I am just starting out designing my own system - oil condensing boiler, wood stove, solar thermal, connected to a thermal store. I am a complete novice, but I am trying to get my head around it all! Please tell me if I am off my trolley!?!?
I have started looking at control systems... and I understand that general opinion seems to be that weather compensators don't make any sense because the boiler starts when the tank is cool and carry on until the whole of the tank is at full temperature, and for that in between period you can use a thermostatic blending valve, taking water from top and bottom of the tank, to get the optimum return temperature for the boiler.
However... I think I might have found a valid use for a weather compensator - But NOT by connecting it to the boiler, but rather by connecting it to the radiator feed FROM the thermal store. I don't know whether its possible... BUT... If you could control the blend temperature flowing from the thermal store to the radiators (again by combining two feeds one from top of tank one from bottom) and blend down to whatever temperature the compensator thinks is necessary, then surely this would be a good way of using a weather compensator to avoid unnecessary depletion of the heat in the store...?
Please tell me if you think I am off my trolley, and hopefully add why you think that?
I have started looking at control systems... and I understand that general opinion seems to be that weather compensators don't make any sense because the boiler starts when the tank is cool and carry on until the whole of the tank is at full temperature, and for that in between period you can use a thermostatic blending valve, taking water from top and bottom of the tank, to get the optimum return temperature for the boiler.
However... I think I might have found a valid use for a weather compensator - But NOT by connecting it to the boiler, but rather by connecting it to the radiator feed FROM the thermal store. I don't know whether its possible... BUT... If you could control the blend temperature flowing from the thermal store to the radiators (again by combining two feeds one from top of tank one from bottom) and blend down to whatever temperature the compensator thinks is necessary, then surely this would be a good way of using a weather compensator to avoid unnecessary depletion of the heat in the store...?
Please tell me if you think I am off my trolley, and hopefully add why you think that?