DeLonghi EN660 User manual

EN660

1. ACCESSIBILITY………………………… 3

1.1 Remove side panel………………………. 4

1.2 Remove back panel……………………… 5

1.3 Remove upper panel…………………….. 6

Remove upper panel…………………….. 7

1.4 Replace Flowmeter……………………….. 8

1.5 Remove Thermoblock…………………….9

1.6 Remove the Steamer…………………….. 10

1.7 Remove the Electrovalve………………… 11

Remove the Electrovalve………………… 12

1.8 Remove Coffee Pump…………………….. 13

1.9 Remove Electronic Board………………… 14

1.10 Remove MBU……………………………… 15

Remove MBU……………………………… 16

Remove MBU……………………………… 17

Remove MBU……………………………… 18

Remove MBU……………………………… 19

Remove MBU……………………………… 20

Remove MBU……………………………… 21

1.11 Remove the bottom……………………… 22

2. EXPLODED VIEW………………………... 23

2.1 Exploded view……................................... 24

Exploded view……………………………... 25

Spare part list……………………………... 27

Spare part list……………………………… 28

CONTENTS

3. TECHNICAL DATA SHEET…………………………………. 29

3.1 Technical data…………………………………………………. 30

Technical data…………………………………………………. 31

Technical data…………………………………………………. 32

3.2 Functional diagram…………………………………………… 33

3.3 Wiring diagram………………………………………………... 34

3.4 Hydraulic diagram…………………………………………….. 35

3.5 Reading memory…………………………………………….. 36

4. OVERVIEW OF RATING PLATE………………………….. 37

4.1 Rating plate……………………………………………………. 38

5. TIGHTENING TORQUES FOR SCREWS…………………. 39

5.1 Tightening torques for screws……………………………….. 40

6. MEASURING COFFEE TEMPERATURE………………….. 41

6.1 Coffee temperature …………………………………………… 42

7. WATER CIRCUIT……………………………………………… 43

7.1 Steam water circuit……………………………………………. 44

7.2 Coffee water circuit……………………………………………. 45

8.MAIN COMPONENTS………………………………………… 46

8.1 Components……………………………………………………. 47

9. WATER LEAKAGES AND PUMP……………………………48

PRESSURE TEST

9.1 Components……………………………………………………. 49

9.2 Test procedures……………………………………………….. 50

9.3 MBU Closing force setting………….....................…………..51

Spare part list…………………………… ... 26

1. ACCESSIBILITY

Unscrew the 4 indicated

screws (T20) Torx

1.1 To remove side panel

Remove with attention

the panel

1.2 To remove back panel

To remove the back of the

appliance, unscrew the

2 indicated screws (T20)Torx.

1.3 To remove upper panel:

Unscrew the 2

Indicated screws

Lift with attention the

upper panel

Take off the panel, pushing it

to the back. Pay attention to

the 3 indicated hooks

1.4 To replace Flowmeter

1. Take off the cable

2. Take off the 2 tubes

Take off the metal ring placed under

the pot container. Now it is possible

to remove the Flowmeter

1.5 To remove the Thermoblock

1. Take off cables

2. Take off tubes

3. Unscrew the 2 screws and

and the nuts. Now it is

possible to remove

the complete thermoblock.

1.6 To remove the steamer:

1. Take off tubes

2. Take off cables

3. Unscrew the fixing screw

Take off the 2 Thermal Cut Off

Now it is possible to remove the

steamer

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