La San Marco Preziosa 80 12, Preziosa 80 16M, 80/12 L, 80/16M L Use And Maintenance
USE AND MAINTENANCE
Preziosa 80/12
Preziosa 80/16M
80/12 L
80/16M L
INDEX
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
ATTENTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
1.1 Using the manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
1.2 Warnings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
1.3 Starting the coffee machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2. Technical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.1 SEMIAUTOMATIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.2 AUTOMATIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3. Description of the machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4. Diagram of water feed system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
5. Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5.1 Equipment provided . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5.2 Water mains set-up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5.3 Water softener (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5.4 Installation of water systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
5.5 Drainage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
5.6 Electrical connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
6. Operating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.1 Filling the boiler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.2 Calibration of pump pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.3 Calibration 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 installer gas fi red boiler (optional). . . . . . . . . . . . . . 30
7.1 Connection to gas supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
7.2 Venting the combustion fumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
7.3 Ignition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
7.4 Changing the calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
8. Information for users in the european community . . . . . . . . . . . . . . . . . . . . . . . . 32
9. Guarantee. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
10. Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
11. Problem solving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Codice manuale: 7770.039
Revisione 06/2008
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 or carry out routine maintenance before reading this ma nual
• This machine is designed and built for serving espresso coffee, hot water (for the pre paration of
beverages and infusions) and steam (used to heat liquids). The use of the machine for any other than
its intended purposes is considered to be improper and unauthorized. The manufacturer declines
any liability for damage resulting from the improper use of the machine.
• The user must be a responsible adult, who is expected to comply with local safety rules and accepted
common sense procedures.
• The machine must never be used with the fi xed and/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 effi cient operation of the appliance.
• 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 technical service or a similarly qualifi ed person so as to prevent any sort of risk.
• The user must never perform any operation for which he/she is unauthorized or lacks
training. Contact the manufacturer for any information, spare parts or accessories.
1.3 Starting the coffee machine
Ambient temperature: 5 ÷ 45°C (drain the water system in case of frost)
Water pressure: 80 ÷ 800 kPa (0.8 ÷ 8.0 bar)
Water hardness: less than 5 °f H
m
m
m
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 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 accessories:
Gas fi ring.
Water softener (manual or automatic).
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
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 normal coffee
8. Selection button for double strong coffee
9. Selection button for double normal coffee
10. Continuous servine push button
11. Hot water valve lever
12. Espresso coffee serving unit
13. Filter holding cup with handle
14. Manual boiler water fi lling 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. Pressure switch setting screw
29. Grounds collecting tray
30. Drain pipe
31. Water softener
32. Water softener feeling pipe
33. Mains water supply tap
34. Mains water supply pipe
35. Pump feeding pipe
36. Machine feeling pipe
37. Motor pump
38. Pump pressure 20 bar
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