OPERATOR'S STATION Air Conditioner (A/C) Switch (8) Press A/C switch (8) to turn the air conditioner and the A/C indicator ON. However, unless the blower is running (the fan display of blower switch (6) is lit), the air conditioner will not be turned ON. 8 A/C Indicator OFF Switch (10) Press OFF switch (10) to turn the blower and the air condi- tioner OFF. 6 10 M178-01-075 AUTO Switch (9) Display when Air Conditiioner Switch (8) is pressed: Press AUTO switch (9) to turn the AUTO and the A/C indi- cators ON so that the air flow-in temperature at the vent, blower speed, vent locations, and fresh air suction port are automatically controlled.
9 AUTO Indicator M178-01-075 Display when AUTO Switch (9) is pressed: CAB HEATER OPERATION 1. Operate the AUTO switch. 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. 7 8 9 2. Operate Temperature Control Switch (11). Set temperature control switch (11) so that 25.0 is indi- cated on LCD (7). Control air temperature inside cab us- ing this switch as necessary. 3. As Necessary: • Operate Mode switch (14) to manually select the air vent. • Operate blower switch (6) to manually control the blower speed.
• Operate fresh air mode switch (13) to maintain the air vent in the fresh air circulation mode. • Operate circulation mode switch (12) to maintain the air suction port in the circulation mode. 11 12 13 14 6 M178-01-079 When the A/C indicator is ON, the air conditioner functions dehumidifier. Press A/C switch (8) to turn OFF the dehumidifier function. 1-62