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EN

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8) Using any electrical device requires that 
certain fundamental rules be observed. In 
particular:
- do not touch the device with wet or 

moist hands and feet

-  do not use the device while not wearing 

shoes

- 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

-  do not allow children or untrained people 

to use this device

9) Before performing any maintenance and/
or cleaning operations (other than back-

flushing the group), turn the main switch 

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 exclusively the 
instructions contained in this manual.

10) If the machine is operating in a faulty 
manner or stops working, disconnect it 
from the electrical network (as described 
in the preceding point). Do not attempt 

to  repair  it.  Contact  a  qualified  and 
authorized  professional  to  perform  any 

repair. Any repair 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.

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

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

Minimum room temperature: 

5°C

Maximum room temperature: 

32°C

13) 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 electrical network by 
unpluging the power cord or switching off 
the relative circuit breaker and close off the 
water supply; to replace the power supply 

cord,  contact  qualified  professionals 

exclusively.

WARNING

THE MACHINE MUST BE INSTALLED SO THAT 

QUALIFIED TECHNICAL PERSONNEL CAN EASILY 

ACCESS IT FOR MAINTENANCE.

WARNING

HAZARDOUS VOLTAGE DISCONNECT FROM POWER 

SUPPLY BEFORE SERVICING.

WARNING

THIS APPLIANCE IS NOT INTENDED FOR USE BY 

PERSONS (INCLUDING CHILDREN) WITH REDUCED 

PHYSICAL, SENSORY OR MENTAL CAPABILITIES, 

OR LACK OF EXPERIENCE AND KNOWLEDGE, 

UNLESS THEY HAVE BEEN GIVEN SUPERVISION OR 

INSTRUCTION CONCERNING USE OF THE APPLIANCE 

BY A PERSON RESPONSIBLE FOR THEIR SAFETY.

WARNING

IN ORDER TO PREVENT CRACKS OR LEAKAGE: DO 

NOT STORE OR INSTALL THE COFFEE MACHINE IN 

PLACES WHERE TEMPERATURE MAY CAUSE BOILER OR 

HYDRAULIC SYSTEM WATER FREEZING.

Summary of Contents for GS/3

Page 1: ...esearch and development yielded the creation of a yet another standard setting espresso machine the GS 3 With La Marzocco performance and technology the GS 3 is designed for light commercial applicati...

Page 2: ...Manual V1 3 09 2016 MAN 2 1 01 EN certifications available Chapters 1 General Information 2 Accessories 3 Machina Description 4 Installation 5 Operation 6 Key Features 7 Preventative Maintenance and...

Page 3: ...l 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 saf...

Page 4: ...e above could compromise the safe operation of the machine 11 In order to avoid dangerous overheating problems it is recommended that the power supply cable be unfurled completely 12 Do not obstruct a...

Page 5: ...11 2NAC PORTAFILTER ASSEMBLY DOUBLE SPOUT S STEEL 1 L111 1AC PORTAFILTER ASSEMBLY SINGLE SPOUT S STEEL 1 L115 C PORTAFILTER BASKET BLIND 1 F 3 029 Precision filter basket 7gr single 1 F 3 028 Precisio...

Page 6: ...cover group head AV model cup tray main power switch pressure gauge steam boiler pressure gauge coffee boiler steam wand steam activation lever hot water dispensing spout drain box temperature adjustm...

Page 7: ...units of a quick water test kit see image below including 6 test strips and instruction cards The parameters that you can measure are Total Hardness Total Iron Free Chlorine Total Chlorine pH Total A...

Page 8: ...r reinstall the group cover For more detailed instruction please refer the GS 3 Installation Guide NOTE It may be necessary to re fill the water reservoir during this process Check to see if the Water...

Page 9: ...team escaping from the boiler This is a normal sound As the water boils air in the boiler is replaced by steam and exits through the vacuum breaker As the boiler get closer to operating temperature th...

Page 10: ...water within to expand Since the coffee boiler is completely saturated the expanding water causes an increase in pressure within the boiler Without a safety device the increase in pressure could caus...

Page 11: ...side cover assembly 2 Locate the water pump adjustment screw and loosen the lock nut 3 Adjust the water pump pressure to the desired measurement 4 Rotate Clockwise to increase pressure and counter cl...

Page 12: ...correctly 2 Brewing Coffee It is now possible to remove the portafilter to make a coffee beverage Place some ground coffee in the portafilter basket using the single or double basket Press down on the...

Page 13: ...is necessary to use a larger steaming pitcher Using too little milk in a steaming pitcher can allow the milk to be blown out of the pitcher A good rule to follow is to fill the steaming pitcher only h...

Page 14: ...water supply and waste drain connection kit This kit allows the GS 3 to be connected to the main water supply and the main waste drain system Instructions for installing this kit are contained in the...

Page 15: ...he portafilter engaged in the group brew water through it for at least two minutes Being careful to avoid burns turn on each steam wand for at least one minute Turn on the hot water valve for the time...

Page 16: ...it is sufficient to clean them with water and a cloth or appropriate brush Otherwise using an espresso cleaning product following the product s instructions put the correct dose in about 1 2 a litre o...

Page 17: ...ssembly Locate the ball valve on the bottom left side of the machine Hold the ball valve with one tool and remove the brass cap on the end of the valve Move the espresso machine close to a waste drain...

Page 18: ...eck that brew pressure is at 9bar Check all switches for proper operation Check note water hardness Water quality must be within the range of parameters specified in the chapter on Installation otherw...

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