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- Regio Midi room controllers (RC-CDFO, RC-CDTO, RC-C3DOC, RC-C3DFOC, RCC-C3DOCS)
Room controller (fan coil, radiator, VAV) · BACnet points list
Regin Regio Midi room controllers (RC-CDFO, RC-CDTO, RC-C3DOC, RC-C3DFOC, RCC-C3DOCS) BACnet points list
Updated 4 November 2026
Regio Midi is a wall-mounted room controller for heating, cooling, change-over, fan coil and VAV applications. The RS485 port runs EXOline, Modbus or BACnet MS/TP; BACnet is only offered on the display models and is switched on from the parameter menu or Application tool. All Midi models share one fixed object list, so objects for hardware a model lacks (CO2, fan, VAV, extra zone) simply stay unused.
This page lists 74 BACnet objects for the Regin Regio Midi room controllers (RC-CDFO, RC-CDTO, RC-C3DOC, RC-C3DFOC, RCC-C3DOCS) — 38 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Regin’s own free documentation, linked below.
- Manufacturer
- Regin
- Model
- Regio Midi room controllers (RC-CDFO, RC-CDTO, RC-C3DOC, RC-C3DFOC, RCC-C3DOCS)
- Equipment
- Room controller (fan coil, radiator, VAV)
- Equipment type
- VAV boxes & fan coils
- BACnet objects
- 74 (38 writable)
- Transport
- BACnet MS/TP
- Firmware
- 1.7 or later (AV 35, AV 36 and AV 42 need 1.7-1-04 or newer)
- Also known as
- Regio Midi, RC-CDFO, RC-CDTO, RC-C3DOC, RC-C3DFOC, RCC-C3DOCS, RC-C
- Source document
- Regio Midi manual · MA30008 · rev. Rev. F, 2026-06-29
Reference only, provided as-is: verify against Regin’s current documentation and the live device before use. Not official Regin information. Terms of use.
BMS integration notes: Regin Regio Midi room controllers (RC-CDFO, RC-CDTO, RC-C3DOC, RC-C3DFOC, RCC-C3DOCS)
Switch the controller's protocol to BACnet MS/TP in the parameter menu (or Application tool), then set the MAC address and device ID. Command occupancy with RegioRemoteState (MV 5), adjust the comfort setpoints and offset, and read room temperature, unit state, controller state and the alarm objects.
Minimum points to map
The short list most integrators start with — enough to run the unit from a BMS. Map more as the job needs.
| Object | Name | Why | Access |
|---|---|---|---|
| MV 5 | RC_Setp_X.RegioRemoteState | Occupancy command: off, unoccupied, standby, occupied | Write |
| BV 10 | RC_Setp_L.RegioShutDown | Force the unit into shutdown | Write |
| AV 7 | RC_Setp_R.RegioOccSetPHeat | Occupied heating setpoint | Write |
| AV 8 | RC_Setp_R.RegioOccSetPCool | Occupied cooling setpoint | Write |
| MV 2 | RC_Setp_X.RegioFanSelect | Fan mode: off, manual speed 1-3 or auto | Write |
| MI 1 | RC_Actual_X.RegioUnitState | Current unit state | Read |
| MI 2 | RC_Actual_X.RegioControllerState | Off, heating or cooling | Read |
| AI 0 | RC_Actual_R.RegioRoomTemp | Room temperature | Read |
| AV 3 | RC_Actual_R.RegioPIDSetP | Active controller setpoint | Read |
| BV 8 | RC_Actual_L.RegioRoomTempSensorAlarm | Room sensor fault | Read |
Enable & remote start
RegioRemoteState (MV 5) lets the BMS force the unit state (off, unoccupied, standby, occupied); 6 = no remote control hands control back to the local logic. RegioShutDown (BV 10) forces the shutdown state and RegioBypass (BV 9) starts a timed bypass.
