Doosan DX225LC, Manual, Page: 98 / 136

Electrical System
Page 97
SP000935
Relay - A/C:
Power is supplied to the magnetic clutch of the
compressor.
Duct Sensor:
It is inserted in the core of the evaporator to
prevent freezing of the evaporator.
The sensor consist of negative characteristic thermistor that
resistant value increases and decreases when the temperature
rises and falls, respectively.
Water Temperature Sensor:
It senses the temperature of
coolant water in the heater core.
FG001058
L S1
(+)
(-)
S2 B
Figure 82
Specifications
Rated voltage 24V
Rated current 10A
Figure 83
Temperature (°C) Resistance (K
:
)
0 11.36 ± 0.1
2 10.39 ± 0.2
2.5 10.17 ± 0.2
3 9.95 ± 0.2
3.5 9.73 ± 0.2
4 9.52 ± 0.2
5 9.12 ± 0.2
10 7.36 ± 0.15
25 4.02 ± 0.08
30 3.33 ± 0.07
Figure 84
Temperature (°C) Resistance (K
:
)
-10 55.8 ± 1.7
0 32.9 ± 0.9
15 15.76 ± 0.5
25 10.0 ± 0.3
35 6.5 ± 0.2