Conti Monaco MC Guide

TECHNICAL DOCUMENTATION
Edition 05/2021
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MC

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1 TECHNICAL DOCUMENTS .......................................................................................... 4
2 DIMENSIONS ............................................................................................................ 4
3 CAUTION DURING THE USE ....................................................................................... 5
3.1 Ambient conditions 5
3.2 During installation 5
3.3 During the use 5
3.4 Rules relating to the environment 5
4 INSTALLATION ......................................................................................................... 6
4.1 Standby (standby = 2 months): 6
4.2 Protections 6
4.3 Water supply 6
4.4 Drain 6
4.5 Supplying voltage 6
4.6 Water softeners 7
5 FIRST INSTALLATION ................................................................................................ 8
6 STARTING & WARM UP ............................................................................................ 11
7 HOW TO USE THE MACHINE .................................................................................... 13
7.1 Operating elements 13
7.2 How to use the programmed doses 14
8 COFFEE GROUPS .................................................................................................... 15
8.1 Mode menu 15
8.2 Group eco mode 17
8.3 Clean button 17
9 PROGRAMMING DOSES METHODOLOGY .................................................................. 18
9.1 Coffee doses programming: 18
9.2 Hot water dose programming: 19
10 GENERAL DISPLAY .................................................................................................. 20

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10.1 ECO MODE (general) 20
10.2 Programming on general display 20
10.3 First level menu 21
10.4 Language 22
10.5 Clock adjustement 22
10.6 Installation 24
10.7 Adjustements 27
10.8 Maintenance 32
10.9 Technical parameters 36
10.10 Coffee Counters 40
10.11 Accessibility 41
11 COFFEE TEMPERATURE ADJUSTMENTS ................................................................... 43
12 QUALITY CRITERIA .................................................................................................. 44
13 STEAM CONTROL PRODUCTS ADJUSTMENTS .......................................................... 45
14 MAINTENANCE OF MACHINES ................................................................................. 46
15 ELECTRIC DRAWING ............................................................................................... 49
15.1 CPU board standard 49
15.2 CPU board Steam Control 50
15.3 Electrical power diagram for “400V 3L N PE” 51
15.4 Electrical power diagram for “230 V 1L N PE” 52
15.5 Connecting diagram: 12 fuses box 53
15.6 Solid state relay interface for “400 V 3NAC” 57
15.7 Low voltage wiring 58
16 HYDRAULIC SCHEME .............................................................................................. 59
17 ALARM ................................................................................................................... 61
18 POWER MANAGEMENT............................................................................................ 63

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1 TECHNICAL DOCUMENTS
Steam boiler Coffee boiler Group Outlet Total
power
Capacity
(liter)
Power
(W)
Capacity
(liter) Number
Power
(W) Number
Power
(W)
Power
(W) (W)
MC 2G 10 4200 0,9 2 1000 2 100 300 6700
MC 3G 14 6000 0,9 3 1000 3 100 300 9600
MC 2G K 10 6000 0,9 2 2500 2 100 300 11500
MC 3G K 14 6000 0,9 3 2500 3 100 300 14100
BOILER CAPACITY (IN LITERS)
2 Groups 3 Groups
TOTAL 10 14
Hot water volume 6,5 10
Steam volume 3,5 4
Coffee boiler volume 2 x 0.9 3 x 0.9
WEIGHT EMPTY
(Kg)
Weight
in operation (Kg)
2G 89 99
3G 103 117
2 DIMENSIONS
Cup warmer capacity: (88 espressos cups) or (56 espressos cups + 18 cappuccino cups)

