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VinSmart Research & Manufacturer Joint Stock Company is a member of Vingroup Joint Stock Company – one of the biggest wholly owned conglomerates in Vietnam, specialising in Technology, Industry, Commercials & Services. VinSmart was established in June 2018.

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  1. I

    Vsmart graph doesn't look good

    Hi all, I have an ecotec plus 832 and less than 2 weeks ago I installed a Vsmart thermostat by myself. The graph under information in the app doesn't look quite right to me and it looks like the boiler turn on/off instead of doing modulation. Am I missing something? Thank you.
  2. A

    Vaillant Ecotec Plus Combi & UFH Control - V Smart Possible?

    Hi All Looking at having controls replaced / upgraded for a Vaillant Ecotect plus combi boiler. Currently have x2 zone valves on the heating (x1 for rads via a Honeywell wireless stat, and x1 for UFH circuits via Heatmiser stats - both wired to a Heatmiser wiring centre) I'm interested in...
  3. Ricardo

    eRelax/vSmart "ghost" heating period !

    My problem with a “ghost” setting on my central heating system. I have a Valliant Combi boiler, with the eRelax/vSmart Thermostat. I have the App on my phone, as does my wife, and on an iPad. I have the timings for the Heating coming on at 8am to 9am, and 6pm to 10pm, seven days a week. The...
    • Ricardo
    • Thread
    • america central heating system erelax heating usa vsmart
    • Replies: 2
    • Forum: USA
  4. J

    Vaillant Vsmart v Vrc700

    My old Vaillant wireless thermostat is absolute rubbish so its time to upgrade. I just require a reliable wireless thermostat for a standard Ecotec + 831 combi boiler. I do not need any wireless radiator themostats etc so I assume I just need one zone. I like the idea of having control via an...
  5. sammathias

    Vaillant vsmart simple question

    Can vsmart be overrided by simply pressing the plus sign on thermostat...reason I ask is customers + button doesn't increase temperature, never has and she's only ever been able to turn it on/off via app. Never fitted one clearly but would have thought her thermostat is faulty??
  6. M

    Vaillant ecoTEC settings for use with vSmart and VR66 wiring centre?

    We have a new Vaillant ecoTEC 624 boiler (installed in November), operating as a system boiler. It wasn't getting on well with our Honeywell thermostat, so we decided to get the vSmart thermostat and VR66 wiring control centre, which should work better with it. One thing that seems to be...
  7. A

    Vsmart controls ebus line

    Hi everyone, Fitting a combi tomorrow and have gone for the vsmart controls (vaillant) Having a nosy through the instructions now so I look like a pro on the job in front of the customer. I have a mains adapter for the 'communication unit' but it is saying about connecting ebus line from...
  8. T

    VR66/VRT 350 --> VR66/VSmart

    Setup: Vaillant EcoTec 637 with 2 Honeywell Valves (one for cylinder / one for CH) into the VR66 and Boiler/VR66/Controller connected via eBus. I recently tried to swap out a VRT350 with a VSmart. The VR66 was wired for a single zone, and the VRT350 switched a Honeywell Valve on the CH flow...
  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. J

    Question re: Vaillant Combi (ecoTec 835 Green iQ) w/ vSmart Controls

    First post, please excuse my lack of technical knowledge and the length of my post... I recently had a plumber replace a c.30 year-old Potterton Netaheat Electronic 16/22 system boiler with a Vaillant ecoTec 835 Green iQ. The boiler is for a secondary heating system at my property and it...
  11. M

    Help me wire my valiant thermostat(system boiler vr66 vsmart

    My boiler fitter has fit the boiler and said he is away for a few weks when he will fit the thermostat. i reckon I can do a lot my self. My sparky friend can help me on the power part. ok I have 2 zone valves and a typical system boiler type system from the manual I have used the but which...
  12. M

    Vaillant Vsmart +Nest

    Hi all New here for some advice from you professionals and homeowners and anyone else This might be an Interesting one so here goes Doing a refurb and installing a new heating system Going for an Unvented system consisting of Vaillant Ecotec Plus 6xx Megaflo 250L unvented cylinder UFH...
  13. B

    Vaillant Vsmart Wiring on ecotec plus 831

    Hi Vaillant have confirmed the Vsmart unit will work with the older 831 Combi.. but the wiring instructions for the ebus do not match the terninals in the boiler. Has anyone fitted a vsmart unit to an 831 combi. What terminals should it be wired to? 3 and 4 without bridge?? Thanks Bob
  14. gmartine

    Valliant Vsmart or Vrt350F ?

    I'm not familiar with either but I've been asked to update controls on a Vaillant combi system, client hasn't asked for weather comp but I'd like to offer it, are there any issues with either?
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