Question about Heating & Cooling
About a month ago I had to take apart the out side unit fan and clean it, it got stuck, its working now. a week after i started hearing a noise every time the blower shut off, like the vents scratching the corners. We got it out and some how the vents got loose on the shaft and was cousing free wheel motion. also cleaned the outside coil, cheked freon (ok), air pressure, (ok). now the noise is gone but it still not cooling the house properly. there is no ice... although its summer and temperture during the day out side its over 91° to 100° the system its usually stopping around 4:am and it comes back up around 10am.
Did you fix the problem with the fan. Some times the placement of the fan blade up or down influences he air flow. May not be moving enough air across the coil. Sounds like it is over heating the compressor. To much amperage. You also may be losing conductivity of the condensor. When they get ols the fins go bad and loose conductivity. Also check capacitor it may be weak and causing compressor to pull to much amps. The capacitor starts the unit and also lowers the running amps by pulling the start windings in phase with the run winding. Russ
Posted on Jul 18, 2009
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Posted on Jan 02, 2017
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Here is the basic idea on how to keep the
refrigerator, air conditioner, or vacuum cleaner to work properly. Air is moved
by an electric fan or blower in order for that product to work properly. If air
movement is blocked the fridge won't get cold, the central air conditioner
won't cool enough, the vacume cleaner won't clean as well. Check on your
fridge's air movement by inspecting the bottom of the fridge for dust and cob
webs. Remove the front bottom clip-on plastic grill. Or also even access the
lower back of the fridge by removeing
the screws holding up the heavy cardboard cover to see inside. Blockage
of air flow will prevent a fridge from getting cold. Just like a vacuum
cleaner stops working when the bag is filled with dust and fibers. The air could be blocked by the accumulation of dust and
fibers. Look under your fridge if it is
cloged, it will look just like the stuff on a dirty central air filter.
Dust and fiber buildup blocking the fridge's air
movement from back to front (or visa-versa) of your fridge will slowly (years)
prevent how good it cools. The build-up of dust and cobwebs prevents your
fridge from cooling (more specifically prevents the heat to disapate
from the metal heat disipating fins
attached to the metal tubes to be blown off by the fans air). OK! Remedy
for a vacuum cleaner REPLACE THE CLOGED VACUUM BAG.
Remedy for your fridge manually REMOVE THE
CLOGING DUST AND FIBERS FROM UNDER YOUR FRIDGE. SORRY fridge
manufacturers do not provide a dust filter like the vacume cleaner and central
air systems manufacturers do. You have to figger out
the best way you can clean it. Possibly vacuum with a crevice tool, or use
a small brush than vacuum. The extreme would be unplug
the fridge ( so you won't get electrocuted) bring
a water hose into the kitchen and spray water at cobweb buildup at the bottom
fridge, than wet vac the floor then wait
20 minutes to dry before pluging the fridge back into the electric outlet.
When you stand in front of your fridge and you hear the fridge electric motor turn on, the fan will blow air.The fridge
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