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3 CAUTION DURING THE USE
3.1 Ambient conditions
 The ambient temperature around the machine had to be between 5°C and 32°C.
 The ambient humidity must not exceed 70 %
 The machine must be placed such as the cup warmer is located more than 1.5 meters from the
ground.
3.2 During installation
 The installation (electrical connections, water supply and drainage) must be carried out by a
qualified technician approved by CONTI.
 The machine must be connected to a device conforming to the standards of the country where the
machine is installed. Potential costs of equipment compliance are the only responsibility of the
customer.
 For any technical intervention, the machines must always have the power disconnected from the
mains.
 An effective earth connected to the terminal provided for this purpose on the device is mandatory
 A screw located under the bottom base machine, allow if necessary, to connect several machines
on an equipotential way.
 Devices for disconnection from the main supply, having a contact separation of at least 3mm in all
poles, must be provided in the fixed wiring in accordance with the installation rules.
3.3 During the use
 When the machine is not operating, the water cut-off valve must be closed and the electrical power
supply cut.
 When the machine is not supervised it must be disconnected from the power and water supply.
 Never disconnect the earthing when the machine is connected to the power supply.
 Machines must always be disconnected from the main power, in case of technical interventions.
b) We guarantee our machines subject to a correctly sized water treatment is installed backward and
adjusted according to the carbonate hardness of the water network.
3.4 Rules relating to the environment
 This device has been designed according to the European Directive No. 2002/95/EC. This refers to
the restriction of certain hazardous substances in electrical and electronic equipment (ROHS)
 This device has been designed in compliance with the European Directive No. 2002/96/EC
concerning waste electrical equipment (WEEE).
 This picture informs you that this device should not be discarded with household waste.
 At end of life, this product must be returned to a collection point or returned to an authorized
dealer. By doing so, you will help to protect the environment and human health.

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4 INSTALLATION
4.1 Standby (standby = 2 months):
 The first thing to do is to test your machine in a lab.
 If the machine stops running for a long time, you could have sediment in some places.
 More precisely in small area like the spray nozzle.
4.2 Protections
 It is necessary to place before the machine:
o A water shut off valve.
o An electrical protection standard, suitable for voltage and power consumption.
4.3 Water supply
 Recommended operating pressure from 0,15 MPa to 0,6 MPa
 Water connection pin 3/8"
 The water supply pipes must resist to 145 Psi / 1 MPa
4.4 Drain
 Without pressure.
 A tip on the outlet of the machine and a pipe is supplied with the machine
 Ensure a connection that causes no risk of fluid return, and ensure good drainage:
 The drainpipe must be located lower than the machine.
 Do not create a bend in the exhaust tube.
4.5 Supplying voltage
 To be specify when ordering: 230V – 50/60Hz Monofase
 Or: 400V – 50/60Hz Trifase

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4.6 Water softeners
 When the mains water has a high hardness (>10°TH ou >4 °KH), it is recommended:
o To use a water treatment
o To regenerate regularly the filters.
 What is the total Hardness of the water?
o This is the amount of calcium and magnesium ions in the water.
o These ions are partly responsible for limestone formation.
o It is measured with the test strip provided with the machine.
o The unit of measurement is the ° French (° TH) or the ° German (° dH).
 What is the Karbonat Hardness of the water?
o This is the amount of Carbonate Calcium ions and Carbonate Magnesium ions in the water.
o These ions are completely responsible for limestone formation.
o It is measured with chemical dropper testers.
o The unit of measurement is ° Carbonate (°KH)
There are 2 types of water treatments:
 Saltwater softeners
o They treat the total water hardness (°TH)
o By an exchange of sodium ions with calcium and magnesium ions.
o They require periodic regeneration of the resins by the user.
o To use when the water hardness is > à 10°TH or > 5 °GH
 Resins filters:
o They treat the Carbonat hardness water (°KH)
o By fixing carbonate ions on the resins.
o Often fitted with microfiltration and carbon filtration.
o To use when the Carbonat Hardness is > à 6°KH
o Highly recommended by the manufacturer:
 The machines are equipped with suitable protection in accordance with flowrate and
the water encountered.
 The changing cartridges is carried out by the technical service, at intervals to be
determined

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5 FIRST INSTALLATION
A. Open the water supply tap
B. Switch on the machine using the ON/OFF switch under the drip tray.
C. During 1 second
The general display shows the software version “Monte Carlo 2.18”.
D. According the situation the display shows:
E. Enter the password to access the first installation, as follows:
1° step:
Press MENU for 6 seconds
The display shows:
ON/OFF Switch
OFF
OFF MC 2.18
Please
wait!
Push “where
you want" on the display during 3
sec until:

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2° step:
Press
3° step:
Press
4° step:
The display shows :
F. The display shows:
Let the machine doing the 1° installation.
During this time, the air inside coffee groups are automatically vacuum by an opening cycle of vacuum valves,
pump and groups valves.
Press 3 times:
Installation
First Install
First Install
No
First Install
Yes
First Install
In progress

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G. The process is finished when the display shows:
Press Press
H. The display shows :
First Install
Installation

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6 STARTING & WARM UP
A. Switch ON the machine by pressing on the main display.
B. The keyboards are lighting, and shows the coffee boilers temperature settings
Coffee buttons are blinking. General display blinking
C. When the setting temperature of coffee boilers is reached (2 or 3 min): an automatic purge goes on.
The leds stay On General display blinking
D. When the steam boiler temperature reaches 105°C: hot water button lights up.
The leds stay On General display blinking
E. When the steam boiler temperature setting is reached (ex.125°C).
The machine is ready. All the lights stay On.
General display shows manometers
Please
wait!

