manual for technical - sanremo...

CAFE RACERManuale per il TecnicoManual for Technical

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CAFE RACERManual for technical

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INDEX 1. Introduction .......................................................................................................... 3 1.1 General safety warnings .............................................................................. 3

2. Removing the tray ............................................................................................... 43. Removing the cup heating plate ........................................................................ 64. Removing the panels .......................................................................................... 7 4.1Removingtheprofileside ............................................................................ 7 4.2 Removing the rear panel ............................................................................. 8 4.3Removingthecoffeeunitguard .................................................................. 9 4.4 Removing the lower front panel ................................................................. 10

5. Layout of main components ............................................................................. 11 5.1 Top view .................................................................................................... 11 5.2 Rear view .................................................................................................. 12 5.3L sideview .............................................................................................. 13 5.4R sideview ............................................................................................. 14 5.5 Removing the electrical panel ................................................................... 15 5.6 Layout of the electrical panel ..................................................................... 15

6. Adjustments - Resets ........................................................................................ 16 6.1Ad ustingmixedwater ............................................................................... 16 6.2Bleedingtheairfromthecircuit ................................................................. 16 6.3 Resetting the service boiler safety thermostat .......................................... 16 6.4 Resetting the small boiler safety thermostat ............................................. 17 6.5 Resetting the unit safety thermostat .......................................................... 17

7. Removals - Replacements ................................................................................ 18 7.1 Replacing the cup heating plate heating element ..................................... 18 7.2 Replacing the cup heating plate probe ...................................................... 18 7.3 Replacing the small boiler heating element ............................................... 19 7.4 Replacing the boiler thermostat ................................................................. 21 7.5 Replacing the unit small boiler .................................................................. 21 7.6 Replacing the coffee boiler heating element ............................................. 23 7.7 Replacing the pump .................................................................................. 24 7.8 Replacing the pump motor ........................................................................ 25 7.9 Replacing the LED plate ............................................................................ 26 7.10Replacingtheboilerfillingsolenoidvalve................................................ 26 7.11Replacingthemixedwatersolenoidvalve .............................................. 27 7.12Replacingthehotwatersolenoidvalve ................................................... 28 7.13Replacingthecoolingcyclesolenoidvalve ............................................. 29 7.14Replacingthepurgesolenoidvalve ........................................................ 29 7.15Replacingthepre-infusionsolenoidvalve ............................................... 31 7.16Replacingtheunitsolenoidvalve ............................................................ 31 7.17Replacingthedisplacementcounter ....................................................... 32 7.18Replacingthepumppressuretransducer ............................................... 33 7.19Replacingtheserviceboilerpressuretransducer ................................... 33 7.20Replacingthepre-infusionexpansionboard ........................................... 34 7.21Replacingtheelectronicboard ................................................................ 34 7.22 Replacing the electrical panel components ............................................. 35 7.23Replacingthedisplayboard .................................................................... 36 7.24Replacingtheunitdisplay ....................................................................... 37 7.25 Removing the service boiler .................................................................... 39 7.26 Replacing the steam tap .......................................................................... 40 7.27 Replacing the safety thermostat .............................................................. 41 7.28Replacingthewaterdispensingtapbutton ............................................. 41 7.29 Replacing the LED bar ............................................................................ 42 7.30 Replacing the main switch ....................................................................... 43 7.31Removingtheheadandgas ets ............................................................. 44

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8. Programming by the technician ....................................................................... 45 8.1 Language .................................................................................................. 46 8.2 Name ......................................................................................................... 46 8.3 Service tel. ................................................................................................. 46 8.4 Number of units ......................................................................................... 46 8.5 Chrono function ......................................................................................... 47 8.6Inta e coffee ........................................................................................... 47 8.7 Watt ........................................................................................................... 47 8.8Steampressuretransducer ....................................................................... 47 8.9 Pump pressure offset ................................................................................ 48 8.10Programmingdoses ................................................................................ 48 8.11Fourdoses ............................................................................................... 48 8.12 Displacement counter offset 1-2-3 .......................................................... 48 8.13 Sensitivity ................................................................................................ 49 8.14 Maintenance cycles ................................................................................. 49 8.15 Temperature ............................................................................................ 49 8.16 Temperature (C° / F°) .............................................................................. 49 8.17 Boiler temperature ................................................................................... 50 8.18 Unit temperature offset ............................................................................ 50 8.19 Inactivity time ........................................................................................... 50 8.20 Filling timeout .......................................................................................... 51 8.21Waterfilter ............................................................................................... 51 8.22Numberofcredits .................................................................................... 51 8.23 Cooling cycle ........................................................................................... 51 8.24Password ................................................................................................. 52 9. Hydraulic diagram ............................................................................................. 53 10. Wiring diagram ................................................................................................ 54

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1. INtRoDuctIoN

- Thismanualwaswrittenonlytobeusedbyauthorisedtechniciansofthemanufactur-er.

1.1 General safety warnings

- Whenoperatingon themachine,ma esure that themainswitchand themachineswitch are in oFFpositionandthatthewatersupplytapisclosed.

