Komatsu WA600-8 Operation & Maintenance Manual page 331

OPERATION
Liquid crystal dis-
play
Defroster vent
Air blows out from the vents marked with ○.
AUTO SWITCH
Auto switch is used to switch the operation to the automatic op-
eration.
It changes the air flow and vents automatically according to the
set temperature and the ambient environment.
This switch is also used as the main switch of the air condition-
er.
• When AUTO switch is pressed, the automatic operation
symbol on the air conditioner display lights up to indicate
that the air conditioner is in the automatic mode.
• When each switches is operated, automatic operation
shifts to the manual operation, and the automatic operation
symbol on the air conditioner display goes out.
• When clearing the window mist at low temperature, use
the defroster switch.
REMARK
Do not leave the cab door open for a long time (3 minutes or
longer) while air conditioner is working.
The automatic operation of the air conditioner is controlled au-
tomatically according to the set temperature and the ambient
environment.
If the environment changed suddenly by leaving cab door open
for a long time, etc., the control of air conditioner may change
temporarily, but this is not a failure.
Even if the control changes, it returns automatically to control
the air according to the set temperature and the ambient envi-
ronment after certain period of time elapses.
FRESH/RECIRC AIR SELECTOR SWITCH
Use the FRESH/RECIRC air selector switch to switch the air
source between recirculation of the air inside the cab and in-
take of fresh air from the outside.
The air source is automatically switched between recirculation
of the air inside the cab and intake of fresh air from the outside
during the automatic operation.
RECIRC
Outside air is shut off and only air inside the cab is circulated.
Use this setting to perform rapid cooling of the cab or when
outside air is dirty.
Air vent mode
Vent
(A) (B) (C) (D)
HANDLE AIR CONDITIONER
Remarks
This is not selectable during
the automatic operation
○
(This can be selected only
when the defroster switch is
pressed.)
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