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298 lines
38 KiB
Markdown
298 lines
38 KiB
Markdown
# ComfoAir Binding
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This binding allows to monitor and control Zehnder ComfoAir serial controlled ventilation systems via RS232 serial connection.
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Though the binding is developed based on the protocol description for Zehnder ComfoAir devices it should also work for mostly identical systems from different manufacturers, like StorkAir WHR930, Wernig G90-380 and Paul Santos 370 DC.
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It was also successfully tested on a Wernig G90-160.
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### Limitations
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* Either the ComfoAir binding or the CCEase Comfocontrol can be active, but not together.
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* You must implement auto mode by yourself with rules, but it is more powerful.
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### Prerequisites
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Computer communication between ComfoAir device and openHAB via RS232 connection has to be set up.
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The connection should be made with a 3-wire cable connecting pins: GND, TX, RX of RS232 sockets, but RX and TX pins should be crossed (TX of ComfoAir to RX of PC, RX of ComfoAir to TX of PC).
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### Serial Port Access Rights
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* Take care that the user that runs openHAB has rights to access the serial port
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* On Ubuntu/Debian based systems (incl. openHABian) that usually means adding the user (e.g. openhab) to the group "dialout", i.e.
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```
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sudo usermod -a -G dialout openhab
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```
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## Supported Things
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Only a single generic thing type is supported by the binding:
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|Thing Type ID |Description |
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|--------------|---------------------------------------------------------------------|
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|comfoair |A ComfoAir ventilation system connected via RS232 serial connection. |
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## Discovery
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Discovery is not supported.
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## Thing Configuration
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For the thing creation, the appropriate serial port has to be set.
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|Parameter |Values |Default |
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|---------------|-----------------------------------------|---------------|
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|serialPort |`/dev/ttyUSB0`, `COM1`, etc. |- |
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|refreshInterval|Refresh interval in seconds (10...65535) |60 |
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## Channels
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The ComfoAir binding supports the following channels.
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| Channel ID | Item Type | Label | Description | Read Only | Advanced |
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|------------------------------------|--------------------------|---------------------------------|---------------------------------------------------------------------------------------------|-----------|----------|
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| **Binding Control** | | | | | |
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| bindingControl#activate | Switch | Activate Binding Control | Activate (control through openHAB) or deactivate (return control to CCEase) binding control | false | no |
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| **Ventilation Values** | | | | | |
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| ventilation#fanLevel | Number | Fan Level | Fan level | false | no |
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| ventilation#fanOut0 | Number | Fan Out Level 0 (away) | Fan level 0 performance (%) of outgoing fan | false | yes |
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| ventilation#fanOut1 | Number | Fan Out Level 1 | Fan level 1 performance (%) of outgoing fan | false | yes |
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| ventilation#fanOut2 | Number | Fan Out Level 2 | Fan level 2 performance (%) of outgoing fan | false | yes |
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| ventilation#fanOut3 | Number | Fan Out Level 3 | Fan level 3 performance (%) of outgoing fan | false | yes |
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| ventilation#fanIn0 | Number | Fan In Level 0 (away) | Fan level 0 performance (%) of incoming fan | false | yes |
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| ventilation#fanIn1 | Number | Fan In Level 1 | Fan level 1 performance (%) of incoming fan | false | yes |
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| ventilation#fanIn2 | Number | Fan In Level 2 | Fan level 2 performance (%) of incoming fan | false | yes |
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| ventilation#fanIn3 | Number | Fan In Level 3 | Fan level 3 performance (%) of incoming fan | false | yes |
