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Radiant heating
Andy Morgan_2
Member Posts: 147
What is the most cost effective way to control three seperate rooms off of one manifold? I would like to use floor sensors tied into the telestats on the manifold, but I am not sure of what control to use. The radiant is just for floor warming.
Thanks
Andy
Thanks
Andy
0
Comments
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How many loops per room? If it is one loop per room that is easy with manifold mounted telstats. I wish someone would make a manifold splitter that would allow several loops on one manifold port. Here is one idea I had.
If not you would need to wire a number of telestats together to operate several loops.
I use a basis setpoint control for floorwarming. Goldline, Ranco, Johnson Controls, Heat Timer, and others make inexpensive digital ones. Go for one with an adjustable differential. I mount them in the mechanical room to allow the homeowner acess to them for fine tuning, should the be inclined
hot rod
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Stadler makes
a Y fitting to split one manifold port into two loops.
kf
0 -
Peace of Cake
If your using Wirsbo, bring your loops back to your manifolds, then using telestats on each loop wire them in series their for each zone/room to either their 3 or 4 zone control module. Use their setpoint control as your therm. This will allow them to all open and/or close at the same time. If you can get ahold of their CDAM the wiring diagram is in there This is a very simple wiring and piping scheme.0 -
Expensive cake
Lets say you have 4 seperate zones. Each zone has 3 loops. You would need 12 telestats and a large enough transformer to power them. At $40.00 a pop = $480.00
Or you could use a spliter, if the gpm requirement is in line with the manifolds branch capacity. 3- telestats $120.00
Or three off the shelf zone valves for say $60.00 each = $180.00, with copper or brass manifolds with the correct number of ports.
I will say the brass or stainless manifolds with rows of telestats look nice, either method will serve the purpose.
hot rod
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Flow direction
Does it make a difference to the operation of the telestat valve if the flow is going the other way? Danfoss TRV's will chatter and moan. I've never tried doing anything different with a telestat type valve.0
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