Honeywell evohome Applications Manual page 7

Application description
This application shows 1 zone boiler control where the evotouch controller controls the boiler directly depending on heat
demand via the BDR91 relay module (switching ON/OFF).
The internal room sensor of the evotouch controller is used in order to measure the room temperature.
Option
• Outdoor sensor
The HB85 outdoor sensor measures the outside temperature. It must be installed if data is required.
Steps to do
f Activate the internal room sensor of the
f Bind BDR91 relay module / OPENTHERM-Bridge to the
f Check RF communication.
Application Manual
evotouch controller.
evotouch controller.
See section 4.2
See section 4.4
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