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Service Manual
P0055 coffee Machine - 2006
Edition
2006.08.28
Language
english
2.5. FuncTiOnal waTer circuiT diagraM
1
2
3
4
5
6
7
8
9
10
11
12
heating
element
heating
element
hot water / steam
Thermostat
175°
component
Function
1 Water reservoir
Water supply
2 float
Water empty detection
3 Water filter
elimination of solids from water
4 Turbine
Pulse flow measurement, adjusts quantity
5 pump
Water flowrate / pressure (15 bar)
6 pressure relief valve
protects the water circuit from overpressure conditions (valve opens at 17-19 bar)
7 heat exchanger / heating
provides heating for delivery of water, coffee and steam
8 Temperature sensor
Transmits current temperature values to the electronic control system
9 overtemperature thermostat
In the event of overheating, disconnects appliance power supply
10 hot water / steam supply valve When opened delivers hot water or steam
11 Tubular boiler
for steam delivery
12 Steam/hot water solenoid valve opens if wand is blocked
