Technical Information
33
4.19 Flow Through Heaters
The Coffee Flow Through Heater (figure 4-19) has a large heater
element; and a small heater element. The Steam Flow Heater has
only one heater element (refer to figure 4-20)
Each Flow Through Heater has a Positive Thermal Coefficient
(PTC) Temperature Sensor that provides a signal to the electronic
unit for temperature control. In addition, a Thermostat is connected
in series with the heater element. Should the temperature become
too high, the Thermostat interrupts the power to the heater
element.
Figure 4-19: Hot Water / Coffee Heater
1 – Heater Element
2 – Water Valve
3 – Temperature Sensor (PTC)
4 – Heater Element
5 – Thermal Fuse
6 - Thermostat
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