Temperature Monitoring - Miele T1515 Technical Information

T1500 series clothes dryers
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T1500 Series Clothes Dryers
Technical Information
4.5

Temperature Monitoring

Temperature Monitoring –
T1515, T1520, T1526, T1565C & T1570C
Drum temperature is monitored by the NTC (Negative Thermal
Coefficient) Temperature Sensor; mounted in the front of the Fan
Housing.
As the temperature within the drum area increases, the resistance
of the sensor decreases. The sensor resistance is monitored
by the microprocessor and is used to calculate the drum
temperature. The temperature is regulated by the electronic via the
two (2) Heater Relays. When the Electronic energizes the Heater
Relay(s), higher voltage contacts within the relay(s) close and allow
power to the Heater Element(s).
Temperature Monitoring –
T1576 Only
Drum temperature is monitored by two NTC (Negative Thermal
Coefficient ) Temperature Sensors. One Sensor is mounted in the
Heater Bank Assembly, the second Sensor is mounted in the Fan
Housing. Both sensors are monitored by the microprocessor; and
are used to calculate the drum temperature.
The temperature is regulated by the electronic via the two (2)
Heater Relays. When the Electronic energizes the Heater Relay(s),
higher voltage contacts within the relay(s) close and allow power to
the Heater Element(s).
Should the Main Motor fail to operate, airflow does not occur;
resulting in increased temperatures in the Heater Bank and drum
area. Two (2) Temperature Limiters (Figure 4-5, Item 1) are affixed
to the Heater Bank and electrically interrupt the heating circuit
should the temperature exceed a preset threshold. The appliance
can no longer produce heat; as the Temperature Limiters are non-
resettable SOD (Single Operation Device) devices in accordance
with product approvals.
23

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This manual is also suitable for:

T1520T1526T1570cT1565cT 1576

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