Question about Heating & Cooling
Some days AC indoor unit ice form what is reason? how to rectify the broblem
Several issues can cause this problem.
1st. not enough air circulating the evaporator coil meaning dirt filters or obstruction.
2nd. low refrigerant charge.
3rd. the out side tempurature maybe to cold, some units don't funtion well in cold climites.
Posted on Nov 22, 2013
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Posted on Jan 02, 2017
eventually ice freezing evaporator occured two factor you have
dirty fin evaporator and undercharge system.
1. undercharge can easily detected using clamp
ammeter clamp on one line of evaporator while running
read the amper the compare this to yuor service
manual the rated current of the compressor.
2.if the reading current is below the rared current on
manual or there is tag on the body of unit specified
rated current.your unit need to recharge.
if has the same current no change at all freon is still
good, this only need cleaning of eveporator fin.
clean this by pressurise water to purge out all debris
particle on fin tube of evaporator.
cracking sound usally made by blwer or fan
misalignement or distorted bearing blower .
regards have anice day dont forget to rate me.
Posted on Apr 10, 2009
SOURCE: ice formation in the indoor unit
you need to have the unit checked for the amount of freon in the system this must be done with a gauge set the freon amount is obviously incorrect
also the a-frame evaporator must be sealed in the furnace cabinet
Posted on May 28, 2009
the drain pan is either clogged or the unit is not mounted properly. If the drain pan is clogged simply clean it and the problem goes away. In the case of the unit mounting, check the angle of the unit and the drain pan inside, if it tilted to the front even just a little then water would leak. the drain pan should lean toward the drain and away from the front.
I hope this helps.
Posted on Jun 05, 2009
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