Air conditioning controls

Mixed air valve actuators. Mixing air valve using an electrically controlled actuator motor, according to the temperature set by the driver, the automatic control of the mixing air valve position to control the temperature of a certain vehicle. Some models use a vacuum motor, but the control is not precise enoughAir conditioning circuit When the driver when the set temperature of 22 ℃, while the inside temperature is lower than 22 ℃, the control system sends commands to the motor ECU, mixing air valve evaporator side channel and open the heat sink from the heating side to the channel , the interior temperature rises rapidly to 22 ℃,; when the driver setting temperature of 22 ℃, while the inside temperature is higher than 22 ℃, the control system sends commands to the motor ECU, the mixed air from the evaporator side Shaft Position Sensor  valve is opened to channel and close the heating heat sink side of the channel, and to high speed blower motor, the inside temperature decreased rapidly to 22 ℃.Analog valve actuators. Analog electronic electronic valve actuator motor control air valve position, thereby changing the air conditioning vent.Compressor control circuit Air conditioning compressor clutch. When the driver selects the A / C mode, the air conditioning system ECU the compressor clutch coil grounding, contact closure, the current through the coil clutch, the clutch combined with disk drive compressor rotation.Check the compressor clutch When the outside temperature is below the set temperature display returns rescheduling value, ECU work of the compressor clutch; Similarly, when Crankshaft Position Sensorshows the engine at full throttle or high speed, ECU work of the compressor clutch.