Question about Heating & Cooling
Posted by Anonymous on
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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
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