DevicesHeat pump

Nibe Heatpump F-Series

Supported Devices

Device Type	Modbus TCP (Ethernet)	RS485
Nibe F-Series Heatpump	❌	✅

Note

The Modbus 40 communication module is also needed to enable Modbus communication on this heatpump

[!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 SmartgridOne Controller and the Nibe F1253 heatpump operates via RS485.

MyEnergi Heatpumps and Boilers

Remeha

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	SmartgridOne Controller model OM1	SmartgridOne 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

Nibe Heatpump F-Series

Supported Devices

Note

Connection

On this page

RS485 Wiring