i just installed this, 1 stage geo-thermal (mammoth 4.5 ton)
1.the heat works well with a delta T of 33, but my back up electric will not come on, the furnace tech a week before could not get it to work so it could be that its just bad, I did not know where the L lead was suppose to go, i put it on the L/A in the EIM ??
2. the AC works fine with delta t of 17
3. is there a way to see how many minutes/ hours the system is running? that was one of the main reasons i got this thing, since we dont have internet here. i can't find a counter for this anywhere