honeywell

  1. C

    Another Potterton thread...

    I'm planning on updating our central heating system in the next few weeks and need some advice in regards to rewiring for the new central heating controller. We currently have an ancient Potterton EP2000 unit controlling the central heating and I'm looking to replace it with a Honeywell T6R-HW...
  2. M

    Advice on converting a Honeywell CM707 thermostat to Drayton Wiser

    Dear all Novice to plumbing and electrics. Interested in getting a smart heating system for my flat, and after considering Hive, Nest and Tado, narrowed my choices down to Drayton Wiser or Honeywell Evohome. I was going to go for the Drayton Wiser, and was planning how to install it. My flat...
  3. M

    Replacing Honeywell BDR91 with Hive Active Heating

    Hi, I'm trying to replace a Honeywell BDR91 Thermostat with a Hive Active Heating one. The relay box for my Honeywell had wires going into the following (pic attached) N L A B I attempted to match to Hive as follows (pic attached) N L A=1 (common) B=3 (heating ON) However no power seems...
  4. P

    Replacing Dual Zone Honeywell with Hive

    Hi, I wondering if anyone can help me. I have moved into a new Bellway build and I'm looking to replace the current dual zone Honeywell system with a Hive system. Currently there is a Honeywell ST9100c under the boiler. In the living room and on the top floor there are CM707 units. The top...
  5. O

    Honeywell Lynx not arming

    Hello, I have a honeywell lynxtouch2 which does not respond when i press the Arm Away button and also has a yellow banner in the top of the screen with the following message " Not ready to arm-away system trouble" . What can be causing this issue? Thanks
  6. M

    Honeywell Flex - Fob setting and Gx remote with DDNS

    Hi, I have 2 questions: 1- It's about using fobs and programing the flex panel: I have TCB800M fobs, they were recognized by the panel, so I have one fob per user (2 users in all) Alpha is the RFmode which is set. As for now, any button i push on the fobs did nothing...so I wonder if i need to...
  7. G

    Water underfloor heating advice

    Looking for advice on UFH as well as general heating system. We have made the choice to get water underfloor heating in the middle of our refurb works for the kitchen. Rather than placing PVC pipes in plastic castellated floor panels, we will have them routed between joists and on top of...
  8. H

    NEST v3 thermostat and Heatlink with Honeywell ST6400C

    Hi Ive just installed a nest v3 Thermostat to control heating and hot water on my existing system which is Potterton Suprima 100L Boiler Honey well ST6400C Programmer Honeywell v4073A mid position diverter valve The old system didn't have a main thermostat , just TRV's on every radiator. I've...
  9. J

    Honeywell CM67

    Hi all, I would appreciate your help with what Im hoping is something very simple. I recently moved house. The heating system is pretty epic compared to what Ive had in the past. There is a Worcester boiler, and 2 heating zones. A CM61 controls the underfloor heating which is still working...
  10. S

    Infrared Heating setup

    Hi guys, I'm currently looking to install some infrared panels in 3 rooms. Previously there has been no permanent heating in these rooms. I'm looking to use a Honeywell T6R Smart thermostat but my question is, do I need one of these in each room connected to one of the infrared panels or can...
  11. K

    honeywell t40 to digital replacement

    Hi . Can I replace Honeywell T40 two wire to new digital one and how? Thanks
  12. I

    Honeywell HCW80 / HC60NG: heating never stops

    (Part of) my central heating is controlled by the wireless thermostat Honeywell HCW80 and the relay unit HC60NG which triggers the zone valve actuator. The two are linked (i have followed the instructions after resetting both to try to solve the problem and all is well). When i turn the...
  13. H

    Nest Thermostat 3rd Gen wiring- converting from Honeywell BDR91 relay box

    Hi I have a Vaillant ecoTec Pro 28 combi boiler which currently operates with a Honeywell wireless programmer and a Honeywell BDR 91 relay box. I'm thinking of replacing the Honeywell controls with a Nest 3rd Generation Thermostat and trying to determine whether or not i need to get it...
  14. R

    Upgrade Nest to Nest 3rd gen with HW control. Easy?!

    Hi, I would love to get advice on upgrading my Nest thermostat to the Nest version 3 that controls your HW apart from heating. I have the Nest that just controls your heating. My condensing boiler is the Glow-Worm Ultracom 38hxi and the Nest Heat link is connected to the boiler and within 1m...
  15. O

    Honeywell Galaxy G2-20 - Unused Zones in Tamper

    Hi, I am attempting to install a Honeywell Galaxy G2-20 System. Having a background in electronic engineering (a degree many years ago), I thought that I may be able to install the system myself. I have used the G2-20 with the RF Portal and several wireless detectors (3 x PIR's, 4 x door...
  16. L

    Optima g3 tamper loop out advice

    We have a accenta /optima alarm. The tamper kept going off. We have removed the wires for the bell box tamper and put a loop in. The alarm seems to be functioning ok but the leds on the bell box are not flashing. So from the outside looks like its not working. Queation is...can i leave the t...
  17. PhotographyJosh

    Galaxy G2-20 RIO failiure

    Hi, I have a g2-20 panel installed and working fine until 2 nights ago, at about 4pm (14/11) 2 panic buttons leds started flickering red as if they had been pressed and the mk7 by the door has no display but the green led at the bottom is on, the panel is not in an alarm state or reporting any...
  18. M

    Honeywell v4073a1039 motorised 3 port valve: should moving lever to manual allow flow?

    I have a Honeywell v4073a1039 3 port valve in my heating system and now the hot water and the central heating work intermittently, though banging the valve with my hand seems to bring it back to life, sometimes briefly sometimes until it switches off whereupon on starting again many hours later...
  19. A

    glow worm 35c boiler with a honeywell bdr91 smart wireless thermostat

    hi there, I currently have a glow worm 35c boiler in my home, i'm trying to fit a BDR91 thermostat. the wiring diagrams aren't the clearest in the world. can someone help please? I have read loads of threads about the Wiring. do I have a new power source to the thermostat? my boiler has...
  20. S

    Honeywell Analog stat, UP2 Programmer and Ideal Conventional Boiler to Hive

    Hi all hoping you guys can help and apologies if I ask any obvious questions or what's been asked before. I have an ideal conventional boiler with a Honeywell Analog stat, a hot water tank upstairs with a UP2 British gas programmer by the tank. Bought a Hive 2 and the electrician has replaced...
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