Sensors & values from the BMS
RegioRoomTempRemote (AV 15) lets the BMS supply the room temperature when the controller is configured for an external room sensor; the manual gives -255 as the 'disabled' value.
Network setup
- BACnet is only on the display models (RC-CDFO, RC-CDTO, RC-C3DOC, RC-C3DFOC, RCC-C3DOCS); set parameter 114 to 1 = BACnet MS/TP.
- MAC address (parameter 115): 0-127 runs as MS/TP master, 128-254 as slave.
- Device ID is set as low 4 digits (parameter 116) and high 3 digits (parameter 117); the address sticker gives a ready-made default.
- Speeds 9600, 19200, 38400 or 76800 bit/s (76800 only for BACnet).
- Once switched to BACnet, the protocol can only be switched back to EXOline/Modbus from the display.
Watch out for
- Value objects have no priority array; the last write wins and the local display can change the same values.
- Setpoints and limits are stored settings; avoid writing them cyclically.
- Objects for CO2, VAV, EC fan and the extra zone only do something on models and configurations that have those functions.
Regin Regio Midi room controllers (RC-CDFO, RC-CDTO, RC-C3DOC, RC-C3DFOC, RCC-C3DOCS) BACnet objects
Type: AI, AO, AV, BI, BO, BV, MI/MO/MV (multi-state) · Access: Read read-only, Write writable, Command writable with a priority array.
| Description | States | |||||
|---|---|---|---|---|---|---|
| AImin | 0 | RC_Actual_R.RegioRoomTemp | Room temperature | °C | Read | |
| AI | 1 | RC_Actual_R.RegioAIChangeOver | Change over temperature | °C | Read | |
| AI | 2 | RC_Actual_R.RegioAnaIn1 | Value of analogue input 1 | °C | Read | |
| AI | 3 | RC_Actual_R.RegioUAnaIn1 | Value of universal analogue input 1 | V | Read | |
| AI | 4 | RC_Actual_R.RegioRoomCO2 | CO2 input value | ppm | Read | |
| AI | 5 | RC_Actual_R.RegioSupplyAirTemp | Supply air temperature | °C | Read | |
| AI | 6 | RC_Actual_R.RegioRoomFlow | Air flow | l/s | Read | |
| AI | 7 | RC_Actual_R.RegioVoltInput | Value on analogue input 2 | V | Read | |
| AI | 8 | RC_Actual_R.Regio2ndZoneTemperature | Zone 2 Temperature | °C | Read | |
| AV | 0 | RC_Actual_R.RegioUAnaOut1 | Value of universal analogue output 1 | V | Read | |
| AV | 1 | RC_Actual_R.RegioUAnaOut2 | Value of universal analogue output 2 | V | Read | |
| AVmin | 3 | RC_Actual_R.RegioPIDSetP | Controller setpoint | °C | Read | |
| AV | 4 | RC_Actual_R.RegioPIDOutput | Controller output | % | Read | |
| AV | 5 | RC_Actual_R.RegioHeatOutput | Heat output | % | Read | |
| AV | 6 | RC_Actual_R.RegioCoolOutput | Cool output | % | Read | |
| AVmin | 7 | RC_Setp_R.RegioOccSetPHeat | Room base setpoint heating | °C | Write | |
| AVmin | 8 | RC_Setp_R.RegioOccSetPCool | Room base setpoint cooling | °C | Write | |
| AV | 9 | RC_Setp_R.RegioUnOccSetPHeat | Room heat setpoint in unoccupied mode | °C | Write | |
