Google Nest Blowing Hot Air On Cool - For instance, you may notice your system is always on, it wonโt turn on, it turns off and on repeatedly, or it makes strange noises. The reason why you had trouble with the fan on your hydronic fan coil/air handler is because your thermostat was set to control it as if it were a gas furnace, which determines for. From what i can tell, i don't have a heat pump. It doesn't have a ob wire, so. Would blow hot air in cool mode and blow cool air in heat mode. What i had to do was go into the settings for the heat pump and change b to o. Or it could be the other way around.
For instance, you may notice your system is always on, it wonโt turn on, it turns off and on repeatedly, or it makes strange noises. The reason why you had trouble with the fan on your hydronic fan coil/air handler is because your thermostat was set to control it as if it were a gas furnace, which determines for.