John Deere 450CLC Excavator — Cab Heater and Air Conditioner

Operation—Operator's Station Cab Heater and Air Conditioner 1. Blower OFF Switch: Press OFF switch to turn blower off. When blower OFF switch is pressed, all displays on the monitor display will disappear and the blower will stop in both the auto and manual modes. 1 3 4 2 5 6 2. Blower Fan Speed Switches: Press blower switches to select desired blower fan speed. Selected fan speed will be displayed on the bottom of the monitor display. T140130 —UN—20MAR01 3. Monitor Display: Displays blower fan speed, selected air vent, and temperature setting. 4. Temperature Control Switches: Press switches to set temperature. The temperature will be displayed on the center of the monitor display.

Press both and “v” switches at the same time and hold for 5 seconds to change the temperature mode (Centigrade—Fahrenheit). 9 8 7 1— Blower OFF Switch 2— Blower Fan Speed Switches 3— Monitor Display 4— Temperature Control Switches 5— Mode Switch (air flow to front and rear vents, and defroster vent) 6— AUTO A/C Switch 7— A/C Switch 8— Fresh Air Mode Switch 9— Recirculating Mode Switch 5. Mode Switch: Press to select desired air vent. Selected air vent is displayed on the top of the monitor display. 6. AUTO A/C Switch: Press AUTO switch to turn AUTO and A/C indicators on. Air flow-in temperature at the vent, blower speed, vent locations and fresh air port are automatically controlled.

Press AUTO switch again to turn off indicator light and select manual mode. Air flow-in temperature at the vent, blower speed, vent locations and fresh air port can be manually selected. Air Conditioner Operation 1. Press AUTO switch. The AUTO and A/C indicators will light, or press AUTO switch again and: 7. A/C Switch: Air conditioner will turn on when A/C switch is pressed and fan display of the blower switch is on. A/C indicator will also light. 2. Press temperature control switch to set temperature. 3. Press mode switch for desired vent air flow. 4. Press blower switch to select desired blower speed. 8. Fresh Air Mode Switch:

Press fresh air mode switch to open fresh air vent and route outside air into the cab. Indicator will also light. 5. Press fresh air mode switch to maintain the air vent in the fresh air circulation mode. 9. Recirculating Mode Switch: Press recirculating mode switch to close fresh air vent and circulate air already in cab. Indicator will also light. 6. Press recirculating mode switch to maintain the air suction port in the circulation mode. Cab Heater Operation 7. Press temperature control switches and blower switches to adjust cab temperature 1. Press AUTO switch , or press AUTO switch again and: Defroster Operation 1. Press AUTO switch.

Temperature controlled air blows out, or press AUTO switch again and: 2. Press temperature control switch to set temperature. 3. Press mode switch for desired vent air flow. 4. Press blower switch to select desired blower speed. 2. Press temperature control switch to set temperature. 5. Press fresh air mode switch to maintain the air vent in the fresh air circulation mode. 3. Press fresh air vent switch to select fresh air circulation mode. 4. Press mode switch to select the front vents or the front and rear vents. 6. Press recirculating mode switch to maintain the air suction port in the circulation mode. 5. Adjust the louvers on front vent and defroster vent to control air flow direction.

7. Press temperature control switches and blower switches to adjust cab temperature 6. Press temperature control switches and blower switches to adjust cab temperature. 7. Press A/C switch on if windows become clouded or if dehumidifying is required. TX14740,0001CEB -19-29JUN06-1/1 2-1-7 060313 PN=35 OFF DENSO FULL AUTO AIRCONDITIONER TEMP MODE AUTO A/C