- Whensomeoperations ad ustmentsneedtobecarriedoutwiththepoweron,operate with extreme care.

- Whenoperatingon themachine,chec that thewatercontained in themachine iscold.

- Whensomeoperations ad ustmentsneedtobecarriedoutwiththemachineatoper-ating temperature, operate with extreme careandusesuitablepersonalprotectiveequipment.

- Suitablepersonalprotectiveequipmentmustbeworninanycaseasrequiredbycur-rent safety regulations in the country of use.

- Currentspecificregulationsinthecountryofusemustbefollowedatalltimes.

- Seetheattachedwiringdiagramforalloperationsontheelectricalsystem.

- Seetheattachedwaterdiagramforalloperationsonthewatersystem.

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2. REmovING tHE tRAy

- Remove the grille (1).

- Liftandremovethetray(2).

- ndothefourAllenscrews(3).

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- Loosenthescrew(4)andremovethetraysupport(5).

When reassembling the tray (5) check the conditions of the oR gaskets (6) and grease them.

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3. REmovING tHE cuP HEAt-ING PLAtE

- nscrewscrew(1)onbothsides.

- Remove the grilles (2).

- Lift the cup heating plate (3).- Disconnect the connector (4) of the probe.- Disconnect the heating element connector (5).- Remove the cup heating plate (3).

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4. REmovING tHE PANELS

Remove the side panels and the cup heat-ing plate to access all the internal ma-chine components.

4.1 Removing t e profile side- Unscrew the screws (1).

-Removetheprofileside(2).

- Unscrew the screws (3) fastening the panel (4).

- Remove panel (4).

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4.2 Removing the rear panel- nscrewthetwosidescrews(1).

- Removethepipe(2)connectingthetwoshoulders.

- Unscrew the three screws (3). - Loosen the three screws (4).

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4.3 Removing the coffee unit guard- nscrewthescrews(1)onbothsides.

- Remove the rear panel (5).

- Widenthetwoguards(2)andremovethem.

- Pullouttheguard(3)withthedisplaytowardthefront.

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- Disconnecttheconnectors(4)and(5).

4.4 Removing the lower front panel- Loosen the two Phillips screws (1).

- Pull out panel (2).

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5. LAyout oF mAIN comPoNENtS5.1 top view1)Unit “1” boiler2)Unit “2” boiler3)Unit “3” boiler4) nit“1”displacementcounter5) nit“2”displacementcounter6) nit“3”displacementcounter7) nit“1”pre-infusionsolenoidvalve8) nit“2”pre-infusionsolenoidvalve9) nit“3”pre-infusionsolenoidvalve10) RH steam tap shut-off tap11) LH steam tap shut-off tap12) Service boiler13)Steampressuretransducer14) Safety valve15) Pump motor16) Water pump17)Drainsolenoidvalve18) Unit 1 shut-off tap19) Unit 2 shut-off tap 20) Unit 3 shut-off tap

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5.2 Rear view1) Service boiler2)Drainmanifold3)Coolingcyclesolenoidvalve(boilerwater regen-

eration)4)Steamboilerdraintap5)Mixedwatersolenoidvalve

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5.3 LH side view1)Loadingflange2)Pumppressuretransducer3)Waterloadingsolenoidvalve4) LED plate5) Main electronic control unit6)Pre-infusionexpansionboard7)FrontandsideLEDon offswitch

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5.4 RH side view1)“Purge”drainconnections2) “Purge” button3)“Purge”solenoidvalve4)Expansionvalve5) LED plate6) Boiler heating elements

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- Pull out the electrical panel (2).

5.6 Layout of the electrical panel1) Power relay2)Triacboard(unitheatingandsmallboilerpre-heat-

ing)3) High voltage self-centring connector4) Single phase static relays to control steam boiler

heating5)Condenser6)WIFIinterfaceboard(optional)7) Power unit cooling fan8)Switchingpowerunit(stabilisedtransformer)9) Fuse “F2” 3.15 A - LED fuse10) Fuse “F1” 1 A - Control unit fuse

5.5 Removing the electrical panelRemovethelowerfrontpanelasdescribedintherel-evant paragraph- nscrewthetwo nobs(1)locatedunderthefront

of the machine.

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6. ADJuStmENtS AND RESEtS6.1 Adjusting mixed water

- Actonthescrew(1)ofthemixedwatersolenoidvalvelocatedintheleftrearlowerpart,toad ustthe amount of coldwater that ismixedwith hotwaterduringwaterdispensing.

6.2 Bleeding the air from the circuit

- Press button (1), located in the right front lowerpart,toenergisethecoilsandbleedanyairfromthe circuit.

- eep the button pressed until onlywater comesoutofthedrain,notwatermixedwithair.

6.3 Resetting the service boiler safety thermo-stat

- RemovetheR sidepanelasdescribedintherel-ative paragraph.

- Press the safety thermostat (1) to reset it.