| AV | 10 | RC_Setp_R.RegioUnOccSetPCool | Room cool setpoint in unoccupied mode | °C | Write | |
| AV | 11 | RC_Setp_R.RegioFrostSetP | Frost protection setpoint | °C | Write | |
| AV | 12 | RC_Setp_R.RegioSetPOffset | Setpoint adjustment | °C | Write | |
| AV | 13 | RC_Setp_R.RegioHeatOutputManual | Manual value heating output | % | Write | |
| AV | 14 | RC_Setp_R.RegioCoolOutputManual | Manual value cooling output | % | Write | |
| AV | 15 | RC_Setp_R.RegioRoomTempRemote | Remote control of room temperature | °C | Write | |
| AV | 16 | RC_Setp_R.RegioStandbySetPDeadBand | Deadband in Standby mode | °C | Write | |
| AV | 17 | RC_Setp_R.RegioCVDeadband | Deadband control valve | % | Write | |
| AV | 22 | RC_Setp_R.RegioFlow_0V | Flow at 0 V input signal at AI2 | l/s | Write | |
| AV | 23 | RC_Setp_R.RegioFlow_10V | Flow at 10 V input signal at AI2 | l/s | Write | |
| AV | 26 | RC_Setp_R.RegioMinHeat | Minimum heat output at Heat control | % | Write | |
| AV | 27 | RC_Setp_R.RegioMinECFanSpeed | Minimum speed for the EC fan | % | Write | |
| AV | 28 | RC_Setp_R.RegioMaxECFanSpeed | Maximum speed for the EC fan | % | Write | |
| AV | 29 | RC_Actual_R.RegioUAnaOut3 | Value on universal analogue output 3 | V | Read | |
| AV | 30 | RC_Actual_R.RegioUO3Output | UO3 output, 0-100 % | % | Read | |
| AV | 31 | RC_Actual_R.RegioPID2Setp | Calculated supply air setpoint | °C | Read | |
| AV | 35 | CO2LimitLow | CO2 level where the damper starts to open (fw 1.7-1-04+) | ppm | Write | |
| AV | 36 | CO2LimitHigh | CO2 level where the damper is fully open (fw 1.7-1-04+) | ppm | Write | |
| AV | 37 | RC_Setp_R.Regio2ndZoneSetpoint | Room setpoint for Extra zone | °C | Write | |
| AV | 38 | RC_Setp_R.RegioRoomCO2HighLimit | CO2 high alarm limit | ppm | Write | |
| AV | 39 | RC_Setp_R.RegioHeat2OutputManual | Manual value heat output 2 | % | Write | |
| AV | 40 | RC_Setp_R.RegioCool2OutputManual | Manual value cool output 2 | % | Write | |
| AV | 41 | RC_Setp_R.RegioVAV2OutputManual | Manual value vav output 2 | % | Write | |
| AV | 42 | RC_Setp_R.RegioUo3OutputManual | Manual value for the VAV output (fw 1.7-1-04+) | % | Write | |
| BI | 0 | RC_Actual_L.RegioDIOpenWindow | Indicate open window | Read | ||
| BI | 1 | RC_Actual_L.RegioDICondenseAlarm | Indicate condense alarm from digital input | Read | YES/NO | |
| BI | 2 | RC_Actual_L.RegioDIPresences | Indicate presence from digital input | Read | ||
| BI | 3 | RC_Actual_L.RegioDIChangeOver | Indicate change over from digital input | Read | ||
| BI | 4 | RC_Actual_L.RegioRoomTempHighTempAlarm | Room high temperature alarm | Read | ||
| BI | 5 | RC_Actual_L.RegioRoomTempLowTempAlarm | Room low temperature alarm | Read | ||
| BI | 7 | RC_Actual_L.RegioDIindacation | Run indication when DI2 is configured for it | Read | ||
