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Anyone using the Uponor ADS software? If so I got a question
I was working on a heat loss for a friend using the ADS Software, his build was tall ceilings a bit of glass and R19 walls, quality windows. When I got to the construction quality settings, I put in best. Here is where I am a little perplexed. After plugging in all the heat loss factors the project called for plates, and a temperature of 110 at -20 and 20mph winds. Ok no problem, thats what I did, sadly at -20 (which we had for 2 weeks on and off, more on) it didn't keep up.
I had the system at no setback, no ODR, after turning the water temp to 135 it maintained the temp but wouldn't climb any higher. Water going out 135 coming back on all zones 125. Plenty of boiler, piping arrangement is correct.
After this I went back in and looked at construction quality and changed it to average, then my water temp with plates was 168 and needed supplemental.
Why is there such a vast difference when it comes construction quality on the program? What are the factors that make up that setting?