Auto Air Conditioner - Hitachi 120-3 class Operator's Manual

Hydraulic excavator
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AUTO AIR CONDITIONER

Distinctive Feature
Temperature Control:
Automatically controls the cab temperature to maintain
the temperature set by the temperature control switch
regardless of outside air temperature and insolation.
Max. Cooling and Heating:
Maximum cooling or heating can be obtained by mov-
ing the temperature control switch to the full right or left
respectively.
Preheating:
During preheating the cab in winter with the foot vent
selected, the air volume is reduced to Low until the cool-
ant temperature rises to prevent cool air from entering
the cab.
1- Front Vent
2- Foot Vent
3- Defroster Vent
4- Rear Vent
5- Control Panel
6- Blower Switch
7- Liquid-Cristal Display (LCD)
8- Air Conditioner Switch
9- AUTO Switch
10- OFF Switch
11- Temperature Control Switch
12- Circulation Mode Switch
13- Fresh Air Mode Switch
14- Mode Switch
NOTE: Except for the foot vent, all vents are provided with
louvers to adjust the air flow direction. In addition, the
louvers on the front vent and defroster vent can be
completely opened and closed by hand.
OPERATOR'S STATION
1-58
1
3
2
4
5
6
7
14
13
12
M1U1-01-025
M1U1-01-027
8
9
11
10
M178-01-073

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