Optimized Idle User Manual THERMOSTAT OPERATION The optional thermostat is used to determine if the interior needs heating or cooling. Figure 1 shows the thermostat and icons. BASIC BUTTON FUNCTION Button names and symbols printed on the front of the thermostat module are for the primary functions. If any of the system parameters are changed, values are saved when is pressed or when the display automatically returns to the main screen. The display will then show the cab/sleeper temperature. or Table 1. Figure 1. Optimized Idle Buttons and Icons All information subject to change without notice. 11 DDC-SVC-MAN-0019 Copyright © 2016 DETROIT DIESEL CORPORATION Up button:
Increases the set point, comfort zone, password, and continuous run limits. Down button: Decreases the set point, comfort zone, password, and continuous run limits. Cool/Heat button: Selects either heating or cooling operation. This must match the setting of the tractor heating/air conditioning controls. It will also return the user to the main display when pressed. Mode button: Scrolls through the various functions and can be used to set desired values.