La Marzocco GB/5 Manual
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La Marzocco GB/5 Manual

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Named for Giovanna Bambi and designed with classic La Marzocco
styling and spirit, the GB/5 combines harmonious aesthetics and
powerful technological advancements With gracious lines and
curves. The GB/5 is an understated companion to any coffee bar,
while its unmatched temperature stability provides steady brew
water and steam even at the peak of the morning rush.

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Summary of Contents for La Marzocco GB/5

  • Page 1 GB/5 combines harmonious aesthetics and powerful technological advancements With gracious lines and curves. The GB/5 is an understated companion to any coffee bar, while its unmatched temperature stability provides steady brew water and steam even at the peak of the morning rush.

  • Page 2: Table Of Contents

    Operating Manual V2.0 - 07/2016 MAN.3.1.01 fb80 Chapters 1. General Warnings and Safety Speciications page 2 La Marzocco S.r.l. & 2. Deinition of Available Models page 4 Via La Torre 14/H Località La Torre 3. Installation 50038 Scarperia e San Piero...

  • Page 3: General Warnings And Safety Speciications

    1. General Warnings and Safety Speciications plate corresponds to those of the main If you cannot avoid using them, make WARNING electrical supply which the machine will sure that they are exclusively of the kind THIS MACHINE IS FOR PROFESSIONAL USE ONLY AND be hooked up to.
  • Page 4 15) You should plan to make use of an omnipolar connector during installation, WARNING as required by local, national, and GB/5 2 gr. 3 gr. 4 gr. international electrical...

  • Page 5: Deinition Of Available Models

    2. Deinition of Available Models This operating manual refers exclusively to the following models, of our own manufacture: GB/5 or FB/80, Model EE & AV and MP into 2, 3 and 4 groups Legend Main Switch Pressure Gauge (Steam Boiler)
  • Page 6 It consists of a stainless sheet steel • Brewing groups of AISI 300 series stainless steel. Each body for the GB/5 and painted plastic • Exterior Cover unit is subjected to a hydraulic test, at a for FB/80. The structure has been the •...

  • Page 7: Installation

    INPUT (A) WATTAGE SIZE (mm²) THE COFFEE BOILER AND STEAM BOILER CONTAIN WATTAGE WATTAGE AC220V/50-60Hz WATER AT ELEVATED TEMPERATURE. WATER AC208V-240V/50-60Hz GB/5 4600 1400 3000 4600 3/5 WIRES x 4mm² AC380V/50-60Hz TEMPERATURE OVER 125°F / 52°C CAN CAUSE SEVERE AC220V/50-60Hz...
  • Page 8 1) Installation on the counter 2) Accessories The image below shows the recommended method to drill the hole on the counter. WARNING AT EACH INSTALLATION, THE MACHINE SHOULD BE EQUIPPED WITH A NEW SET OF TUBES FOR PLUMBING AND RELATED GASKETS. 250 mm (2 groups) 350 mm (3 groups) 470 mm (4 groups)
  • Page 9 3) Water test kit protected socket approved In order to enable you to check if your water LA MARZOCCO WATER CALCULATOR (http:// interlock switch supply is within the suggested ranges, La www.lamarzocco.com/water_calculator/). • Three-phase,...
  • Page 10 in order to eliminate any residual particles the espresso machine purchased or 3-core AWG 16 (for UL version) secured which could otherwise get stuck in taps or • 200/220VAC 1 Phase 3-core cable to espresso machine via a strain relief valves thus preventing them from working with 2.5/4/6/10mm2 cross section or connector.
  • Page 11 - Cable tightening; WARNING WARNING THE MANUFACTURER DECLINES ANY RESPONSIBILITY - U.S.A. AND CANADA ONLY - FOR ANY EVENT LEADING TO LIABILITY SUITS DO NOT CONNECT TO A CIRCUIT OPERATING AT MORE WHENEVER GROUNDING HAS NOT BEEN COMPLETED THAN 150V TO GROUND ON EACH LEG. ACCORDING TO CURRENT LOCAL, NATIONAL, AND INTERNATIONAL REGULATIONS AND ELECTRICAL CODES, OR OTHER ELECTRICAL PARTS HAVE BEEN...

