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<!-- Attention authors: Do not edit directly. Please add your changes to the appropriate source repository -->
<h1 id="wr3223-ventilation-controller-binding">WR3223 ventilation controller Binding</h1>
<p>The WR3223 ventilation controller is used for room ventilation systems, for example in houses produced by company “Schwörer Haus”. The manufacturer of the controller is <a href="http://www.hermes-electronic.de/">Hermes Electronic</a>.</p>
<p>The WR3223 binding can read several measurements and the current state of the ventilation system. It can also adjust the fan speed, operation mode and the target temperature.</p>
<h2 id="prerequisites">Prerequisites</h2>
<p>The WR3223 can be connected by an RS232 or USB adapter. The adapter can be orderd from Hermes Electronic. If you want to connect the WR3223 by yourself, have a look at: <a href="https://community.openhab.org/t/wr3223-ventilation-controller-schworer-haus/">https://community.openhab.org/t/wr3223-ventilation-controller-schworer-haus/</a></p>
<p>To control the WR3223, you have to disconnect the control panel, otherwise the WR3223 will ignore the command from the serial port.</p>
<h2 id="binding-configuration">Binding Configuration</h2>
<p>This binding can be configured in the file <code class="highlighter-rouge">services/wr3223.cfg</code>.</p>
<p>The connection must be configured via either the serialPort setting or via the host and port settings.</p>
<table>
<thead>
<tr>
<th>Property</th>
<th>Default</th>
<th style="text-align: center">Required</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>serialPort</td>
<td> </td>
<td style="text-align: center">Yes (if serial port is used)</td>
<td>Serial port where the WR3223 is connected. E.g. /dev/ttyUSB0</td>
</tr>
<tr>
<td>host</td>
<td> </td>
<td style="text-align: center">Yes (if TCP is used)</td>
<td>IP address of the TCP to serial gateway</td>
</tr>
<tr>
<td>port</td>
<td> </td>
<td style="text-align: center">Yes (if TCP is used)</td>
<td>port number of the TCP to serial gateway</td>
</tr>
<tr>
<td>refresh</td>
<td>15000</td>
<td style="text-align: center">No</td>
<td>Refresh interval in milliseconds. The WR3223 needs a refresh at least every 20 seconds!</td>
</tr>
<tr>
<td>controllerAddr</td>
<td>1</td>
<td style="text-align: center">No</td>
<td>The controller address is normally 1.</td>
</tr>
</tbody>
</table>
<h2 id="item-configuration">Item Configuration</h2>
<p>The syntax of the binding configuration strings accepted is the following:</p>
<div class="highlighter-rouge"><div class="highlight"><pre class="highlight"><code>wr3223="<device-command>"
</code></pre></div></div>
<p>where <code class="highlighter-rouge"><device-command></code> is replaced with the WR3223 command from the list below:</p>
<table>
<thead>
<tr>
<th><code class="highlighter-rouge"><device-command></code></th>
<th>Item Type</th>
<th>Read / Write</th>
<th>Notes</th>
</tr>
</thead>
<tbody>
<tr>
<td>temperature_evaporator</td>
<td>Number</td>
<td>Read</td>
<td>de: Verdampfertemperatur (T1)</td>
</tr>
<tr>
<td>temperature_condenser</td>
<td>Number</td>
<td>Read</td>
<td>de: Kondensatortemperatur (T2)</td>
</tr>
<tr>
<td>temperature_outside</td>
<td>Number</td>
<td>Read</td>
<td>de: Aussentemperatur (T3)</td>
</tr>
<tr>
<td>temperature_outgoing_air</td>
<td>Number</td>
<td>Read</td>
