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Replacing Heatmiser DS-SB with Tado Smart Thermostap

Hi,

I’m trying to replace the dial thermostats for the UFH at my flat, and I’m having some trouble with the wiring.

The instructions tell me to label 3 wires, but the existing thermostat has 4. As per the wiring diagram, the Heatmiser thermostat has a Switch Live (SL), Live (L), Neutral (N) and a Timer Live.

My confusion arises from the Timer Live wire. I’m guessing this wire isn’t necessary for the Tado, should I just terminate it and cap it? Will this cause issues with the rest of the system?


Answers

  • DragonRR
    edited December 2022

    I have exactly the same problem. Contacted support for assistance. The instructions were incredibly detailed for an old Honeywell thermostat I have but poor for this JG DS-SB.