Outside unit 3 ton Trane XL19i, Inside unit 040 Trane Variable Speed air handler. Stat is 302C 2-stage. No humidistat. in cooling, air handler seems to run at 100% regardless of Y1 called for vs. both Y2/Y1. Shouldn't it ramp up/down 50-80-100-80-50 right?
DIP 5/6 "On".
LVTB has W1-W2 Jumper and R-BK jumper. Is R-BK jumper correct for Comfort-R? Another Jumper (R-O or YLO-O needed?)