Komatsu PC2000-8 BACKHOE, Руководство по эксплуатации и техническому обслуживанию, Страница: 184 / 504

DETAILED CONTROLS AND GAUGES
OPERATION
3-118
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
Use this switch (5) to select circulation of the air inside the cab
or intake of fresh air from the outside.
q
When RECIRC button (A) or FRESH button (B) is pressed,
lamp (C) above the switch lights up to indicate the source
of the air flow.
q
During automatic operation, the selection of inside air
(RECIRC) and outside air (FRESH) is performed automati-
cally.
Display Monitor
Display monitor (6) shows temperature setting (a), air flow (b),
and vent selection (c).
q
When OFF switch (1) is pressed, the display of tempera-
ture setting (a) and air flow (b) goes out, and operation
stops.
Air Conditioner Switch
Use this switch (7) to start or stop the air conditioner (cooling,
dehumidifying/heating).
q
If air conditioner switch (7) is pressed when the fan is run-
ning (when display (b) is being shown on the display moni-
tor), the air conditioner is switched ON, the lamp above the
air conditioner switch lights up, and the air conditioner
starts. If it is pressed again, the air conditioner is switched
OFF and the lamp above the air conditioner switch goes
out.
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.