safety sensor the automatic heating of the boilers coffee and steam boilers in same time starts The LEDs of the touch buttons will become lit when the required temperature is reached Hot water and steam can be used when the steam gauge indicates 0 8 bar...

Page 8: ...holder outlet Always leave the filter holders on the machine with the filters filled with the coffee grounds of the previous coffee in order to maintain the temperature of the filter holders When the machine is not in use for an expended period of time remove the filter holders and expel the used coffee grounds 6 6 Cappuccinatore option This device is equipped with a 2 position switch and allows t...

Page 9: ...achine is switched on The displays are lit and indicate CONTI the current time and the name of each group CONTI HH mm Roaster name CONTI Roaster name CONTI Roaster name The water supply solenoid valve is activated The water level regulation of the steam boiler is activated When the safety sensor is reached probe SS in contact with water The security relay is activated When the level sensor is reac...

Page 10: ...thin 5 seconds otherwise the machine will get out of the programming mode Select the measure to be programmed by pressing the relevant button All the LEDs of the group will go off only the LED of the selected measure will remain alight The LED of the button CONT CAPPU blinks The pump and the solenoid valve of the related group are activated The water is flowing Once the required measure is reached...

Page 11: ...ming of steam measures If the machine is fitted with this optional device the steam programming is available in the PROGRAMMING MODE Bar menu see chapter 5 6 PROGRAMMING 7 3 Beverage preparation 7 3 1 Coffee delivery The machine has to be switched on and the security water level in the steam boiler reached sensor SS Machine switched on and no delivery all the LEDs are lit Press the push button to ...

Page 12: ... the solenoid valve time t1 deactivating time t2 and reopening The pre infusion is set in the factory and can be modified and set different on each button of the group see programming 7 3 3 Tea measure Machine turned on no tea delivery The tea LED will stay alight Press the tea push button The tea solenoid valve is activated and the hot water is flowing The LED of the push button is lit The TEA de...

Page 13: ...easure is not programmed When the required amount of foam milk is reached press the CAPPU push button again to close the CAPPU solenoid valve NOTE A security Time Out will close automatically the CAPPU solenoid valve after 180 seconds if the user forgets to press the button again Place the cup with the milk foam under the filter holder outlet Press the push button 2 espresso to finish the cappucci...

Page 14: ...hine must be turned off and on again Remark If the machine is turned on with the steam boiler empty the automatic water filling will start without activating the alarm If the boiler fails to fill the filling Time Out sensor SN will activate the alarm 7 4 2 Automatic filling up of the steam boiler The water level of the steam boiler is controlled by the level sensor SN When the sensor does not dete...

Page 15: ...inished the display will indicate Rinse Remove the filter holders and press the 5th push button CONT CAPPU The rinsing cycle start The pump and the group solenoid valve are 2 sec ON 1 sec OFF repetition 15 times During the Rinsing cycle the display will indicate Rinsing in Progress When the rinse cycle is finished the display will return to the standard mode and the coffee counter of the group wil...

Page 16: ...ity of coffee shots were delivered The coffee push buttons are deactivated the LEDs go off The CAPPU push button is deactivated the LED goes off Only hot water and steam can be drawn The displays show Coffee credit Exhausted Coffee credit Exhausted Coffee credit Exhausted 7 4 5 DATA RESET This function allows to program the standard parameters again when they were lost Procedure Turn off the main ...

Page 17: ...delivery will be stopped and the alarm suppressed 7 5 3 Coffee boiler over heating If the water temperature in a coffee boiler rises above 140 C 284 F All the LEDs of the group will blink The heating of the coffee boiler will be stopped The push buttons of the group will be deactivated The display of the group will indicate Group Boiler Temperature The alarm will disappear when the temperature dec...

Page 18: ...e sensor is disconnected The LED of the steam push button will blink The display of the group will show steam probe disconnected The steam push button is still functioning but the steam control system is deactivated The steam push button must be pressed again to stop the steam delivery To remove this alarm switch off then on the machine 7 5 8 Regeneration of water softener When a certain quantity ...

Page 19: ... the flow meters ml c water quantity of regeneration period 7 5 9 Water level on tanker If the following message appears Lack of water It means that the water level tanker contact is open Pratically the user has to place a bridge on this contact see electrical diagram CN10 This contact was made for future application sensor level on Kit solo tankers 17 ...