95°C 95°C
95°C 95°C Please
wait!
Please
wait!
95°C
95°C

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F. Main display
 When the machine is ready, the general display shows:
Digital manometer M1 Digital manometer M2
Boiler pressure (MPa)
network or pump pressure
(MPa)
Level information
 Press “where you want” on the display, during 3 sec to switch OFF the machine
 The display shows:
ON/OFF

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7 HOW TO USE THE MACHINE
7.1 Operating elements
 STEAM FUNCTION
Two steams tap levers « V » are provided to allow:
 The heating of liquids by spraying steam.
 The milk foam production to create Cappuccino or Macchiato.
The liquid to be heated should preferably be placed in a deep container.
The tip of the steam wand outlet must be immersed in the liquid, without touching the bottom of the container.
The steam may also be used to sterilise and warm glasses.
After each use and absolutely after heating milk, always clean the stainless steel steam nozzle and the outlet
nozzles with a damp cloth, removing all traces present.
A rinsing of the steam lance inner holes is to be done by a short pulse on the lever downwards to release a jet of
steam.
 HOT WATER FUNCTION
Two electric taps “E” are provided for preparing tea, grog, etc.
Be careful, not to be burnt by the pressure water spray.
For that, the valve is coupled to cold water mixing for adjusting the water T° for tea and avoids spitting hot
water.
Each electric tape is controlled with 2 buttons for 2 different times

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 FILTERS
The machine is equipped with two types of filters: 1 cup (10 G) and 2 cups (18 G)
Each filter is operating with its own holder-filter to produce respectively 1 cup or 2 cups of coffee.
Filters need to be unclogged and clean, so they need to be cleaned almost once a day with hot water, by being
removed from the holder filters.
Take care to remove all residual traces of coffee and ensure proper cleanliness of perforations in the bottom of
the filter.
 FILTER-HOLDER
Never remove the filter-holder during operation of the group. The shutdown is controllable with coffee spouts:
they no longer eject liquid.
Be careful to always keep the filter-holder engaged in the group, emptied of coffee cake, to keep them warm.
In case of an extended stopping period, remove the filter-holder from the group, taking care to eject the used
grounds remain in the filter-holder.
Tighten the filter-holder until to be in contact with the seal, exceeding a little bit. The sealing is guaranteed.
Do not unnecessarily try to crush the seal by tightening the filter at the maximum of your possibilities. It may
damage the seal prematurely.
To empty the coffee filters used, turn the filter holder upside-down and lightly tap it on the edge of a wooden
box. Never strike it against metal or other hard objects.
 DIGITAL MANOMETER M1 : BOILER PRESSURE
The boiler pressure is adjusted in factory between 0,08 MPa (12 PSI) and 0,1 MPa (15 PSI). This value varies
slightly around its nominal temperature, due to the PID system which controls the heating and limits the
current consumption to its minimum.
Factory settings: 1,2 MPa with setting range from 0,08 MPa to 0,14 MPa.
NOTE: An over-heating thermostat cut the power on the general relay, in case of an abnormal high
temperature. The machine is not anymore supplied.
 DIGITAL MANOMETER M2: PUMP PRESSURE
The pump pressure is adjusted at 0,9 MPa in the factory. Value which allows the best extraction of coffee
flavors. A bypass system evacuates over-pressure.
NOTE: Simultaneous operation of all the groups can impact a little bit the pressure level.
Visualization of the presence of water network is done by consulting the gauge
7.2 How to use the programmed doses
 Simply select one of the buttons available on each keypad to obtain the doses or the programmed
drinks.
 The selected dose is shown by a blinking led on the keypad.
 The flow can be stopped by repressing:
o The same button or
o The STOP button (which is also the programming and continuous flow button).

