Room heating is not working after pcb emulation enabled

[andrejgorin]

Hello!

Besides kinda cosmetic #867 I have more severe problem.

In heishamon ("large" version, v4.1.2) I enabled "Emulate optional PCB". In Aquarea (IDU:WH-ADC0309J3E5C, ODU:WH-UD05JE5) I also configured "optional pcb: on" and "sg ready: on". After these changes room heating stopped to work. Aquarea room heating is controlled by external thermostat. Sygnal from thermostat was just fine. At the same time DHW was working without any issues. After I disabled pcb emulation, optional pcb and sg ready things returned to normal.
Any idea where could be an issue? Heishamon side or Aquarea side?

Thank you in advance.

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