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Operating Manual V1.1 - 11/2014

La Marzocco S.r.l.

Via La Torre 14/H

Località La Torre

50038 Scarperia e San Piero

(Firenze) - ITALIA

www.lamarzocco.com

[email protected]

T: +39 055 849 191

F: +39 055 849 1990

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1. General Warnings and Safety Specifications

2. Definition of Available Models

3. Installation

4. Machine Operation and Coffee Preparation

5. PID Temperature Controller

6. Dispensing Steam and Hot Water

7. Maintenance and Periodic Cleaning Operations

8. De-commissioning and Demolition

9. Mandatory Maintenance and Check-up Operations

Chapters

Summary of Contents for Linea

Page 1: ...ne the industry The Linea is the classic La Marzocco machine that has long supported and helped to develop the specialty coffee industry since the 1990s It is a heavy duty workhorse that performs reli...

Page 2: ...39 055 849 1990 page 2 page 4 page 7 page 11 page 16 page 18 page 19 page 21 page 22 1 General Warnings and Safety Specifications 2 Definition of Available Models 3 Installation 4 Machine Operation a...

Page 3: ...nit very carefully Make sure grounding has been done correctly as it represents a fundamental safety requirement and in case of doubt do not hesitate to have qualified personnel check such connection...

Page 4: ...the cup warmer tray with cloths or other items 13 The machine s power supply cable must not be replaced by users as also specified on the rating plate located near the outlet of such cable on the bod...

Page 5: ...ig 2 Front panel of PADDLE model available with 1 2 3 and 4 groups 1 Main Switch 2 Water level sight glass 3 Pressure gauge 4 Coffee groups 5 Coffee brewing control switch 6 Cup warmer switch non UL m...

Page 6: ...3groups 5 0litres 1600or1900Watts 4groups 3 4 3 4litres 1400 1400Watts 2boilersinstalled It consists of a cylindrical tank of varying length according to the number of coffee groups which is made of s...

Page 7: ...quantity of water for one normal espresso coffee a quantity of water for one tall coffee a quantity of water for two normal coffees a quantity of water for two tall coffees The fifth button is used t...

Page 8: ...nsion valve 20 Group cover 21 Bleed screw 22 PID Temperature Controller 23 Switch not provided 24 Plug not provided 25 Connectors Fig 4 THE COFFEE MACHINE MUST BE PLACED IN A HORIZONTAL POSITION ON A...

Page 9: ...ould be placed on a flat counter and must be placed in settings with the following temperatures Minimum room temperature 5 C 41 F Maximum room temperature 32 C 89 F If the machine has been temporarily...

Page 10: ...ter pump motor power cord This is the power supply for the water pump motor The internal electronics will switch the pump motor on when needed 3 core cable with 1 5 mm2 cross section or 3 core AWG 16...

Page 11: ...l be necessary in order to completely saturate the boiler groups assembly to remove the group cover plate part 20 Fig 4 and unscrew the small bolt part 21 called bleed screws a little way so as to all...

Page 12: ...he first installation procedures are finished before proceeding with brewing coffee hot water and steam please follow these steps Engage the portafilters by inserting them into each group brew water t...

Page 13: ...d valve diffuser diffuser coffee brewing spout The wheel is designed in such a way as to rotate freely when water is flowing by it sends 2 signals every complete rotation to the electronic module whic...

Page 14: ...ater flow within the factory set time of the electronic module 2 insufficient water flow through the groups i e onto the coffee powder probably due to a combination of one or more of the following occ...

Page 15: ...ting elements in order to bring the water contained in such boiler up to operating temperature However in this case it is necessary to adjust the expansion valve marked 19A in fig 4 in such a way that...

Page 16: ...value or SV setting value When set ting a parameter its name or its value appears 3 SEL key Used to switch the PV display to from the SV display and select a parameter block and a parameter and regis...

Page 17: ...e press to decrease the value by 1 Press and hold this key to decrease to desired value then wait a few seconds to automatically exit programming function For more detailed information on the potentia...

Page 18: ...u will end up with a fresh cappuccino In order to prevent part of the liquid to be heated from being sucked back into the boiler due to a possible temporary decompression inside the boiler tank which...

Page 19: ...drain collector Remove the drain tray grill every night pull out the water drain collector and clean it thoroughly Also inspect and clean the drain well part 19 at least twice a week and remove any l...

Page 20: ...lve part 19A should start working by discharging a few drops of water in order to prevent such pressure from exceeding 12 bar If the pressure exceeds 12 bar you must adjust the valve by unscrewing the...

Page 21: ...sed in advance Proceed to remove the drain well piping part 19 At this point the machine may be removed from the bar being very careful not to drop it The machine is made out of various mate rials and...

Page 22: ...tallation otherwise warranty is voided If AV Model Check shot volumes Test flowmeter s ohm value ohm value is acceptable if greater than 1 8 K ohm and less than 2 2 K ohm If MP Model Rebuild MP valve...

Page 23: ...EN...

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