Cold is good but frozen is bad!!?!!

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  #1  
Old 09-15-02, 06:18 PM
emtabmm
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Cold is good but frozen is bad!!?!!

Help!! I am a new homeowner of a manufactured home 5 years old. For the first time we shut the a/c off and opened windows for a day. When we restarted the a/c 24 hours later, we noticed that it did not seem to keep up. Now 3 days after, we find that the tubes going into the outside unit have frozen and all the coils inside the house are frozen also. What happened? Any help would be great!!!
 
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Old 09-15-02, 06:24 PM
hvac4u's Avatar
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freezing up

generally one of two reasons. either loss of airflow (dirty filter, bad motor, clogged evap, blocked vents) or low refrigerant charge
 
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Old 09-15-02, 06:32 PM
emtabmm
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would both inside coils and outside pipes frozen for same reason?
before we restarted unit we had vacumed foam filter on top of inside unit and added a filter. it looked like there had not been one there before...
 
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Old 09-15-02, 09:27 PM
bigjohn
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Yes, the outside tubing would be iced for the same reason. I'm a little unclear, are you saying you've added a second filter or the unit has been running without a filter? If you added one, it may have cut down the airflow just enough to cause the unit to freeze up. If it's been running without a filter, then the cooling coil probably needs cleaning. If you continue to run the unit where it keeps freezing up, you'll damage the comprrssor. $$$$
 
 

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