outdoor reset

shawn laverty

is there any advantage to using outdoor reset for high temp zones as well as radiant on the same system do people often put one on for this applicatioin also what kind of outdoor reset would i use for say a burnham boiler.

Waylon Lowery

Regardless of the situation

I like to use outdoor reset on the boiler(s) and associated high temp zones. And I like to use outdoor reset on the radiant.

Alan(CaliforniaRadiant)Forbes

High temp. outdoor reset

Yes, outdoor reset still works if you have radiators or baseboard.

I would use a tekmar 356 injection mixing controller that would protect the boiler from condensation as well.

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Kal Row

A TEKMAR 510 stat is perfect for the radiant zones

besides the stat's internal room air temp sensor, you can also connect two remote sensors, - and the usualy way, is, to hook up a floor/slab sensor, and an outdoor sensor, - this way the thermostat has all the info it needs to do the right thing - and they make it in 2 stage heating and cooling, (512) - since you might want statge 1 to just turn the local zone circulator - to even out the temps, and the second stage to actually call for heat production - and for ac it can limit the compressor run times if it cools off outside - the stats also has short cycle protection as well a pre-wakeup temp ramp up features
http://www.tekmarcontrols.com/acrobat/d510.pdf

for readiant - you want such a themostate setup even if your boiler setup has it's own outdor reset