Wega Mininova, Instructions Manual

Page: 97 / 126

English
95
espresso coffee machine - technician instructions
19. HYDRAULIC CIRCUIT
1
Internal tank
2
Water inlet filter
3
Motor pump / Vibration pump
4
Pump pressure adjustment
5
Automatic Water Entry solenoid valve
6
By-pass valve (V ibration pump version)
7
Discharge tub
8
Dis non-return valve
9
Non-return valve
10
Boiler drain tap
11
Resistance
12
Boiler
13
Coffee heat exchanger
14
Pressure gauge
15
Safety valve
16
Negative pressure valve
17
Sonde NTC (version EVD)
18
Pressure switch (version EMA-EPU)
19
Steam tap
20
Hot water solenoid valve
21
Hot water tap
22
Dispensing group
23
Choke
24
Group solenoid valve
25
Expansion valve
26
Volumetric dosing device (EVD version)
E
A
19
16
15
9
17
13
11
5
20 21
6
7
3
2
1
4
12
S
10
10
25
18
-
O
+
EVD
9
8
11
7
26
S
14
22
23
24
A
Vibration pump version
E
Water inlet
EVD
EVD version
S
Drain