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| ventilation#fanInPercent | Number | Fan In (%) | Current relative speed (%) of incoming fan | false | yes |
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| ventilation#fanOutPercent | Number | Fan Out (%) | Current relative speed (%) of outgoing fan | true | yes |
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| ventilation#fanInRPM | Number | Fan In (rpm) | Current absolute speed (rpm) of incoming fan | true | yes |
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| ventilation#fanOutRPM | Number | Fan Out (rpm) | Current absolute speed (rpm) of outgoing fan | true | yes |
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| **Temperature Values** | | | | | |
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| temperatures#targetTemperature | Number:Temperature | Target Temperature | Target (comfort) temperature | false | no |
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| temperatures#outdoorTemperatureIn | Number:Temperature | Outdoor Temperature Incoming | Intake air temperature (outside) | true | yes |
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| temperatures#outdoorTemperatureOut | Number:Temperature | Outdoor Temperature Outgoing | Outlet air temperature (outside) | true | yes |
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| temperatures#indoorTemperatureIn | Number:Temperature | Indoor Temperature Incoming | Inlet air temperature (inside) | true | yes |
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| temperatures#indoorTemperatureOut | Number:Temperature | Indoor Temperature Outgoing | Uptake air temperature (inside) | true | yes |
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| temperatures#isT1Sensor | Switch | Sensor T1 Available | Availability of temperature sensor T1 (outdoor in) | true | yes |
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| temperatures#isT2Sensor | Switch | Sensor T2 Available | Availability of temperature sensor T2 (indoor in) | true | yes |
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| temperatures#isT3Sensor | Switch | Sensor T3 Available | Availability of temperature sensor T3 (indoor out) | true | yes |
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| temperatures#isT4Sensor | Switch | Sensor T4 Available | Availability of temperature sensor T4 (outdoor out) | true | yes |
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| temperatures#isEWTSensor | Switch | GHX Sensor Available | Availability of geothermal heat exchanger temperature sensor | true | yes |
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| temperatures#isHeaterSensor | Switch | Heater Sensor Available | Availability of heater temperature sensor | true | yes |
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| temperatures#isCookerhoodSensor | Switch | Cookerhood Sensor Available | Availability of cookerhood temperature sensor | true | yes |
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| temperatures#ewtTemperature | Number:Temperature | GHX Temperature | Temperature of geothermal heat exchanger sensor | true | yes |
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| temperatures#heaterTemperature | Number:Temperature | Heater Temperature | Temperature of heater sensor | true | yes |
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| temperatures#cookerhoodTemperature | Number:Temperature | Cookerhood Temperature | Temperature of cookerhood sensor | true | yes |
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| **Uptimes** | | | | | |
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| times#level0Time | Number:Time | Level 0 duration | Uptime at level 0 (away) | true | yes |
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| times#level1Time | Number:Time | Level 1 duration | Uptime at level 1 | true | yes |
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| times#level2Time | Number:Time | Level 2 duration | Uptime at level 2 | true | yes |
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| times#level3Time | Number:Time | Level 3 duration | Uptime at level 3 | true | yes |
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| times#freezeTime | Number:Time | Antifrost Duration | Uptime of antifrost | true | yes |
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| times#preheaterTime | Number:Time | Preheater Duration | Uptime of preheater | true | yes |
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| times#bypassTime | Number:Time | Bypass Duration | Hours of bypass open | true | yes |
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| times#filterHours | Number:Time | Filter Duration | Uptime of the filter | true | no |
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| **Menu P1: Control States** | | | | | |
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| menuP1#menu20Mode | Switch | Menu 20 Mode (P10) | State of menu 20 mode (P10) | true | yes |
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| menuP1#menu21Mode | Switch | Menu 21 Mode (P11) | State of menu 21 mode (P11) | true | yes |
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| menuP1#menu22Mode | Switch | Menu 22 Mode (P12) | State of menu 22 mode (P12) | true | yes |
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| menuP1#menu23Mode | Switch | Menu 23 Mode (P13) | State of menu 23 mode (P13) | true | yes |
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| menuP1#menu24Mode | Switch | Menu 24 Mode (P14) | State of menu 24 mode (P14) | true | yes |
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| menuP1#menu25Mode | Switch | Menu 25 Mode (P15) | State of menu 25 mode (P15) | true | yes |
