Wega 1 Group, Use And Maintenance Manual

Page: 37 / 104

espresso coffee machine - hydraulic diagrams
R
IDR 7
English
3. EVD hydraulic diagram
14
10
16
14
19
11
S
3
4
2
22
17
21
8
5
1
E
1
5
4
2
23
E
13
17
2
20
24
7
6
9
2
15
11
18
12
18
22
12
External motor pump
Internal motor pump
1
Water softener
2
Water inlet filter
3
Built-in motor pump
4
Pump pressure adjustment
5
Manual water entry tap
6
SCNR valve
7
Drain tub
8
Gauge
9
Level-check window
10
Boiler
11
Heat exchanger
12
Delivery group
13
Hot water tap
14
Steam tap
15
Safety valve
16
Negative pressure valve
17
Boiler drain tap
18
Group solenoid valve
19
Pressure switch
20
Automatic Water Inlet solenoid valve
21
Water inlet connection
22
Volumetric dosing device
23
External motor pump
24
Water distributor
25
Boiler heating element
E
Water inlet
S
Drain