I would consider the Carrier lo/hi fire; natural gas fired hi efficiency furnace with a two stage Air Cooled Condensing Unit. You may wish to go with a 4 ton ACCU and a 4.5 ton evap coil. That way you can match a lo heat model with a hi A/C model, still maintain efficiency, and you will have one...
.4" static appears quite high. To what are you comparing this to?
If we are talking OA pressure vs builidng pressure, then perhaps you may be looking at .04"WC?
If you are considering .4"wc, then you best have reinforced windows and doors.
The internal static presure compared to...
I am trying to locate information on controlling two frequency drives (one on each) of two Trane Intellipak Roof Top Units. The current situation of them being seperated causes one fan to "overcome" the other, i.e.: 70% compared to 30%. What is the best way to resolve this issue -...
