Wega Mininova Use And Maintenance Manual For The Technician

3
Technical manual
ENGLISH
NERO
C:0 M:0 Y:0 K:100
ROSSO
C:0 M:100 Y:100 K:0
VERDE
C:100 M:0 Y:100 K:0
Index
A General Warnings ........................................................................... 5
B Warnings for the installer ............................................................... 5
B.1 Power .................................................................................... 5
B.2 Materials to be used .............................................................. 5
B.3 Hydraulic connections ........................................................... 5
B.4 Activation .............................................................................. 5
B.5 Maintenance and repairs ....................................................... 6
C Typographical conventions ............................................................. 6
Section I - OPERATION ....................................................7
1 Technical characteristics ................................................................. 8
1.1 Internal components ............................................................. 8
1.2 Internal components ...........................................................10
1.3 Push button panel Mininova 1GR Version EVD .....................12
1.4 Technical data .....................................................................12
2 Preparation ..................................................................................13
2.1 Unpacking the machine .....................................................13
2.2 Equipment preparation ...................................................... 14
3 Machine installation .....................................................................15
3.1 Positioning ..........................................................................15
3.2 Hydraulic connection (with hydraulic connection available) ..16
3.3 Hydraulic connection (with inner tank) ............................... 17
3.4 Conversion from TANK to WATER MAINS 1GR Version ..........19
3.5 Conversion from WATER MAINS to TANK 1GR Version ..........20
3.6 Conversion from TANK to WATER MAINS 2GR Version ..........21
3.7 Conversion from WATER MAINS to TANK 2GR Version ..........22
3.8 Wiring ................................................................................. 23
3.9 Machine start-up ................................................................23
3.10 External motor pump adjustment .......................................24
3.11 Machine tune-up ................................................................ 24
4 Boilers .......................................................................................... 25
5 Control of the pressure in the boiler ..............................................25
6 Automatic Water Entry .................................................................25
7 Coee delivery groups .................................................................. 26
8 Electronic control unit (version EVD) .............................................26
9 Volumetric dosing (version EVD) ..................................................26
10 Pumping system ...........................................................................27
11 Electronic push button panels (version EVD) ................................27
12 Pressure switch .............................................................................27
13 Thermostat ...................................................................................27
14 Anti-ooding device .....................................................................28
15 Valve group ..................................................................................28
15.1 Valvola antidepressione ......................................................28
15.2 Safety or pressure relief valve ..............................................28
15.3 Expansion-non return valve ................................................28
15.4 BY - PASS valve .................................................................... 28
16 Hot water dispensing nozzle.........................................................29
17 Steam dispensing nozzle .............................................................. 29
18 Softener .......................................................................................29
18.1 Description ..........................................................................29
18.2 Measuring of the water hardness ........................................ 29
18.4 Technical data .....................................................................30
18.3 Setting by-pass ..................................................................30
19 Softener .......................................................................................31
20 Descaling ......................................................................................32
20.1 1GR Version ......................................................................... 32
20.2 2GR Version ......................................................................... 33
21 Cleaning ....................................................................................... 34
22 Checks and maintenance ..............................................................35
23 Malfunctions and related solutions ..............................................37
24 List of hazards ..............................................................................40
Section II - ELECTRICAL/HYDRAULIC diagrams ................ 41
25 Electrical schemes ........................................................................42
25.1 Electrical scheme versions1GR EMA-EPU .............................42
25.2 Electrical scheme version 1GR EVD ...................................... 43
25.3 Electrical scheme version 2GR ............................................. 44
26 Hydraulic schemes ........................................................................45
26.1 Hydraulic scheme 1GR .........................................................45
26.2 Hydraulic scheme 2GR .........................................................46

Wega Mininova Specifications

General

Brand	Wega
Model	Mininova
Category	Coffee Maker
Language	English