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