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Update readme.md

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Dejan 2026-02-21 10:10:10 +00:00
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@ -39,7 +39,7 @@ From the Thermoplay connector label (Image 2):
### Heater Zones (connectors -4X4 / -4X2)
| Arburg Zone | Pin (+) | Pin (−) |
| Arburg Zone | Pin (L) | Pin (N) |
|-------------|---------|---------|
| Heater 1 | 1 | 2 |
| Heater 2 | 3 | 4 |
@ -48,11 +48,11 @@ From the Thermoplay connector label (Image 2):
| Heater 5 | 9 | 10 |
| Heater 6 | 11 | 12 |
> Each heater zone uses a **pair of adjacent pins** (odd = +, even = −).
> Each heater zone uses a **pair of adjacent pins**.
---
### Thermocouple Inputs — J-Type (connectors -4X3 / -4X1)
### Thermocouple Inputs —
| Arburg TC | Pin (+) | Pin (−) |
|-----------|---------|---------|
@ -114,7 +114,6 @@ From the Thermoplay connector label (Image 2):
- Always verify wiring with a multimeter before powering up.
- Mislabelled or swapped TC wires will cause **temperature runaway** or zone shutdown.
- Heater zones carry **mains voltage** — ensure the machine is **locked out** before working on wiring.
- Module references from schematic: `-4X1`, `-4X2`, `-4X3`, `-4X4`
---