If the thermostat trips again when the machine is restarted after re-setting the safety thermostat, check the boiler heating elements and the other thermostats in the machine.

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6.4 Resetting the small boiler safety thermostat

- Removethecupheatingplateasdescribedintherelevant paragraph.


If the thermostat trips again when the machine is restarted after re-setting the safety thermostat, check the adjustment of the small boiler temperature thermostat or its proper functioning.

6.5 Resetting the unit safety thermostat

- Removetheunitguardsasdescribedintherele-vant paragraph.


If the thermostat trips again when the machine is restarted after re-setting the safety thermostat, check the adjustment of the small boiler temperature thermostat or its proper functioning.

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7. REmovAL AND REPLAcEmENt7.1 Replacing the cup heating plate heating ele-

ment- Removethecupheatingplateasdescribedinthe

relevant paragraph.- nscrewthenut(1)connectingthegroundwire.

- seaspatulatoremovetheadhesiveheatingele-ment (2).

- Cleanthesurfaceofglueresidues.- Screwthegroundnutbac inandgraduallyplace

the heating element (2) on the surface so that therearenoairbubblesbetweenthesurfaceandthe heating element.

7.2 Replacing the cup heating plate probe- Removethecupheatingplateasdescribedinthe

relevant paragraph.- nscrewthenut(1)andremovethestoppingplate

(2).

- nscrewthenut(3)andremovetheprobe(4).

When reassembling, spread conductive paste between the probe and the cup heating plate.

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7.3 Replacing the boiler heating element

cut the power to the machine by setting the upstream main switch to oFF.

- Remove theunit guardasdescribed in the rele-vant paragraph.

- Removethelowerfrontpanelasdescribedintherelevant paragraph.

- Ensurethemachineisoffandthewatersupplytapisclosed.

- Drain the coffee circuit by opening the tap (1) of the boiler unit.

- Disconnect the two Faston connectors (2) from heating element (3).

- Disconnectthewaterdraintube(4);presstheringnutandpullthetube.

- Unscrew the nut (5) of the water supply tube.

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- Unscrew the screws (6) fastening the boiler cover.

- Use a plastic hammer to tap the cover (7) to facili-tate its removal.

- Remove the cover (7).

- nscrewthenuts(8)andreplacetheheatingele-ment (9).

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Refit ever t ing operating in reverse or-der from removal checking the condition of the gasket (10) and replacing it if it is worn. check proper electrical connection of the heating element and of the safety thermostat.

7.4 Replacing the boiler thermostat- Removetheboilercover(1)asdescribedinpara-

graph “Replacing the boiler heating element”.- nscrew the nut (2) and remove the thermostat

(3).

When reassembling, spread conductive paste on the contact surfaces between the thermostat (3) and the cover (1).

7.5 unit boiler replacement.- Removethecupheatingplateandthefrontpanel

asdescribedintherelevantparagraphs.- Drainthecoffeecircuitoftheboilertoberemoved

by opening the relevant tap (1).

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- Disconnect the boiler electrical connections (2). (3).

- Disconnect the probe connector (4).

- Unscrew the two water connection tubes (5).

- Loosen thenuts (6), lift it anddetach it from thesupportbrac et(7).

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- Disconnect the connectors (8) of the heating ele-ment and unscrew the nut (9) connecting the drain tap.

- Replace the boiler by operating in inverse order of removal, reconnecting the electrical cables ac-cording to the attached wiring diagram.

7.6 Replacing the coffee boiler heating element

Cut the power to the machine by setting the upstream main switch to OFF.

- Remove the RH side panel and the cup heating plate as described in the relevant paragraphs.

- Open the tap (1) to drain the water from the boiler (2).

- Disconnect all wires connecting the heating ele-

ment (3) to the machine wiring, unscrewing the relevant nuts (4).

- Remove the Seeger ring (5) and guard (6).- Remove the heating element (3).

- Refit everything operating in reverse order fromremoval checking the condition of the heating ele-ment and replacing it if it is worn.

- Connect the wiring following the instructions on the wiring diagram attached to this manual.

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7.7 Replacing the pump- Removethecupheatingplateasdescribedinthe

relevant paragraph.- Disconnect the pump from tubes by unscrewing

nuts(1)and(2).

- Loosen the strap (3).

- Remove the complete pump (4): When reassembling, pay attention to properly fitthepumppinontothecran shaft.

When reassembling, pay attention to properl fit t e pump pin onto t e cran -shaft.

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7.8 Replacing the pump motor- Remove the cup heating plate and the L side

panelasdescribedintherelevantparagraphs.- Remove the pump as described in the relevant

paragraph without disconnecting the inta e anddeliverypipes.

- nscrew the two screws (1) andmove the LEDplate(2)withtherelevantbrac et(3).

- Loosen the screws (4) fastening the pump to the plate (5).

- Disconnectthetwopumpconnectors(6)and(7).

- Liftthepumpmotor(8)detachingitfromtheplate(5)andremoveit.