  • Page 12: Machine Operation And Coffee Preparation

    4. Machine Operation and Coffee Preparation 1) Starting the espresso machine b) Turning the espresso machine on Once have completed these procedures, check the display. Press enter a) Filling the boilers with water Once the installation procedures have been to conirm that the preceding procedures completed, it is necessary to ill the boiler are complete.
  • Page 13 the portailter. You should allow hot water also in case the valve remains open in the to pass through the empty portailter(s) for drain position (i.e. the pressure cannot a few seconds each time, in order to pre- increase to 8 bar approx.). heat the portailter.
  • Page 14 particles from the group. Some also lush It is important to remember that coffee left WARNING just after brewing coffee for the same over in the ilters must be removed only DO NOT REMOVE THE FILTER HOLDER WHILE RELATIVE reason. Please experiment to ind the best when you need to prepare another cup, GROUP IS BREWING HOT LIQUIDS.

  • Page 15: Dispensing Steam And Hot Water

    5. Dispensing Steam and Hot Water • Lower the container so as to bring 1) Steaming milk or other liquids 2) Preparing tea and other hot drinks In order to allow for any condensed water the wand end to a point just below the You may dispense hot water by using the in the wand to be released ALWAYS allow surface of the milk;...

  • Page 16: Maintenance And Periodic Cleaning Operations

    6. Maintenance and Periodic Cleaning Operations or imprinted parts in order not to damage WARNING WARNING them. THE MACHINE MUST BE INSTALLED SO THAT QUALIFIED NEVER REMOVE THE FILTER HOLDER WHEN WATER TECHNICAL PERSONNEL CAN EASILY ACCESS IT FOR IS BEING DELIVERED. THIS OPERATION CAN BE 5) Cleaning the hot water and steam nozzles EXTREMELY DANGEROUS SINCE THE HIGH PRESSURE EVENTUAL MAINTENANCE.
  • Page 17 1/2 a litre of very hot water inside a heat- and de-pressurise the coffee boiler. quantities of water to be brewed: resistant container. To remove the solenoid valve you will need - At least 1 liter for a 1/2 group machine - Place the diffuser screen(s) and diffuser a 4mm allen key.

  • Page 18: De-Commissioning And Demolition

    7. De-Commissioning and Demolition Remove the hose connecting the espresso 1) De-commissioning and demolition Recycling notice: Warning for the protection of the machine to the water pump. Remove environment. Start by setting the main switch to the “0” the reinforced plastic tubing on the drain Used Electrical and electronic waste or OFF position.

  • Page 19: Mandatory Maintenance And Check-Up Operations

    8. Mandatory Maintenance and Check-up Operations These operations are in addition to the Maintenance and Periodic Cleaning Operations as speciied in Chapter 7. The following maintenance and check-up operations should be carried out by a qualiied technician. The time required for the periodic maintenance is determinated by the quantity of daily work and/or coffee consumption. N.B.

  • Page 20: Software Programming Guide

    9. Software Programming Guide AV - Table of Contents Digital Display page 20 Times Cup Heating page 37 Pre-Programmed Rinsing Programming Keypad page 21 Pre-Brewing page 39 (Back Flushing) Routine page 58 Programming Mode page 22 Filter Alarm page 40 Initial Installation page 23 Steam Boiler Automatic Fill...

  • Page 21: Digital Display

    AV Programming Introduction Description • This espresso machine has a CPU and many conigurable settings. • Additionally, there are many feedback controls employed in this espresso machine to troubleshoot problems should they occur. • The following is a brief introduction to the controls and display and how they interact with the operator. Digital Display L a Ma r z o c c o 0 9: 3 0 Fi r e n z e I t al i a...

  • Page 22: Programming Keypad

    Programming Keypad The programming keypad is always located as the group 1 controls (left most keypad). These are the buttons used to change values within the conigurable parameters. buttons are used to change the values of the individual parameters. and the button is used to scroll through the parameters.

