What’s the TZ hotend?
I currently use a CHT 0.4mm nozzle.
Oh yeah, I’ve seen that and I thought is was for a faster hotend swapping.
So 100w is too weak? Going for a 200w heater, means I have to step up the PSU to 350w, there’s no Meanwell PSU between 200 to 350.
So that’s about 14.5Amps…
I going to print based on your design and the links you have in the description in MW.
But the biggest question I have now is: Is there a way to re-wire everything without drilling holes in the printer? 
100w is a bit weak yes. Im using a Meanwell LRS-350 for the 200w PTC heater.
And yup, no drilling. There is a perfectly placed hole in the bottom panel in just the right spot to fish the wires though. You have to fish the temperature probe from the STC-1000 controller and then drop down the power cord, before connecting it to the barrel plug, otherwise wont fit.
I have a feeling the X1 was supposed to come with a heater in that spot. There are placement marks on the bottom panel there and if you look at the early X1 advertising they talk about “60c degree chamber temp”… I have a feeling they removed it last minute to save costs.
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@maximit
I can only guess as to why they gave it up before launching the X1.
The internal components, such as the hotend, are not suitable for long durations with high chamber temp.
There’s no PSU and MC isolation and Extruder clogging.
Based the the remake in the link you have in Maker world, I see that one of the pictures is showing a drilling hole at the bottom of the printer which is a detering fact for me. Happy to know there’s a better routing option.
What types of filament are you printing the most?
I wish someone will hack the hotend to reach 350°
Presumably, even for ABS and ASA (see below), there’s a benefit to having a heated chamber that can go as high as 110C. Otherwise, Ultimaker never would have bothered developing their Method X printers:
Well, be that as it may, there do seem to be ABS/ASA formulations that don’t strictly need the higher temperatures. Maybe the same for PC? What else is there where 60C is both beneficial and “enough”?
Worthy of note is that the Qidi Q1 Pro does its 60C chamber heating by applying mains AC voltage to the fairly small PTC that they’re using. The reason? Maybe because it doesn’t need a either a separate power supply or even additional capacity added to the power supply already in their design, so it helps keep their costs low.
One could argue though that a 24v power supply like what you’re using is safer if ever there is a short, and the incremental cost isn’t much anyway. That seems equally valid.
Do you have a link to the heater you’re using?