| BI | 8 | RC_Actual_L.RegioRoomCO2HighAlarm | High CO2 alarm (clears when CO2 drops below the limit) | Read | ||
| BV | 0 | RC_Actual_L.RegioForcedVentilation | Indicate forced ventilation | Read | ON/OFF | |
| BV | 1 | RC_Actual_L.RegioCVHeatPulsProp | Indicate pulse prop heating | Read | ||
| BV | 2 | RC_Actual_L.RegioCVCoolPulsProp | Indicate pulse prop cooling | Read | ||
| BV | 7 | RC_Actual_L.RegioChangeOverState | Change-over state from digital or analogue input | Read | ||
| BVmin | 8 | RC_Actual_L.RegioRoomTempSensorAlarm | Indicate sensor alarm on room sensor | Read | ||
| BV | 9 | RC_Setp_L.RegioBypass | Force Bypass mode; returns after the Bypass time (default 120 min) | Write | ||
| BVmin | 10 | RC_Setp_L.RegioShutDown | Force the unit in ShutDown state | Write | ||
| BV | 11 | RC_Setp_L.RegioComFactoryDefaults | Resets communication settings to default values | Write | ||
| BV | 12 | RC_Setp_L.RegioBlockConfig | Block the configuration menu on the controller buttons | Write | ||
| BV | 13 | RC_Setp_L.RegioChangeOverAdvanced | Use advanced analog change-over function | Write | ||
| LO | 0 | Regulator | Room temperature control loop | Read | ||
| MI | 0 | RC_Actual_X.RegioFanSwitch | Fan switch state | Read | 1=OFF, 2=LOW, 3=MEDIUM, 4=HIGH, 5=AUTO | |
| MImin | 1 | RC_Actual_X.RegioUnitState | Current unit state | Read | 1=Off, 2=Unoccupied, 3=Stand-by, 4=Occupied, 5=Bypass | |
| MImin | 2 | RC_Actual_X.RegioControllerState | Current controller state | Read | 1=Off, 2=Heating, 3=Cooling | |
| MI | 3 | RC_Actual_X.RegioFanSpeed | Current fan speed | Read | 1=Off, 2=Fan speed 1, 3=Fan speed 2, 4=Fan speed 3 | |
| MV | 0 | RC_Setp_X.RegioHeatOutputSelect | Manual/Auto heat output | Write | 1=Off, 2=Manual output, 3=Automatic output | |
| MV | 1 | RC_Setp_X.RegioCoolOutputSelect | Manual/Auto cool output | Write | 1=Off, 2=Manual output, 3=Automatic output | |
| MVmin | 2 | RC_Setp_X.RegioFanSelect | Fan mode select | Write | 1=Off, 2=Manual speed 1, 3=Manual speed 2, 4=Manual speed 3, 5=Auto, 6=Auto 2, 7=Auto 1 | |
| MV | 3 | RC_Setp_X.RegioForcedVentSelect | Manual/Auto forced ventilation and VAV output | Write | 1=Off, 2=Manual On, 3=Auto | |
| MV | 4 | RC_Setp_X.RegioChangeOverSelect | Manual/Auto change-over | Write | 1=Heating, 2=Cooling, 3=Auto | |
| MVmin | 5 | RC_Setp_X.RegioRemoteState | Remote control unit state | Write | 1=Off, 2=Unoccupied, 3=Stand-by, 4=Occupied, 6=No remote control | |
| MV | 7 | RC_Setp_X.RegioHeatOutput2Select | Manual/Auto for heat output 2 | Write | 0=Off, 1=Manual, 2=Auto | |
| MV | 8 | RC_Setp_X.RegioCoolOutput2Select | Manual/Auto for cool output 2 | Write | 0=Off, 1=Manual, 2=Auto | |
| MV | 9 | RC_Setp_X.RegioVAVOuput2Select | Manual/Auto for VAV output 2 | Write | 0=Off, 1=Manual, 2=Auto |
No points match these filters.
