ADAPTER 4510427 - Caterpillar

Power On/Off Switch (4) - If the climate control system is on, pushing this switch will turn off the system. The fan will turn off also.
Automatic Control Switch (5) - This switch will start the climate control system. In order to enter automatic mode, push this switch. The speed of the fan and the temperature of the air are controlled automatically. The selectable range is from 21°C (70°F) to 29°C (85°F). The climate control system will restart in the previous state of operation.
The preset temperature is an approximate value.
Automatic control of the fan can be overridden.
This switch will start the automatic control system only.
Temperature Control Switches (6) - Push the switch with the right arrow in order to increase the temperature setpoint. Push the switch with the left arrow in order to decrease the temperature setpoint. The display will have one indicator or two indicators illuminated. Refer to Table 1 for additional information.
Maximum cooling is selected when both indicators on the left side of the display are illuminated. Continue to push the switch with the left arrow until maximum cooling is selected. Refer to Table 1 for additional information.
Maximum heating is selected when both indicators on the right side of the display are illuminated. Continue to push the switch with the right arrow until maximum heating is selected. Refer to Table 1 for additional information.
When either switch is pushed quickly, the temperature setpoint will change by 1.8 °C (3.2 °F).
When either switch is depressed continuously, the temperature setpoint will change 1.0 °C (1.8 °F) per 0.3 second.
Table 1
Set Temperature     Indicators for the Temperature Setting (1)    
Maximum Cooling     x     x                            
21°C     x                                
22°C         x                            
23°C             x                        
24°C                 x                    
25°C                 x     x                
26°C                     x                
27°C                         x            
28°C                             x        
29°C                                 x    
Maximum Heat                             x     x    
( 1 ) X indicates that the Led is illuminated.
Blower Fan Switches (7) - The switches directly control the blower fan speed. If the climate control system is in the