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Wiring-in help - Ideal Logic C30 boiler, neomitis RCERFa receiver

tomleads
tomleads ✭
in General Questions & Topics

Hi all. I just received a Wireless Smart Thermostat Starter Kit V3+ (OpenTherm) - for Combi Boilers kit.

I have a Ideal Logic C30 boiler which is connected to a Neomitis RCERFa receiver.

Having some trouble with my phone app getting the instructions but to be honest I figure I'd end up on here anyway.

Will I be able to use the current wires and connect it to the Tado? If so, could someone help guide me with where to put each wire? Thanks

See image below for the current wiring.

PXL_20241129_121427938.MP.jpg

PXL_20241129_123759948.MP.jpg

Comments

  • tomleads
    tomleads ✭

    Where would the earth cable go? Parking?

  • RocketPenguin
    RocketPenguin ✭
    @tomleads I've just swapped my old thermostat for a Tado V3+ connected using Opentherm to an Ideal logic C35, the exact instructions you need to follow depend on when your boiler was manufactured; there are several versions.

    It looks like your Neomitis thermostat uses relay control, you could connect it to the Tado via relay as well using the wires you have but if you wanted to use Opentherm for full modulation then it uses different connections inside the boiler.

    Ideal logic combi boilers use a 230V relay or low voltage Opentherm, the two aren't interchangeable without altering wiring inside the boiler which needs to be done by a gas safe registered engineer.

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