Auto Air Conditioner; Features - Hitachi ZAXIS 120-6 class Operator's Manual

Hydraulic excavator
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Auto Air Conditioner

Features:

 Full Auto-Temperature Control:
Automatically controls the air temperature in the cab to
maintain the temperature set by the temperature control
switch regardless of outside air temperature and intensity of
the sun.
 Max. Cooling and Heating:
Maximum cooling or heating can be obtained by rotating
the temperature control switch clockwise (32 °C) or
counterclockwise (18 °C) respectively.
 Heater Start-Operation Control System:
In winter or in cold weather, when starting the engine, the
engine coolant is cool and air temperature inside the cab is
low. Until the coolant is warmed, when the front foot vent
and/or foot vent is selected, the air flow level is fixed to the
minimum setting and cool air is restricted from entering the
cab.
f
NOTE: Even in summer, the high idle speed may be higher
than the normal speed due to the above control system.
OPERATOR'S STATION
1-111

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