Moving from a Danfoss wired RET-230L thermostat to wired TADO thermostat

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mcbalfour
mcbalfour ✭
in General Questions & Topics

I currently have a Draytom LP522 controller which has 4 Danfoss RET-230L wired thermostats controlling four underfloor heating zones and I would like to replace the thermostats with Tado wired thermostats keeping the Drayton controller. The RET-230L has a 3 wire connection (4 if you count ground) as shown below. How would the Tado be wired for this configuration?

I realise that on the LP522 I would have to set the UH to always be on.

Thanks for any help with this.

danfoss-ret-230l.JPG


Best Answer

  • Emcee
    Emcee | Admin
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    Hello @mcbalfour,

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