La Marzocco Strada EP User Manual

Operating & Software Manual - V1.0

Strada EP

Table of Contents

Strada EP - Operating Manual

Table of Contents ...........................................................................................................................................................................1

General Warnings and Safety Speci cations........................................................................................................................ 2

De nition of Model .......................................................................................................................................................................4

Installation........................................................................................................................................................................................ 6

Operating the Espresso Machine and Preparing Co ee.................................................................................................. 7

Preparing Other Hot Drinks.........................................................................................................................................................9

Preventative Maintenance and Weekly Cleaning...............................................................................................................10

De-Commissioning and Demolition......................................................................................................................................11

NOTE: The Software Programming Manual follows the Operating Manual

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1. General Warnings and Safety Speciﬁ cations

1) This operating manual is an integral and essential part of the product and must be supplied to users. Users are asked to read the enclosed warnings and cautions carefully, as they provide valuable information concerning safety during installation, operation and maintenance. This manual must be kept in a safe place and be available for consultation to new and experienced users alike.

2) Ensure product integrity by inspecting the packaging, making sure it presents no signs of damage which might have affected the enclosed machine.

3) Check the machine’s integrity after having carefully removed the packaging.

4) Packaging (boxes, plastic bags, foam parts and whatever else) must not be left around within easy reach of children, due to the potential danger it represents, nor be discarded in the environment.

5) Check to see that data on the rating plate corresponds to those of the main electrical supply which the machine will be hooked up to.

6) Installation must be performed according to local electrical and plumbing codes and regulations. Installation must also comply to manufacturer instructions, and must be performed by qualiﬁ ed and authorized personnel.

12) Using any electrical device requires that certain fundamental rules be observed. In particular:

- do not touch the device with wet or humid hands and feet;

- do not use the device while having no shoes on your feet;

- do not use extension cords in bath or shower rooms;

- do not unplug the device from the power outlet by pulling on the power supply cable;

- do not expose the device to atmospheric agents (rain, sun, etc.);

- do not allow children or untrained personnel to use this device.

13) Before carrying out any maintenance and/or cleaning operation, turn the main switch, which is located on the front left of the machine, to the “0” or OFF position, and disconnect the machine from the electrical network by unplugging the cord or by switching off the relative circuit breaker. For any cleaning operation, follow the instructions contained in this manual only.

14) In case the machine is operating in a faulty manner or breaks down, disconnect it from the electrical network (as described in the preceding point) and close the water supply valve. Do not attempt to repair it. Contact a qualiﬁ ed and authorized professional to perform any repair. Any repairs must be performed exclusively by the manufacturer or by an authorized centre using only original parts. Non compliance with the above could compromise the safe operation of the machine.

7) Incorrect installation may cause injury/damage to people, animals or objects, for which the manufacturer shall not be held responsible.

8) Safe electrical operation of this device will be achieved only when the connection to the power outlet has been completed correctly and in observance of all local, national, and international electrical codes and safety regulations, and particularly by grounding the unit. Make sure grounding has been done properly as it represents a fundamental safety requirement. Ensure qualiﬁ ed personnel check such connection.

9) Furthermore, you must ensure that the capacity of the available electrical system is suitable for the maximum power consumption indicated on the espresso machine.

10) We do not recommend using adapters, multiple plugs and/ or extension cords. If you cannot avoid using them, make sure that they are exclusively of the kind which conforms to local, national, and international electrical codes and safety regulations, being careful not to exceed the power and current ratings indicated on such adapters and extension cords.

11) This device must be used exclusively for the functions it has been designed and built for. Any other application is inappropriate and dangerous.

15) You should plan to make use of a speciﬁ c connector during installation, as required by local, national, and international electrical codes and regulations.

16) In order to avoid dangerous overheating problems, it is recommended that the power supply cable be fully unfurled.

17) Do not obstruct air intake and exhaust grilles and, in particular, do not cover the cup warmer tray with cloths or other items.

18) The machine’s power supply cable must not be replaced by users. In case the power supply cable becomes damaged, shut off the machine and disconnect the machine from the electctrical network by switching off the relative circuit breaker and close off the water supply; to replace the power supply cord, contact qualiﬁ ed professionals only.

Note:

In case of doubt, do not go on any further and contact your dealer or retailer immediately. They will send out specialized personnel authorized to perform service on the espresso machine.

The manufacturer shall not be held responsible for any damages caused by improper and/or irrational use.

WARNING

THIS EQUIPMENT MUST BE INSTALLED TO COMPLY WITH THE APPLICABLE FEDERAL, STATE, OR LOCAL PLUMBING CODES

La Marzocco, S.r.l. Scarperia, Firenze, ItaliaV1.0

Strada EP

This operating manual refers exclusively to the below model, of our own manufacture:

1) Common Dimensions, Weights, and Features

2. Deﬁ nition of Model

Strada 3 group Electronic Paddle: 3EP

1000 675

450

••Weight: Kg. 90

Legend

1) Group Display

2) Main Switch

3) Steam Wand Lever

4) Electronic Brew Paddle Lever

5) Hot Water Wand

6) Hot Water Mix Valve

7) Hot Water Switch

8) Programming Display

9) Steam Wand Protection

10) Steam Wand

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11) Removable Drain Tray

12) Waste Water Hose Holder

13) Programming Jog Wheel14

14) Drain Tray Grate

15) USB Key Connection

For additional information on electronics, and software programming, please see the section entitled Software Programming.