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| menuP1#menu26Mode | Switch | Menu 26 Mode (P16) | State of menu 26 mode (P16) | true | yes |
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| menuP1#menu27Mode | Switch | Menu 27 Mode (P17) | State of menu 27 mode (P17) | true | yes |
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| menuP1#menu28Mode | Switch | Menu 28 Mode (P18) | State of menu 28 mode (P18) | true | yes |
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| menuP1#menu29Mode | Switch | Menu 29 Mode (P19) | State of menu 29 mode (P19) | true | yes |
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| **Menu P2: Delay Settings** | | | | | |
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| menuP2#bathroomStartDelay | Number | Menu P21 | Start delay for bathroom switch (min) | false | yes |
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| menuP2#bathroomEndDelay | Number | Menu P22 | End delay for bathroom switch (min) | false | yes |
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| menuP2#L1EndDelay | Number | Menu P23 | End delay for L1 switch (min) | false | yes |
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| menuP2#pulseVentilation | Number | Menu P27 | Period for pulse ventilation (min) | false | yes |
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| menuP2#filterWeeks | Number | Menu P24 | Usage period until filter pollution message (weeks) | false | yes |
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| menuP2#RFShortDelay | Number | Menu P25 | End delay (RF short actuation) for ventilation level 3 (min) | false | yes |
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| menuP2#RFLongDelay | Number | Menu P26 | End delay (RF long actuation) for ventilation level 3 (min) | false | yes |
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| menuP2#cookerhoodDelay | Number | Menu P20 | End delay for cooker hood control (min) | false | yes |
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| **Menu P9: Option States** | | | | | |
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| menuP9#chimneyState | Switch | Chimney Control State | State of the chimney control | true | yes |
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| menuP9#bypassState | Switch | Bypass State | State of the bypass (ON = open / OFF = closed) | true | yes |
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| menuP9#ewtState | Switch | GHX State | State of the geothermal heat exchanger valve (ON = open / OFF = closed) | true | yes |
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| menuP9#heaterState | Switch | Heater State | State of the heater | true | yes |
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| menuP9#vControlState | Switch | 0-10V Control State | State of the 0-10V control | true | yes |
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| menuP9#frostState | Switch | Antifrost State | State of the antifrost control | true | yes |
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| menuP9#cookerhoodState | Switch | Cookerhood State | State of the cookerhood control | true | yes |
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| menuP9#enthalpyState | Switch | Enthalpy State | State of the enthalpy module | true | yes |
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| **Error States** | | | | | |
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| errors#filterError | Switch | Filter Error | Filter full | true | no |
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| errors#errorsCurrent | String | Errors Current | Current errors | true | no |
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| errors#errorsLast | String | Errors Last | Last errors | true | yes |
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| errors#errorsPrelast | String | Errors Prelast | Prelast errors | true | yes |
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| errors#errorsPrePrelast | String | Errors Pre-Prelast | Pre-Prelast errors | true | yes |
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| **Bypass Values** | | | | | |
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| bypass#bypassFactor | Number | Bypass Factor | Bypass factor value | true | yes |
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| bypass#bypassLevel | Number | Bypass Level | Bypass level state | true | yes |
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| bypass#bypassCorrection | Number | Bypass Correction | Bypass correction state | true | yes |
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| bypass#bypassSummer | Switch | Bypass Summer Mode | Bypass summer mode | true | yes |
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| **Preheater Values** | | | | | |
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| preheater#preheaterValve | Number | Preheater Valve | State of the preheater valve | true | yes |
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| preheater#preheaterFrostProtect | Switch | Frost Protection | State of the frost protection | true | yes |
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| preheater#preheaterHeating | Switch | Preheater | State of the preheater | true | yes |
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| preheater#preheaterFrostTime | Number | Preheater Frost Time | Frost minutes | true | yes |
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| preheater#preheaterSafety | Number | Preheater Frost Safety | Frost safety setting | true | yes |
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| **GHX Values** | | | | | |
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| ewt#ewtTemperatureLow | Number:Temperature | GHX Temperature (low) | Lower temperature of the geothermal heat exchanger | true | yes |