- Reassembleeverythinginreverseorderofremov-al, paying attention to connect connector (7) to the 3-wayconnectorbelowit;seethewiringdiagram.

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7.9 Replacing the LED plate-Removethesidepanelasdescribedintherelative

paragraph. - Unscrew the two screws (1).

- Disconnecttheconnector(2)fromthe unctionboxandreplacethecompleteplate(3).

.1 Replacing t e boiler filling solenoid valve- RemovetheL sidepanelasdescribedintherel-

evant paragraph.- Disconnect the two Faston connectors (1) from the

coil (2).

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- Unscrew the nut (3) of coil (2).

- ndothefourscrews(4)andremovethecore(5)ofthesolenoidvalve.

- When reassembling, pay attention to properly con-nect the Faston connectors to the coil.

When reassembling the core, pay atten-tion to properly reassemble the gasket, core and spring.

7.11 Replacing the mixed water solenoid valve- RemovetheL sidepanel,theL sideprofileand

therearpanelasdescribed in therelevantpara-graphs.

- Unscrew the two bushings (1).

- Unscrew screw (2).

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- Removetheleftshoulder(3).

- nscrew the screws (4) fastening the solenoidvalve(5)tothebrac et(6).

- DisconnectthetwoTeflontubes(7).- Disconnect the two Faston connectors (8). - Remove the clip (9) to replace the coil or replace

theentiresolenoidvalve(5).- When reassembling, pay attention to properly con-

nect the Faston connectors to the coil.

7.12 Replacing the hot water solenoid valve- Removethecupheatingplateasdescribedinthe

relevant paragraph.- Disconnect the Faston connectors (1).- nscrewthetwonuts(2)andremovethesolenoid

valve (3).- Replacethecoilorsolenoidvalveandreassemble

ininverseorderofremoval.

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7.13 Replacing the cooling cycle solenoid valve- Removethecupheatingplateasdescribedinthe

relevant paragraph.- Disconnect the Faston connectors (1).

- nscrewthenut(2)andremovethecoil(3).

- ndothefourscrews(4)andremovethecore(5).- When reassembling, pay attention to properly con-

nect the Faston connectors to the coil.


7.14 Replacing the purge solenoid valve.- RemovetheR sidepanelasdescribedintherel-

ative paragraph.- nscrew the two screws (1) andmove the LED

plate(2)withtherelevantbrac et(3).

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- Cut the strap (4).

- Disconnect the tube (5).

- Loosenthenut(6)fasteningtheflange(7)tothebrac et.

- Disconnect the Faston connectors (8).

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- Positionaspanneronthesolenoidvalvebody(9)andunscrewitfromtheflange(7).

- When reassembling, pay attention to properly con-nect theFastonconnectors to thecoilandplacethestrapbac initsoriginalposition.

7.15 Replacing the pre-infusion solenoid valve.- Removethecupheatingplateasdescribedinthe

relevant paragraph.- Disconnect the Faston connectors (1).

- nscrewthethreenuts fittings(2)andremovethesolenoidvalve(3).


- nscrewthethreenuts fittings(2)andremovethesolenoidvalve(3).


7.16 Replacing the unit solenoid valve- Removetheunitguardsasdescribedintherele-

vant paragraph.- Disconnect the Faston connectors (1) with a nee-

dle-noseplier.

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- Open thewire strap (2)anddisconnect the tube(3).

- ndothefourscrews(4)andremovethecorewithcoil (5).



7.17 Replacing the displacement counter.- Removethecupheatingplateasdescribedinthe

relevant paragraph.- ndothescrew(1)andremovethehead(2).

- nscrewthenuts(3)anddisconnectthetubes(4).

- Loosenthetwonuts(5)locatedunderthesupportsquare,thenpulloutthedisplacementcounter(6).

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7.18 Replacing the pump pressure transducer- Removetheleftpanelasdescribedintherelevant

paragraph.- Cutthestraps(1)fasteningthetransducercableto

the machine wiring.

- nscrewthetransducer(2).

- nscrew screw (3) and disconnect contacts (4)fromtransducer(2).

7.19 Replacing the service boiler pressure trans-ducer

- Removethecupheatingplateasdescribedinthe

relevant paragraph.- nscrewthetransducer(1).- nscrew screw (2) and disconnect contacts (3)

fromtransducer(1).

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7.20 Replacing the pre-infusion expansion board - Remove the cup heating plate and the L side

panelasdescribedintherelevantparagraphs.- sealongPhillipsscrewdriver(1)tounscrewthe

fasteningscrewoftheexpansionboard

- Disconnect the connectors (2).

- Pullouttheboard(3)anddisconnecttherearcon-nector (4).

mark the position of connectors so that they are inserted in the relevant seat when the board is reassembled.

7.21 Replacing the electronic board- RemovetheL sidepanelasdescribedintherel-

evant paragraph.- nscrew the two screws (1) andmove the LED

plate(2)withtherelevantbrac et(3).

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- ndothetwoscrews(4)andremovethecover(5)oftheelectronicboard.

