Inside the BRC4C158, there is a bank of 4 small DIP switches (SW1).
: Adjusts the airflow direction or sets it to oscillate automatically. Timer Functions daikin brc4c158 manual
Slide the front cover down completely; you may need to pull slightly harder at the end of the slide to reveal the battery compartment. Inside the BRC4C158, there is a bank of
Press and hold the and TIMER buttons simultaneously for 5 seconds. The “Key” icon will disappear. Press and hold the and TIMER buttons simultaneously
Beyond basic operation, the manual serves as a strategic guide to optimizing energy consumption. Modern HVAC systems are often vilified for high energy use, but the Daikin BRC4C158 includes features specifically designed to combat waste. The manual dedicates significant sections to programming weekly timers, using the "Economy" or "Schedule" functions, and understanding how the "Sensor" operation works. For instance, it explains how to set the controller to automatically raise the cooling setpoint or lower the heating setpoint during unoccupied hours, leading to substantial savings. Furthermore, it clarifies the difference between the "Fan" mode (which simply circulates air) and "Dry" mode (which dehumidifies without significant cooling). By following the manual’s advice on these settings, a user can tailor their system’s behavior to their actual occupancy patterns, rather than running the unit at full blast 24/7.