NIBE
Nibe CPU v1.18 res 618643
Nibe CPU v1.18 res 618643
£129.69
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Description
CPU Module – (v1.18 RES)
The NIBE CPU Module F1X-20/30 V1.20 RES (Part Number: 618643) is a replacement control circuit board (CPU card) used in older NIBE heat pump systems.
Part Details
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Part Number:
618643 -
Description: CPU Module F1X-20/30 V1.20 RES (Reserve / Spare Part)
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Category: Electronic Control Unit / Main Board
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Common Compatibility: Found in various legacy NIBE Fighter and F-series ground source/exhaust air heat pumps (e.g., NIBE Fighter 1120, F1140, F1220, F1330 series).
Key Information & Troubleshooting
| Topic | Details |
| Function | Acts as the central processor for the heat pump, interpreting sensor data, managing heating cycles, and communicating with the display unit/relay cards. |
| Software Version | The v1.18 or v1.20 designation refers to the baseline firmware revision flashed to the chip on the board. |
