2-46 Operating Controls
022-00028AE Operation and Maintenance Manual
MEMORY FUNCTION OF USED MODE
The air conditioner panel has a memory function. When the starter switch is turned "OFF" the settings for
the panel will be stored. When the excavator is started, the last setting will be used.
ADDITIONAL OPERATING INSTRUCTION
A proper indoor temperature in summer is 5 - 6° C (10 - 12°F) less than the outdoor temperature.
Operate the air conditioner from 20 - 30 minutes a week to circulate the refrigerant in the system.
NOTE:
The blower switch should be on "LO" speed.
NOTE:
The filter should be cleaned out every 500 hours and replaced with a new one every 1,000
hours.
NOTE:
In the event that the unit is being operated in a dusty environment, the cleaning and
replacement should be performed more frequently.
If operating the air conditioner or heater for a long time, operate the ventilation switch, and when smoking,
vent the air to the outside to prevent irritation to eyes.