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MAXIBREW 2 TWIN BOILER-BREWER

SERVICE MANUAL

Marco Beverage Systems Ltd.

63d Heather Road,

Sandyford Industrial Estate,

Dublin 18,

Republic of Ireland

Ireland Tel:

(01) 295 2674

Ireland Fax:

(01) 295 3715

UK Tel:

(0207) 274 4577

UK Fax:

(0207) 978 8141

Содержание MAXIBREW 2

Страница 1: ...ILER BREWER SERVICE MANUAL Marco Beverage Systems Ltd 63d Heather Road Sandyford Industrial Estate Dublin 18 Republic of Ireland Ireland Tel 01 295 2674 Ireland Fax 01 295 3715 UK Tel 0207 274 4577 UK...

Страница 2: ...Description 10 4 2 External Arrangement 11 4 3 Access to internal components 11 4 4 Internal Arrangement 12 4 5 PCBs 13 4 5 1 PCB Layout 13 4 5 2 PCB Brewer 2004 1600326 14 4 5 3 PCB Dual Timer 160032...

Страница 3: ...cient installation This manual is not a substitute for any safety instructions or technical data affixed to the machine or its packaging All information in this manual is current at the time of public...

Страница 4: ...or has been damaged in any manner Switch off at the mains unplug or disconnect from outlet and turn off the water supply when not in use and before cleaning Allow to cool before removing components Th...

Страница 5: ...t a stop Valve on a cold water line and attach a 3 4 BSP male fitting e g 3 4 x 1 2 311 or washing machine type stop valve Connect straight tailpiece of the inlet hose to the stop valve fitting Make s...

Страница 6: ...directly affected The Marco Maxibrew 2 Twin uses the Heat fill cycle as standard to ensure that only beverages at the correct temperature are served If more hot water is used than the machine can hea...

Страница 7: ...for different strengths types of coffee Remove the filter paper with the spent grinds as soon as possible after brewing Note allow time for all the coffee to drain from the filter bowl before removin...

Страница 8: ...roximately 10 seconds to mix the coffee in the urns Both urns are aerated when the button is pressed 3 7 TROUBLESHOOTING The Marco Maxibrew 2 Twin uses an electronic diagnostic system to help determin...

Страница 9: ...e large urn cleaning brush and one small sight glass cleaning brush to ensure thorough cleaning To clean the sightglass unscrew the small plastic plugs on the top of the sightglass The sightglass is f...

Страница 10: ...ints Up to 13 6 litres 24 pints Up to 13 6 litres 24 pints Up to 27 2 litres 48 pints Up to 91 litres 160pints Heat Fill Mode Up to 20 litres 35 pints when full Continuous Fill Mode 6 litres 10 5pints...

Страница 11: ...id 2300350 4 3 ACCESS TO INTERNAL COMPONENTS To access the internal components Disconnect the machine from the electrical supply Allow to cool sufficiently Remove the screw from under each of the Plas...

Страница 12: ...00326 13 Top Tray Brew Overflow pipe 4 PCB Dual Timer 1600323 14 Right Brew Pump 1501540 5 PCB Air Pump Driver 1600319 15 Drain Pipe 6 Sightglass 1700250 16 Lamp and Lampholder 1501212 1501213 7 Conne...

Страница 13: ...ustment Controls water level Outputs to the Dual Timer PCB Outputs to the Daughter PCBs 2 PCB Dual Timer Marco part no 1600323 Controls the brew pump timing Controls the Display PCBs Buttons and LEDs...

Страница 14: ...r 3 LEDs 5way connector low voltage Not used on this machine 4 Data I O 4way low voltage Connects to the Dual Timer PCB 5 Earth Tab 6 Mode of Operation selector Heat Fill Continuous Fill The default p...

Страница 15: ...rature ranges should be on middle pins 11 Thermistor Connector 12 Daughter PCB Connector low voltage Connects to Daughter PCBs allows switching of more than one element 13 Relay Heater Switches the el...

Страница 16: ...ust pot VR1 turn clockwise to increase brew time on the left urn Note that with the current software version the Full brew time is double the Half brew time Current Version 2 6 5 Live to Dual Timer hi...

Страница 17: ...also used on the PCB Daughter This reduces wear on components 1 Live Tab connects to mains live 2 4way Connector J2 connects to next Daughter PCB 3 4way Connector J1 connects Daughter PCB to Brewer PC...

Страница 18: ...Service Manual MAXIBREW 2 TWIN 25 03 08 Page 18 of 31...

Страница 19: ...ll Brew function COMPONENTS FUNCTIONS OF RIGHT PCB BREWER DISPLAY 10 Button Coffee Aerator Function 11 LED Not Used 12 Button Not Used Button cap to be removed 13 LED Not Used 14 LED Ready to Brew fun...

Страница 20: ...sprayhead and into the filter basket The coffee runs out of the filter basket into the urn Since the water tank surrounds the urn the brewed coffee is kept at temperature The heat fill cycle ensures...

Страница 21: ...now be selected Note Once again the Green Ready to Brew light indicates that the machine is at a safe level and up to temperature but in this case the water has filled to the high probe already so the...

Страница 22: ...oes not need to be reset when the problem is solved e g if a closed mains water stop valve is the problem opening the valve will allow water into the machine and normal function will resume when the l...

Страница 23: ...epeated Electronic check This indicates that the Thermistor is measuring zero resistance It assumes the thermistor has failed sort circuit The element and inlet valve are turned OFF when this error is...

Страница 24: ...es The level probes provide much of the control inputs into the PCB and are critical to the operation of the machine The wiring to these should be checked regularly and the probes themselves should be...

Страница 25: ...to the level required Low and High Level Probe Assembly left in picture The low level probe has the longest tab 290mm When in position the bottom of the tab rests in a safe position above the element...

Страница 26: ...and place in the drain facility Remove the element assembly clean out door 2 in picture below by unfastening the 8 brass nuts Slide the element assembly through the clean out opening The element asse...

Страница 27: ...g to be used to flush the tank Replace the element assembly and switch on the machine Remove the cup rail and lid of the machine Add a descale solution to the tank through the large sprayhead hose sho...

Страница 28: ...Service Manual MAXIBREW 2 TWIN 25 03 08 Page 28 of 31 4 Technical Data 4 13 Wiring Diagram s...

Страница 29: ...Service Manual MAXIBREW 2 TWIN 25 03 08 Page 29 of 31...

Страница 30: ...Service Manual MAXIBREW 2 TWIN 25 03 08 Page 30 of 31...

Страница 31: ...1501211 Lamp Ballast 1501212 Lamp Holder 1501213 Lamp 5W 2301300 High Level Probe Assembly 2301330 Low Level Probe Assembly 2301325 Brew Level Probe Assembly 2100275 Hot Water Tap with chrome body 21...

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