I have a LUX 1500 series thermostat, my existing wiring is Red, White, Green and a light blue ( total 4 wires ). Also my home is gas heat forced hot air / with a central air cooling system. Current problem, I have heat, but no ac. I don't believe I wired correctly, and don't know if I need a...

Unsure what wires to match up the B-blue wire & D-purple wire from the Ruud heat pump to the Tstat. Any help is greatly appreciated.

I am trying to put in a Lux TX1500E thermostat, replacing a trane weathertron. I have a humidistat attached that will control the thermostat. The trane wiring is: g-green, o-orange, x2 looped to u, y-black, t-brown (humidistatwire), r-red (humidistat wire), w-white, u-looped to x2, f--empty,...

I have a lux 1500 thermostat. When I turn the heat on, I hear it starting up but there isn't any heat coming through the vents. At 1st Filter was flashing on the thermostat so I replaced it. I also replaced the batteries. I t worked well for about 5 minutes then nothing. I turned it off then back...

I have a Janitrol A/C and heat pump system. I replaced the thermostat with a Lux T9000LC The A/C works fine, but the heater does not. I have it wired as follows: G - Green Y - Yellow W - White RH - Pink B -