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| ewt#ewtTemperatureHigh | Number:Temperature | GHX Temperature (high) | Upper temperature of the geothermal heat exchanger | true | yes |
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| ewt#ewtSpeed | Number | GHX Speed Up (%) | Speed up of the geothermal heat exchanger | true | yes |
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| **Heater Values** | | | | | |
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| heater#heaterPower | Number | Heater Power | Heater power value | true | yes |
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| heater#heaterPowerI | Number | Heater Power I-parameter | Heater power I-parameter value | true | yes |
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| heater#heaterTargetTemperature | Number:Temperature | Heater Target Temperature | Target temperature of the heater | true | yes |
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| **Cookerhood Values** | | | | | |
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| cookerhood#cookerhoodSpeed | Number | Cookerhood Speed Up (%) | Speed up of the cookerhood | true | yes |
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| **Enthalpy Values** | | | | | |
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| enthalpy#enthalpyTemperature | Number:Temperature | Enthalpy Sensor Temperature | Temperature of the enthalpy sensor | true | yes |
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| enthalpy#enthalpyHumidity | Number | Enthalpy Sensor Humidity | Humidity of the enthalpy sensor | true | yes |
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| enthalpy#enthalpyLevel | Number | Enthalpy Sensor Level | Level of the enthalpy sensor | true | yes |
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| enthalpy#enthalpyTime | Number | Enthalpy Sensor Timer | Timer state of the enthalpy sensor | true | yes |
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| **Option Settings** | | | | | |
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| options#isPreheater | Switch | Preheater | Preheater option installed | true | yes |
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| options#isBypass | Switch | Bypass | Bypass option installed | true | yes |
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| options#recuType | Number | ComfoAir Type | Type of the ComfoAir (1 = left / 2 = right) | true | yes |
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| options#recuSize | Number | ComfoAir Size | Size of the ComfoAir (1 = big / 2 = small) | true | yes |
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| options#isChimney | Switch | Chimney | Chimney option installed | true | yes |
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| options#isCookerhood | Switch | Cookerhood | Cookerhood option installed | true | yes |
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| options#isHeater | Switch | Heater | Heater option installed | true | yes |
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| options#isEnthalpy | Number | Enthalpy | Enthalpy option installed | true | yes |
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| options#isEWT | Number | Geothermal Heat Exchanger | Geothermal heat exchanger option installed | true | yes |
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| options#analogPriority | Number | Analog Priority | Priority of analog inputs for highest fan level | true | yes |
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| **Inputs** | | | | | |
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| inputs#isL1Switch | Switch | L1 Switch | Availability of L1 step switch | true | yes |
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| inputs#isL2Switch | Switch | L2 Switch | Availability of L2 step switch | true | yes |
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| inputs#isBathroomSwitch | Switch | Bathroom Switch | Availability of bathroom switch | true | yes |
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| inputs#isCookerhoodSwitch | Switch | Cookerhood Switch | Availability of cookerhood switch | true | yes |
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| inputs#isExternalFilter | Switch | External Filter | Availability of external filter | true | yes |
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| inputs#isWTW | Switch | Heat Recovery | Availability of heat recovery (WTW) | true | yes |
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| inputs#isBathroom2Switch | Switch | Bathroom Switch 2 | Availability of bathroom switch 2 (luxe) | true | yes |
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| **Resets** | | | | | |
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| resets#filterReset | Number | Filter Reset | Reset filter uptime | false | no |
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| resets#errorReset | Number | Error Reset | Reset errors | false | no |
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| **Analog Inputs [1-4]** | | | | | |
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| analog[1-4]#isAnalog | Switch | Analog Input Availability | Availability of analog input [1-4] | false | yes |
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| analog[1-4]#analogMode | Switch | Analog Input State | State of analog input [1-4] | false | yes |
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| analog[1-4]#analogNegative | Switch | Analog Input Postive/Negative | Postive/Negative state of analog input [1-4] | false | yes |
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| analog[1-4]#analogVolt | Number:ElectricPotential | Analog Input Voltage Level | Voltage level of analog input [1-4] | false | yes |
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| analog[1-4]#analogMin | Number | Analog Input Min | Minimum setting for analog input [1-4] | false | yes |
