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Delta T ?
alotlikeearl
Member Posts: 68
I know the recommended delta t for baseboard is 20 degrees and radiant floor is 10 degrees; what is recommended for cast iron radiators and cast iron convectors?
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Comments
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What Works
Depends on the application. Condensing boiler would use a Taco VDT pump and work off a 30 if the math works out. Might do the same on a cast iron boiler depending on whose it is. Am I using outdoor reset on the system?There was an error rendering this rich post.
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Thanks Chris,
I have quoted both a modcon and a cast iron boiler. If they go cast iron I probably would not use outdoor reset and just let the "VDT' circulator do its thing. This system has 4 zones total; 1 cast iron radiators, 2 cast iron convectors and 1 baseboard. I was hopeing a common delta t would work so I could use 1 "VDT" and zone valves.0 -
Only Way
To anwser that is to take your room by room heat loss, break it out to the zones and do the math. Can I overcome all zones heat loss running a 30?There was an error rendering this rich post.
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