controls

  1. hammers4spanner

    controls

    what are these what do they do ? saw them in plantroom today at a school doing bit of work at
  2. M

    Respossessed House - Boiler fires up, controls working, circ pump ok but no hot water

    Hi I'm doing up a house at the moment, its a repossession thats stood empty for 10 months. The Grundfos circulating pump next to the hot water cylinder had ceased but its now working fine. The boiler fired up first time. The Honeywell 3 way valve whirs when you turn the system on and sits in...
    • MattyW
    • Thread
    • boiler controls fires hot hot water house no hot water oil pump water working
    • Replies: 12
    • Forum: Plumbing Jobs | The Job-board
  3. V

    Vaillant VRC470 and external controls??

    Hi all, question for the technically minded out there... I've spoken to Vaillant on this, but wondered if anyone has any first hand experience of this: First quesrtion: Does a VRC470/VR61/VR10 when on DHW priority only operate the zone valve of the DHW cylinder and put the boiler into 'HW...
  4. S

    RF heating controls (big system)

    Hi All, I have been asked by a hotel to reduce their fuel bills, i will give a few details first- hotel is in continuos use so I am very limited on pulling up floor boards to re-route pipework / split system into multiple zones. 40 + rads to control. has a condensing oil boiler already but...
  5. C

    Heating on upstairs when it is turned off

    Hi My radiators are on upstairs when the heating is not set to come on. It seems to happen when the hot water is on. Any thoughts?
  6. M

    Really remote heating controls - setting the heating when you are work

    Does any one have knowledge/ experience of heating controls that you can access remotely eg by phone or interweb? I think Honeywell are working on it but have nothing available yet. I came across this DIY project when searching on web! Hack Your Heating Using an iPhone Geo-fence | Automated...
    • Mrs Tara Plumbi
    • Thread
    • controls heating heatmiser iphone really remote setting system work works
    • Replies: 16
    • Forum: Plumbing Jobs | The Job-board
  7. T

    Immersion Heater controls

    I'm currently pricing a job to fit a small unvented cylinder in a cafe that's being fitted out, there's no gas in the shop so will have to be direct electric heated. Sparkies are rewiring the whole place so electric supply is no problem. So it'll be a 120l RM Stelflow with 2 immersions going...
  8. T

    Budget for upgrade to CH Controls

    Please could the heating engineers/plumbers in the trade give me an idea of how much to budget for an upgrade to the controls on my central heating system? The system is a fully pumped, open vent system controlled by a simple two channel timer (Honeywell ST699). There are no rooms stats, no...
  9. D

    Honeywell RF2 pack 5

    Dear All, Just when I thought I had cracked the wiring for a sundial S plan plus, I started looking at controls and the RF2 pack 5 seems to do all I need: separate DHW and 2 heating zones. However, I think I'm being stupid here, but I don't understand how it's controlled.... I understand if...
  10. S

    ccn1 gas safety controls

    hi guys. i have been a plumber for 10 years or so now and thought i would finally take the plunge with my gas safe. i am half way through doing my ccn1 and am really struggling with trying to put together the NAMES of the different safety controls to the correct control. is there anywhere that...
  11. F

    grunfos or danfos training if you had to pick a heating controls trainng day ?????

    Hi all new to the forum hello. I've been thinking of going on a heating controls training day but I've only...
  12. D

    vaillant ecotec plus best controls

    Hi im fitting a vaillant next week i was going to fit the vr350f prog w/less rm stat. i downloaded the user guide to have a look & it seems quite complicated??? Last time i fitted the new eco tec i used the honeywell prog w/less stat which is fine but it was a bit tricky to wire up as it seemed...
  13. M

    Controls.

    Hi there was wondering if anyone had some advise regarding controls. Just been to look at a boiler swap. The current system is an s plan plus, there's a three channel prog in the kitchen. First and ground floor zones, with hot water provided by an unvented cylinder in the loft next to boiler...
  14. D

    Vaillant Controls

    Hi all I have little experience with the Vaillant range of controls. A customer of mine wants Vaillant controls with the Ecotec Plus 428 I'm installing. Can somebody recommend me some set ups of their controls please? Its an S plan, all wiring in boiler cupboard fortunately. From what I've...
  15. B

    vaillant controls

    been asked to fit a vaillant plus - what are the vaillant controls like now are they easier to use than the older ones - the customer is old but requesting the vaillant rf programmable control
  16. M

    Sensors

    Hi all, Sitting the ACS next week and believe we cover controls and fault finding. Have been looking over the MI for my suprima 70HE and wondered if someone could enlighten me with regard the sensors. Does the boiler prove "flow" by reading between the Casting sensor in the heat Ex' and the flow...
  17. T

    Hot water too hot

    Hi, Can anyone help me please….. Ever since moving into our house a few years back the temperature of the hot water is far too hot, it’s dangerous. Now with kids it really is dangerous so I've been investigating the cause and need some advice. I have a Telford Tornado indirect pressurised...
  18. W

    Converting combi boiler to system boiler

    Anyone done this? Have a customer wanting to change a system to thermal store with stove, solar etc. Existing combi boiler they want to use to drive the cyinder as a backup in emergencies. I guess I could just hook it up using the flow and return and disable the hot water side and controls...
  19. N

    Central heating water temperature controls

    Hi I'm trying to model a domestic heating system for an academic project. I understand that when heat is required a boiler will heat the system until the return temperature reaches a certain temperature (assuming the set temperature has not been reached first). It will then remain off until the...
    • nickpgood
    • Thread
    • central central heating certain controls heating return system temperature water which
    • Replies: 0
    • Forum: Plumbing Jobs | The Job-board
  20. P

    So come on the pro and cons of intergas

    with only 4 moving parts and no pressure switch. is it more reliable than a vaillant? open vented type comparison, please.

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