La San Marco 80/12 L Use And Maintenance Download Page 1 | Manualshive

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USE AND MAINTENANCE

Preziosa 80/12

Preziosa 80/16M

80/12 L

80/16M L

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Summary of Contents for 80/12 L

Page 1: ...USE AND MAINTENANCE Preziosa 80 12 Preziosa 80 16M 80 12 L 80 16M L ...

Page 2: ...libration of water pressure in the boiler 28 6 4 Heating the water in the boiler 28 6 5 Cup heater 28 6 6 Steam delivery 28 6 7 Hot water delivery 28 6 8 Preparation of ground coffee 28 6 9 Brewing coffee 28 6 10 Draining the boiler 28 6 11 Automatic operation programming the coffee brewing cycles 29 6 12 Important information on daily maintenance 29 6 13 Alarms 29 7 Instructions for authorized in...

Page 3: ... or mobile guards removed or with the safety devices cut off The safety devices must absolutely never be removed or tampered with The panels covering the machine must not be removed as the machine contains live parts there is the risk of electric shock Strict compliance with the routine maintenance instructions of this manual is required for a safe and efficient operation of the appliance In the e...

Page 4: ...REZIOSA 12 3 3 19 5500 7000 5500 7000 89 970 530 855 80 PREZIOSA 16M 2 2 12 3000 4500 3000 4500 80 780 530 855 80 PREZIOSA 16M 3 3 19 5500 7000 5500 7000 89 970 530 855 Standard Hot water and steam delivery Steam powered coffee cup heater Voltages 400 V 3N threephase 230 V 3 threephase 230 V monophase Automatic level control automatic charging of water in boiler External pump 300 W Optional access...

Page 5: ...23 3 Description of the machine 6 7 8 10 9 11 16 15 17 2 1 3 4 12 13 14 5 18 18 ...

Page 6: ...r 12 Espresso coffee serving unit 13 Filter holding cup with handle 14 Manual boiler water filling lever 15 Hot water spout 16 Boiler pressure 3 bar 17 Visual level indicator 18 Manual servine push button 21 Boiler discharge valve 22 Automatic level control valve 23 Button valve 24 Automatic level control valve 25 Non return and safety valve 26 Automatic level solenoid 27 Pressure switch 28 Pressu...

Page 7: ...e equipment kit which includes the following items FIlter cups with filter restraint ring Filters for filter cups single and double doses blind filter for filter cup spouts for filter cups single and double doses press for ground coffee braided 900mm with stainless steel tube for water connection water supply water softener rubber drain hose with steel coil for water drain 3 8 nipples for hose con...

Page 8: ... with current standards The power socket must be equipped with a working earth connection LA SAN MARCO SPA will not in any way be held liable if legal requirements are not met An improper installation can cause injury or damage for which the manufacturer cannot be held liable For the electrical connection it is necessary to install an omnipolar main switch upstream of the power supply this switch ...

Page 9: ...ines or the push button 10 for the electronic machines with automatic serving so that the water flows out of the unit corresponding to the pressed button c Read the water pressure value on the pressure gauge 38 The optimum pressure is 9 bar The pressure is adjusted to the desired value by operating on the pump screw the pressure is increased by turning clockwise it is decreased by turning counter ...

Page 10: ...iver hot water from the boiler for making tea camomile herb tea etc This lever operates in the same way as the steam delivery lever 6 8 Preparation of ground coffee Make sure that the filter with the desired capacity has been installed in the filter holder After the coffee has been loaded and pressed into the filter the coffee level in the filter must just touch the spray head on the brew ing unit...

Page 11: ...ance To keep your espresso machine in top operating condition and obtain maximum performance the following cleaning operations must be performed on the brewing units at the end of the work day a Install the blank filter without holes into the filter holder This filter is provided with the machine b Install the filter holder with blank filter onto the brewing unit to be cleaned but do not tighten t...

Page 12: ...ion to the venting of the combustion fumes the appliance is of Type A1 i e it draws in the air required for combustion from the room and discharges the fumes in the same environment Place particular attention to the volume of the room where the appliance is to be installed this should be at least 12 m3 If the room has a smaller volume it will be necessary to install the appliance directly under a ...

Page 13: ...fied the proper operation replace the settings tag on the appliance with the one for the new type of gas that is provided with the standard kit containing the newly installed gas nozzle Safety devices on appliance manually reset The appliance is provided with two safety devices that shut off the gas flow if the flame accidentally goes out 1 Thermocouple 52 The thermocouple operates on the valve 51...

Page 14: ...ce and repairs are carried out by unauthorized personnel The machine is used for any other than its intended purposes The original parts are replaced with parts from different manufacturers The warranty does not cover damage caused by neglect use and installation not in compliance with the recommendations of this manual improper operation abuse lightning and atmospheric phenomena over voltage over...

Page 15: ...er circulation tube the spray nozzle and the solenoid of the unit are not clogged In the machines with electronic metering check the displacement meter and its valves Check the solenoid of the unit its wiring and the fuse in the electronic control unit 5 The programmed servings of espresso coffee are not con stant or vary on the dif ferent units Abnormal operation of the elec tronic control unit o...

Page 16: ...nger on the solenoid and clean the solenoid Replace the solenoid Check the cooling tube and the seal rings inside the unit 18 Light cream the coffee flows out of the spout rapidly a Coarse grinding b Low pressing pressure c Small quantity of ground coffee d Water temperature below 90 C e Pump pressure above 9 bar a Sprinkler filter on unit clogged g Filter holes widened filter cup a Finer grinding...

Page 17: ...filter Clean or replace the sprinkler filter Lower the temperature in the boiler 23 Presence of depressions in the coffee grounds looking inside the filter cup Sprinkler filter partly clogged Low amount of ground coffee for the fiter used Clean or replace the sprinkler filter Adjust the amount of ground coffee Note If it is not possible to solve the problem as described above or if other malfuncti...

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