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© Rocket Espresso Ltd. IT05846260965.Espresso machine mod. R 58. User manual Ed. 03.2012. Subject to change without notice # 26
Hydraulic diagram (information for the authorized service technician)
A Service boiler (hot water / steam) C Brewing head (“group”)
B Brew boiler (coffee water) D Fresh water reservoir
1 Hot water valve 8 Non return valve
2 Steam valve 9 Boiler fill solenoid valve
3 Vacuum breaker valve 10 Expansion valve
4 Safety valve 11 Solenoid valve hard plumbing
5 Service boiler pressure gauge 12 Solenoid valve water reservoir
6 Pump pressure gauge 13 Drain hopper
7 Commercial rotary pump 14 Connection pipe to mains