Komatsu Galeo PC800LC-8, Operation & Maintenance Manual, Page: 119 / 318

OPERATION
DETAILED CONTROLS AND GAUGES
3-55
Auto Switch
With switch (5), the air flow, vents, and air source (RECIRC/
FRESH) are automatically selected according to the set tem-
perature.
q
When auto switch (5) is pressed, the lamp above the auto
switch lights up.
q
Press switch (5), then use temperature control switch (3) to
set the temperature, and run the air conditioner under auto-
matic control.
q
When the control is switched from automatic operation to
manual operation, it is possible to operate the to change air
flow, vents, and air source (RECIRC/FRESH). When man-
ual control is used, lamp above the auto switch goes out.
REMARK
When Auto Mode is selected, if the set temperature is set to 18.0 °C or 32.0 °C, the air flow is always set to High,
but this is not a problem.
FRESH/RECIRC Selector Switch
Switch (6) is used to switch the air source between recircula-
tion of air inside the cab and intake of from the outside.
q
When switch (6) is pressed, the lamp above the selector
switch lights up to show that air is being blown out.
q
During automatic operation, the selection of inside air
(RECIRC) and outside air (FRESH) is performed automati-
cally.
Display Monitor
Monitor (7) displays the status of temperature setting (a), air
flow (b), and vents (c).
q
When OFF switch (1) is pressed, the display of tempera-
ture setting (a) and air flow (b) goes out, and operation
stops.
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.
FRESH Outside air is taten into the cab.
Use this setting to take in fresh air when performing demisting.