I recently had three new trane sytems installed in my house with Honeywell Prestige thermostats:
(1) xl20i - 5 ton
(1) xl20i - 4 ton
(1) xl16i - 2 ton
I understand that because these are two stage systems, I could expect to need to set the temp a little higher due to dehumidification process of the system. Instead, I am seeing the exact opposite. My daughter has been complaining that the carpet feels damp and my wife never seems to get comfortable (imagine that!). Yesterday, the outside humidity showed 39% and the inside humidity showed 72%. The contractor came out and charged one of the systems because he said it was a little low. This helped a little but the humidity inside is still in the 60%'s. The more the system runs, the more the humidity climbs.
I don't mean to sound like Captain Obvious but the system doesn't seem to be working properly.
Are there compatibility issues with the Trane xl20i and the Prestige thermostat?
Are there special settings required to make the systems work properly? (for example, I see a "dehumidification equipment" setting in my owners manual but my thermo is set to "none". I am not sure if the thermostat must instruct the system to dehumidify or if the two stage systems do it naturally regardless of the thermo settings.)
Any insight would be appreciated. I didn't get very far with Trane or Honeywell customer service as they directed me to the dealers for technical help. That is where I am getting the "head scratching". I am convinced this is an installation issue since it is happening on more than one unit.