  • Page 23: Programming Mode

    Accessing Programming Mode Description Programming Mode • To change any conigurable parameter The three programming levels are as follows: the operator must irst enter into the • Barista Programming password programming mode. necessary. Limited parameters • There are several levels within the available.

  • Page 24: Initial Installation

    Initial Installation Description Initial Installation Programming Mode • This is the initial display shown when irst installing this espresso machine. • Note: If machine has been bench tested by your local distributor you will not see Fi r s t i n s t al l a t . this irst display.

  • Page 25: Turning The Espresso Machine

    Start Up Procedures Turning the Espresso Description Machine On NOTE: If the message “First Installat. Enter • The following is the procedure for turning to conirm” appears in the display, please on the power to the espresso machine. see the preceding page entitled “Initial •...

  • Page 26: Turning The Espresso Machine Off

    Shut Down Procedures Description Turning the Espresso Programming Mode Machine Off • The following is the procedure for turning • This machine has two off settings: off power to the espresso machine. - One setting turns off all of the •...

  • Page 27: Barista" Programming

    “Barista” Programming Description Water Volume Programming • The saved program is a number. This • This parameter allows the operator to number relates to the number of pulses program the water volume (shot volume) the lowmeter delivers to the CPU. Once for the individual buttons on the keypad.

  • Page 28: Nominal Coffee Boiler

    “Barista” Programming Description Nominal Coffee Boiler Programming Mode • The temperature of the water exiting the • This parameter is set at the factory at a Temperature group head is held constant by means preset nominal temperature. of the mass of the group casting. Even •...

  • Page 29: Cup Heating

    “Barista” Programming Description Cup Heating • Additional parameter settings • This parameter allows the user to enable available in the factory level parameters or disable the cup heating routine. under Cup Heating Times. • The cup heater is an option ordered from the factory, not available in the USA &...

  • Page 30: Doses Reading

    “Barista” Programming Description Programming Mode Doses Reading • This parameter allows the user to review • The number displayed is the total the total doses dispensed for each number of times the individual button button. has been activated. Dos es Readi ng pr es s + or - Display Operating Procedure...

  • Page 31: Clock Adjust

    “Barista” Programming Description Clock Adjust • This parameter allows the user to set the • This parameter is used by the “Auto On/ time of day and the day of the week. Off” parameter Cl oc k adj ust 09: 30 Tues day Display Operating Procedure Press and hold the...

  • Page 32: Auto On/Off

    “Barista” Programming Description Programming Mode Auto On/Off • This parameter allows the user to • This feature also allows the espresso program the espresso machine to turn on machine to remain in the off condition at a preset time and turn off at a preset for one repeating closed day.

  • Page 33: Technical" Programming

    “Technical” Programming Description Language • This parameter allows the technician to change the language of the display. Language ENGLI SH Display Operating Procedure Press and hold the button on the group 1 keypad until the following is displayed (approximately 10 L a Ma r z o c c o 0 9: 3 0 seconds): Pas s wo r d...

  • Page 34: Temperature Adjustment

    “Technical” Programming Description Temperature Correction Programming Mode • This parameter allows the technician to • This procedure is best completed with adjust the temperature of the individual external temperature measuring coffee boilers. device that measures the water exiting the group at the point of contact with Temp.

  • Page 35: Total Doses

    “Technical” Programming Description Total Doses • This parameter keeps a count of each • This number cannot be adjusted nor dose that is produced with this espresso reset. machine. • This number can be an important Tot al dos es reference when troubleshooting the espresso machine.

  • Page 36: Cronos Function

    “Technical” Programming Description Cronos Function (shot timer) Programming Mode • When enabled, this parameter displays a • When enabled, the Cronos Function is timer that times each shot. continuously displayed. User name will • The corresponding timer is reset each not be displayed when this parameter is time a button on the corresponding enabled.

