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| 1 | +# SiemensHVAC Binding |
| 2 | + |
| 3 | +This binding provides support for the Siemens HVAC controller ecosystem, and the Web Gateway interface OZW672. |
| 4 | +A typical system is composed of: |
| 5 | + |
| 6 | + |
| 7 | + |
| 8 | +There's a lot of different HVAC controllers depending on model in lot of different PAC constructors. |
| 9 | +Siemens RVS41.813/327 inside a Atlantic Hybrid Duo was used for the development, and is fully supported and tested. |
| 10 | + |
| 11 | +Siemens have a complete set of controller references under the name "Siemens Albatros". |
| 12 | +Here is a picture of such device. |
| 13 | +You can also find this device in other types of heating systems: boiler or solar based. |
| 14 | + |
| 15 | + |
| 16 | + |
| 17 | +You will find some information about the OZW672.01 gateway on the Siemens web site: |
| 18 | + |
| 19 | +[OZW 672 Page](https://hit.sbt.siemens.com/RWD/app.aspx?rc=FR&lang=fr&module=Catalog&action=ShowProduct&key=BPZ:OZW672.01) |
| 20 | + |
| 21 | +With this binding, you will be able to: |
| 22 | + |
| 23 | +- Consult the different parameters of your system, like temperature, current heating mode, water temperature, and many more. |
| 24 | +- Modify the functioning mode of your device: temperature set point, heating mode, and others. |
| 25 | + |
| 26 | +The OZW672 gateway supports many different languages (about 16). |
| 27 | +The binding should work with all language choices, but is currently tested more thoroughly with French and English as configured language. |
| 28 | +If you use another language, and find some issues, you can report them on the openHAB forum. |
| 29 | + |
| 30 | +## Discovery |
| 31 | + |
| 32 | +Discovery of Gateway can be done using UPnP. |
| 33 | +Just switch off/on your gateway to make it annonce itself on the network. |
| 34 | +The gateway should appear in the Inbox a few minutes after. |
| 35 | +Be aware what you will have to modify the password in Gateway parameters just after the discovery to make it work properly. |
| 36 | +Be also aware that first initialization is a little long because the binding needs to read all the metadata from the device. |
| 37 | + |
| 38 | +Currently test was done with the OZW672.x series. |
| 39 | +No test was conducted using the OZW772.x series, the code will currently not handle initialization of an OZW772 gateway. |
| 40 | +You can request support in the community forum, if you have the gateway model and want it to be supported. |
| 41 | + |
| 42 | +Discovery of HVAC device inside your PAC (controller of type RVS...) have to be done through the Scan button inside the binding. |
| 43 | +Go to the Thing page, click on the "+" button, select the SiemensHVAC binding, and then click Scan. |
| 44 | +Your device should appear on the page after a few seconds. |
| 45 | +Only test in real conditions with RVS41.813/327 have been done, but it should work with all other types as the API interface is standard. |
| 46 | + |
| 47 | +## Bridge Configuration |
| 48 | + |
| 49 | +Parameter | Required | Default | Description |
| 50 | +----------------|----------------|----------------|------------------ |
| 51 | +baseUrl | yes | | The address of the OZW672 devices |
| 52 | +userName | yes | Administrator | The user name to log into the OZW672 |
| 53 | +userPass | yes | | The user password to log into the OZW672 |
| 54 | + |
| 55 | +## Channels |
| 56 | + |
