to use the outdoor air for cooling whenever possible. the 50014157-001 temperature sensor is used to measure the outdoor air temperature. the internal temperature sensor measures the room temperature which is then compared with the setpoint. if the room temperature is lower than the setpoint, the air intake damper remains closed. if the room temperature is higher than the setpoint, the latter is then compared with the outdoor temperature. if the fresh air temperature is lower than the setpoint by more than