Komatsu PC800-8 Operation & Maintenance Manual page 121

Hydraulic excavator
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OPERATION
2. Use temperature set switch (3) to set to the desired tem-
perature. The air flow, combination of vents, and selection
of fresh or recirculated air is automatically selected accord-
ing to the set temperature, and the air conditioner is oper-
ated automatically to provide the set temperature.
REMARK
When vent display monitor (c) displays (d) or (e), and engine
coolant temperature is low, the air flow is automatically limited
to prevent cold air from blowing out.
Stopping Automatic Operation
Press OFF switch (1). The displays for temperature setting (a)
and air flow (b) on monitor (7), and lamps above auto switch (5)
and air conditioner switch (8) go out, the operation stops.
DETAILED CONTROLS AND GAUGES
3-57

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