La Marzocco GS/3 Owner's Manual
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La Marzocco GS/3 Owner's Manual

La Marzocco GS/3 Owner's Manual

Installation guide software manual
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Summary of Contents for La Marzocco GS/3

  • Page 2 Congratulations on your purchase of a La Marzocco espresso machine! pag 13 6. Key Features You can now join the La Marzocco Club, a website dedicated to proud La Marzocco pag 15 7. Preventative Maintenance and Cleaning owners and La Marzocco enthusiasts.

  • Page 3: General Information

    1. General Information Safety Instructions 5) Furthermore, you must ensure that WARNING 1) Check to see that data on the rating the capacity of the available electrical THIS MACHINE IS FOR PROFESSIONAL USE plate corresponds to those of the main system is suitable for the maximum ONLY AND SHOULD BE INSTALLED IN LOCA- TIONS WHERE ITS USE AND MAINTENANCE...
  • Page 4 by improper and/or irrational use. This cup warmer tray with cloths or other WARNING machine should not be installed in items. HAZARDOUS VOLTAGE DISCONNECT FROM kitchens. POWER SUPPLY BEFORE SERVICING. Minimum room temperature: 5°C 8) Using any electrical device requires Maximum room temperature: 32°C that certain fundamental rules be 10) If the machine is operating in a faulty...
  • Page 5 2. Accessories Check the package to make sure that the following accessories are included in the packaging: QTY. PART NO. DESCRIPTION UT003 L111/2NAC PORTAFILTER ASSEMBLY, F.3.029 F.3.028 F.3.027 F.3.026 L115/C DOUBLE SPOUT, S/STEEL V067 L111/1AC PORTAFILTER ASSEMBLY, SINGLE SPOUT, S/STEEL L115/C PORTAFILTER BASKET, BLIND...

  • Page 6: Machine Description

    3. Machine Description group head group cover (AV model) cup tray paddle group and handle (MP model) pressure gauge main power switch (steam boiler) pressure gauge (coffee boiler) steam wand steam activation lever display hot water dispensing keypad spout temperature adjustment drain box Figure 2 - Machine Description knob for hot water...

  • Page 7: Installation

    THE COFFEE MACHINE MUST BE PLACED the cover and fill water reservoir with pump is activated. When the GS/3 is IN A HORIZONTAL POSITION ON A COUNTER HIGHER THAN 80 CM FROM THE GROUND potable water.
  • Page 8 For more detailed water to be brewed. instruction please refer GS/3 5) Waiting for the Espresso Machine to NOTE: As the steam boiler reaches Installation Guide. Heat to Operating Temperature. During operating temperature you may hear air...
  • Page 9 6) Adjusting the Expansion Valve. The expansion valve is a component that limits the maximum pressure in the coffee boiler. Heating the coffee boiler causes the water within to expand. Since the coffee boiler is completely saturated, the expanding water causes an increase in pressure within the boiler.
  • Page 10 7) Adjusting Water Pump Pressure. 3. Adjust the water pump pressure to NOTE: The water pump pressure should The water pump is factory set at 9 bar the desired measurement. be adjusted when the machine is pressure. If it becomes necessary to 4.

  • Page 11: Operation

    Press down on the ground coffee with the supplied tamper and install the portafilter on the GS/3. On FILTER AV model press a brew button to begin bASkET...
  • Page 12 3. Dispensing Steam. Using too little milk in a steaming pitcher This button commands the hot water In order to allow for any condensed water can allow the milk to be “blown out” of delivery. The volume of water delivered in the wand to be released ALWAYS allow the pitcher.

  • Page 13: Key Features

    1. Controlling the Brew Process Using 3. Quick Keys. 5. General Notes for Coffee Preparation. Volumetric Programming. The GS/3 has 4 Quick Keys to allow The portafilters must remain heated This espresso machine allows the the user to gain quick and easy access...
  • Page 14 7. IMPORTANT To improve the flavor • Turn on the hot water valve for the profile of the espresso, the temperature time necessary to allow 1 liter of water of the water in the coffee boiler, and to be brewed. therefore of the groups, may eventually •...

  • Page 15: Preventative Maintenance And Cleaning

    7. Preventative Maintenance and Cleaning Cleaning (Daily) cleaning product (following the product’s appropriate brush. Otherwise, using an 1. Cleaning the Diffuser Screen. instructions) into the filter, engage the espresso cleaning product, following the During discharge operation portafilter into the group you want to product’s instructions put the correct (subsequent to coffee brewing), small clean.
  • Page 16 5. Cleaning the body. NOTE: This cleaning schedule is based or an appropriate tool, loosen the Wipe the stainless steel surfaces with a upon a moderate to average use (20- expansion valve until water begins to soft, non abrasive cloth in the direction 300) cups per day.
  • Page 17 GS/3 GS/3 Installation Guide Chapters 1. Unpackage GS/3 Espresso Machine pag 18 pag 21 8. Remove air from group head (bleeding the group) 2. Fill with water (Initial Fill) pag 18 pag 22 9. Monitor coffee boiler pressure 3. Drain Box Alignment...
  • Page 18 “Refill Tank”. The message “Refill Tank” will be displayed anytime the reservoir does not have contact with the level indicators. NOTE: The GS/3 is configured to work with the water reservoir. To connect the GS/3 to the mains water supply and the waste drain system, please refer to number 14 on page 24.
  • Page 19 The drain box has two alignment pins that mate with two alignment holes on the base of the GS/3. When installing the drain box, ensure that the alignment pins are inserted into the alignment holes. It may be necessary to push slightly on the front of the drain box to achieve proper alignment.
  • Page 20 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, OR IF OTHER ELECTRICAL PARTS HAVE BEEN CONNECTED IMPROPERLY. Turn on power by pressing the main power switch. The main power switch may be found on the left rear of the machine.
  • Page 21 Press the “continuous” button to allow water to enter into the coffee boiler and wait for the brewing phase to end. Repeat twice. Now it is necessary to remove all of the air in the coffee boiler to saturate the group. This is commonly referred to as bleeding the group.

