Multizone Boiler Control With Up To 4 Controllers - Honeywell evohome Applications Manual

2.9

Multizone boiler control with up to 4 controllers

B o i l e
r r o o m
Note
• Instead of the BDR91 relay module the OPENTHERM-Bridge can be used
Application description
The boiler relay or OPENTHERM-Bridge can receive the heat demand signal from up to 4 evotouch controllers in order
to control the boiler based on the required heat demand.
Each controller calculates the maximum heat demand and will send this information to the boiler relay.
Each controller must be bound to the boiler relay.
evotouch
22