Novelan Heating & Cooling WPRnet 2.1 SHI
Controls Novelan heat pumps via Modbus TCP Smart Home Interface
This template connects Novelan heat pumps equipped with the WPRnet 2.1 controller to ModbusCloud via Modbus TCP. It reads room temperature, setpoints, power consumption, and DHW status while providing full mode and level control for heating, cooling, hot water, and pool blocking.
- Protocol
- Modbus TCP
- Connection
- Ethernet, Modbus TCP
- Registers
- 14, read and write
- Brand
- Novelan
- Key readings
- RBE Temperature · RBE Setpoint · Power Consumption Current · DHW Status
- Available commands
- Heating Overall Mode and Level · DHW Mode and Level · Block Heating/Cooling/Hot Water/Pool · PC Limit and Limitation Mode
- Compatible models
- Helox · LAV · LIV · LICV · LAP · LI 16.1 · Polaris · SI · SIC · SICV · SIV · WS · WSV
- Last updated
Registers (14)
4 read, 10 write
| Name | Unit | Access | Address (Hidden until you enter your email) | Function (hidden) | Type (hidden) |
|---|---|---|---|---|---|
| RBE Temperature | Read | ||||
| RBE setpoint | Read | ||||
| power Consumption Current | Read | ||||
| DHW_status | Read | ||||
| Limitation PC Mode | Write | ||||
| PC Limit | Write | ||||
| Block Cooling | Write | ||||
| Block Pool | Write | ||||
| Block_Heating | Write | ||||
| Block_Hot_water | Write | ||||
| DHW_level | Write | ||||
| Heating_overall mode | Write | ||||
| DHW mode | Write | ||||
| heatingOverallLevel | Write |
Loading registers…
Send your device list
If a device is not in the library yet, we build the template for free as soon as we have the register data.
Use cases
- Monitor real-time power consumption and room temperature of a Novelan heat pump on a live cloud dashboard.
- Create alerts when DHW status indicates the hot water tank has not reached setpoint within a defined time window.
- Block heating or cooling circuits remotely during grid curtailment events or high electricity tariff periods.
- Limit compressor electrical input power via the PC limit register to align with PV surplus availability.
- Track long-term energy consumption and compare heating versus cooling runtimes across multiple customer sites.
- Adjust heating mode and level remotely for seasonal changeover without an on-site visit.
Installation
Activate the Smart Home Interface in the alpha innotec controller menu, following the manufacturer manual (83055400pUK, part 2, pages 45 to 47).
Connect the ModbusCloud Gateway to the same local network as the Novelan heat pump controller.
Verify that the heat pump has a valid IP address and that the gateway can reach it on the Modbus TCP default port (502).
Import the Novelan WPRnet 2.1 SHI template from the ModbusCloud template library and assign the correct IP address of the heat pump.
Confirm communication by checking that live values such as RBE Temperature and Power Consumption appear on the ModbusCloud dashboard.
Configure any desired control outputs, alerts, or scheduling rules within your ModbusCloud project.
Things to watch for
The gateway cannot connect to the heat pump over Modbus TCP. What should I check?
Ensure the Smart Home Interface is activated in the controller settings. Verify the heat pump and the ModbusCloud gateway are on the same subnet and that no firewall blocks TCP port 502.
Do I need a separate RS485 to TCP converter for this template?
No. The Novelan WPRnet 2.1 controller with SHI communicates natively over Modbus TCP on the Ethernet network. No additional serial gateway is required.
Which Novelan models are supported by this template?
The template supports all models using the WPRnet 2.1 controller, including Helox, LAV, LIV, LICV, LAP, LI 16.1, Polaris, SI, SIC, SICV, SIV, WS, and WSV.
Can I limit the compressor power to match PV surplus?
Yes. The template exposes the PC Limit register and a Limitation Mode control. Set the limitation mode to active and write the desired power cap value to align consumption with available solar production.
Want to see how it works?