<td>de: Ablufttemperatur (Raumtemperatur) (T4)</td>
</tr>
<tr>
<td>temperature_after_heat_exchanger</td>
<td>Number</td>
<td>Read</td>
<td>de: Temperatur nach Wärmetauscher (Fortluft) (T5)</td>
</tr>
<tr>
<td>temperature_supply_air</td>
<td>Number</td>
<td>Read</td>
<td>de: Zulufttemperatur (T6)</td>
</tr>
<tr>
<td>temperature_after_brine_preheating</td>
<td>Number</td>
<td>Read</td>
<td>de: Temperatur nach Solevorerwärmung (T7)</td>
</tr>
<tr>
<td>temperature_after_preheating</td>
<td>Number</td>
<td>Read</td>
<td>de: Temperatur nach Wärmetauscher (T8)</td>
</tr>
<tr>
<td>rotation_speed_supply_air_motor</td>
<td>Number</td>
<td>Read</td>
<td>de: Drehzahl Zuluftmotor</td>
</tr>
<tr>
<td>rotation_speed_exhaust_air_motor</td>
<td>Number</td>
<td>Read</td>
<td>de: Drehzahl Abluftmotor</td>
</tr>
<tr>
<td>bypass</td>
<td>Contact</td>
<td>Read</td>
<td>de: Zustand Bypass</td>
</tr>
<tr>
<td>compressor</td>
<td>Contact</td>
<td>Read</td>
<td>de: Zustand Kompressor Relais</td>
</tr>
<tr>
<td>additional_heater_relais</td>
<td>Contact</td>
<td>Read</td>
<td>de: Zustand Zusatzheizung Relais</td>
</tr>
<tr>
<td>additional_heater_status</td>
<td>Contact</td>
<td>Read</td>
<td>de: Zusatzheizung An/Aus</td>
</tr>
<tr>
<td>additional_heater_open</td>
<td>Switch</td>
<td>Read / Write</td>
<td>de: Zusatzheizung ausgeschaltet (0) oder freigegeben (1)</td>
</tr>
<tr>
<td>additional_heater_activate</td>
<td>Switch</td>
<td>Read / Write</td>
<td>de: Zusatzheizung ein/ausschalten</td>
</tr>
<tr>
<td>bypass_relay</td>
<td>Contact</td>
<td>Read</td>
<td>de: Zustand Netzrelais Bypass</td>
</tr>
<tr>
<td>preheating_radiator_active</td>
<td>Contact</td>
<td>Read</td>
<td>de: Vorheizen aktiv</td>
</tr>
<tr>
<td>control_device_active</td>
<td>Contact</td>
<td>Read</td>
<td>de: Bedienteil aktiv</td>
</tr>
<tr>
<td>earth_heat_exchanger</td>
<td>Contact</td>
<td>Read</td>
<td>de: Erdwärmetauscher</td>
</tr>
<tr>
<td>magnet_valve</td>
<td>Contact</td>
<td>Read</td>
<td>de: Magnetventil</td>
</tr>
<tr>
<td>openhab_interface_active</td>
<td>Contact</td>
<td>Read</td>
<td>de: Bedienung über RS Schnittstelle (WR3223 Binding)</td>
</tr>
<tr>
<td>preheating_radiator</td>
<td>Contact</td>
<td>Read</td>
<td>de: Vorheizregister</td>
</tr>
<tr>
<td>warm_water_post_heater</td>
<td>Contact</td>
<td>Read</td>
<td>de: WW Nachheizregister</td>
</tr>
<tr>
<td>ventilation_level_available</td>
<td>Contact</td>
<td>Read</td>
<td>de: Luftstufe vorhanden</td>
</tr>
<tr>
<td>ventilation_level</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Aktuelle Luftstufe</td>
</tr>
<tr>
<td>operation_mode</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Betriebsart</td>
</tr>
<tr>
<td>cooling_mode</td>
<td>Switch</td>
<td>Read / Write</td>
<td>de: Kühlen</td>
</tr>
<tr>
<td>temperature_supply_air_target</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Zuluftsoll Temperatur</td>
</tr>
<tr>
<td>heat_feedback_rate</td>
<td>Number</td>
<td>Read</td>
<td>de: Aktuelle Rückwärmzahl in %</td>
</tr>
<tr>
<td>speed_deviation_max_level_1</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Max. Drehzahlabweichung Zu-/Abluft in Stufe 1</td>
</tr>
<tr>
<td>speed_deviation_max_level_2</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Max. Drehzahlabweichung Zu-/Abluft in Stufe 2</td>
</tr>
<tr>
<td>speed_deviation_max_level_3</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Max. Drehzahlabweichung Zu-/Abluft in Stufe 3</td>