- Disconnect all connectors of board (6), unscrewthethreeflangednuts(7)andremovetheboard.

- Connect theconnectormar ed“AT”toconnector(2),and theconnectormar ed“BT” toconnector(3).

7.22 Replacing the electrical panel components

to perform this check, the electrical con-nection must be inserted, therefore the electrical panel components (4) are pow-ered up.

operate with utmost care.

- Inordertochec properoperationoftheelectricalpanelcomponents,pullthepaneloutandconnecttherelevantextension,supplieduponrequest.

- Removethelowerfrontpanelasdescribedintherelevant paragraph.

- Pullouttheelectricalpanelasdescribedintherel-ative paragraph.

- Insert theextension(1) inplaceof thepanel intothe machine.

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7.23 Replacing the display board- Removethecupheatingplateasdescribedinthe

relevant paragraph.- Loosenthefournuts(1),twooneachside.

- Iftheplate(5)isremoved,assembletheconnec-torsasshowninthefigure,payingattentiontopo-sitiontheguide(6), forbothconnectors,asposi-tionedinthefigure.

- Disconnect the connector (2).

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- Pulloutthedisplayboard(3).

- ndothescrew(4)andremovetheframe(5).- nscrewthetwoscrews(6)andremovethedis-

playboard(7)frombrac et(8).

7.24 Replacing the unit display- Removethecoffeeunitguardsasdescribedinthe

relevant paragraph.- Disconnectthetwoconnectors(1)and(2)andre-

move the sponge (3).

- Unscrew the three front screws (1).

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- Removetheexternalframe(2).

- Remove the internal frame (3).

- nscrewthetwoscrews(4)andremovethedis-play (5).

- After replacing thedisplay, set thedip-switch (6)accordingtothefact thatunit“1”,“2”or“3” is in-stalled;seethefiguretoad ustthedip-switch.

1

ON ECE

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ON ECE

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ON ECE

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1st unit 2nd unit

3rd unit

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7.25 Removing the service boiler- Remove the cup heating plate and the R side

panelasdescribedintherelativeparagraphs.- Disconnect the heating element (2) electrical con-

nection cables (1).- nscrewthenut(3)andremovethegroundwire

(4). - nscrewthenut(5)anddisconnecttherightsteam

tap connection tube (6).

- nscrewandremovethetemperatureprobe(7).- Disconnect the maximum level probe connector

(8). - Disconnect the minimum level probe connector

(9). - nscrewthenut(10)anddisconnecttheairbleed

tube (11).

- nscrewthenut(12)andremovethetransducertube (13).

- nscrewthenut(14)anddisconnecttheleftsteamtap connection tube (15).

- nscrew thenuts (16)anddisconnect themixedwatersolenoidvalveconnectiontube(17).

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- nscrewthenut(18)oftheboilerdraintube.

- Cut the strap (19) and remove the safety valvedraintube(20).

- Pullouttheboilerupwards.

7.26 Replacing the steam tap- Removethecupheatingplateasdescribedinthe

relevant paragraph.- Close the tap (1) pertaining to the steam tap to be

replaced.

- nscrewthenut(2)anddisconnectthetube(3).- Unscrew the nut (4) fastening the tap to the ma-

chinebody.

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- Remove the tap (5) from the front.

7.27 Replacing the safety thermostat.- Remove the RH side panel as described in the rel-

ative paragraph.- Unscrew the two screws (1), disconnect the ther-

mostat (2) from the support square and disconnect the Faston connectors.

- Cut the strap (3) and (4) and pull out the bulb (5). - When reassembling, pay attention to properly con-

nect the Faston connectors and properly position the straps.

7.28 Replacing the water dispensing tap button- Undo the two screws (1) and remove the ring nut

(2).

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- Loosen the screws (3) and disconnect thewires(4).

- When reassembling, properly reconnect the wires (4).

7.29 Replacing the LED bar- Removetheleftpanelwithshoulderandthelow-

er front panel as described in the relevant para-graphs.

- Unscrew the three screws (1).

- Disconnect the connector (2).

- PullouttheLEDbar(3)fromtheside.

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7.30 Replacing the main switch.

make sure that the main switch upstream of the machine is in oFF position, then post a sign on the main switch saying "maintenance in progress" so that no one turns on the power during this operation.

- Removethecupheatingplateasdescribedintherelevant paragraph.

- Cut the strap (1)- Disconnect all the connectors (2).- Unscrew the ring nut (3).

- Remove the switch (4).

- Reassembleeverythinginreverseorder,referringto theattachedwiringdiagramforelectricalcon-nections.

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7.31 Removing the head and gaskets

- Leveragewithascrewdriver to remove thehead(1)andrelevantgas et(2).

- Insertthenewgas et(2)onthehead(1).

- Thebevelcorners“A”ofthegas etmustbefacingupward.

- Removethefilterfromthefilterholder(3)andas-semble theheadwithgas eton thefilterholder(3).

- Wet theheadwithwaterandassemble thefilterholder(3)onthemachinepressingthoroughly.

- Loc thefilterholder(3).

