Installing Nest 3rd generation in a Nefit Proline NRC24

Hi, we have a Nest 3rd generation and we move to a new place with a ketel nefit Proline HRC24. I try to do the easy install from nest but the current termostat ModuLine 100 (nefit) has only 2 wire connected C and Rc. It this ketel compatible with my nest?
Do we need like an opentherm adaptor?

Im sorry if this is already resolved in other forum, if you know that please send me the link, thanks!
 
The nest will only work with the nefit with the onn /off because the proline is not opentherm protocol but ebus, however there is a adaptor from ebus to opentherm but if it works with the nest i dont know, i will reccomend on off
 
Hi, now I have the opentherm convertor so nest can be fully use, but still I only see two wires. Do I need more wires to conect to nest?
The opentherm convertor its easy to connect to the boiler (orange plug) but not sure how to do the wires from the opentherm convertor to nest 3rd.
Thanks
 
The wiring from ot converter to ot1 and ot2 on the heatlink
From heatlink to nest it is t1 and t2 on the footplate from the thermostat
 

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