Cab Heater And Air Conditioner - Worldwide Construction And Forestry Division 380GLC Operator's Manual

Cab Heater and Air Conditioner

CAB HEATER OPERATION
AUTO Operation
1. Press blower speed switch (1) while air conditioner
is OFF to set blower speed to AUTO mode (blower
speed setting and air flow setting are then selected
automatically).
2. Rotate temperature control/mode switch (2) to
reach operator's preferred cab degree heat setting.
Temperature setting will change on the air conditioner
display on the monitor as the switch is rotated either
way. Blower speed and air flow settings adjust
automatically to reach and maintain desired cab
temperature.
Manual Operation
1. Press blower speed switch (1) while air conditioner
is OFF to set blower speed to AUTO mode. Rotate
blower speed switch either way to cancel AUTO mode
and set the blower speed manually to desired speed
setting.
2. Rotate temperature control/mode switch (2) to
reach operator's preferred cab degree heat setting.
Temperature setting will change on the air conditioner
display on the monitor as the switch is rotated either
way.
3. Press temperature control/mode switch to toggle
between different air vent options. The air conditioner
display on the monitor will show the different settings
each time the switch is pressed. There are four
different settings:
- Air flows out of front vent and the defroster vents.
- Air flows out of front, rear, and the defroster vents.
- Air flows out of front, rear, foot, and the defroster
vents.
- Air flows out of foot vents.
NOTE: Usually the cab heater turns the dehumidifier
function off. Dehumidifier function can be turned
on from monitor menu. See Main Menu—Air
Conditioner. (Section 2-2.)
Defroster Operation
1. Press blower speed switch (1) while air conditioner is
OFF to set blower speed to AUTO mode. During cold
weather season when starting the engine, the engine
coolant temperature and air temperature in the cab
are low. The air conditioner and heater unit controls
the blow rate to the minimum in order to restrict cool
air from flowing into the cab.
2. Rotate temperature control/mode switch (2) to
reach operator's preferred cab degree heat setting.
Temperature setting will change on the air conditioner
display on the monitor as the switch is rotated either
way.
3. Set the circulation mode to fresh air using the monitor
menu. See Main Menu—Air Conditioner. (Section 2-2.)
4. Once AUTO mode is operating and cab starts to heat
up, press temperature control/mode switch to cancel
Operation—Operator's Station
1— Blower Speed Switch
AUTO mode and toggle between different air vent
options. The air conditioner display on the monitor
will show the different settings each time the switch is
pressed. For best defrosting results, select either:
- Air flows out of front vent and the defroster vents.
- Air flows out of front, rear, and the defroster vents.
5. Control air flow direction by adjusting the vents in the
cab to blow towards the windows.
6. Rotate temperature control/mode switch as needed to
control preferred air temperature.
7. Rotate blower speed switch as needed to set preferred
fan speed.
Air Conditioner Operation
NOTE: During off season, operate the air conditioner at
least once a month for several minutes with the
engine running at slow idle to protect each part of
the air conditioner compressor from lack of lubricant.
AUTO Operation
1. Press blower speed switch (1) while air conditioner is
OFF to set blower speed to AUTO mode (blower speed
setting and air flow setting are selected automatically).
2. Rotate temperature control/mode switch (2) to reach
operator's preferred cab degree cold air setting.
Temperature setting will change on the air conditioner
display on the monitor as the switch is rotated either
way. Blower speed and air flow settings adjust
automatically to reach and maintain desired cab
temperature.
Manual Operation
Continued on next page
2-1-9
Cab Heater and Air Conditioner Operation
2— Temperature Control/Mode
Switch
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092221
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