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
2
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
3

Unscrew the 4 indicated
screws (T20) Torx
1
1.1 To remove side panel
2
Remove with attention
the panel
4

1.2 To remove back panel
To remove the back of the
appliance, unscrew the
2 indicated screws (T20)Torx.
5

12
1.3 To remove upper panel:
Unscrew the 2
Indicated screws
Lift with attention the
upper panel
6

Take off the panel, pushing it
to the back. Pay attention to
the 3 indicated hooks
3
7

1.4 To replace Flowmeter
1
1. Take off the cable
2. Take off the 2 tubes
2
Take off the metal ring placed under
the pot container. Now it is possible
to remove the Flowmeter
8

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.
9

1.6 To remove the steamer:
1
1. Take off tubes
2. Take off cables
3. Unscrew the fixing screw
2
Take off the 2 Thermal Cut Off
Now it is possible to remove the
steamer
10