Control Specification SiENBE05-722_A44 Function and Control3.11 Electronic Expansion Valve ControlOutline The following items are included in the electronic expansion valve control.Electronic expansion valve is fully closed1. Electronic expansion valve is fully closed when turning on the power.2. Pressure equalizing controlOpen Control1. Electronic expansion valve control when starting operation2. Electronic expansion valve control when frequency changed3. Electronic expansion valve control for defrosting4. Electronic expansion valve control when the discharge pipe temperature is abnormally high5. Electronic expansion valve control when the discharge pipe thermistor is disconnectedFeedback Control1. Discharge pipe temperature controlDetail The followings are the examples of control which function in each mode by the electronicexpansion valve control.(R2833)××××××××××××××× Control when frequency changedControl for abnormally high dischargepipe temperatureOperation pattern : function× : not functionWhen power is turned ONCooling operationStopHeating operationStopStopHeating operationControl of discharge pipethermistor disconnectionFully closed when power is turned ONOpen control when startingPressure equalizing controlOpen control when startingPressure equalizing controlOpen control when startingContinuePressure equalizing control(Control of target discharge pipetemperature)(Control of target discharge pipetemperature)