Object ID lookup: Regin Regio Midi RC-C point IDs by name
AI0RC_Actual_R.RegioRoomTempAI1RC_Actual_R.RegioAIChangeOverAI2RC_Actual_R.RegioAnaIn1AI3RC_Actual_R.RegioUAnaIn1AI4RC_Actual_R.RegioRoomCO2AI5RC_Actual_R.RegioSupplyAirTempAI6RC_Actual_R.RegioRoomFlowAI7RC_Actual_R.RegioVoltInputAI8RC_Actual_R.Regio2ndZoneTemperatureAV0RC_Actual_R.RegioUAnaOut1AV1RC_Actual_R.RegioUAnaOut2AV3RC_Actual_R.RegioPIDSetPAV4RC_Actual_R.RegioPIDOutputAV5RC_Actual_R.RegioHeatOutputAV6RC_Actual_R.RegioCoolOutputAV7RC_Setp_R.RegioOccSetPHeatAV8RC_Setp_R.RegioOccSetPCoolAV9RC_Setp_R.RegioUnOccSetPHeatAV10RC_Setp_R.RegioUnOccSetPCoolAV11RC_Setp_R.RegioFrostSetPAV12RC_Setp_R.RegioSetPOffsetAV13RC_Setp_R.RegioHeatOutputManualAV14RC_Setp_R.RegioCoolOutputManualAV15RC_Setp_R.RegioRoomTempRemoteAV16RC_Setp_R.RegioStandbySetPDeadBandAV17RC_Setp_R.RegioCVDeadbandAV22RC_Setp_R.RegioFlow_0VAV23RC_Setp_R.RegioFlow_10VAV26RC_Setp_R.RegioMinHeatAV27RC_Setp_R.RegioMinECFanSpeedAV28RC_Setp_R.RegioMaxECFanSpeedAV29RC_Actual_R.RegioUAnaOut3AV30RC_Actual_R.RegioUO3OutputAV31RC_Actual_R.RegioPID2SetpAV35CO2LimitLowAV36CO2LimitHighAV37RC_Setp_R.Regio2ndZoneSetpointAV38RC_Setp_R.RegioRoomCO2HighLimitAV39RC_Setp_R.RegioHeat2OutputManualAV40RC_Setp_R.RegioCool2OutputManualAV41RC_Setp_R.RegioVAV2OutputManualAV42RC_Setp_R.RegioUo3OutputManualBI0RC_Actual_L.RegioDIOpenWindowBI1RC_Actual_L.RegioDICondenseAlarmBI2RC_Actual_L.RegioDIPresencesBI3RC_Actual_L.RegioDIChangeOverBI4RC_Actual_L.RegioRoomTempHighTempAlarmBI5RC_Actual_L.RegioRoomTempLowTempAlarmBI7RC_Actual_L.RegioDIindacationBI8RC_Actual_L.RegioRoomCO2HighAlarmBV0RC_Actual_L.RegioForcedVentilationBV1RC_Actual_L.RegioCVHeatPulsPropBV2RC_Actual_L.RegioCVCoolPulsPropBV7RC_Actual_L.RegioChangeOverStateBV8RC_Actual_L.RegioRoomTempSensorAlarmBV9RC_Setp_L.RegioBypassBV10RC_Setp_L.RegioShutDownBV11RC_Setp_L.RegioComFactoryDefaultsBV12RC_Setp_L.RegioBlockConfigBV13RC_Setp_L.RegioChangeOverAdvancedLO0RegulatorMI0RC_Actual_X.RegioFanSwitchMI1RC_Actual_X.RegioUnitStateMI2RC_Actual_X.RegioControllerStateMI3RC_Actual_X.RegioFanSpeedMV0RC_Setp_X.RegioHeatOutputSelectMV1RC_Setp_X.RegioCoolOutputSelectMV2RC_Setp_X.RegioFanSelectMV3RC_Setp_X.RegioForcedVentSelectMV4RC_Setp_X.RegioChangeOverSelectMV5RC_Setp_X.RegioRemoteStateMV7RC_Setp_X.RegioHeatOutput2SelectMV8RC_Setp_X.RegioCoolOutput2SelectMV9RC_Setp_X.RegioVAVOuput2Select
Integration notes
- Object list from Appendix C of the Regio Midi manual (rev F), pages 107-111. Older firmware (1.6 and earlier) uses a different list; Regin points to the 1.6 variable list for those.