</tr>
<tr>
<td>speed_increase_earth_heat_exchanger_level_1</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Drehzahlerhöhung Zuluftventilator Stufe 1, wenn Erdwärmetauscher ein (0% bis 40%)</td>
</tr>
<tr>
<td>speed_increase_earth_heat_exchanger_level_2</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Drehzahlerhöhung Zuluftventilator Stufe 2, wenn Erdwärmetauscher ein (0% bis 40%)</td>
</tr>
<tr>
<td>speed_increase_earth_heat_exchanger_level_3</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Drehzahlerhöhung Zuluftventilator Stufe 3, wenn Erdwärmetauscher ein (0% bis 40%)</td>
</tr>
<tr>
<td>air_exchange_decrease_outside_temperature</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Luftwechsel um 3% reduziert ab Außentemp. …°C (-20°C bis +10°C)</td>
</tr>
<tr>
<td>ventilation_speed_level_1</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Luftstufe 1, % des max. Ventilatorstellwerts (40 bis 100%)</td>
</tr>
<tr>
<td>ventilation_speed_level_2</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Luftstufe 2, % des max. Ventilatorstellwerts (40 bis 100%)</td>
</tr>
<tr>
<td>ventilation_speed_level_3</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Luftstufe 3, % des max. Ventilatorstellwerts (40 bis 100%)</td>
</tr>
<tr>
<td>summer_earth_heat_exchanger_activation_temperature</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Einschalt-Außentemperatur Erdwämietauscher im Sommer (20°C bis 40°C)</td>
</tr>
<tr>
<td>winter_earth_heat_exchanger_activation_temperature</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Einschalt-Außentemperatur Erdwärmetauscher im Winter (-20°C bis 10°C)</td>
</tr>
<tr>
<td>defrosting_start_temperature</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Beginn Abtauung ab Verdampfertemperatur …°C</td>
</tr>
<tr>
<td>defrosting_end_temperature</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Ende Abtauung ab Verdampfertemperatur …°C</td>
</tr>
<tr>
<td>defrosting_ventilation_level</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Lüfterstufe im Abtaubetrieb</td>
</tr>
<tr>
<td>defrosting_hold_off_time</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Sperrzeit für den nächsten Abtauvorgang</td>
</tr>
<tr>
<td>defrosting_overtravel_time</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Abtaunachlauzeit</td>
</tr>
<tr>
<td>defrosting_heat_feedback_rate</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Abtaurückwärmezahl Schaltpunkt (20% bis 80 %)</td>
</tr>
<tr>
<td>solar_max</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Solar max</td>
</tr>
<tr>
<td>solar_usage</td>
<td>Number</td>
<td>Read</td>
<td>de: Solar Nutzen (Stunden)</td>
</tr>
<tr>
<td>delta_t_off</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Delta T Aus Temperaturdifferenz zwischen Speicher u. Kollektor</td>
</tr>
<tr>
<td>delta_t_on</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Delta T Ein Temperaturdifferenz zwischen Speicher u. Kollektor</td>
</tr>
<tr>
<td>temperature_condenser_max</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Maximale Kondensatortemperatur</td>
</tr>
<tr>
<td>idle_time_pressure_reduction</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Pausezeit für Druckabbau bei automatischer Umschaltung</td>
</tr>
<tr>
<td>support_fan_level_1_earth_heat_exchanger</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Unterstuetzungsgeblaese bei Luftstufe 1 bei EWT</td>
