Astoria 2GR - Sae Extractable Exchanger; Hydraulic Diagram

TECHNICIANS' manual
90 of 108
14.3 SAE EXTRACTABLE EXCHANGER hydraulic diagram
1 Steam valve
2 Hot water valve
3 Negative pressure valve
4 Safety valve
5 Pressure switch
6 Heating unit
7 Optical level
8 Pressure gauge
9 Automatic Water Entry Solenoid Valve
10 Heating unit heating element
11 Dispensing group
12 Group solenoid valve
13 Water inlet lter
14 Volumetric dosing device
15 SCNR valve
16 Built-in motor pump
17 Drain tray
18 Pump pressure adjustment
19 Water dispenser
20 Manual water inlet valve
21 Water inlet connection
22 Water lter/water softener
23 External motor pump
24 Heating unit drain valve
25 Water inlet
26 Drain
1
6
3
1
5
4
11
14
14
S
16
18
13
19
9
24
21
8
18
13
23
11
12
12
2
24
13
13
13
10
17
15
7
13
26
20
20
25
22
E
25
22
E
Internal motor pump
External motor pump