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8 COFFEE GROUPS
8.1 Mode menu
Press the "Menu/Enter" button to enter in the programming mode.
The "Esc" button is used to escape from the programming mode.
MENU/ENTER - +
Esc
95°C
Coffee boiler T°
Group temperature
MENU
A
Soft-infusion
Dose setting MENU
C
Counters MENU
E
NORMAL MODE
ESC
ESC
ESC
ESC
ESC
- +
MENU
D
"MENU"
- +
- +
- +
MENU
B

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A) COFFEE BOILER TEMPERATURE
B) GROUP TEMPERATURE
C) DOSE SETTING
Coffee boiler T°
95°C
ENTER
+
-
Coffee boiler T°
Coffee boiler T°
94°C
ESC
Press "menu" to validate and "ESC" to escape
Group temperature
88°C
ENTER
+
-
Group temperature
Group temperature
89°C
Dose setting
ENTER
Dose setting
ESC
All the leds are OFF
It is enough to program the left group so that both
groups are configured in the same way.
 Do the dose and stop at the desired volume.
 When the dose is programmed the led button
remain lighting
 Do the same for the other buttons
 The continuous is not programmable.
 The hot water button (close to the keyboard)
is programmable like the coffee dose.
Press "menu" to validate and "ESC" to escape
PRESS "MENU" to validate and "ESC" to escape
ESC

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D) SOFT-INFUSION
E) COUNTERS
8.2 Group eco mode
If you press on the "ECO" button of one group, you enter in the "ECO" mode: the coffee boiler switches off. The
group is disabled but the group head is maintained at temperature. The other groups remain functioning. Press
again on the "ECO" button to enable the group.
8.3 Clean button
If you press on the "CLEAN" button of one group, a cleaning cycle starts.
 Prepare the blind filter holder and cleaning tablet
 Put it on the group head
 Press the "CLEAN" button
 The machine starts the cleaning cycle without any special indication.
A bar graph indicates the cleaning progress.
Espresso
10
ENTER
+
-
Counters
Other button
xx
Press "menu" to reset the counters
ESC
Soft-Infusion
Espresso 3.0 sec
+
-
Soft-infusion
« Menu » to validate and go to next step
« ESC » to escape
To adjust the closing time of the soft-infusion valve
Soft-Infusion
2 Espresso 3.0 sec
MENU
+
-
ESC
Programming a closing time of the coffee circuit during the extraction beginning.
During that time a low pression is applied on the coffee grounds.
EXTRACTION
Soft
Time
MENU
To adjust the closing time of the soft-infusion valve

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9 PROGRAMMING DOSES METHODOLOGY
9.1 Coffee doses programming:
MENU/ENTER - +
Esc
2 ways of programming are possible to set the coffee dose.
 Choose 1st group (on the left when the user is in front of the machine)
o To program all groups at the same time with the same value.
o The programmed key will have its equivalent key programmed identically on the other groups
 Choose each group separately, if they the groups need to have different value.
Methodology:
 Put the ground coffee (1 dose or 2 doses according to the programmed key), in the suitable filter holder.
 Press the “MENU” key: the display show “Coffee boiler T”
 Press 2 times the “+” key: the display shows “Doses setting”
 Press the “MENU” key: the display shows:
 The button to be programmed are not lighting.
 Press the key to be programmed to start the flow and press again when water quantity is correct.
 The value is directly registered
 The programmed key remains On
 Then, keep programming the next key, and so on for the other keys.
Note: On the factory, each machine undergoes a test protocol on which a program has already been completed,
according to the following settings:
1 espresso = 2,5 cl / 2 espressos = 5 cl / 1 coffee = 4,5 cl / 2 coffee = 9 cl
Doses setting
XX s YY ml
95°C

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9.2 Hot water dose programming:
«Hot water» key «Hot water» key
Methodology:
One programming dose is available for each outlet:
 Press key the “MENU” from the coffee group nearest the outlet to be programmed.
 The display show “Coffee boiler T”
 Press 2 times the “+” key: the display shows “Doses setting”
 Press the “MENU” key: the display shows:
 Push hot water key to start the flow and push again when the water volume is correct.
 The timing key is registered.
Doses setting
XX s YY ml

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10 GENERAL DISPLAY
10.1 ECO MODE (general)
The entire machine goes in eco mode. The steam boiler is maintained at 60°C.
Products can’t be extracted.
To come back on the main menu, press "where you want" on the display for 3 seconds.
10.2 Programming on general display
Push to navigate in the first level
If a password is not entered, the steps available are only those marked with: (*)
To access to the complete menu, go to the last step “Password” and enter the good password
Press the menu button for
5 seconds
- + ENTER
Esc.
Press the eco button
for eco mode
Access to complete menu by
push on “+”
Password
Password
Password
*