Komatsu PC210-10 DEMOLITION BASE SPEC., Operation & Maintenance Manual, Page: 177 / 458

OPERATION EXPLANATION OF COMPONENTS
3–107
AUTO SWITCH
Auto Switch:ALL-K5V8-043K00A
With switch (5), the air flow, vents, and air source (FRESH/
RECIRC) are automatically selected according to the set tem-
perature.
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 switching from automatic operation to manual opera-
tion, it is possible to use the switches to select the air flow,
vents, and air source (FRESH/RECIRC).
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
FRESH?RECIRC Selector Switch:ALL-K5V9-043K00A
Switch (6) is used to switch the air source between recircula-
tion of the air inside the cab and intake of fresh air from the out-
side.
q
During automatic operation, the selection of inside air
(RECIRC) and outside air (FRESH) is performed automati-
cally.
DISPLAY MONITOR
DISPLAY MONITOR:PC220-K5VA-043K00A
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 temperature
setting (a) and air flow (b) goes out, and operation stops.
AIR CONDITIONER SWITCH
Air Conditioner Switch:ALL-K5FK-043K00A
Switch (8) is used to turn the air conditioner (cooling, dehumid-
ifying, heating) ON or OFF.
q
Press air conditioner switch (8) when the fan is operating
(when display (b) is shown on the display monitor). The air
conditioner is switched ON and starts to work. Press the
switch again to stop the air conditioner.
q
Air conditioner cannot be operated while the fan is off.
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.