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Relays (boiler, air heater, circulator)
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Base de Connaissance EN Relays (boiler, air heater, circulator)

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My relay (boiler, circulator or fan heater) shows the red hourglass icon (communication timeout): what should I do?

If your relay (boiler, circulator or fan heater) shows the red hourglass icon (communication timeout), it means it has not communicated with your Snugr installation for too long. Note: these relays no...

What do “NO” and “NC” mean on the relay module?

On the Snugr relay module, the terminals COM / NO / NC are a dry contact (a controlled “switch”) that Snugr opens or closes depending on the heating demand. COM (Common): the common relay terminal. ...

My boiler controller shows a flame (heating), but the boiler doesn't start: what should I do?

If your boiler controller shows a flame in Settings → Devices and the last communication time is recent, Snugr is indeed sending a heat request. The issue is then usually on the boiler side, its power...