- The manual prints 16 placeholder objects named AV02, AV18-AV21, AV24, AV25, AV32-AV34, BI06, BV03-BV06 and MSV6 as 'Not used'; they are left out here.
- Value objects are not commandable (no priority array); a write simply sets the value.
- AV 38 (CO2 high alarm limit) is printed with unit °C in the manual; it is a CO2 level, shown here as ppm.
- The 0/1/2 state numbering on MV 7-9 is as printed; the other multistate objects start at 1.
Check it against the live device. A points list tells you what the controller can expose; the unit in front of you may differ by firmware or installed options. This list is provided as-is for reference only and may contain mistakes — confirming it before you write, map or commission anything is up to you (terms). Easy BACnet scans a network for BACnet IP devices from an Android phone, reads every object on the Regio Midi room controllers (RC-CDFO, RC-CDTO, RC-C3DOC, RC-C3DFOC, RCC-C3DOCS) and exports what it actually has to Excel — free. New to BACnet? Start with what a BACnet points list is and what the object types mean.
Questions about the Regin Regio Midi room controllers (RC-CDFO, RC-CDTO, RC-C3DOC, RC-C3DFOC, RCC-C3DOCS)
How many BACnet points does the Regin Regio Midi room controllers (RC-CDFO, RC-CDTO, RC-C3DOC, RC-C3DFOC, RCC-C3DOCS) have?
This list has 74 BACnet objects: 9 analog inputs, 33 analog values, 8 binary inputs, 10 binary values, 1 loop, 4 multi-state inputs, 9 multi-state values. The exact set on a given unit depends on its firmware, installed options and configuration.
Which Regin Regio Midi room controllers (RC-CDFO, RC-CDTO, RC-C3DOC, RC-C3DFOC, RCC-C3DOCS) BACnet points are writable?
38 of the 74 objects accept a write. Points marked Command have a priority array: a write holds until it is released, so release it back to automatic when you are done.
Where is the official Regin Regio Midi room controllers (RC-CDFO, RC-CDTO, RC-C3DOC, RC-C3DFOC, RCC-C3DOCS) BACnet documentation?
The source is Regio Midi manual (MA30008), revision Rev. F, 2026-06-29, published free by Regin at https://www.regincontrols.com/globalassets/pimmediafiles/documents/regio_midi_ma30008_en.pdf.
What are the minimum BACnet points to integrate the Regin Regio Midi room controllers (RC-CDFO, RC-CDTO, RC-C3DOC, RC-C3DFOC, RCC-C3DOCS)?
Start with MV 5 RC_Setp_X.RegioRemoteState (Occupancy command: off, unoccupied, standby, occupied); BV 10 RC_Setp_L.RegioShutDown (Force the unit into shutdown); AV 7 RC_Setp_R.RegioOccSetPHeat (Occupied heating setpoint); AV 8 RC_Setp_R.RegioOccSetPCool (Occupied cooling setpoint); MV 2 RC_Setp_X.RegioFanSelect (Fan mode: off, manual speed 1-3 or auto); MI 1 RC_Actual_X.RegioUnitState (Current unit state); MI 2 RC_Actual_X.RegioControllerState (Off, heating or cooling); AI 0 RC_Actual_R.RegioRoomTemp (Room temperature); AV 3 RC_Actual_R.RegioPIDSetP (Active controller setpoint); BV 8 RC_Actual_L.RegioRoomTempSensorAlarm (Room sensor fault).
How do I enable BMS control of the Regin Regio Midi room controllers (RC-CDFO, RC-CDTO, RC-C3DOC, RC-C3DFOC, RCC-C3DOCS)?
RegioRemoteState (MV 5) lets the BMS force the unit state (off, unoccupied, standby, occupied); 6 = no remote control hands control back to the local logic. RegioShutDown (BV 10) forces the shutdown state and RegioBypass (BV 9) starts a timed bypass.
