Volvo FM Handbook page 330

1 Turn off air conditioning. The lamp in the switch
lights when the air conditioning is turned off.
2 Temperature
3 Fan speed
4 Recirculation
5 Air distribution
6 Cab temperature sensor
Recirculation
Press recirculation to circulate the air within the cab.
The function is used to shut out poor air. The ECC
controls
the recirculation hatch automatically to improve the
cooling performance
Cab 319
2
1
The lamp in the button lights when
air recirculates in the cab.
Note!
Do not use recirculation with high
humidity, heavy rain, low outside
temperatures or if the parking heater
is running. It is necessary to draw in
new air and have the AC on to
prevent the windscreen from misting
up.
6
3
4
5
J200692
J200696