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8. PRoGRAmmING By tHE tEcH-NIcIAN

- Toaccesstheprogrammingmode,bringthema-chine to theelectronicOFFand eep thecentralbutton(1)pressed,thenpressbutton(2),thedis-playshows“oFF”andbutton(2)flashes.

- Press and eep pressed button (1) until PASS-WORD appearson thedisplay (3);pressbutton(1)fivetimestoentertheprogrammingmode;thedefaultpasswordis“11111”.

Programming by the technician follows drill-downscreens with the various programming sequences, therefore scroll through the sequencesand confirmthesetdatauntil reaching thedesiredsequence tobemodified.

The programming sequences are:- Language- Name- Service tel.- Number of units- Chrono function- Inta e coffee- Watt- Steampressuretransducer- Pump pressure offset- Programmingdoses- Fourdoses- Displacement counter offset 1- Displacement counter offset 2- Displacement counter offset 3- Sensitivity- Maintenance cycles- Temperature- Boiler temperature- Unit 1 temperature offset- Unit 2 temperature offset- Unit 3 temperature offset- Inactivity time - Rest temperature offset- Filling timeout- Waterfilter- Numberofcredits- Cooling cycle- Passwordchange

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8.1 LanguageIn this section, you can set the language for the mes-sagesshownonthedisplay.- press the button “ ” or “ ” to change lan-

guage;pressbutton“ ”toconfirmandmovetothenextsection.

The available languages are:Italian, English, French, German, Spanish.

8.2 NameThe machine name is shown in this section - Press the button “ ”togotothenextsection.

8.3 Service tel.In this section, you can set the phone number of the servicecentre(themodifiablenumberblin s).- to set the number, press button “ ”toconfirm

thenumberandmovetothenextnumberbypress-ing button “ ”;

- Press the button “ ”toconfirmthephonenum-bersetandgotothenextsection.

8.4 Number of unitsThissectionisusedtosetthenumberounits,whichmustalwaysbe 3 .- Press the button “ ” to confirm the selection

andgotothenextsection.

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8.5 chrono functionTheChronofunctionallowsdisplayingthenumberofsecondsthecoffee isdispensedforontheunitdis-play.- Press button “ ”toenableordisablethefunc-

tion.- Press the button “ ” to confirm the selection


8.6 Intake + coffeeInthissection,youcanenableordisableloadingwa-terwhilecoffeeisbeingdispensed;- to eep thepressureconstant,set this to “DISA-

BLED” otherwise set it to “ENABLED”;- Press button “ ”toenableordisablethefunc-

tion.- Press the button “ ” to confirm the selection


8.7 WattThis function isused toset themachinepowerbe-tweenaminimumof3500wattanda“Full”maximumof8750watt;thedefaultsettingis6500watt.- Press button “ ” or “ ” to change watt.- Press the button “ ” to confirm the selection


8.8 Steam pressure transducerThis function isused toenableordisable thepres-suretransducerpositionedabovetheserviceboiler.- InthiscasethepressuretransducermustbeENA-

BLED.- Press the button “ ”togotothenextsection.

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8.9 Pump pressure offsetThisfunctiondisplaysthedifferencebetweenthesetpressureandtheactualpumppressure.Thisissetto“0.8”andmustnotbechanged.- Press the button “ ”togotothenextsection.

8.10 Program dosesWith this function, you can enable or disable pro-grammingdosesbymeansofthebuttons.Leave it ENABLED in this case.- Press the button “ ”togotothenextsection.

8.12 Displacement counter offset 1-2-3- Iftherearediscrepanciesbetweenthesetmland

thedispensedml, thesettingcanbead ustedbypressing the button “ ” or button “ ”

- Press the button “ ” to confirm the selectionandgotothenextsection.

8.11 Four dosesThisfunctionsisusedtoenablethebuttonmultifunc-tion;leaveitselectedto ES .- Press button “ ”oncetodispenseashortcof-

fee.- Press button “ ” twice to dispense two short

coffees.- Press button “ ”oncetodispensealongcof-

fee.- Press button “ ”twicetodispensetwolongcof-

fees.- Press the button “ ”togotothenextsection.

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8.13 SensitivityThissectionisusedtoselectthetypeofsensitivityofthe boiler water level probe:

- Use button “ ” or button “ ” to set the sensi-tivityto“Low”-“Average”-“ igh”accordingtothewateracidity;withhighwateracidity,alowsensi-tivity must be set for the probe, while a high sensi-tivitymustbesetwithlowwateracidity.

- Typically, the “MEDIUM” sensitivity covers 90% of cases.

- Press the button “ ” to confirm the selectionandgotothenextsection.

8.14 maintenance cyclesInthissection,youcansetafterhowmanydispens-ing cycles the machine requires maintenance.- Press the button “ ” or “ ” to set the cycles.- Whenthesetnumberofcycleshasbeenreached,

theservicephonenumberappearsonthedisplay.- Press the button “ ” to confirm the selection


8.15 temperatureChec that ENABLED issetinthissection.- Press the button “ ”togotothenextsection.