Page 20: ...e The heating elements are supplied separately according to the above described temperature regulation The maximum consumption of the machine can reach 14Amps per phase 3 group machine With voltage 230V 1NAC power 1 or 2 To reduce power consumption the machine only heats 2 or 3 heating elements at the same time Priority is given to the coffee boilers but one of the three heating elements of the st...

Page 21: ...g key You will enter the BAR MENU The display of the left group will show Water volume Programming To enter the other menus press ENTER for 5 seconds the 4th button from the left Password The display of the left group will indicate Enter the password by means of the push buttons of the left group see above drawing Technical password delivered with the machine this password can be changed by the te...

Page 22: ...of each group in order to activate or suppress the group ENTER for 7 sec Groups Settings Clock adjust HH mm day Doses reading Press or MODE MODE MODE Doses reading reset Doses counter Zero Set ENTER Auto On Off On HH mm Auto On Off Off HH mm ENTER Closed on day xxxxxxxxx MODE MODE ENTER Water volume Programming ENTER ENTER or to reach to set the time and date CONT CAPPU push button to program the ...

Page 23: ...ER and ON HH mm hour minutes of the automatic switch on OFF HH mm hour minutes of the automatic switch off The setting is valid for all days of the week To suppress this function set as follows On Setting a day off on which the machine will not switch on automatically Set by pressing and To suppress this function set _ Reading of the number of coffee delivered Reading doses Pressing and the list o...

Page 24: ...guage ENGLISH Temperatures C Pre Brewing DISABLED MODE MODE Pre Brewing ENABLED Tea water without pump MODE Pbrew Key i Ttot xx Ton yy see Filter alarm menu Total Doses XXXXX MODE MODE ENTER Filter Alarm Drain Filling up without pump Coffee boilers temperatures Group boiler 1 XXX C ENTER Group boiler n XXX C ENTER ENTER Tea water with pump Temp STEAM or variation of the T Name Gr 1 XXX ENTER ENTER...

Page 25: ... 1 10 seconds 1s 10 The pre infusion time can be set between 0 and 50 0 5 seconds To get out of the menu press MODE or wait 30 seconds Filter Alarm Setting of the water quantity used before the alarm is activated When the programmed water quantity is reached the display will show a message to change the cartridge or to regenerate the softener Setting of the following parameters Water quantity 0 to...

Page 26: ...ectrical supply of the security relay RS Several boilers can be drained in same time Remark the pump is never used during this procedure Electrical Heating Control The machine has to be turned off Electrical power supply 400V 3NAC or 230V 1NAC or 230V 3AC 3 possibilities to set the electrical heating control selected with or 400V 3NAC 230V 3AC all the heating elements can be supplied together 230V...

Page 27: ...ODE and ENTER the 4 coffee push buttons of the left group to enter the new password Retype new psw Setting Password Each time one of the push buttons is pressed an asterisk will appear on the display After the fifth asterisk the display will indicate If the repeated password is not correct an error message will appear If the password is correct the display will show again Press MODE to return to t...

Page 28: ...Key i Grp j XXX coffees Coffee Credit enabled MODE ENTER or adjustement of residual credit MODE MODE MODE ENTER MODE or setting of the number of coffees before alarm ENTER MODE ou adjustement of the number of coffees ENTER next key or next groupe Back to the Bar And Technical MODE MODE Setting Password MODE ENTER ENTER or or or MODE To enter the password 5 characters New Password ENTER Retype new ...

Page 29: ...ly quantities related to the coffee credit function similar functions of other menus are not concerned The display will show Coffee Counter 45631 Maximum amount to be set 999999 then the counter is going back to zero Press to reset the counter The display will show Coffee Counter Reset Press ENTER within 5 seconds otherwise the reset will not be taken into account Total of coffees delivered Readin...

Page 30: ...sh buttons and next groups Press MODE or wait 30 seconds to abort Change of the Password The machine is delivered with password Allows to change the password to the Roaster menu set in the factory The display will show Setting Password Press ENTER the display will show New Password Use MODE and ENTER the 4 coffee push buttons of the left group to enter the new password Each time one of the push bu...

