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back2space
14-02-2010, 02:39 AM
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?

nike123
14-02-2010, 11:20 AM
What model of indoor unit are you referencing?

back2space
14-02-2010, 12:52 PM
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.

nike123
14-02-2010, 01:35 PM
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?

back2space
14-02-2010, 09:32 PM
Single split system or VRV/multi?

Its a single split system.

Brian_UK
14-02-2010, 10:39 PM
Manual here but still haven't identified purpose..
http://www.3dair.co.uk/DOWNLOADS_may07/Service_manuals/Service%20Manual%20FDA%20series%20splits.pdf

Have a feeling that it might be indoor fan OFF when coil get too cold???

nike123
14-02-2010, 10:50 PM
It should be described in instalation manual.

back2space
14-02-2010, 11:32 PM
Manual here but still haven't identified purpose..
http://www.3dair.co.uk/DOWNLOADS_may07/Service_manuals/Service%20Manual%20FDA%20series%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?