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Sorry, not sure I understood your question, could you explain further?
The list has been corrected, thank you for your feedback!
The picture is based on looking at the printer from the rear, using the standard electronics panel found here.
Hi! All 4028 fans supplied by RatRig have 4 wires, the guide only shows 3 to avoid confusion since you only need to connect 3 cables, 12V GND and PWM. The Nidec fans use Red for 12V, Black for GND and Blue for PWM as mentioned on the product page. It should be present on the guide step like the Delta and Sanyo, Thanks for your feedback it will be fixed right away! Enjoy the rest of your build!
Exactly, in some cases, the space between the XY Joiners and the front plates is so small that it needs to be "measured" with your fingers by feeling the play as you described. It's not as big of a problem as a visible gap, but still worth tunning for a more advanced user! Thank you for your feedback.
Thank you for your feedback!
On Delta fans the blue wire is the PWM wire, The yellow wire is for RPM monitoring, by default it's unused.
You must source them yourself, the complete electronics kit hasn't been released yet.
The standard build should use 1.5mm gauge on the 24V circuit.
The third image is just a reference picture showing what voltages can be achieved by placing the jumpers in different positions. A small change to the description has been made, hopefully it is clear now. Thank you for your feedback