ecobee

ecobee thermostat installation with an isolation relay

If the boiler utilizes dry-contact T & T terminals then an isolation relay is needed to have the ecobee3 interface with the boiler control. Below is a diagram illustrated how the ecobee would be wired in this scenario (ecobee3 backplate shown).

 

ecobee-with-isolation-relay.jpg

We recommend a single pole, normally open (SPNO) 24VAC relay, commonly referred to as a fan relay (see below).

ecobee-isolation-relay.jpg

ic-construction.png  Need help with installation? Find a certified pro to help you install >

Was this article helpful?

Have more questions? Submit a request