*Some soldering will be required if you wish to use the aircraft connector.
The hotend itself has 1 fan that is always on, a thermistor, and a heater cartridge. that is 6 wires. The layer cooling fans add an additional 2 wires bringing the count to 8 total.
Hotend Fan Positive (12v)
Hotend Fan Negative (Ground)
Layer Cooling Fans Positive (12v)
Layer Cooling Fans Negative (Ground)
Looking at the connector from the bottom we can see all 8 pins.
- Pins 1 and 2 will go to the hotend's heater cartridge.
Since a heater cartridge is just a resistor it does not matter which wire goes to which pin here.
- Pins 3 and 4 will go to the hotend's thermistor
Again a thermistor is a resistor (that changes resistance with temperature) so it does not matter which wire goes to which pin.
- Pins 5 and 6 will go to the hotend's fan.
This does matter for polarity so make pin 5 positive(12v) and pin 6 negative(ground)
- Pins 7 and 8 will go to the layer cooling fans.
Again polarity matters here so make positive(12v) go to pin 7 and negative(ground) go to pin 8