# GREE Binding

This binding integrates Air Conditioners that use the GREE protocol (GREE, Sinclair and others).

Note: The Air Conditioner must already be set-up on the WiFi network and must have a fixed IP Address.

# Supported Things

This binding supports one Thing type airconditioner.

# Discovery

Once the Air Conditioner is on the network (WiFi active) it could be discovered automatically. An IP broadcast message is sent and every responding unit gets added to the Inbox.

# Binding Configuration

No binding configuration is required.

# Thing Configuration

Channel Name	Type	Description
ipAddress	IP Address	IP address of the unit.
broadcastAddress	IP Address	Broadcast address being used for discovery, usually derived from the IP interface address.
refresh	Integer	Refresh interval in seconds for polling the device status.
currentTemperatureOffset	Decimal	Offset in Celsius for the current temperature value received from the device.
encryptionType	EncryptionTypes	Encryption type (ECB or GCM) used for communicating with the AC device

The Air Conditioner's IP address is mandatory, all other parameters are optional. If the broadcast is not set (default) it will be derived from openHAB's network setting (Check Network Settings in the openHAB UI). The binding tries to automatically detect the encryption type when communicating with the AC. If this fails, you might need need to set the encryption type manually. Only change this if you have a good reason to.

# Channels

The following channels are supported for fans:

Channel Name	Item Type	Description
power	Switch	Power on/off the Air Conditioner
mode	String	Sets the operating mode of the Air Conditioner
		Mode can be one of auto/cool/eco/dry/fan/heat or on/off
		Check the Air Conditioner's operating manual for supported modes.
temperature	Number:Temperature	Sets the desired room temperature.
currentTemperature	Number:Temperature	Displays the current room temperature (if supported by the unit, otherwise NaN).
air	Switch	Set on/off the Air Conditioner's Air function if applicable to the Air Conditioner model
dry	Switch	Set on/off the Air Conditioner's Dry function if applicable to the Air Conditioner model
health	Switch	Set on/off the Air Conditioner's Health function if applicable to the Air Conditioner model
turbo	Switch	Set on/off the Air Conditioner's Turbo Mode.
quiet	String	Set Quiet Mode: off/auto/quiet
swingUpDown	Number	Sets the vertical (up..down) swing action on the Air Conditioner,
		OFF: 0, Full Swing: 1, Up: 2, MidUp: 3, Mid: 4, Mid Down: 5, Down : 6
swingLeftRight	Number	Sets the horizontal (left..right) swing action on the Air Conditioner
		OFF: 0, Full Swing: 1, Left: 2, Mid Left: 3, Mid: 4, Mid Right: 5, Right : 6
windspeed	Number	Sets the fan speed on the Air conditioner Auto:0, Low:1, MidLow:2, Mid:3, MidHigh:4, High:5
		The number of speeds depends on the Air Conditioner model.
powersave	Switch	Set on/off the Air Conditioner's Power Saving function if applicable to the Air Conditioner model
light	Switch	Enable/disable the front display on the Air Conditioner if applicable to the Air Conditioner model
		Full Swing: 1, Up: 2, MidUp: 3, Mid: 4, Mid Down: 5, Down : 6

When changing mode, the air conditioner will be turned on unless "off" is selected.

# Full Example

# Things

Thing gree:airconditioner:a1234561 [ ipAddress="192.168.1.111", refresh=2, encryptionType="ECB" ]

# Items

Switch AirconPower                  { channel="gree:airconditioner:a1234561:power" }
String AirconMode                   { channel="gree:airconditioner:a1234561:mode" }
Switch AirconTurbo                  { channel="gree:airconditioner:a1234561:turbo" }
Switch AirconLight                  { channel="gree:airconditioner:a1234561:light" }
Number AirconTargetTemp "Target Temperature [%.1f °C]" {channel="gree:airconditioner:a1234561:temperature" }
Number AirconCurrentTemp "Current Temperature [%.1f °C]" {channel="gree:airconditioner:a1234561:currentTemperature" }
Number AirconSwingVertical          { channel="gree:airconditioner:a1234561:swingUpDown" }
Number AirconSwingHorizontal        { channel="gree:airconditioner:a1234561:swingLeftRight" }
Number AirconFanSpeed               { channel="gree:airconditioner:a1234561:windspeed" }
Switch AirconAir                    { channel="gree:airconditioner:a1234561:air" }
Switch AirconDry                    { channel="gree:airconditioner:a1234561:dry" }
Switch AirconHealth                 { channel="gree:airconditioner:a1234561:health" }
Switch AirconPowerSaving            { channel="gree:airconditioner:a1234561:powersave" }

# Sitemap

This is an example of how to set up your sitemap.

Frame label="Controls"
{
   Switch item=AirconMode label="Mode" mappings=["auto"="Auto", "cool"="Cool", "eco"="Eco", "dry"="Dry", "fan"="Fan", "turbo"="Turbo", "heat"="Heat", "on"="ON", "off"="OFF"]
   Setpoint item=AirconTargetTemp label="Set target temperature" icon=temperature minValue=16 maxValue=30 step=1
}
Frame label="Current Temperature"
{
   Text item=AirconCurrentTemp label="Current temperature [%.1f °C]" icon="temperature"
}
Frame label="Fan Speed"
{
   Switch item=AirconFanSpeed label="Fan Speed" mappings=[0="Auto", 1="Low", 2="Medium Low", 3="Medium", 4="Medium High", 5="High"] icon=fan
}
Frame label="Fan-Swing Direction"
{
   Switch item=AirconSwingVertical label="Direction V" mappings=[0="Off", 1="Full", 2="Up", 3="Mid-up", 4="Mid", 5="Mid-low", 6="Down"] icon=flow
   Switch item=AirconSwingHorizontal label="Direction H" mappings=[0="Off", 1="Full", 2="Left", 3="Mid-left", 4="Mid", 5="Mid-right", 6="Right"] icon=flow
}
Frame label="Options"
{
   Switch item=AirconTurbo label="Turbo" icon=fan
   Switch item=AirconLight label="Light" icon=light
   Switch item=AirconAir label="Air" icon=flow
   Switch item=AirconDry label="Dry" icon=rain
   Switch item=AirconHealth label="Health" icon=smiley
   Switch item=AirconPowerSaving label="Power Saving" icon=poweroutlet
}

# Example

This example shows how to make a GREE Air Conditioner controllable by Google HA (A/C mode + temperature)

# Items

Group Gree_Modechannel              "Gree"                { ga="Thermostat" } // allows mapping for Google Home Assistent
Switch   GreeAirConditioner_Power   "Aircon"              {channel="gree:airconditioner:a1234561:power", ga="Switch"}
String   GreeAirConditioner_Mode    "Aircon Mode"         {channel="gree:airconditioner:a1234561:mode", ga="thermostatMode"}
Number   GreeAirConditioner_Temp    "Aircon Temperature"  {channel="gree:airconditioner:a1234561:temperature}
Switch   GreeAirConditioner_Light   "Light"               {channel="gree:airconditioner:a1234561:light"}

# Rules

rule "Mode changed"
when
        Item GreeAirConditioner_Mode changed
then
        if(GreeAirConditioner_Mode.state == "cool" ) {
            logInfo("A/C", "Cooling has be turned on")
        }
end

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