Can the BMS supply sensor values to the Regin Regio Midi room controllers (RC-CDFO, RC-CDTO, RC-C3DOC, RC-C3DFOC, RCC-C3DOCS)?
RegioRoomTempRemote (AV 15) lets the BMS supply the room temperature when the controller is configured for an external room sensor; the manual gives -255 as the 'disabled' value.
How do I check these points on the real Regio Midi room controllers (RC-CDFO, RC-CDTO, RC-C3DOC, RC-C3DFOC, RCC-C3DOCS)?
Scan the network with a BACnet IP browser such as Easy BACnet, open the device and compare its object list with this table. Anything missing is usually an option that isn't installed or a point that is disabled in the controller's configuration.
More Regin BACnet points lists
- Air handling unit controller
Regin Corrigo 5.0 ventilation (AHU) controller
Regin Corrigo 5.0 ventilation controllers for air handling units (supply/extract fans, heating/cooling sequences, heat recovery).
Also known as: Corrigo 5.0, Corrigo 5, Corrigo ventilation, Regin Corrigo, BACnet_Corrigo50 - Heating controller (boiler, district heating, domestic hot water)
Regin Exigo 4.3 heating controller
Regin Exigo 4.3 heating controllers: up to 4 heating circuits, 2 hot-water circuits, boilers, district heating, solar and buffer tanks.
Also known as: Exigo 4.3, Exigo, Exigo Ardo, Exigo Vido, Regin Exigo, BACnet_Exigo43 - Differential pressure / airflow sensor (transmitter)
Regin Presigo PDTN differential pressure transmitter (firmware 1.1)
Regin Presigo PDTN one- and two-channel differential pressure transmitters with display, firmware 1.1-1-00.
Also known as: PDTN, Presigo PDTN, PDTN 1.1-1-00, Regin PDTN - Fan coil room controller
Regin RCF fan coil room controllers (RCF-230CD, RCF-230CAD, RCF-230CTD, RCF-230CTD-EC)
Regin RCF 230 V wall-mounted fan coil controllers with built-in communication (models with a C in the name).
Also known as: RCF, Regio RCF, RCF-230CD, RCF-230CAD, RCF-230CTD, RCF-230CTD-EC - Room controller (fan coil / VAV / chilled beam)
Regin Regio RCX room controller (firmware 2.1)
Regin Regio RCX room controllers with firmware 2.1 (fan coil, radiator, chilled beam and VAV applications).
Also known as: RCX, Regio RCX, RCX-..., RCX 2.1-1-xx, Regin RCX - Room sensor / transmitter
Regin Regio RTX room transmitter (firmware 2.0)
Regin Regio RTX room transmitters (temperature, CO2, humidity, VOC, presence) with firmware 2.0.
Also known as: RTX, Regio RTX, RTX-2.0-1-02, Regin RTX - Room sensor / operator unit
Regin Regio RUX room unit / display (firmware 2.1)
Regin Regio RUX room units (temperature, CO2, humidity, VOC sensing with display) with firmware 2.1.
Also known as: RUX, Regio RUX, RUX 2.1-1-xx, Regin RUX - Room controller (chilled beam, radiator, VAV damper)
Regin RegioArdo two-room controller (dampers, chilled beams, radiators)
Regin RegioArdo 24 V AC pre-programmed two-room controllers for dampers, chilled beams and radiators, used with ED-RU room units.
Also known as: Regio Ardo, RegioArdo, Regio Ardo 2.0 - Fan coil room controller
Regin RegioEedo fan coil room controller
Regin RegioEedo 230 V AC pre-programmed fan coil controllers, used with ED-RU room units.
Also known as: Regio Eedo, RegioEedo, Regio Eedo 2.0
Source: Regio Midi manual · MA30008 · rev. Rev. F, 2026-06-29. Object names, instances and units are reproduced as published; descriptions are our own.