Webasto Thermo Top T DW50 Installation Guide A6 2.5 TDI

Hello fellow enthusiasts,
Here's a translation:

'Let me start by saying...'
Yes, I know the search function, but the reference to the Webasto hotline doesn't really help me, because they don't provide any information; I'm supposed to contact a specialized installation company.

Okay, so I bought the aforementioned auxiliary heater used.
It comes with a lot of hoses and pipes, and a T70, but without a clock.
It seems to have been used in a T4, so the hoses probably won't fit perfectly.
It has to fit in my A6 4B, but it has to go in!

Long story short, here's the question.
'Does anyone have an instruction manual, wiring diagram, assembly plan, or any helpful notes?'
Mechanical/electronic repairs are no problem, but it's not good to have absolutely nothing.
or not?

Thank you, goodbye, Thomas.

Thank you.
I received comprehensive help!
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