Wireless Relay Box (Bdr91) - Honeywell evohome Installation Manual

4

Wireless Relay Box (BDR91)

!
Turn off at mains and
isolate the supply before
starting
Step 1: Wire up the heating system
If you're fitting a Wireless Relay Box
(BDR91) to your boiler, zone valve or
Sundial valve
Mount the Wireless Relay Box on a non-metal surface at least
1
30cm from your boiler, other wireless device or metal objects
Release the clip on the bottom to open the front cover
2
Follow the wiring diagram (see Appendix: Figures
3
5-10) to connect the Wireless Relay Box to your
boiler's thermostat terminals, zone valve or sundial
valve, and to the mains electricity supply
Replace the cover
4
Refer to boiler instruction to locate the room thermostat terminals,
determine if the boiler required a permanent live supply.
1
BOILER
4
MINIMUM
30CM
REPLACE
FRONT
COVER