| 57 | +Channels are auto-discovered, you will find them on the RVS things. |
| 58 | +They are organized the same way as the LCD screen of your PAC device, by top level menu functionality, and sub-functionalities. |
| 59 | +Each channel is strongly typed, so for example, for heating mode, openHAB will provide you with a list of choices supported by the device. |
| 60 | + |
| 61 | +Channel | Description | Type | Unit | Security Access Level | ReadOnly | Advanced |
| 62 | +--------------------------------|---------------------------------------------------------------------------------------------------|-------------------------------|----------|-------------------------|-----------|---------- |
| 63 | +1724#1725-optgmode-hc1 | Set Operating mode heat circuit 1 (`Automatic`, `Comfort`, `Reduced`, `Protection`) | operating-mode-hc | | | R/W | true |
| 64 | +1724#1726-roomtemp-comfsetp-hc1 | Romm temperature comfort setpoint HC1 | room-temp-comfort-setpoint-hc | | | R/W | true |
| 65 | + |
| 66 | +## Full Example |
| 67 | + |
| 68 | +Things file `.things` |
| 69 | + |
| 70 | +```java |
| 71 | +Bridge siemenshvac:ozw:ozw672_FF00F445 "Ozw672" [ baseUrl="https://192.168.254.42/", userName="Administrator", userPassword="mypass" ] |
| 72 | +{ |
| 73 | + Thing rvs41-813-327 00770000756A "RVS41.813/327" [ ] |
| 74 | + { |
| 75 | + Type room-temp-comfort-setpoint-hc : testChannelTemperature "TestChannelTemperature" [ id="1726" ] |
| 76 | + Type operating-mode-hc : testChannelCC1 "TestChannelCC1" [ id="1725" ] |
| 77 | + } |
| 78 | +} |
| 79 | +``` |
| 80 | + |
| 81 | + |
| 82 | +Items file `.items` |
| 83 | + |
| 84 | +```java |
| 85 | +Contact Boiler_State_Pump_HWSb "HWS Pump State [%s]" { channel = "siemenshvac:rvs41-813-327:ozw672_FF00F445:00770000756A:2237#2259-ppechargeecs" } |
| 86 | +Number Boiler_State_HWS "HWS State [%s]" { channel = "siemenshvac:rvs41-813-327:ozw672_FF00F445:00770000756A:2032#2035-etat-ecs" } |
| 87 | +Number:Temperature Flow_Temperature_Real "Flow Temparature Real [%.1f °C]" { channel = "siemenshvac:rvs41-813-327:ozw672_FF00F445:00770000756A:2237#2248-valreelletempdep-cc1" } |
| 88 | +Number:Temperature Flow_Temperature_Setpoint "Flow Temperature Setpoint [%.1f °C]" { channel = "siemenshvac:rvs41-813-327:ozw672_FF00F445:00770000756A:2237#2249-constdepresultcc1" } |
| 89 | +Number Hour_fct_HWS "HWS Hour function" { channel = "siemenshvac:rvs41-813-327:ozw672_FF00F445:00770000756A:2237#2263-heuresfoncpompeecs" } |
| 90 | +Number Nb_Start_HWS "HWS Number of start [%.1f]" { channel = "siemenshvac:rvs41-813-327:ozw672_FF00F445:00770000756A:2237#2266-comptdemarresel-ecs" } |
| 91 | +Number:Temperature Thermostat_Temperature "Thermostat tempeature [%.1f °C]" { channel = "siemenshvac:rvs41-813-327:ozw672_FF00F445:00770000756A:2237#2246-tambact-cc1" } |
| 92 | +Number:Temperature Thermostat_Setpoint "Thermostat setpoint [%.1f °C]" { channel = "siemenshvac:rvs41-813-327:ozw672_FF00F445:00770000756A:1724#1726-consconfort-ta-cc1" } |
| 93 | +Number Heat_Mode "Heat mode [%s]" { channel = "siemenshvac:rvs41-813-327:ozw672_FF00F445:00770000756A:1724#1725-regime-cc1" } |
| 94 | + |
| 95 | +Number:Temperature Thermostat_Setpoint_bis "Temperature [%.1f °C]" { channel = "siemenshvac:rvs41-813-327:ozw672_FF00F445:00770000756A:testChannelTemperature " } |
| 96 | +Number Heat_Mode_bis "Heat mode [%s]" { channel = "siemenshvac:rvs41-813-327:ozw672_FF00F445:00770000756A:testChannelCC1" } |
| 97 | + |
| 98 | +``` |
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