Nibe
Nibe Inverter Module 7.5kw - 718328
Nibe Inverter Module 7.5kw - 718328
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Description
Nibe Inverter Module – NI1AA 7.5kW
Part Number: 718328
Model: NI1AA
Power Rating: 7.5 kW
Component Type: Variable-Speed Inverter Module
Function: Controls the compressor speed in inverter-driven Nibe ground source heat pumps for high-efficiency operation.
📊 Technical Specifications
| Specification | Value |
|---|---|
| Input Voltage | 400V / 3-phase AC / 50Hz |
| Input Current | 16 A |
| Output Power | 7.5 kW |
| Output Current | 19 A |
| Phase Compatibility | 3x400V systems only (note: not suitable for 1x230V) |
⚠️ Despite the mention of 1x230V in some listings, this specific NI1AA 7.5kW inverter is intended for 3-phase (400V) systems only.
✅ Compatible Nibe Models
| Model | Description |
|---|---|
| Nibe F1155 – 16kW | Ground source HP (no DHW) |
| Nibe F1255 – 16kW | Ground source HP with DHW |
| Nibe F1355 – Various kW | Twin compressor inverter system |
| Nibe S1155 – 16kW | Smart version with myUplink |
| Nibe S1255 – Various kW | Smart inverter models with DHW |
Used in higher-capacity ground source systems where the compressor output is modulated for maximum efficiency.
🛠️ Use Case
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Replaces a damaged or faulty inverter, often due to:
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Overvoltage / Undervoltage
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Overheating
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Communication failure with main PCB
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Required for maintaining variable-speed operation, ensuring:
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Lower power usage
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Smooth compressor start-up
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Extended compressor life
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