Remeha Heatpump
Supported Devices
| Device Type | Modbus TCP (Ethernet) | RS485 |
|---|---|---|
| Remeha heatpump | ❌ | ✅ |
warning
Control is only possible using Boost or Block. Specific Wattage control is not supported!
Connection
The communication between the SmartgridOne Controller and the Remeha heatpump operates via RS485.
RS485
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 | 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 |