Hello,I just installed my ;Filtrete 50 today. I have a Bryant heat pump and installed the W, G, R and Y wires as were in the old thermostat. There also was a blue wire in the C position that I hooked up to the C terminal on the new thermostat. In testing the system , I am getting cooling no problem but am not getting heat. In the heat mode, cool air continues to flow. The R and W wires are both related to heat functions and they are both connected as they were. Can someone give me some help so that I can get my heat flowing. I have tried both heat mode and auxiliary .