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| analog[1-4]#analogMax | Number | Analog Input Max | Maximum setting for analog input [1-4] | false | yes |
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| analog[1-4]#analogValue | Number | Analog Input Target | Target setting for analog input [1-4] | false | yes |
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| **RF Input** | | | | | |
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| analogRF#isRF | Switch | RF Input Availability | Availability of RF input | false | yes |
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| analogRF#RFMode | Switch | RF Input State | State of RF input | false | yes |
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| analogRF#RFNegative | Switch | RF Input Postive/Negative | Postive/Negative state of RF input | false | yes |
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| analogRF#RFMin | Number | RF Input Min | Minimum setting for RF input | false | yes |
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| analogRF#RFMax | Number | RF Input Max | Maximum setting for RF input | false | yes |
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| analogRF#RFValue | Number | RF Input Target | Target setting for RF input | false | yes |
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| analogRF#analogPriority | Number | Analog Priority | Priority of control | false | yes |
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## Full Example
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`.things` file:
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```
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Thing comfoair:comfoair:myComfoAir "ComfoAir" [serialPort="/dev/ttyUSB0", refreshInterval="60"]
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```
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`.items` file:
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```
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Switch comfoairControl "Activate" <computer> (ComfoAir) {channel="comfoair:comfoair:myComfoAir:bindingControl#activate"}
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Number comfoairFanLevel "Ventilation level [%d]" <chart> (ComfoAir) {channel="comfoair:comfoair:myComfoAir:ventilation#fanLevel"}
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Number comfoairErrorReset "Error reset" <service> (ComfoAir) {channel="comfoair:comfoair:myComfoAir:resets#errorReset"}
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Number comfoairFilterReset "Filter reset" <service> (ComfoAir) {channel="comfoair:comfoair:myComfoAir:resets#filterReset"}
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Number comfoairFilterPeriod "Filter period [%d weeks]" <clock> (ComfoAir) {channel="comfoair:comfoair:myComfoAir:menuP2#filterWeeks"}
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// Messages
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String comfoairError "Error: [%s]" (ComfoAir) {channel="comfoair:comfoair:myComfoAir:errors#errorsCurrent"}
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Number:Time comfoairFilterRuntime "Filter runtime [%.0f h]" (ComfoAir) {channel="comfoair:comfoair:myComfoAir:times#filterHours"}
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// State
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Number:Temperature comfoairTargetTemperature "Comfort temperature [%.1f °C]" <temperature> (ComfoAir) {channel="comfoair:comfoair:myComfoAir:temperatures#targetTemperature"}
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Number:Temperature comfoairOutdoorIncomingTemperature "Inlet air temperature [%.1f °C]" <temperature> (ComfoAir, comfoairTemps_Chart) {channel="comfoair:comfoair:myComfoAir:temperatures#outdoorTemperatureIn"}
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Number:Temperature comfoairIndoorIncomingTemperature "Supply air temperature [%.1f °C]" <temperature> (ComfoAir, comfoairTemps_Chart) {channel="comfoair:comfoair:myComfoAir:temperatures#indoorTemperatureIn"}
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Number:Temperature comfoairIndoorOutgoingTemperature "Return air temperature [%.1f °C]" <temperature> (ComfoAir, comfoairTemps_Chart) {channel="comfoair:comfoair:myComfoAir:temperatures#indoorTemperatureOut"}
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Number:Temperature comfoairOutdoorOutgoingTemperature "Exhaust air temperature [%.1f °C]" <temperature> (ComfoAir, comfoairTemps_Chart) {channel="comfoair:comfoair:myComfoAir:temperatures#outdoorTemperatureOut"}
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Number comfoairIncomingFan "Supply capacity [%d %%]" <fan_in> (ComfoAir) {channel="comfoair:comfoair:myComfoAir:ventilation#fanInPercent"}
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Number comfoairOutgoingFan "Exhaust capacity [%d %%]" <fan_out> (ComfoAir) {channel="comfoair:comfoair:myComfoAir:ventilation#fanOutPercent"}
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Number comfoairFanIn0 "Supply capacity - level 0 [%d %%]" <fan_in> (ComfoAir) {channel="comfoair:comfoair:myComfoAir:ventilation#fanIn0"}
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Number comfoairFanOut0 "Exhaust capacity - level 0 [%d %%]" <fan_out> (ComfoAir) {channel="comfoair:comfoair:myComfoAir:ventilation#fanOut0"}
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Switch comfoairBypassMode "Bypass [MAP(comfoair_bypass.map):%s]" <climate> (ComfoAir) {channel="comfoair:comfoair:myComfoAir:menuP9#bypassState"}
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Switch comfoairGHXMode "GHX [MAP(comfoair_on-off.map):%s]" <climate> (ComfoAir) {channel="comfoair:comfoair:myComfoAir:menuP9#ewtState"}