8.16 temperature (c° / F°)In this section, you can set the temperature scale to °C or °F:-Press the button “ ” or “ ” to set the scale.- Press the button “ ” to confirm the selection


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8.17 Boiler temperatureChec that the service boiler temperature is set to124°C / 255°F in this section.- Press the button “ ”togotothenextsection.

8.18 unit 1-2-3 temperature offsetIf there are discrepancies between the set temper-ature and the actual temperature, they can be cor-rectedby increasingordecreasing the temperatureof the unit.- Press the button “ ” or “ ” to set the value.- Press the button “ ”togotothenextsection.

8.19 Inactivity timeIf themachine is installed in an outdoor ios , thetemperatureislowandthemachineisinactiveforafewminutes, theunit temperaturemaydrop0.5 °Cor 1°C.- ou can set an inactivity time beyondwhich the

machine automatically increases the unit tempera-turetoavaluesetinthenextscreen RESTTEMP.OFS .

- Press the button “ ” or “ ” to set the values.- Press the button “ ”togotothenextsection.

In this section,youcansetthedegreesofunittem-peratureincreaseinordertocompensateforinactivityoracoldclimate.- Normallythisfunctionisnotused,sosetthevalue

to 0 inbothscreenstodisablethefunction.- Press the button “ ”togotothenextsection.

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8.20 Filling timeoutThewaterfillingsolenoidvalveopeningtimecanbesetinthissection;whenthistimehaselapsedthemachinestopsiffillinghasnotyetoccurred.- Press the button “ ” or “ ” to set the value

(normally120secondsisset).- Press the button “ ” to confirm the selection


. 1 ater filterIn this section, you can set after how many litres of waterusedtodispensecoffee,thewaterfilterneedstobereplaced.- Press the button “ ” or “ ” to set the litres.- Press the button “ ” toconfirmthevalueand

gotothenextsection.

8.22 Number of creditsThissectioncanbeusedtosetafterhowmanycof-feesthemachinestops;thisfunctioncanbeenabledordisabled;- Press the button “ ” or “ ”toenableordis-

ablethisfunctionsorsetthemax.no.ofcoffeestobedispensed;- when“DISABLED”isselected,pressbutton “ ”togotothenextsection;- if the quantity of coffees after which the ma-

chine is stopped is set, the value is set withbutton

“ ” or “ ”.- Press the button “ ” toconfirmthevalueand

gotothenextsection.8.23 cooling cycleThe function allowing to empty the service boiler to regenerate thewater within can be enabled in thissection.- Press the button “ ” or “ ”toselect ES

or NO .- When“ ES”isselected,theemptyingcyclestarts

automatically by disabling the heating elements,then the machine automatically quits the technical menuattheendofthecycle.

- This operation can be stopped by pressing anybuttonsonthefirstpushbuttonpanelontheleft.

- Select“NO”andpressbutton“ ” to go to the nextsection.

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8.24 PasswordInthissection,youcanchangethepasswordtoac-cess the technician section.- Use the button “ ” to set “NO” to leave the cur-

rentpasswordor“ ES”tochangeit:- Ifyouhaveselected“NO”,pressthebutton“ ”

toexitthetechnicianmenu;- Ifyouhaveselected“ ES”,pressthebutton“

”toconfirmtheselectionandgotothenextsectionwheretheblin ingnumberisthemodifiableone.

- sethebuttonsofthefirsttwounitsonthelefttosetthepassword.

Button (a) to enter number “1” Button (b) to enter number “2” Button (c) to enter number “3” Button(d)toenternumber“4” Button (e) to enter number “5” Button (f) to enter number “6”- Oncethenewpasswordisset,themachineauto-

matically quits the technical menu.

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LEGEND

1) Watergridsupply2) Softener3) Water inlet tap4) Water outlet tap5) Filter6) Chec valve7) Loadingflangewithfilter8) Boilerdraintap9) Coffee circuit tap10) Gigleur 0.3mm11) Gigleur 1mm12) Gigleur 2mm13) Dispensing unit14) Filterholder15) Antivacuum valve16) Steam shut-off tap17) Steam tap18) Hot water outletBo2) Steam boiler (2 units)Bo1) Steam boiler (3 units)Bo4) Coffee boiler

Ev1) BleedsolenoidvalveEv2) DispensingunitsolenoidvalveEv5) SolenoidvalveforautomaticfillingEv6) MixedcoldwatersolenoidvalveEv7) Steaminta esolenoidvalveEv8) CoolingcyclesolenoidvalveEv9-10-11) Pre-infusionsolenoidvalveFW1-2-3) Displacement counterm1) Motor with 300 litre pumpoWv1) Loadingflangechec valvePB1)MaxlevelprobePB2) Minimum level probePB3) Coffee unit temperature probePB4-6-8) Coffee boiler temperature probePB9) Steam boiler temperature probeR1) Steam boiler heating elementR2) Unit heating elementR8-9-10) Coffee boiler heating elementSv1) 12BarexpansionvalveSv2) Safety valveSv3) 12Barad ustableexpansionvalvetS1) BoilerpressuretransducertS2) Pumppressuretransducer

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SCHEMA IDRAULICO CR 2-3GR 10/01/17

R213EV2

14

M

R1

SV2

15

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PB2

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PB8

9

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10

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8

11

11

11

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12

BO1 / BO2

BO4

BO4

R8

R9

R10

EV10

EV9

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10. WIRING DIAGRAm

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+ - REF.

