Cooling Operation - Hitachi ZW 550-6 Operator's Manual

Cooling Operation

1. AUTO switch (7):
Press AUTO switch (7) to set the air conditioner AUTO
mode. According to signals sent from various sensors,
the air conditioner amplifier automatically selects
the air flow-in vents, air suction ports, and air flow-
in temperature at the vent, and controls the blower
speed.
2. Temperature Control Switch (3):
Adjust the temperature in the cab by using
temperature control switch (3).
3. Other Functions and Operations
 Operate Mode switch (3) to manually select the air
vent.
 Operate blower switch (7) to manually control the
blower speed.
 Operate circulation/fresh air switch (5) to maintain the
air vent in the fresh air mode or circulation mode.
OPERATOR'S STATION
1-120
7
5
3
MNEC-01-006