Nibe Heatpump F-Series
Supported Devices
| Device Type | Modbus TCP (Ethernet) | RS485 |
|---|---|---|
| Nibe F-Series Heatpump | ❌ | ✅ |
Note
Note
The Modbus 40 communication module is also needed to enable Modbus communication on this heatpump https://www.nibe.eu/nl-nl/producten/accessoires/modbus-40
[!WARNING] Control is only possible using SG-Ready Operation Modes (Boosting or Blocking). Specific Wattage control is not supported. The control is done by using the offset curve of the manufacturer
Connection
The communication between the a-TroniX Controller and the Nibe F1253 heatpump operates via RS485.
RS485
Info
RS485 Wiring
- For correct RS485 wiring: Follow the guidelines for RS485 wiring.
- If the wiring shown in the table below is incorrect, please let us know.
- There is no general consensus in the industry about the usage of A and B for the RS485 polarity, so it may be counterintuitive and opposite of what you might expect for some devices.
| Device | a-TroniX Controller model OM1 | a-TroniX Controller model IG8 | RS485-USB converter | RS485-Ethernet converter |
|---|---|---|---|---|
| A | RS485 A | RS485_POS | RS485 A | TX+ |
| B | RS485 B | RS485_NEG | RS485 B | TX- |
| GND (if available) | RS GND | GND | Not available | G |
Last updated December 10, 2025Edit this page