</tr>
<tr>
<td>support_fan_level_2_earth_heat_exchanger</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Unterstuetzungsgeblaese bei Luftstufe 2 bei EWT</td>
</tr>
<tr>
<td>support_fan_level_3_earth_heat_exchanger</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Unterstuetzungsgeblaese bei Luftstufe 3 bei EWT</td>
</tr>
<tr>
<td>control_voltage_outgoing_air</td>
<td>Number</td>
<td>Read</td>
<td>de: Steuerspannung Abluft</td>
</tr>
<tr>
<td>control_voltage_supply_air</td>
<td>Number</td>
<td>Read</td>
<td>de: Steuerspannung Zuluft</td>
</tr>
<tr>
<td>warm_water_target_temperature</td>
<td>Number</td>
<td>Read / Write</td>
<td>de: Warmwasser Sollwert</td>
</tr>
<tr>
<td>heat_pump_status</td>
<td>Contact</td>
<td>Read</td>
<td>de: Wärmepumpe An/Aus</td>
</tr>
<tr>
<td>heat_pump_open</td>
<td>Switch</td>
<td>Read / Write</td>
<td>de: Wärmepumpe freigegeben (1) oder aus (0)</td>
</tr>
<tr>
<td>heat_pump_activate</td>
<td>Switch</td>
<td>Read / Write</td>
<td>de: Wärmepumpe Ein/-Ausschalten</td>
</tr>
<tr>
<td>evu_blockade</td>
<td>Contact</td>
<td>Read</td>
<td>de: EVU Abschaltung</td>
</tr>
<tr>
<td>malfunction</td>
<td>Contact</td>
<td>Read</td>
<td>de: Störung vorhanden</td>
</tr>
<tr>
<td>error_temp_sensor_short</td>
<td>Contact</td>
<td>Read</td>
<td>de: Kurzsch. TS</td>
</tr>
<tr>
<td>error_offset</td>
<td>Contact</td>
<td>Read</td>
<td>de: Offset error</td>
</tr>
<tr>
<td>error_temp_sensor_interupt</td>
<td>Contact</td>
<td>Read</td>
<td>de: Unterbr. TS</td>
</tr>
<tr>
<td>error_high_pressure</td>
<td>Contact</td>
<td>Read</td>
<td>de: Hochdruckfehler</td>
</tr>
<tr>
<td>error_sys_ram</td>
<td>Contact</td>
<td>Read</td>
<td>de: Error sys ram</td>
</tr>
<tr>
<td>error_sys_rom</td>
<td>Contact</td>
<td>Read</td>
<td>de: Error sys rom</td>
</tr>
<tr>
<td>error_sys_ee</td>
<td>Contact</td>
<td>Read</td>
<td>de: Error sys ee</td>
</tr>
<tr>
<td>error_sys_io</td>
<td>Contact</td>
<td>Read</td>
<td>de: Error sys io</td>
</tr>
<tr>
<td>error_sys_67_ad</td>
<td>Contact</td>
<td>Read</td>
<td>de: Error sys 67 ad</td>
</tr>
<tr>
<td>error_supply_air</td>
<td>Contact</td>
<td>Read</td>
<td>de: Zuluft fehlt</td>
</tr>
<tr>
<td>error_outgoing_air</td>
<td>Contact</td>
<td>Read</td>
<td>de: Abluft fehlt</td>
</tr>
<tr>
<td>error_condenser</td>
<td>Contact</td>
<td>Read</td>
<td>de: Kondensationsfehler</td>
</tr>
<tr>
<td>error_preheating</td>
<td>Contact</td>
<td>Read</td>
<td>de: Vorheizfehler</td>
</tr>
</tbody>
</table>
<h2 id="examples">Examples</h2>
<h3 id="items">Items</h3>
<div class="highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Number wr3223_operation_mode "Betriebsart [%.0f]" { wr3223="operation_mode" }
Number wr3223_ventilation_level "Aktuelle Luftstufe [%.0f]" { wr3223="ventilation_level" }
Number wr3223_temperature_supply_air_target "Soll Temperatur [%.1f]" { wr3223="temperature_supply_air_target" }
</code></pre></div></div>
<h3 id="sitemap-fragment">Sitemap (fragment)</h3>
<div class="highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Switch item=wr3223_ventilation_level label="Stufe" mappings=[0="Aus", 1="1", 2="2", 3="3"]
Switch item=wr3223_operation_mode label="Betriebsart" mappings=[1="Sommer", 2="Abluft", 3="Winter"]
Setpoint item=wr3223_temperature_supply_air_target minValue=16 maxValue=28 step=1
</code></pre></div></div>
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