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Posted

I'm looking at replacing a couple of rads with fan coils for when we get a heat pump installed in November. 

 

Our plan is fully open loop system with UFH downstairs and rads / fan coils upstairs. Heat loss suggests the highest flow temp I will need is ~35 degrees c and plan to modulate flow based weather comp. 

 

However, it seems like fan coils (Panasonic and Cool Energy Reverso) have a min flow temp of 35 degrees to turn on. Can't get a straight answer from manufacturers if that's when using the fan coil thermostat, or if it can be manually overridden to just run the fans on low no matter the incoming water flow temp. 

 

Anyone got any experience or advice? 

Posted
34 minutes ago, mistake_not said:

Panasonic and Cool Energy Reverso) have a min flow temp of 35 degrees to turn on.

Get the manual downloaded, many have adjustable temps for cooling and heating. Don't ask read the installer manual. We have a Myson iVector MkII, it allows for adjustment of the flow temp to start stop the fan.

 

You can manually put fan on a fixed speed but then you don't get a modulating output.

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