The Efficient Home Forum

Hi,

Excuse me for my poor english, it's not my native language..

I think we have a pretty basic boiler setup: It's a cast-iron floor standing model. When the thermostat relay closes, it starts the boiler's circulation pump, and starts to heat up the water to the max temperature set on the boiler ...

bump..

Hi techs,

HCA30: Window contact for HR92

Is this contact closed when the window is closed (= next to the magnet), or just the opposite?

Thanks for the update.
I could solve the problem on some valves by setting the parameter 6 to '1'.

On the other valves I found out that I had screwed the adapter to hard on the valve: removing the thermostat and turning the black wheel revealed that the valve wouldnt open at all... Unscrewing the ...

Hi,

Can anyone explain me what exactly parameter 6 (Setting the valve stroke) is used for?
I just installed HR92's on radiators equipped with (20yr old - but in good working condition) Danfoss valves, replacing motorized stand alone thermostats.

My first (subjective) impression is that there is ...