Kubota KX080-4 Workshop Manual page 447

KX080-4, WSM
Fin Thermistor (for frost control)
[Function]
Senses the temperature of the fins of the evaporator
and when they are too cold, it stops the compressor and
prevents frost from forming before it happens.
[How it Works]
The sensor of the fin thermistor senses the
evaporator's fin temperature and if the resistance inside
the sensor exceeds the thermo-amp resistance setting,
its internal circuit shuts off the power to the compressor
clutch.
Rated Voltage DC12 V
Measurement
DC13 ±0.2 V at 25 ± 5 °C (77 ± 9 °F)
Conditions
OFF R1
Temperature
ON R2
Detection
Hysteresis
Temperature
–30 to 80 °C (–22 to 176 °F)
Range
Voltage Range DC10 to 16 V
Operating Voltage
DC8 to 16 V (at 25 °C, 77 °F)
Range
Temperature 10 °C
Detection / 50 °F
2.96
Resistance Value
(1) Fin Thermistor
(2) Thermo-Amp
Hot Water Valve
The hot water valve is the valve that adjusts the
volume of engine coolant that flows into the heater core,
and this adjustment changes the temperature of the
heater core and thus controls the temperature of air
flowing through it.
(a) Open (MAX Hot)
(b) Closed (MAX Cool)
5-M10
Specifications
4383 ±131 Ω (2 °C, 36 °F)
(4095 Ω) (3.35 °C, 38 °F)
215 ±5.0 Ω (1 °C, 34 °F)
Usage Conditions
15 °C 20 °C 25 °C
/ 59 °F / 68 °F / 77 °F
2.34 1.87 1.50
kΩ kΩ kΩ kΩ
(a) Evaporator Fin
Temperature Detector
RY9212001CAM0015US0
(c) Inlet
(d) Outlet
RY9212001CAM0016US0
CABIN
30 °C
/ 86 °F
1.22
kΩ
KiSC issued 08, 2015 A