• In the event of problems or breakage of any component of the espresso coffee machi ne, contact an authorized service centre and insist on original spare parts from LA SAN MARCO SPA. • If the power cord is damaged, it must be replaced by the manufacturer , the manufacturer’s techni- cal service or a similarly qualifi...
4. Diagram of water feed system Key to illustrations 1. Main switch 22. Automatic level control valve 2. Main switch indicator light 23. Button valve 3. Steam spout 24. Automatic level control valve 4. Cup warmer valve (steam) 25. Non return and safety valve 5.
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 the proper condition of the coffee machine and its components.
• The electrical system provided by the client must comply 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 lia ble.
• Connect the power cord to the electrical mains as shown in the attached diagram: 230V MONOFASE 400V-3N TRIFASE 3 RESISTENZE LEVA 2/3/4 NERO NERO NERO Note: NOTE: NERO NERO NERO MARRONE MARRONE MARRONE *The power La potenza GI / VE absorbed by electric assorbita delle GI / VE...
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 soon as the steam phase is reached.
• If power cable is damaged, it must be replaced with the specially prepared, original equipment replacement part which conforms to safety regulations. • Special maintenance, parts replacement, long-term shutdown and displanting opera tions must be performed by LA SAN MARCO service personnel.
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 Position the appliance as described in the Use and Maintenance Manual, remove the control panel as described in the same handbook, and connect the appliance to the gas supply mains, or LPG bottle (G30/G31), using...
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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.
10. Declaration of Conformity The manufacturer: La San Marco S.p.A. 34072 Gradisca d’Isonzo (GO) Italy – Via Padre e Figlio Venuti, 10 phone (+39) 0481 967111 – fax (+39) 0481 960166 – http://www.lasanmarco.com...
11. Problem solving PROBLEM CAUSE SOLUTION 1. The boiler is full of water and • One of the outfl ow lines from the • Check the autolevel circuit, the manual charging the water flows out of the boiler or from a circuit of the unit button, and the boiler heat exchangers.
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PROBLEM CAUSE SOLUTION 10. The machine feeds water from • Solenoid and/or pump fed continu- • Short-circuited control unit relay. one serving unit although the ously. • Replace the electronic control unit. serving has not been select- 11. 85 S models: one unit serves •...
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• Adjust the amount of ground coffee. the fi lter cup). fi ter used. Note: If it is not possible to solve the problem as described above, or if other malfunctions develop, contact the authorized La San Marco service centre.