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Switch comfoairChimneyMode "Fire programme [MAP(comfoair_on-off.map):%s]" <climate> (ComfoAir) {channel="comfoair:comfoair:myComfoAir:menuP9#chimneyState"}
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Switch comfoairHeaterMode "Heater [MAP(comfoair_on-off.map):%s]" <climate> (ComfoAir) {channel="comfoair:comfoair:myComfoAir:menuP9#heaterState"}
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Switch comfoairCookerHoodMode "Extractor hood [MAP(comfoair_on-off.map):%s]" <climate> (ComfoAir) {channel="comfoair:comfoair:myComfoAir:menuP9#cookerhoodState"}
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Switch comfoairEnthalpyMode "Enthalpy [MAP(comfoair_on-off.map):%s]" <climate> (ComfoAir) {channel="comfoair:comfoair:myComfoAir:menuP9#enthalpyState"}
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Switch comfoairFreezeMode "Freeze [MAP(comfoair_freeze.map):%s]" <climate> (ComfoAir) {channel="comfoair:comfoair:myComfoAir:menuP9#frostState"}
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```
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`.sitemap` file:
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```
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sitemap comfoair label="ComfoAir" {
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Frame label="Main" {
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Text item=comfoairError labelcolor=[!="No Errors"="red"] valuecolor=[!="No Errors"="red"]
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Switch item=comfoairControl mappings=[0="CCEase", 1="Computer"]
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Switch item=comfoairErrorReset mappings=[1="Reset"]
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Switch item=comfoairFilterReset mappings=[1="Reset"]
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}
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Frame label="Control" {
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Selection item=comfoairFanLevel
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Setpoint item=comfoairTargetTemperature step=0.5 minValue=15 maxValue=28 valuecolor=["black"]
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}
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Frame label="State" {
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Text item=comfoairOutdoorIncomingTemperature valuecolor=["black"]
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Text item=comfoairOutdoorOutgoingTemperature valuecolor=["black"]
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Text item=comfoairIndoorIncomingTemperature valuecolor=["black"]
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Text item=comfoairIndoorOutgoingTemperature valuecolor=["black"]
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}
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Frame {
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Text item=comfoairIncomingFan valuecolor=["black"]
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Text item=comfoairBypassMode valuecolor=["black"]
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Text item=comfoairOutgoingFan valuecolor=["black"]
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Text item=comfoairGHXMode valuecolor=[OFF="silver", ON="black"]
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Text item=comfoairEfficiency valuecolor=["black"]
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Text item=comfoairFreezeMode valuecolor=[OFF="black", ON="red"]
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Text item=comfoairFilterRuntime_Message valuecolor=["black"]
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Text item=comfoairChimneyMode valuecolor=[OFF="silver", ON="black"]
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}
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}
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```
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`comfoair_bypass.map` file:
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```
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ON=Opened
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OFF=Closed
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undefined=unknown
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-=unknown
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```
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`comfoair_on-off.map` file:
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```
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ON=active
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OFF=inactive
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undefined=unknown
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-=unknown
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```
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`comfoair_freeze.map` file:
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```
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ON=frozen
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OFF=OK
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undefined=unknown
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-=unknown
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```
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## Control Protocol Reference
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For reference the protocol description used can be found here (german version only):
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[Protokollbeschreibung Zehnder ComfoAir](http://www.see-solutions.de/sonstiges/Protokollbeschreibung_ComfoAir.pdf)
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