  • Page 37: User Name

    “Technical” Programming Description User Name • The user name is not displayed when the • This parameter allows the technician to Cronos Function is ENABLED. program a 16 character user name. • The user name is displayed continuously on the display on the second line. Us er Name Display Operating Procedure...

  • Page 38: Times Cup Heating

    “Technical” Programming Description Cup Heating Programming Mode • This parameter allows the technician to • This function is displayed only on the adjust the operating time of the resistance models of espresso machine equipped for the heating of the cups. with this accessory.
  • Page 39 “Technical” Programming Description Cup Heating • This parameter allows the technician to • This function is displayed only on the adjust the operating time of the resistance models of espresso machine equipped for the heating of the cups. with this accessory. Cu p heat i ng Ti mes •...

  • Page 40: Pre-Brewing

    “Technical” Programming Description Pre-Brewing (Pre-Infusion) Programming Mode • This parameter allows the technician to • Pre-brewing has two values to adjust. enable or disable the pre-brewing (also T(tot) is the total time for pre-brewing. called pre-infusion) function. T(on) is athe amount of time that the brew valve is open during T(tot).

  • Page 41: Filter Alarm

    “Technical” Programming Description Filter Alarm • This parameter allows the technician • A value of 0 (zero) disables the ilter to preprogram an alarm that notiies alarm parameter. the user when the water ilter requires service or replacement. Fi l t er Al ar m •...

  • Page 42: Steam Boiler Automatic Fill

    “Technical” Programming Description Steam Boiler Automatic Fill Programming Mode • This parameter allows the technician to • The electronics installed in this espresso select the activation of the water pump machine give priority to the brew boiler during the steam boiler auto- ill cycle. for pressure.
  • Page 43 “Technical” Programming Description Steam Boiler Automatic Fill During Coffee Dispensing • This parameter allows the technician to Enable/Disable the steam boiler automatic illing while dispensing coffee. Du r i n g Co f f e e Di s p En a bl e Fi l l i n g Up Display Operating Procedure Press and hold the...

  • Page 44: Tea Water

    “Technical” Programming Description Tea Water Programming Mode • If the optional adjustable temperature • This parameter allows the technician to hot water dispense valve is installed, this select the activation of the water pump parameter is set to “with pump”. during hot water dispensing.

  • Page 45: Steam Boiler Pressure Regulation

    “Technical” Programming Description Steam Boiler Pressure Regulation • This espresso machine comes with the small screw on the switch. option of either a pressure switch or • When a temperature probe has been a temperature probe for maintaining installed the pressure in the steam boiler pressure in the steam boiler.

  • Page 46: Steam Boiler Temperature

    “Technical” Programming Description Steam Boiler Temperature Programming Mode • The maximum permitted value for the Correction • This parameter allows the technician to temperature setting is 129°C. adjust the pressure of the steam boiler by raising or lowering the temperature of the steam boiler.

  • Page 47: Open Valve

    “Technical” Programming Description Open Valve • This parameter allows the service staff • This parameter allows steam boiler to enable/disable the opening of the hot depressurization. water valve. OPEN VAL VE DI SABL ED Display Operating Procedure 0 9: 3 0 When the espresso machine is turned off, press and hold the button on the group 1 keypad until the following is displayed (approximately 10 seconds)

  • Page 48: Drain Steam Boiler

    “Technical” Programming Description Drain Steam Boiler Programming Mode • This parameter enables the technician • This procedure is recommended in case to enable/disable the steam boiler the machine should remain inactive for more than 8 hours and in any case at draining.

  • Page 49: Safety Valve

    “Technical” Programming Description Safety Valve • This parameter allows the service staff • Should the safety valve fail to trigger to enable/disable the safety valve test. within approximately one minute of the • This parameter allows to bring the steam temperature reaching 140°C, disable boiler temperature to 140°C, thus the function and replace the valve.

  • Page 50: Technician Password Assignment

    “Technical” Programming Description Technician Password Programming Mode Assignment • This parameter allows the technician to change the password necessary to access the Technician Level Parameters (please make a note of the password as Pas s wor d it is not resettable) Set t i ng Display Operating Procedure...