  • Page 22: Steam Boiler

    Steam Boiler Coffee Boiler Pressure Gauge Pressure Gauge Next it will be necessary to check the expansion valve. As the coffee boiler heats to operating temperature the pressure in the coffee boiler will rise. There is an expansion valve behind the drain tray that allows some water to escape during this process to limit the maximum pressure in the coffee boiler to 12 bar.
  • Page 23 Increase pressure Decrease pressure WARNING Please follow this procedure if it is necessary to adust the expansion valve. First remove the drain box to access the expansion valve. THE EXPANSION VALVE CAN DISCHARGE WATER AS HOT AS 200°F / 93°C. The expansion valve protrudes through the sheet metal, has the ADEQUATE PROTECTION FOR HANDLING shape of a cylinder, is brass in color and approximately 25mm in...
  • Page 24 You may also monitor the steam boiler heating progress by watching the Steam Boiler Pressure Gauge. The steam boiler is set at approximately 2.0 Bar of pressure at the factory. Once the pressure gage reaches this point the heating will stop. When the coffee boiler reaches operating temperature all lights on the keypad will light.
  • Page 25 When the espresso machine is ready, place ground coffee into the portafilter and activate the brewing process. For additional information to operate this espresso machine please refer the the Owner’s Manual or the Software Programming Guide. Steam Boiler Coffee Boiler Pressure Gauge Pressure Gauge When brewing, the coffee boiler...
  • Page 26 Please follow this procedure to connect the Water Pump GS/3 to the mains water supply and the waste water drain system: 1. Turn off the machine. 2. Remove the drain box. 3. Slide out the water reservoir from the machine base, disconnect the hose from the top of the reservoir and remove the water reservoir.
  • Page 27 GS/3 GS/3 Software Programming Guide Programming Introduction PID Setting pag 44 Digital Display pag 28 Coffee Boiler Temperature Offset pag 45 Programming Keypads pag 29 Water Filter Alarm pag 46 Accessing Programming Mode pag 31 “Machine ON” Programming Water Volume Programming...

  • Page 28: Programming Introduction

    Programming Introduction Description • This espresso machine has a CPU and many configurable 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 LaMarzocco 09:30 Firenze Italia...

  • Page 29: Programming Keypad

    Programming Keypad The keypad has two functions. The first is for control of the espresso. The second is for programming individual software parameters. The button and the button are used to change the values of the individual parameters. The label for these buttons are “Espresso”...

  • Page 31: Accessing Programming Mode

    These parameters are set at • The two programming levels are as the factory and there is no need for follows adjustment. La Marzocco reccomends • Machine “On” - The parameters that no changes are made at this level. Display...

  • Page 32: Start-Up Procedures

    The machine begins to 170.5 06:30 La Marzocco T:00 automatically fill the steam boiler until full. When the espresso machine reaches operating temperature, all keypad lights will light indicating that the espresso machine is ready to use.

  • Page 33: Shutdown Procedures

    200.5 F 09:30a machine. machine. La Marzocco T:00 Display Operating Procedure The following is the procedure for safely turning off the espresso machine. Press and hold the button then press the button .

  • Page 34: Quick Access Programming (Quick Keys)

    Quick Access Programming (Quick Keys) Description (ver 1.15) the following quick keys are Quick Keys available: • For convenience, there is access to five Quick Key Function parameters of the software without Number entering program mode. Group rinse cycle • These parameters are accessed through the use of “Quick Keys”.

  • Page 35: "Machine Off" Programming

    “Machine OFF” Programming Description Language • This parameter allows the operator to change the language of the display. Language English Display Operating Procedure Enter into “Machine Off” programming mode. 09:30 Press the button or the button to change the language. Language English Temperature...
  • Page 36 “Machine OFF” Programming Description Name • This parameter allows the technician to program a 16 character user name. • The user name displayed Name continuously on the display on the -------------- second line. • The user name is not displayed when the Crono Function is ENABLED.

  • Page 37: Heating (Power Mode)

    “Machine OFF” Programming Description Heating (Power Mode) • This espresso is equipped with a power • There are two options in Power saving saving feature that allows the espresso mode: machine to operate at lower power if • Full - This mode gives full power to both Heating needed.

