Recent content by Sibley14

Nest Installation Advice to replace Honeywell CM927 / BDR91

Thanks @Strima, agree with you there. Before i ventured down the pro route i thought i'd explore the self install option first. It doesn't look that complicated, and i would of course turn off the power. I already have a wireless system installed and thought i'd check with the experts here as...
- Sibley14
- Post #9
- Sep 15, 2017
- Forum: Central Heating Systems
Nest Installation Advice to replace Honeywell CM927 / BDR91

Ok thanks @Leesparkykent & @buzzlightyear - sorry if this seems really dumb.... If i just replace the Honeywell BDR91 and wire up the nest Heatlink box as indicated on the low voltage page instructions, so: L>L, N>N A Wire (from honeywell) to 2 on nest heatlink box B wire (from honeywell) to...
- Sibley14
- Post #7
- Sep 15, 2017
- Forum: Central Heating Systems
Nest Installation Advice to replace Honeywell CM927 / BDR91

Thanks @davesparks nice to see I'm on the right track, you mention control circuit and by this you mean the A B wires as I refer to them. Is that right? Next Q. How do I know if they are 240V? Is it worth me paying for a pro? Cheers
- Sibley14
- Post #3
- Sep 15, 2017
- Forum: Central Heating Systems
Nest Installation Advice to replace Honeywell CM927 / BDR91

Hi there, i have zero electrical experience, but am looking to replace my wireless honeywell CM927 / BDR91 Control unit with the Nest 3. This is to control a Ferroli combi boiler. I could pay a professional, but It doesn't look to complicated to fit.....but then what do i know :-) Looking at...
- Sibley14
- Thread
- Sep 15, 2017
- advice honeywell installation nest replace
- Replies: 10
- Forum: Central Heating Systems
IMG_8524[1].JPG
- Sibley14
- Media item
- Sep 15, 2017
- Comments: 0
- Category: Professional Electrician
IMG_8523[1].JPG
- Sibley14
- Media item
- Sep 15, 2017
- Comments: 0
- Category: Professional Electrician
IMG_8522[1].JPG
- Sibley14
- Media item
- Sep 15, 2017
- Comments: 0
- Category: Professional Electrician
IMG_8521[1].JPG
- Sibley14
- Media item
- Sep 15, 2017
- Comments: 0
- Category: Professional Electrician

OFFICIAL SPONSORS

These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc