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Re: what coul b the problem
If it is not coming on at all, check the breakers and power supply first, if it has power then the probelm could be in the controls. If the breaker or fuse is tripped/blown and will not reset or hold the fuse then you have problems with one of the components in the system
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AC means "air conditioning." If the AC icon is showing on your thermostat it means that your air conditioning is activated and should come on when the temperature threshold you've set on the thermostat is reached.
For example, if you've set the temperature level to 78 degrees, when the house temperature goes above 78, usually by about two degrees, the air conditioner should cycle on to cool it back down to 78 degrees at which point it will then turn off.
This information should be in your air conditioning/heating system or thermostat owners manual. If you don't have the manual, you should contact your air conditioning dealer or your builder to secure a replacement. The manual is essential for proper operation and maintenance of your system.
Let see if I can help. The numbers don't come up so we'll just try your information.
Exhaust - should be closed when using for Air Conditioning Energy savings turns the fan off with the compressor when set for Air Conditioning Fan Only means just that (no Air Conditioning) Fan speeds Quite same as low, Norm same as medium, Super same as High Temp settings, what the thermostat senses before cycling compressor.
If the circuit breaker is not tripped (and you have line voltage to the unit) - and your inside blower motor is running - then your problem is with the thermostat/or the wiring from t-stat to outside unit.
Could it be you don't have the t-stat set on "cooling," or possibly not set at a low enough temperature to allow the unit to be turned on? Note: your t-stat must be set 'below' the inside temp, i.e. if the room temp is 78 degrees - you must turn the selector to below 78, i.e. 75, 74, so on.
Check your low voltage wire going to the outside unit - usually a thin brown wire which encases 2 smaller wires (usually red and yellow) that goes to the 'starter relay' inside the outside unit. Make sure a dog hasn't chewed it in - two - or someone hasn't cut it with a weed eater. If this is the case, turn the t-stat to off, and un-plug the inside unit (furnace) and splice the wires back together.
You can do this fairly easy with a pair of cutters and if the wires are 'color coded' you will know which wire(s) to splice back together. Note: this is 24V wiring but still you should make sure power is off - because 24V can zap you sometimes - AND you want the power off so you don't 'cross' the wires and short out the transformer.
There is a chance that the thermostat is bad - but it is not likely, and in any event you'd probably need a serviceperson to diagnose this.
Maybe turn selector switch to off.see if every thing shuts off.if yes. turn FAN selector switch from (auto) to (on) mode.does the outside unit come on or does just the furnace blower only run ? the inside fan should be the ONLY thing on.if not, reverse the (G) & (Y) wires inside the new thermo.
DEGAUSS IS INTERNAL AND ONLY WORKS WHEN THE SET IS FIRST TURNED ON. YOU WILL HAVE TO OPEN THE SET AND EITHER SOLDER THE BURNT CONNECTION OR REPLACE THE THERMISTOR. THE DEGAUSSING COIL GOES AROUND THE OUTSIDE OF THE TUBE(INSIDE THE SET) 2 LEADS AND PLUGS IN CLOSE TO THE AC LINE CORD. IT IS CONNECTED THREW A TEMPERATURE COMPENSATING RESISTOR THREW A RELAY DIRECTLY TO THE A.C. LINE INPUT FOR ABOUT 2 SECONDS WHEN THE SET IS FIRST TURNED ON.
If this is a central ac unit. Check breakers. Turn on ac and see if outside unit is running. If you have float switch inside check the drain. But there is only so much you can do without knowledge of ac. You may need to call a service tech but ask for free estimate.Russ
Intake brings the air outside into your room, exhaust pushes the air inside your room out.
What setting you use depends on your personal taste of temperatures and the temperature inside vs outside. If you set the thermostat to 72 degrees and it is more than that outside then I would use the exhaust setting. If you set it to 72 degrees, and it is 68 outside but 84 inside then I would set it onto intake to cool the inside air.
No! You will not likely find any service on a product which has very little value. Frosting will sometimes happen if the outside temperature is to low. The outside ambient temperature is directly related to the pressures inside the refrigerating system. The lower the outside temperature is the lower the pressures will be in the cooling end of the air conditioner. In mechanical refrigeration pressures and temperatures are directly related.