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Honeywell wireless not binding!!!

Discuss Honeywell wireless not binding!!! at UK Plumbers Forums; Originally Posted by lame plumber change the frequency settings, could be a new computer wireless unit interfering, You mean on the computer???...
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    Default Re: Honeywell wireless not binding!!!

    Quote Originally Posted by lame plumber View Post
    change the frequency settings, could be a new computer wireless unit interfering,
    You mean on the computer???

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    Default Re: Honeywell wireless not binding!!!

    Had something like this in the end i took prog off plate waited 5secs and replaced back on wall plate and it worked

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    Default Re: Honeywell wireless not binding!!!

    most rf units have dip switches to allow you to change the freqency used,
    GSR? Want gas safety or boiler repair advice? We will check out that you're genuine via the gas safe website, so please dont be offended when we ask for your details. DIYers, odd job people and have a go heroes need not apply.

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    Default Re: Honeywell wireless not binding!!!

    While I'm here,
    does anyone have any experience with megaflow units. I was wondering if they could operate without a controller, as they do when you use the electrical element. The internal stat can call for the boiler so is it actually possible to wire so its on constantly?


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    Default Re: Honeywell wireless not binding!!!

    Quote Originally Posted by Marty28k View Post
    While I'm here,
    does anyone have any experience with megaflow units. I was wondering if they could operate without a controller, as they do when you use the electrical element. The internal stat can call for the boiler so is it actually possible to wire so its on constantly?

    Don't understand a word of this Marty, a Megaflow heating coil should be controlled by a two port valve via a spare thermostat inside the unit, go look at the datasheet, the immersion heater has a separate internal thermostat
    I am not certain what you are trying to achieve here with the question, maybe someone else can

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    Default Re: Honeywell wireless not binding!!!

    Don't tamper with a Megaflo Marty unless you are qualified to work on them.
    Your post suggests that you are not.
    Si hoc signum legere potes, operis boni in rebus Latinus alacribus et fructuosis potiri potes!

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    Default Re: Honeywell wireless not binding!!!

    Well there you are Marty take his advice leave well alone or Boooooom
    Ermintrude likes this.

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    Default Re: Honeywell wireless not binding!!!

    Sorry Happyflyer, I should have explained it a litter clearer.
    Thanks for your concern mountainman, Im only asking for information about plannning possibilities, I definitely will not be doing any tampering, however as previous topic, Im having loads of issues with my current setup and was wondering if I could take the megaflow out of the equation by get it running without the use of the controller. i actually didn't think it was that complicated and the controller only turns it on and off at lib when reaching a desired temp. I was under the impression that the megaflow could do this itself anyway, as it can operate itself funder immersion? Is that a littler clearer?

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    Default Re: Honeywell wireless not binding!!!

    If you are only talking about heating the megaflow off the immersion heater there are no problems, I thought you were talking about messing with the controls to the water coil in the Megaflow
    the megaflow does have a temperature and pressure safety valve built in it such that it the control to the coil or the immersion heater failed it would blow off, I still don't know what you mean
    and you are not explaining it very well.

    The immersion heater has a built in thermostat that you can adjust up and down you can connect this to a time switch if you wish
    The water coil heats the MF up via a boiler and a control valve, there is an internal spare thermostat that this valve is wired to

    Good advice would be to stay clear, unless you can before much more specific.

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    Default Re: Honeywell wireless not binding!!!

    Ok, I have the following
    Boiler
    Megaflow (from boiler not immession)
    Pressurised Heating System
    Controlled by a Honeywell wireless sundial pack 3
    Y Plan


    So at the moment to get hot water, the controller is set to constant, its connecting to a wireless honeywell cylinder stat thats sitting in my garage not connected to any cyclinder so its basically telling my megafow to be on all the time. The megaflow (i guessing but the internal stat) calls for the boiler when needed. The boilers comes on and off as water is used and temp drops in the cylinder. I know the controller should be doing this job, but honeywell don't support megaflow cylinders. And it is working, except not the way it meant to. For this to work it is relying on the wireless communications between the devices, and this has been failing recently for some reason. Most of the problems is with the room stat, but I can force the heating so Im not too bothered, but the heating is a bigger issue. I have contacted honeywell who are helping me fix the binding issues between the wireless devices, but if possible I would like the megaflow to operate constantly without the need to be told from a controller.... I would have thought this is possible as its pretty much doing it all by it self now, but maybe not as you guys know best. I hope thats cleared it up?

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    Default Re: Honeywell wireless not binding!!!

    What is perfectly clear Marty, is whoever installed your system, both the controls & the MEGAFLO CYLINDER did not know what they where doing.
    As the Law requires anyone who works on these un-vented hot water system to hold the un-vented / Part G ticket, we can not provide advice which would encourage you to break the Law & endanger yourself as well as the people around you. As others have said these thing can be very dangerous if you don't know what you are doing.

    So please, get someone in who is qualified, all I can say is you should not have a Y plan system (unless other valves are installed) & the internal Megaflo stats MUST be wired up correctly, Honeywell have already told you the two are not compatible, so take the advice.
    SimonG, Ermintrude and Masood like this.

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    Default Re: Honeywell wireless not binding!!!

    I understand what you're trying to achieve and it's possible but dangerous. You need to have both time and temperature control on your unvented cylinder.

    It sounds like you'd be better off getting someone who understands controls wiring to come and give your system a once-over, with wired stats rather than RF!
    GSR? Want gas safety or boiler repair advice? We will check out that you're genuine via the gas safe website, so please don't be offended when we ask for your details. DIYers, odd job people and have a go heroes need not apply.

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