2. Deﬁ nition of Models

1) General Description

The machine is built in a 3 group version and consist essentially of 2 differnt type of boilers and is essentially composed of the following parts:

1) Steam Boiler (produces steam and hot water)

2) 3 Coffee (“saturation”) boilers

3) Brewing groups

4) Exterior Cover

5) Water pump/s

2) Description of the various parts

• Steam Boiler

The Steam Boiler consists of a cylindrical tank made of AISI 300 series stainless steel. Each unit is subject to a hydraulic test, at a pressure of 6 bar, and has an operating pressure of 1.3-1.5 bar. The following is a list of effective volumes and power ratings according to the number of groups installed:

3 groups 11 liters 4000 Watts

Covers are installed at either end of the cylindrical tank and on one of them there is housing for the water heating element, which allows the steam boiler to reach operating pressure within approximately 25 minutes. Operating pressure is maintained by temperature probe. The steam boiler has various ﬁ ttings used for safety devices, for supplying hot water and steam, and for the heating element.

Composed of AISI 300 series stainless steel tube. Heating is accomplished through an immersion-type plated heating element.

- Operating pressure of 1.3-1.5 bar, controlled automatically through a pressure switch or a temperature probe, adjusted to open the heating element supply circuit at 1.5 bar and close it at 1.3 bar.

- The pressure is displayed by means of a pressure gauge with a scale of 0 to 2 bar.

- Safety device, based on an expansion type mechanical valve, with counter-acting spring adjusted to 1.8 bar.

- Testing: hydraulic test at 4.5 bar performed on ready-to-use small boilers, at our factory;

- Operating temperature 95°C (adjustable), controlled automatically by an electronic temperature controller with an accuracy of 0.2 °C. Operating pressure of 9 bar, developed mechanically by a special positive-displacement pump which is activated automatically every time coffee is brewed.

-Pressure is displayed through a pressure gauge with a scale from 0 to 15 bar.

-Safety device, based on an expansion type mechanical valve, with counteracting spring adjusted to 13.5 bar.

-Testing: Hydraulic test at 18 bar performed on ready-to-use small boilers, at our factory;

• Brewing Groups

They consist of precision casting made of stainless steel. The brewing group accepts the portaﬁ lter used to hold the ground coffee; the water ﬂ ows through the brewing group, through the portaﬁ lter basket, through the portaﬁ lter spout, and into the cup(s) after brewing has been activated.

• Exterior Cover

It consists of a stainless sheet steel body. The structure has been the object of speciﬁ c studies to provide good aesthetics, lower ergonometric costs for the operator and reduce the chance of damage to a minimum.

• Sound Pressure

The weighted sound pressure level of the machine is lower than 70dBA.

• Water Pump

There are two type of pump workink on this model of Strada:

• Rotary vane positive displacement pump set-up to operate anytime an electric level gauge whenever the steam boiler needs to be replenished.

• Coffee Boiler

The Coffee Boiler consists of a cylindrical tank made of AISI 300 series stainless steel.

for brewing coffee). Each unit is subject to a hydraulic test, at a pressure of 18 bar, and has an operating pressure of 9 bar. The following is a list of effective volume and power ratings according to the number of groups installed:

3 groups - 3 x 1,3 liters 3 x 800 Watts

Covers are installed at either end of the cylindrical tank and on one of them there is housing for the water heating elements. The temperature of the coffee boiler is maintained by an electronic temperature controller (PID capable) with an accuracy of 0.2°C. The brewing groups are installed on the boiler. Composed of an AISI 300 series stainless steel tube. Heating is accomplished through an immersion-type plated heating element.

One each group (hot water generator

• Magnetic drive gear pump to operate whenever brewing coffee following manual or preset pressure proﬁ le from 0 to 12 bar.

La Marzocco, S.r.l. Scarperia, Firenze, ItaliaV1.0

Strada EP

3. Installation

WARNING

This equipment must not be used by children, mentally

or physically challenged individuals or anyone lacking

necessary know-how unless supervised

by specialized personnel.

POWER SUPPLY

CORD

WARNING

The Coffee Boiler and Steam Boiler contain water at elevated

temperature. Water temperature over 125° F / 52° C can

instantly cause severe burns or death from scalding.

