DeLonghi MAGNIFICA EVO Manuale utente

Doc. Nr.: DSDL_21008_A

[1]

Data Sheet and Service Manual

MAGNIFICA EVO

ECAM29X.6Y, ECAM29X.8Y

Date: 24.05.2021

TABLE OF CONTENTS:

1. TECHNICAL DATA ................................................................................................................................... 2

2. HYDRAULIC DIAGRAM........................................................................................................................... 3

3. WIRING DIAGRAM.................................................................................................................................... 4

4. WORKING PRINCIPLE............................................................................................................................. 6

5. TEST MODE............................................................................................................................................. 10

6. STATISTICS READING.......................................................................................................................... 13

7. TROUBLESHOOTING……………………………………………………………………………………………………………………….15

Doc. Nr.: DSDL_21008_A

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1. TECHNICAL DATA

Voltage 220-240V / 50-60 Hz

MAX. Input power 1450 W

Stand-by Button OFF 0,25 Wh (plug inserted but machine OFF)

COMPONENTS

Pump 220-240V AC - 48 W –Bar 15

Grinder motor 230V AC

Transmission motor 230V DC with position encoder

EV1 solenoid valve 230V AC

Thermoblock

- Temperature probe NTC sensor: operating set point

- Thermal fuse TCO 192 °C

- Heating element 230V AC –1400 W

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2. HYDRAULIC DIAGRAM

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[4]

3. WIRING DIAGRAM

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[5]

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[6]

4. WORKING PRINCIPLE

4.1. MICROSWITCHES, SENSORS AND SOLENOID VALVES

MICROSWITCHES

Function

Logic

M1 = UPPER MICROSWITCH

Detects when the infuser is on top

position

“NC”, it opens when the infuser is in top

position

M2 = LOWER MICROSWITCH

Detects when the infuser is on down

position

“NO”, it closes when the infuser is in down

position

M3 = DRAWER MICROSWITCH

Detects when the drip tray is in

correct position

Changeover micro switch. When the drip

tray is inserted:

- the contact for the drip tray

detection is OPEN;

- the contact for the transmission

motor power supply is CLOSED.

M4 = WATER TANK

MICROSWITCH

Detects the presence of the water

tank

Changeover micro switch. When the water

tank is inserted:

- the contact for the water tank

detection is OPEN;

- the contact for the transmission

motor power supply is CLOSED.

M5 = IFD CONNECTOR

MICROSWITCH

Detects when the IFD connector is

attached to the machine

“NO”, it closes when the IFD connector is

attached.

M6 = MILK JUG LID

MICROSWITCH

Detects when the milk jug lid is

attached to the machine

“NO”, it closes when the milk jug lid is

attached.

M7 = HOT WATER SPOUT

MICROSWITCH

Detects when the hot water spout is

attached to the machine

“NO”, it closes when the hot water spout is

attached.

REED AND ENCODER

Function

Logic

REED SENSOR LOW WATER

TANK

Detects when the water level is at

minimum

HALL SENSOR ENCODER

Detects rotations of transmission

motor

MILK PRESENCE OPTICAL

SENSOR

Detects when the milk jug contains

milk and when it is empty

- When the jug is connected and

contains milk, the milk presence

blocks the infrared beam

generated by the sensor and the

machine enables the milk

recipes preparation.

- When the jug is connected but it

is empty, the infrared beam

generated by the sensor is free to

pass and the machine disables

the milk recipes preparation. In

this case only the milk jug

cleaning function is active.

SOLENOID VALVE

Function

Logic

EV1 SOLENOID VALVE

3-Ways solenoid valve

It opens to deliver hot water through the

hot water spout and steam to the milk jug

for milk frothing. When it closes, it allows

the discharge of the residual pressure to

the expansion chamber and drip tray.

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4.2. COFFEE DELIVERY

Espresso delivery steps:

- Thermoblock is activated

- Grinder is activated for a certain timing (based on the coffee taste selection)

- Infuser moves to the mechanical valve

- Pump is activated for a couple of seconds for pre-infusion

- Pump restarts for coffee delivering

- Pump and thermoblock stop

- Infuser moves away from the mechanical valve and releases the coffee pod

- Mechanical valve discharges excess water/coffee to the grounds container

- Infuser is moved back to the “Coffee Ready” position

Cold water

Hot water

Coffee

Discharge

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4.3. HOT WATER DELIVERY

Hot water delivery steps:

- Thermoblock is activated

- EV1 solenoid valve is activated

- Pump is activated in fast pulsing mode for a certain timing

- Hot water is delivered through the hot water spout connected to the accessory nozzle

- Pump stops, EV1 and Thermoblock are deactivated

Cold water

Hot water

Discharge

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[9]

4.4. MILK FROTHING PREPARATION

Milk frothing preparation steps:

- Thermoblock is activated (setting temperature higher than 100°C)

- EV1 solenoid valve is activated

- Pump is activated in slow pulsing mode for a certain timing

- The steam is delivered to the milk jug attached to the accessory nozzle. Here it mixes with milk and

air to produce hot frothed milk.

- Pump stops, EV1 and Thermoblock are deactivated

Milk jug cleaning procedure:

- Thermoblock is activated

- EV1 solenoid valve is activated

- Pump is activated in very slow pulsing mode

- Hot water is delivered through the milk jug lid to clean its internal circuit

- Pump stops, EV1 and Thermoblock are deactivated

Cold water

Steam

Discharge

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[10]

5. TEST MODE

5.1. PROCEDURE TO ACTIVATE TEST MODES

- The appliance must be plugged-in and in stand-by mode.

- Remove the drip tray. The GROUNDS CONTAINER icon will flash

- Hold the combination of the below three button pressed (depending on the model):

ECAM29X.6Y

ECAM29X.8Y

until the GROUNDS CONTAINER icon will turn OFF and the LEDs of the below buttons (depending

on the model) will start flashing:

ECAM29X.6Y

ECAM29X.8Y

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