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on the remote control press mode button until u see the icon of the sun. then raise your temperature setting to the desired degree. there is a 3min delay from going from a/c, dehumidify to heat. temp will rise in the indoor unit. fan speed will be slow until it hits 90* across the evap coil then it will start ramping up in speed as temp rises.
on a call for air conditioning your therrmastat brings the indoor fan on and the out door unit at the same time. Since your fan comes on in "fan" mode, it sounds like you need a thermastat. For temp. cooling just turn your fan switch to "on" and turn system switch to cool and set desired temp. System will cycle off and on but fan will not shut off until fan control is set back to "auto". I suggest replaceing thermastat
The thermostat needs to be set for AUTO. If you have it on auto and the fan still goes even though the heater is off then you probably have a stuck fan limit. The limit has a long probe which goes n the plenum. As the heat builds in the plenum at the start-up of a warming operation the bi-metal inside that probe slowly twists around till the temp inside is 110 degrees, the fan comes on and we have warm air in the vents. Then when we have a cozy house the heat shuts down. The fan keeps a going till the heater cools down and the bi-meta twists back around and shuts down the fan. So what goes wrong? The bi-metal simply gets hung up in that position. Tapping on the dial will sometimes release it but it will keep occurring and become aggravating. These limits come in various sizes and brands but this is the most common one. If your machine is a newer model then that control board has a fried or stuck relay on it.
Your thermostat has AUTO and MANUAL for fan Make sure it is set for AUTO. If it is set for AUTO and the heat is off and cooled down AND the fan still runs then that will be a bad relay. If yours is newer then the board will need to be replaced. If yours is an older model you may need to replace the fan and limit switchThis mechanical switch works on rise in plenum temp. It turns on the fan a around 110 f and it shuts down the fan at 90f. Newer furnaces use timers and relay on the IC board.
It sounds like there is a problem with the blower....either the motor itself, the capacitor, a wiring problem or a control problem. If there is a warranty on the unit, have a tech check it out for you.
it is normal for the system to run on its own without being turned on...the compressor motor needs to cool down and will run in an unloaded state. feel the back of the unit while its running and you will notice the amount of heat the motor generates. let it run.
Setting Unit at 70* ? and not cooler ( dropping temp in the house ) Question ? does temp dop at all, if so the Unit maybe unsized, if the temps are going up then the unit is not working at all - maybe just the fan is running. If this is a split unit ( outside unit / furance). A number of things could cause the same problem - call a sevice company. it could be anything -from a Breaker to an electrical part, split Units have to different breakers ( fuse) . Check that first