Raise the set temperature 5 degrees F. and then wait a few minutes for the heat to come on. A more common mistake (and the one he made!) Also be aware that the heat pump will have to work harder to produce heat when in defrost mode and/or when it’s particularly cold outside. 3) Confirmed settings on thermostat. HT. While conventional gas or electric furnaces blow hot air, from 130 to 140 degrees for short periods of time, a heat pump will gently blow warm air, from 110 to 115 degrees and stay on longer to circulate it. When I set it up less than 82 , … So, let’s see how you can fix it easily. However, today it warmed up and so we turned the A/C on—but we only got more warm air coming out of the vents. There are a few reasons why during the AC mode the heat is coming from your system. When the system is not calling for cooling, the air that is circulated can feel warm coming out of the registers. 9 steps to troubleshoot a blinking “cool on” indicator. It will also need to be replaced by a technician. Installed RTH6580WF but only getting heat and not AC. This Filterete has WiFi which I want to use for remotely control through my iPhone. It has more switches to control emergency … The frozen part is the evaporator coil, which can block the cool air flowing into your home. The air could be warm but still feel cool. When your ductwork leaks, it … Wiring for Honeywell RTH7400 and hot air blowing instead of cold. Heat Pump Thermostats - To the average person a heat pump thermostat can be a very complicated thermostat compared to the typical thermostat which serves an air conditioning system with gas, electric, or an oil furnace. Check to see whether it’s your blower motor or the whole furnace system that’s running non-stop. We have a Honeywell VisionPro (8000) thermostat with a Carrier heat pump that has two stages for heating and cooling. Auxiliary heat should only come on if the temperature in the space is 4° F or more than the setpoint on the thermostat, if there are multiple stages of heating, or it’s so cold outside that a … I have Honeywell proseries thermostat . So I went back into setup and chose option 0(Heat/cool: gas,oil or electric heating with central air conditioning). I just tried to upgrade my stat in our studio to wifi, but when I did, it only blew cold air. Be sure to follow your manufacturer’s instructions. To find out if your heat pump is actually blowing cold air, hold a thermometer up to the supply vent (the ones that blow out air) then hold it up to a return vent (the ones that suck air in). RTH Programmable Thermostat Operating Manual ESbook Page -1 Thursday, Novem PM. 1) Wired per the wiring of my old thermostat. Set the thermostat's system switch to the right, or heat, setting if the unit is fitted with a sub base. The system should start blowing hot air. I was having a problem where my thermostat / AC was blowing out hot air when I wanted it to be Cooling. That means that only when air is hot, the furnace blower will blow it inside your home. Heat or Cool is the most recommended thermostat settings on weekdays. The air filter in your heat pump can cause major issues. The new thermostat blows cold air … Installed new thermostat, now A/C is blowing hot air! Your AC worked fine all summer long cooling your home. With the fan running constantly, cool air will come out whenever the set temperature is reached, and will continue to come out until the heat turns on. If you have a heat pump, use up arrow button to set this to “ HP1 ”. It seems to keep blowing cold air until the house drops a degree below the indoor thermastat setting. I connected everything according to the previous thermostats wire diagram and appeared to be correct according to nests diagram. Turn on your fan mode. Contact Support at 1-855-733-5465 to find a pro-installer in your area. The same thing goes for heat pumps and electric space heaters blowing cold air. This is a mechanical thermostat, so there aren’t any complicated setups, mobile apps, or touch screens to learn. Duct Leak. (Overfilling can also affect performance, so don’t attempt to D-I-Y.) Old T-stat: Bryant TSATBBNHP01B. When disconnecting the wires, I forgot to note which between the white, blue, and brown wires went with what letter. This is plenty warm to heat your home to your desired 72°F. I even tried that mode (i.e. The other morning it was 2 degrees F and the HP was quietly working in HP mode providing warm air at the registers. 4) Switched valve switch option just to try it (more heat) 5) Tested the green wire in the o spot to see if the fan operated properly, it did. Check the heat pump if you have one. This is one of the most common calls we get during the summer. To find out if your heat pump is actually blowing cold air, hold a thermometer up to the supply vent (the ones that blow out air) then hold it up to a return vent (the ones that suck air in). But it is definitely still heating your home. If your heat pump still doesn't work correctly after a few minutes, continue to step 3 below. O/B and Y control your first stage heating for heat pump systems. Malfunctioning thermostat: The thermostat may indicate that it has turned on cooling mode, but if the thermostat has lost its connection to the unit because of loose or frayed wires, then nothing that you do with the setting will change the heat pump out of heating mode. However, if the air is cold, then you’ll want to check to see if your thermostat is set to the “on” setting. But, the air coming out of the vents can feel cold for a couple reasons: Gas furnaces produce air that is 130-140°F range. If your heat pump still doesn't work correctly after a few minutes, continue to step 3 below. At Temperature Scale (°F/°C) settings, press Next. Step 2: confirm that the problem is in the thermostat or its wiring Forced Warm Air Heat Won't Stop Old tstat had Y, RH (with jumper to RC), W, and G wires. The connections were easy to match up with the proper connectors but when I try and get the AC to turn on I get hot air. Airhandler: FA4ANF030000AFAA. If your thermostat is newly installed and the heat pump worked for cooling with the previous thermostat, check the following: 1. My heat is not blowing hot air until I set up the thermostat to 82 . The last thing you need to worry about during the winter is a malfunctioning heater. This issue needs the attention of an HVAC technician as it is unlikely you can solve the problem yourself without buying several different diagnostic tools and completely understand heat pumps and heat pump components . Feel the temperature of the air blowing from the vent. When that happens, continue to the next step. Honeywell RTH9580WF1005 Thermostat Blowing Hot Air. Make sure the system is not calling for Cooling by setting the setpoint several degrees above the room temperature. Dead blower motors, damaged evaporator coils, and dirty pipes can keep your Honeywell thermostat from working properly. Why is my truck blowing hot air on one side and cold air on the other? Need help, any idea? Repeat steps 1 to 3 for Cool mode. AUTO (select models only): The thermostat controls either your heating or cooling system, depending on room temperature. The manual states that only in the heat pump mode, I can set the reversing valve. The thermostat is set to cool but the unit is blowing hot air. It will be running a Carrier Tech2000 Heat pump/AC unit. Change the O/B wire settings. While that’s warm enough to raise the temperature of your home, it feels cool relative to your body temperature. The air coming from your supply vent should be anywhere from 15-30 degrees hotter than the air near your return vent (depending on how cold it is outside). Next, if your thermostat runs on batteries, check those to make sure they are not week or dead. For this, you will have to press the “Set Schedule” button. And, in cold weather, heat pumps tend to blow warm air out at 95°F. Problem: Replacement thermostat blows warm air for AC. If your ducts have cracks or … Next, check your outdoor unit is not iced over (see Heat Pump Troubleshooting Problem #1). 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