Honeywell to Hive

4007 · 9 Oct 2021

Hi, I have bought a hive system for combi boiler and wish to replace my existing Honeywell thermostat. Please see photo of existing wiring. Can anyone tell me which one goes where on hive unit please?

CBW · 9 Oct 2021

From Honeywell to Hive:

L - L
N - N
B - 3 (Normally Open/Heating on)
Remove L - A and transfer to L to 1 (Common) on Hive

Job done.

4007 · 10 Oct 2021

Thanks for the info Chris.
All done jobs a good one.

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Honeywell to Hive

4007

CBW

4007

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