Fresh/Recirc Selector Switch - Komatsu WA380-6 Operation & Maintenance Manual

OPERATION
EXPLANATION OF COMPONENTS

FRESH/RECIRC SELECTOR SWITCH

Use this switch (5) to switch between recirculation of the air inside
the cab and intake of fresh air from outside.
When this switch is pressed, recirculation of inside air is selected
and (A) lights up on the display monitor.
If the switch is pressed again, intake of fresh air is selected and (B)
lights up on the display monitor.
Recirculation of air inside cab
Only the air inside the cab is circulated. Use this setting when
carrying out quick cooling or heating of the cab or when the outside
air is dirty.
Intake of fresh air from outside
Air from the outside is taken into the cab. Use this setting when
taking in fresh air from outside or when removing the mist from the
windows.
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