  • Page 51: Water Volume Programming

    “Technical” Programming Description Water Volume Programming • The saved program is a number. This • This parameter allows the operator to number relates to the number of pulses program the water volume (shot volume) the lowmeter delivers to the CPU. Once for the individual buttons on the keypad.
  • Page 52 “Technical” Programming Description Water Volume Programming Programming Mode • The saved program is a number. This • This parameter allows the operator to number relates to the number of pulses program the water volume (shot volume) the lowmeter delivers to the CPU. Once for the individual buttons on the keypad.

  • Page 53: Nominal Coffee Boiler

    “Technical” Programming Description Nominal Coffee Boiler Temperature • This parameter is set at the factory at a • The temperature of the water exiting the preset nominal temperature. group head is held constant by means • The set temperature of this parameter of the mass of the group casting.

  • Page 54: Cup Heating

    “Technical” Programming Description Cup Heating Programming Mode • This parameter allows the user to enable • Additional parameter settings or disable the cup heating routine. available in the factory level parameters • The cup heater is an option ordered from under Cup Heating Times.

  • Page 55: Doses Reading

    “Technical” Programming Description Doses Reading • This parameter allows the user to review • The number displayed is the total the total doses dispensed for each number of times the individual button button. has been activated. Dos es Readi ng pr es s + or - Display Operating Procedure...

  • Page 56: Clock Adjust

    “Technical” Programming Description Clock Adjust Programming Mode • This parameter allows the user to set the • This parameter is used by the “Auto On/ time of day and the day of the week. Off” parameter Cl oc k adj ust 09: 30 Tues day Display Operating Procedure...

  • Page 57: Auto On/Off

    “Technical” Programming Description Auto On/Off • This parameter allows the user to • This feature also allows the espresso program the espresso machine to turn on machine to remain in the off condition at a preset time and turn off at a preset for one repeating closed day.
  • Page 58 “Technical” Programming Description Auto On/Off Programming Mode • This feature also allows the espresso • This parameter allows the user to machine to remain in the off condition program the espresso machine to turn on for one repeating closed day. at a preset time and turn off at a preset time.

  • Page 59: Pre-Programmed Rinsing

    Extra Programs [Rinsing or Back Flushing] Description Pre-Programmed Rinsing (Back Flushing) Routine • This espresso machine has a group • The rinsing routine is provided to give rinsing (backlushing) routine built into the operator more lexibility and freedom the electronics. surrounding this operation.

  • Page 60: Troubleshooting

    Troubleshooting • This espresso machine is equipped with several feedback mechanisms that alert the operator when an unusual condition occurs. Additionally the espresso machine will warn the operator when certain parameters fall below or above the programmed point. These errors and warnings will appear as a message in the display.

  • Page 61: Ee - Table Of Contents

    EE - Table of Contents EE - Table of Contents EE Programming Introduction page 61 Accessing Programming Mode page 62 Coffee Boiler Temperature (example description for all parameters) page 63...
  • Page 62 EE Programming Introduction Description Digital Display • This espresso machine has a very powerful CPU and many conigurable settings. LaMar z oc c o 09: 30 • Additionally, there are many feedback Fi r enz e I t al i a controls employed this...
  • Page 63 EE Accessing Programming Mode Description EE Programming Mode • To change any conigurable parameter The two programming levels are as follows: the operator must irst enter into the • Barista Programming. Limited parameters programming mode. are available. • There levels within •...
  • Page 64 Boiler Parameters Description (Barista Programming Example) Programming Mode Nominal Coffee Boiler • This parameter is set at the factory at a • To set the temperature of any espresso preset nominal temperature. machine it is important to measure the Temperature •...
  • Page 65 Boiler Parameters Description (Factory Programming Example) Steam Boiler Level Delay • This parameter is safety feature that consider the motion of the water inside of the steam boiler. Cof f ee Boi l er 1 202. 5 C 202. 6 C Display Operating Procedure Turn off the main-switch (O position/ Off position)

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Fb/80

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