Warming Plate Resistance - Siemens EH675TK11E Repair Instruction

3.14

Warming plate resistance

3.14.1 Operation
Description:
The warming plate is a resistance that provides a power of 90W at
230V. In order to reduce the power to 70W (this is a requirement for
our appliances), an ON/OFF control is applied. That means, the
warming plate is activated during 7.7 seconds and deactivated during
2.3 seconds. The next picture shows the warming plate time
operation.
206_58300000141095_ara_en_k.doc – 04.10.a
3.14.2 Tests
Performance:
To check the warming plate requirements, on a hotplate water is
heated up, afterwards the pot was placed on the warming plate and
test objective was, that the water temperature from 80ºC does not
drop lower than 75ºC during 30 minutes. The next graph shows the
results obtained
Seite 49 von 113