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wiring

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  1. D

    Thermostat wiring confusion

    Hi, I am changing my old Timeguard TRT030 stat to a Honeywell THR870CUK programmable stat. The problem is that the old stat appears to be 3 wires plus earth and the new stat is 2 wire, plz see enclosed pics, the wiring drawing is for the new Honeywell stat, can anyone explain with wires go where...
  2. S

    Salus IT500 Wireless Thermostat Wiring Help Needed

    Hi All, I need advice on which wires go where, i have a Drayton lifestyle programmer for hot water and central heating and I am trying to fit a Salus IT500 wireless thermostat. I need to know how to wire this up. picture attached show current setup,
  3. TMHM

    Drayton RF601 wiring

    Hi folks I am in the process of replacing a standard 3wire room thermostat with a Drayton RF601 device. My question relates to the wiring of this device. The old room thermostat had N, L & Switched Live return. The new device uses N, Permanent L, Common and Switched Live return. Obviously the...
  4. T

    Hive Heating system- wiring the thermostat

    Hi there, I just bought a Hive Active Heating to replace my Honeywell CM900 thermostat (R6660D) linked to myVaillant Combi boiler ecoTEC plus 937. I would like some help re wiring my new Hive thermostat. At the moment I have a blue cable wired onto the N, red cable wired onto the first L, a...
  5. M

    Nest S Plan wiring into 2 port valves

    Hello, Looking at the nest s plan wiring diagram, what does the BW wire stand for on the 2 port valves? Thanks!
  6. A

    Boiler programmer upgrade wiring question / problem

    Hi, I am a newbie to this forum, and hope someone can help with my question. I am updating my old Siemans programmer to a hive dual channel programmer. My heating/hot water system has a separate boiler and hot water tank. When I removed the cover of my old programmer to install the new one...
  7. bashmaystor

    Pick your brain on Honeywell Multiple Heating Zones Wiring

    Hello all I am designing an 4 zone central heating system, which comprises of: - Vaillant Ecotec Plus 637 Zone 1 - Main Unvented Direct Hot Water Cylinder 300l Zone 2 - Garage Rads Zone 3 - House Rads Zone 4 - UFH manifold (Nu-Heat) 2 Channel Programmer for zones 1, 2. 1 Channel Programmer...
  8. A

    Sundial Wiring Centre Room Thermostat Connection

    I have a very old Sundial Wiring Centre box on a Y-Plan CH system. It currently does not have the room thermostat connected to it but terminal 1 and 3 in the wiring centre's room stat block are linked by a single wire as instructed in the documentation for the Sundial Wiring Centre. However...
  9. C

    Vsmart or Vdumb VR66 wiring issues

    I've got an ecotec plus 624 with an aurostor 210 and VR66 wiring Center with vsmart, for some reason, probably a wiring issue, I have no control on hot water temperature, its boiling! Vaillant give me different answers whenever I call them and today told me to wire the ntc from the cylinder...
  10. S

    Help please with wiring for Y-Plan system

    Fine people of the plumbing world. I have accidentally pulled out some of the wiring in the strip terminal that connects the 3 port valve, pump, controller, boiler & `stat. (a shelf collapsed pulling wiring out......eeek) The Honeywell 3 port valve (40003916-001) has 6 wires attached, all info...
  11. townfanjon

    Blimey , Italian wiring eh !!

    Last week myself and Mrs TFJ caught up with our friends who bought an old nact up Italian farmhouse in the foothills of the Italian Alps. The whole house is wired like this , all exposed twin and earth fixed with metal nails / pins. PMSL , if anybody thinks our sparkie pals might want a laugh...
  12. K

    Wiring combi digital clock

    Hi I have an iqe simplicity combi and want to fit the optional digital clock, I purchased an original but have no wiring diagram, I have fitted the wires on to the back of the clock as I would think they go (see photos) I just want to confirm this is correct before I fit the plug into the...
  13. Thermoman

    Salus Thermostat wiring?

    dont know if this is in the right section but here goes I need to wire a salus 300rf thermostat to a baxi duo-tec Thanks
  14. gas tec

    Pump over run wiring

    is there a heat only Boiler on the market that does not need a pump over run wiring to the boiler? I am trawling through manufacturers instructions just to satisfy my mind as someone asked me.
  15. finchy01

    Can anyone give advice on Hive wiring?

    As part of a job I'm doing the customers wants a hive fitted. I had a look yesterday but got confused. The current wiring in the programmer is L. N. NO to both hw & ch. Common to both linked into the L. The Hive has L. N. And NO & NC for both hw & ch. My question is where do I put the current...
  16. W

    Sangamo 410 F4 wiring check

    My faithful S410 F4 has all but given up the ghost and it is time to replace it. It's done well - 37 years of service, so I'm not complaining! It features a pre-standardisation back plate, so I wanted to run a check by some kind soul before I replace it with the Drayton LP522 that's sitting on...
  17. F

    Wiring for replacement Drayton tempest three.

    Hi All, I've bought a replacement for a Drayton Tempest Three. The old back plate is slightly larger than the new on on the Drayton tempest 7. Ive included some pictures below. The black plate is from the old tempest three which shows the wiring as it currently is. I've also included a picture...
  18. J

    Wiring of 2 port valves on a Green star 32cdi combi

    I was wondering if someone could explain how I would wire 2 2 port valves to a Worcester Bosch 32cdi combi boiler. The whole purpose is to split the heating into 2 separate zones controlled by there own thermostats. all wiring diagrams for the boiler show different connections to what I have...
  19. N

    Timer wiring ?????

    Long story. Im about to do a bit of work on my hot water system at home. The system whilst old, works fine but im about to replace a gate valve (to the rads) with a electrically operated valve. (If I want hot water to the rads, I simply open the gate valve which allows hot water to the CH...
  20. hammers4spanner

    Wiring hive

    Got a boiler change tomorrow and it has Hive smart controls , they easy to wire in and set up on a worcester ? Got naff all experience with hive
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