User manual

Power up and bind a Wireless Relay Box
(BDR91) or OpenTherm Bridge to control
a boiler
Make sure the Wireless Relay Box (BDR91) or
OpenTherm Bridge is wired to the boiler and
powered up.
To bind a Relay Box or OpenTherm Bridge
1
Press and hold the button for 15 seconds (until the red
LED blinks rapidly) to clear any previous binding data
2
Press and hold the button again for 5 seconds
(until the red LED blinks slowly)
3
On the Central Controller press the green bind button
4
You should receive a SUCCESS message on the
Central Controller (if not go back and re-bind)
If you are NOT following
GUIDED CONFIGURATION
follow these steps on your
Central Controller display
first:
1. Press and hold ‘Settings’
for 3 seconds
2. Press the green tick
3. Press SYSTEM DEVICES
4. Press the button next to
‘Boiler Demand’
5. Press BOILER RELAY or
OPENTHERM BRIDGE
Central
Controller
1 2
HOLD
15 SEC
HOLD
5 SEC
Wireless Relay Box (BDR91)
P19 evohome Installation Guide