La San Marco Preziosa 80 12 Use And Maintenance - 1. Introduction

Summary of Preziosa 80 12

  • Page 1

    Use and maintenance preziosa 80/12 preziosa 80/16m 80/12 l 80/16m l.

  • Page 2: Index

    Index 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 attention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 1.1 using the manual . . . . . . . . ....

  • Page 3: 1. Introduction

    21 1. Introduction attention • before using the machine, carefully read all of the instructions contained in this machine. 1.1 using the manual • this manual contains all information required for the installation, use and maintenance of the coffee machine. 1.2 warnings • do not operate the machine o...

  • Page 4: 2.Technical Characteristics

    22 2.Technical characteristics 2.3 semiautomatic 2.4 automatic model n° gr. Boiler capacity (l) power imput (w) weight (kg) width (mm) fund (mm) height (mm) connection mains motor pump monofase trifase 80-preziosa 12 - 2 2 12 3000-4500 3000-4500 - 80 780 530 855 80-preziosa 12 - 3 3 19 5500-7000 550...

  • 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.

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    24 4. Diagram of water feed system 28 27 26 25 24 37 35 32 33 34 31 23 14 36 30 29 21 22 38 key to illustrations 1. Main switch 2. Main switch indicator light 3. Steam spout 4. Cup warmer valve (steam) 5. Steam valve lever 6. Selection button for single strong coffee 7. Selection button for single n...

  • Page 7: 5. Installation

    25 5. Installation • the installation must be carried out by authorized la san marco technical personnel. • the coffee machine is delivered in a suitable packing. The packing contains the machine and its ac- cessories, the user manual and the conformity declaration. After opening the packing, check ...

  • Page 8

    26 5.4 installation of water systems 1. Use the braided 900 mm stainless–steel tube 32 to connect the water supply on-off valve to the water sof- tener infl ow valve 1 (fi gure 3). 2. Use the braided 600 mm stainless–steel tube 35 to connect the pump intake with the water softener valve (fi gure 3-4...

  • Page 9: 6. Operating

    27 • connect the power cord to the electrical mains as shown in the attached diagram: 6. Operating 6.1 filling the boiler checking the position of the taps in the water system a) remove the coffee ground collection tray with grille. Now, check for the following confi guration : boiler drain tap 21 c...

  • Page 10

    28 6.3 calibration of water pressure in the boiler a. After having fi lled the boiler to the proper level, turn the main switch to position 2 (the heating elements will start to heat the water). B. Open the lever-controlled steam valve 5 to vent the air during the heating phase. Close the valve as s...

  • Page 11

    29 6.11 automatic operation - programming the coffee brewing cycles automatic models: 80–preziosa 16m a. Entering the programming mode set the main switch 1 on the machine to position “zero” (machine switched off). Hold down the fi fth button 10 on the fi rst brewing unit. Now, rotate the main switc...

  • Page 12

    30 7. Instructions for authorized installer gas fi red boiler (optional) read the instructions before installing and using the appliance. This appliance can only be installed and used in permanently ventilated places according to uni- cig 7129 and uni-cig 7131 standards. 7.1 connection to gas supply...

  • Page 13

    31 screw on the new nozzle (56), and position the primary air adjusting ring nut (55 - fig. C) according to the indications of table 1, using a gauge or equivalent instrument to set the distance “l”, and tighten the screw provided to fasten the nozzle. Turn the main switch (1) to position 1, so as t...

  • Page 14: Community

    32 8. Information for users in the european community pursuant to european directive 2002/96/ec on electrical waste (weee), users in the european community are advised of the following. • the symbol with the crossed-out dustbin on the appliance or its packaging indicates that at the end of the produ...

  • Page 15: 11. Problem Solving

    33 11. Problem solving problem cause solution 1. The boiler is full of water and the water flows out of the safety valve. • one of the outfl ow lines from the boiler or from a circuit of the unit has a leak. • check the autolevel circuit, the manual charging button, and the boiler heat exchangers. •...

  • Page 16

    34 problem cause solution 10. The machine feeds water from one serving unit although the serving has not been select- ed. • solenoid and/or pump fed continu- ously. • short-circuited control unit relay. • replace the electronic control unit. 11. 85 s models: one unit serves water continuously. • ele...

  • Page 17

    35 problem cause solution 22. The cream in the cup is too thin (it disappears after a few seconds). • coffee extraction takes a long time due to clogged fi lter. • coffee extraction too fast due to clogged sprinkler fi lter. • water temperature too high. • clean or replace the fi lter. • clean or re...