Page 31: ...ould not be exposed to the air for too long and be tasted right away waiting for too long the cream the golden foam of volatile oils would disappear and erase all flavour the beans should be stored up to 2 weeks in good conditions moisture proof moderate temperature and airtight In contact with air the beans loose each day 1 of its aroma and ground coffee up to 45 the filter holders must be kept w...

Page 32: ...asket _ Assemble the body L fitted with the nut C in the brass part of the security valve _ Turn on the machine _ Open the cut off tap of the selected group _ Accede to the adjusting screw of the pump press the 2 long coffee push button and adjust the pressure up to 12 bar _ On the 12bar security valve unscrew the locknut C screw slowly the body L check the dripping of the water in the silicone pi...

Page 33: ...r the decanteur Warning The decanter and cappuccinatore cleaning is to be done every day Remove the decanter body and clean it Put the milk tube in a cold water pot without any cleaning product Push the cappuccinatore button 31 ...

Page 34: ...ull up the tube to alternate the water and air suction The water goes up inside the air suction tube and flows out in the basin by the decanter head Clean the two holes in the head with a clothe Reassembly the decanter 32 ...

Page 35: ...10 DIMENSIONS 140 180 460 235 Water supply 3 8 BSP Drain 1 2 BSP 545 à 585 103 2G 772 3G 1001 485 Cable 5x2 5 L 150cm 380 33 ...

Page 36: ...ressure switch BR 16 A Relays box for boilers RCCi Heating element group n i RCi Heating element n i for steam boiler F1 Fuse F2 10 A Fuse RS Security relay TSV Steam boiler security thermostat TSi Coffee boiler n i security thermostat EV i Coffee solenoid valve n i EE Inlet valve MP Pump EC Tea solenoid valve CAPPU Cappu solenoid valve VAP Steam solenoid valve option EF Cold water solenoid valve ...

Page 37: ...12 ELECTRIC DRAWING 12 1 CPU board 35 ...

Page 38: ...nserted and turned the first four push buttons of the left group will become programming push buttons MODE ENTER Cappu key not used Left group The display shows Water volume programming Press ENTER during 5 sec The display shows Press Password Push buttons of the left group The display shows Press or to select the number of groups then ENTER Groups number 1 or Groups number 2 Groups number 1 or Gr...

Page 39: ...emperature sensors connections Be careful when changing the motherboard Do not reverse the temperature sensors connectors otherwise it will damage the coffee boilers the spray nozzle risk to be damage 37 ...

Page 40: ...1 L2 L3 N F1 F2 VAP EE EF CAPPU EV3 MP EV2 EV1 L1 L2 L3 RS N N N N N N N N N N L1 L1 1A T 10A T TRANSFORMATOR EC Tea RELAY BOX TO THE TS TS1 TS2 TS3 CPU BOARD CONNECTION 6 6 0 6 0 1 2 2 1 0 6 2 8 06 07 93 1 92 91 0 04 6 05 BREACKER 25 A FOR 230 V SINGLE PHASE 38 ...

Page 41: ...12 3 Power circuit for 230 V 3AC 6 6 0 6 0 1 2 2 1 0 2 8 06 07 93 1 92 91 0 04 6 05 39 ...

Page 42: ...12 4 Relays box for 400 V 3NAC 230 V 1NAC 40 ...

Page 43: ...12 5 Relays box for 230 V 3AC 2 1 0 2 0 0 2 2 1 0 1 0 0 2 1 2 1 1 0 1 2 41 ...

Page 44: ...13 HYDRAULIC DRAWING Σ Σ Hydraulic diagram Twin Star 2 42 ...

Page 45: ...ormes aux normes 93 68 CEE marquage CE 73 23 CEE basse tension EN 60335 2 15 sécurité des appareils électrodomestiques et analogues compatibilité électromagnétique directive 89 336 CEE modifiée par directive 92 31 CEE application des normes harmonisées EN 55014 pour l émission EN50082 1 pour l immunité électromagnétique 97 23 CEE équipement sous pression EU KONFORMITÄTSERKLÄRUNG Die Firma SACOME C...

Page 46: ...44 La ruche 1 Av Prince Héréditaire Albert B P 119 MC 98007 MONACO Cedex T é l 3 7 7 9 3 1 0 4 3 4 3 F a x 3 7 7 9 3 1 0 4 3 4 4 ht t p w w w c ont i e s presso com E mail tech conti espresso com ...

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