Komatsu Galeo PC138US-8 Shop Manual page 256

SEN02552-01
Sensor
Sunlight sensor
Outline
The sunlight sensor is installed on top of the
q
machine monitor of the air duct.
It senses intensity of the sun light and sends
q
signals to the air conditioner controller. The
signal sent to the air conditioner controller is
used to control the blower motor and compres-
sor.
Output characteristics
12
10 Structure, function and maintenance standard
External air temperature sensor
Outline
The external air temperature sensor is installed
q
in the battery room at the rear left of the
machine.
It senses the external air temperature and
q
sends signals to the air conditioner controller.
The signal sent to the air conditioner controller
is used to control the compressor. As the
result, temperature of the air blown out of the
grill is adjusted depending on the volume of
refrigerant circulated in the evaporator.
PC138US, USLC-8