Specified and substitute values of temperature sensor

Data on working range and substitute value in event of cutout or K bus fault.

Temperature sensor

Working range

Substitute value

Heat exchange sensor

10 °C ... 95 °C

55 °C

Evaporator sensor

-10 °C ... 30 °C

0 °C

Footwell sensor (inner)

10 °C ... 61 °C

25 °C

Exterior temperature value

K-bus

0 °C

Latent heat accumulator

0 °C ... 100 °C

25 °C

Specified temperature

approx. 16 °C ... approx. 30 °C

24 °C

Resistance values at an ambient temperature of 25 °C and fault limits.

Temperature sensor

Resistor R25

Fault limit

Heat exchange sensor

10 kOhms +/- 5%

Temperature > 126 °C or temperature =< 45 °C

Evaporator sensor

1500 Ohm +/- 2%

Temperature > 101 °C or temperature =< -46 °C

Footwell sensor (inner)

10 kOhms +/- 5%

Temperature > 123 °C or temperature =< -47 °C

Latent heat accumulator

 

Temperature > 137 °C or temperature =< 44 °C