PRO

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REF.

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13N

1

14N

1

9 F+

8 F+7 F+

6 F+

8L1

3L2

3L3

9L1

4L2

4L3

11L1

6L2

6L3

12L1

7L2

7L3

13L1

8L2

8L3

14L1

9L2

9L3

BAR

&PA

RAM

ETER

SD

ISPL

AY

5

5

EVPR

1EV

PR2

EVPR

3

4F+

CN6

EXPA

NSI

ON

6 R

ELAY

S (B

1)(P

rein

fusio

n Co

ntro

l)

3031

32

CN30 + -

+5Vd

cO

UT

-

(TS2

) PU

MP

PRES

SURE

TRAN

SDU

CER

0-16

bar

+ -+5

Vdc

OU

T-

(TS1

) STE

AMPR

ESSU

RETR

ANSD

UCE

R0-

4 ba

r

+ -+5

Vdc

OU

T-

POW

ERSU

PPLY

SWIT

CHIN

G(S

W1)

NF

100-

240V

AC

G7J

-4A-

B24

V (c

omm

and)

NA:

25A

at 2

20 V

c.a.

150W

-+

3,15

A

CN46

SLAV

ETR

IAC

Boar

d

CN47

SLAV

E6

rela

ys

CN47

MAI

NBO

ARD

1 2 3 4

OU

T-

+5Vd

c

STEA

M &

PUM

PPR

ESSU

RETR

ANSD

UCE

R

+24V

dc +

-

EVAI

R(E

V1)

10 11 12 13 14 17 18 19 20CN

21CN

27

123

4 1 PH

ASE

RELA

Y4-

32V

DC

240V

25A

AC

123

4 1 PH

ASE

RELA

Y4-

32V

DC

240V

25A

AC

123

4 1 PH

ASE

RELA

Y4-

32V

DC

240V

25A

AC

10L1

5L2

5L3

(T3)

SAF

ETY

THER

MO

STAT

S13

5°C

1 PH

ASE

+

-W

H

+

-W

H

+

-W

H

+

-W

H

+

-W

H

+

-W

H

+

-W

H

+

-W

H

+

-W

H

+

-W

H

LIG

HT

SWIT

CH(S

4)

FRO

NTA

LLE

D S

TICK

12W

(L1)

RIG

HT

LED

STI

CK (L

2)

LEFT

LED

STI

CK (L

3)

A2

15

CN49

CN48

24 V

28

GN

D

-

CN2

+24V

dcCN

3CN

4

AUX3

AUX2

AUX1

-

EV 1

GR

EV 2

GR

EV 3

GR

EV F

ILL

EV T

EA

EV O

N/O

FF

3031

32

30

-+

29

PUM

P N

CUP

WAR

MER

N

32

230

V

CN1

TEA

SWIT

CH(S

3)

16 12

EL. C

OO

LIN

CYC

LE(E

V8)

16

EV.P

R2(E

V10)

EV.P

R1(E

V11)

EV.P

R3(E

V9)

2825

28

25

29

14N

1

M2

(C3) EL

ECTR

ICAL

SCH

EMAT

IC C

R 2-

3GR

3PH

ASES

OPT

ION

ALS

(M2)

EXTE

RNAL

PUM

P 24

5W

300L

3F+

2N -

3N-

COO

LIN

G F

AN

24

DC

(CF1

)

5 F+

CN39

+12

Vdc

CN36

31

EL. S

TEAM

TEA

(EV7

)

27

27

27

28

(F1)

(F2)

1,25

A(F

3)

( RL

2 )

( RL

3 )

( RL

4 )

(FW

1)(F

W2)

(FW

3)

(PB1

)

(PB2

)

(D1)

(D2)

(D3)

(D4)

POW

ER S

UPP

LY 3

P+N

+PE

400V

5

0Hz

Ph3P

h2Ph

1Neu

t. GN

D

L3L2

L1N1

SCRE

WTE

RMIN

AL(T

M1)

14N

1C1

CAPA

CITO

RFI

LTER

SC2

C3

(FT1

)

(FT2

)

(FT3

)

WIF

I (B4

)In

terfa

ce CN9

CAFE RACER

04-2017


56 / 56-EN

EN

PRELIMINARY REV 00

SANREMO s.r.l.Via Bortolan, 5231050 Vascon di Carbonera (TV)ITALIAtel. +39 0422 448900fax +39 0422 448935p.iva /c.f. [email protected] C

od. 8

2012

001-

04/2

017

manual for technical - sanremo...

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