I'm Trying To Replace My Existing Tremastat It Is A Heil And I Purchased A Honeywell Model Rth7400 My Existing Wiring Ia White, Blue, Black, Orance,green,yellow,red Wires. When I Look At The Diagram On The New Stat It Doesn't Tell Me Were To Put All Of The Wires And It Doesn't Work My Unit Is A Heat Pump. With Aux And Emergency Heat. The New Stat Has Aux, E, L,c,g,y,o/b,r,rc