  • Page 38: Water Reservoir (Tank)

    “Machine OFF” Programming Description Water Reservoir (Tank) • This parameter allows the user to choose the use of a water reservoir. If the espresso machine is connected directly to the water supply, then this Water Tank value should be set to “not present”. Present This must be done before the machine is plumbed.

  • Page 39: Tea Water

    “Machine OFF” Programming Description Tea Water • This parameter allows the technician to select the activation of the water pump during hot water dispensing. • When hot water is drawn from only the Tea Water steam boiler this parameter should be with Pump set to “without pump”.

  • Page 40: Steam Boiler Probe Sensitivity

    “Machine OFF” Programming Steam Boiler Probe Description Sensitivity • This parameter allow the user to set the probe sensitivity depending of the hardness of the water. The harder the ProbeSensitivity water, the lower the sensibility of the probe. Display Operating Procedure Enter into “Machine Off”...

  • Page 41: Service Cycles

    “Machine OFF” Programming Description Service Cycles • This parameter allows the user to program a threshold number of cycles (in multiples of 1000) when the Service Cycles machine prompts for service. • When Prompted for Service, the “Service Phone” number will be displayed.

  • Page 42: Temperature Measurement Units

    “Machine OFF” Programming Temperature Measurement Description Units • This parameter is set at the factory at the request of the local distributor. • This parameter has two options Celsius (°C) or Fahrenheit (°F). Temperature ° Display Operating Procedure Enter into “Machine Off” programming mode. 09:30 Scroll through the displayed parameters using the button until the following display appears:...

  • Page 43: Proportional, Integral, Derivitive (Pid) Settings (Coffee Boiler)

    “Machine OFF” Programming Description Proportional, Integral, Derivitive (PID) Settings • This parameter is preset at the factory • If you do wish to change the values (Coffee Boiler) based upon theoretical calculations and find that unexpected results occur, and physical experiments. return to the factory default values: •...

  • Page 44: Pid Setting

    “Machine OFF” Programming Description PID Setting • This parameter sets a range in which • It is important to write down the the PID algorithm is active. number before any changes are made • This parameter is preset at the factory to make sure you can return to the PID Setting based upon theoretical calculations...
  • Page 45 “Machine OFF” Programming Description Coffee Boiler Temperature Offset • This parameter isused to calibrate • It is not recommended that this number the coffee boiler temperature system is changed. Changes to this parameter to ensure the display temperature can cause unexpected results. Coffee T.

  • Page 46: Water Filter Alarm

    “Machine OFF” Programming Description Water Filter Alarm • This parameter allows the technician • A value of 0 (zero) disables the filter to preprogram an alarm that notifies alarm parameter. the user when the water filter requires Water filter service or replacement. •...

  • Page 47: Water Volume Programming

    Operating Procedure Enter into “Machine On” programming mode. 200.5 F 06:30 La Marzocco T:00 Press one of the following buttons: Doses Setting Select within30s Water will begin to flow. When the desired amount of water has been dispensed, press the same button again to...

  • Page 48: Clock Adjust

    • Hour Format 12h or 24h Display Operating Procedure Enter into “Machine On” programming mode. 200.5 F 06:30 La Marzocco T:00 Press and hold the button to enter into programming mode. Doses Setting Select within30s Clock Adjust Then press the button to access the adjustable parameters.
  • Page 49 Display Operating Procedure Enter into “Machine On” programming mode. 200.5 F 06:30 La Marzocco T:00 Press and hold the button to enter into programming mode Doses Setting Select within30s Clock Adjust Then press the button to access the adjustable parameters.

  • Page 50: Coffee Boiler Temperature

    “Coffee T. Offset” parameter. Display Operating Procedure Enter into “Machine On” programming mode. 200.5 F 06:30 La Marzocco T:00 Press and hold the button to enter into programming mode. Doses Setting Select within30s Clock Adjust Then press the button to access the adjustable parameters.

  • Page 51: Steam Boiler Temperature

    Display Operating Procedure Enter into “Machine On” programming mode. 200.5 F 06:30 La Marzocco T:00 Press the button to enter into programming mode Doses Setting Select within30s Then press the button to access the adjustable parameters.

  • Page 52: Pre-Infusion Or Pre-Brewing

    (in seconds) that the Display Operating Procedure Enter into “Machine On” programming mode. 200.5 F 06:30 La Marzocco T:00 Press the button to enter into programming mode. Doses Setting Select within30s Then press the button to access the adjustable parameters.

  • Page 53: Service Phone

    (555)123-4567 Display Operating Procedure Enter into “Machine On” programming mode. 200.5 F 06:30 La Marzocco T:00 Press the button to enter into programming mode Doses Setting Select within30s Clock Adjust Then press the button to access the adjustable parameters.
  • Page 54 Display Operating Procedure Enter into “Machine On” programming mode. 200.5 F 06:30 La Marzocco T:00 Doses Setting Press the button to enter into programming mode. Select within50s Clock Adjust Then press the button to access the adjustable parameters.

  • Page 55: 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 56 printed on environmentally friendly Munken paper...

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