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  1. #1
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    MHI Controller advanced menu



    Hi there

    Can anyone advise what the following option for the indoor unit function in the advanced menu of the MHI Controller means?

    It is labelled as "Freeze Prevent Temp" and the option are Hi or Lo.

    There is another option that says "Freeze Prevent Fan Control" and options are on or off... this is obviously for the fan control in freeze mode?

    However not sure what this freeze prevent thing means?



  2. #2
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    Re: MHI Controller advanced menu

    What model of indoor unit are you referencing?

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    Re: MHI Controller advanced menu

    Quote Originally Posted by nike123 View Post
    What model of indoor unit are you referencing?
    I dont know for sure the exact model number but its a ceiling conceiled ducted unit about 5.5kws.

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    Re: MHI Controller advanced menu

    Quote Originally Posted by back2space View Post
    I dont know for sure the exact model number but its a ceiling conceiled ducted unit about 5.5kws.
    Single split system or VRV/multi?
    Last edited by nike123; 14-02-2010 at 01:47 PM.

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    Re: MHI Controller advanced menu

    Quote Originally Posted by nike123 View Post
    Single split system or VRV/multi?
    Its a single split system.

  6. #6
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    Re: MHI Controller advanced menu

    Manual here but still haven't identified purpose..
    http://www.3dair.co.uk/DOWNLOADS_may...s%20splits.pdf

    Have a feeling that it might be indoor fan OFF when coil get too cold???
    Brian - Newton Abbot, Devon, UK
    Retired March 2015

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    Re: MHI Controller advanced menu

    It should be described in instalation manual.

  8. #8
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    Re: MHI Controller advanced menu

    Quote Originally Posted by Brian_UK View Post
    Manual here but still haven't identified purpose..
    http://www.3dair.co.uk/DOWNLOADS_may...s%20splits.pdf

    Have a feeling that it might be indoor fan OFF when coil get too cold???
    There already an option for this:

    Its option number 8 on the indoor unit function menu page 39 of the book.

    Fan Control (heating fan control) LOW FAN/STOP-LOW FAN

    So you can see that this freeze prevent is something else?

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