(Coffee Boiler 200° F / 93.3° C - Steam Boiler 260° F / 127° C)

MAGNETIC DRIVE

GEAR PUMP FOR COFFEE BOILERS

MAIN SWITCH

AND ELECTRICAL

SUPPLY

CONNECTION

WASTE/DRAIN

MOTOR POWER

OPTIONAL

WATER PUMP

CORD

BRAIDED HOSE

A.2.023A.2.023

OPTIONAL

WATER PUMP

AND MOTOR FOR

STEAM BOILER

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INSIDE

THE

MACHINE

WATER

CONNECTIONS

WATER

FILTRATION/

SOFTNER

MAIN WATER

SUPPLY VALVE

3. Installation

1) Accessories

WARNING

At each installation, the machine should be equipped with a new set

Check the package to make sure that the following accessories are included:

• 1 x SINGLE and 3 x DOUBLE portaﬁ lters

• 2 x SINGLE and 4 x DOUBLE ﬁ lters

• 1 x tamper

• 1 x blind ﬁ lter

• 1 x cleaning detergent

• 3 x stainless steel braided hose for water connections

• 1 x 1,5 mt of reinforced plastic tubing for drainage

• 1 x hose clamp

• 1 x TEE Fitting

In order to proceed with installation, it is necessary that the following are available:

a) Pipes carrying drinking water with a 3/8”G (BSP) end connection. b) Electrical Supply according to the speciﬁ cation of the espresso machine purchased: 200/220/380/VAC - 50/60Hz electrical connection with ground, protected socket and approved circuit breaker. c) Indirect waste water drain system.

of tubes for plumbing and related gaskets.

NOTE: The differential pressure water pump is a volumetric pump and has been designed to be used exclusively with cold water. Make sure that water is always present while the pump is operating, otherwise air can be introduced into the brew boiler causing an undesirable condition.

CAUTION

BEFORE MAKING ANY ELECTRICAL CONNECTIONS MAKE SURE THAT THE 2 STRAIN RELIEF CONNECTORS ARE FIRMLY SECURED TO THE BODY OF THE MACHINE IN ORDER TO PREVENT INADVERTENT STRESS ON THE POWER CABLES.

3) Electrical Connections

a) Power Supply Cord

This is the main power supply cable that provides power to the entire espresso machine. There are different types of cable based upon the electrical requirements of the espresso machine purchased.

b) Water 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 (CE) or 3-core AWG 16 (for UL version) secured to espresso machine via a strain relief connector.

NOTE:

• The drinking water stopcock and the terminal switches for the electrical system need to be located in the most convenient position for the operator to access them easily and quickly.

• The machine should be placed on a ﬂ at counter and must be placed in settings with the following temperatures: Minimum room temperature: 5°C Maximum room temperature: 32°C

• If the machine has been temporarily housed in settings with a room temperature of less that 0°C, the machine must be placed in a warmer environment in order to gradually defrost the hydraulic system prior to use.

• Water pressure supply must be between 4 and 8 bar.

2) Water Supply Connection

Connect the inlet of the water ﬁ lter/softener to the drinking water supply using one of the supplied stainless steel braided hoses. Before connecting the espresso machine to the ﬁ lter/softener, ﬂ ush the water supply line and the ﬁ ltration system in order to eliminate any residual particles which could otherwise get stuck in taps or valves thus preventing them from working properly. Connect the water supply connections of the espresso machine; the coffee boiler inlet direct to the water filter T-ﬁ tting and the Steam Boiler to the water pump outlet using one of the supplied stainless steel braided hoses. Then connect the water pump inlet to the water ﬁ lter/softener outlet.

WARNING

4) Waste Water Drain Connection

The espresso machine drain is to be connected by means of the included reinforced plastic tubing. Connect one end of the reinforced plastic tubing to the drain hose connection on the left side of the espresso machine. Secure with included hose clamp.

WARNING

THE MOTOR PUMP MUST BE SITUATED

CLOSE TO THE MACHINE IN AN ACCESIBLE

PLACE FOR MAINTENANCE BUT NOT FOR

ACCIDENTAL INTERFERENCE AND WHERE

THERE IS AN OPTIMAL AIR CIRCULATION

Connect the other end to a suitable waste water collection system. In case such a system is not available, drained liquids may be collected in a suitable bucket and any necessary drain pipe extensions should be made using steel-lined PVC tubing and suitable hose clamps.

WARNING

HAZARDOUS VOLTAGE! DISCONNECT FROM

POWER SUPPLY BEFORE SERVICING

WARNING

THE MANUFACTURER DECLINES ANY RESPONSIBILITY FOR ANY EVENT LEADING TO LIABILITY SUITS WHENEVER GROUNDING HAS NOT BEEN COMPLETED ACCORDING TO CURRENT LOCAL, NATIONAL AND INTERNATIONAL REGULATIONS AND ELECTRICAL CODES, AND/OR IN LACK OF PROPERLY CONNECTED ELECTRICAL PARTS.

WATER PRESSURE SUPPLY MUST BE BETWEEN 4 AND 8 BAR IF SUFFICIENT PRESSURE IS NOT AVAILABLE WE SUGGEST THAT AN ADDITIONAL WATER SUPPLY SYSTEM IS USED

WARNING

U.S.A. AND CANADA ONLY

DO NOT CONNECT TO A CIRCUIT OPERATING AT

MORE THAN 150 V TO GROUND

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