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  1. #1
    Join Date
    Jan 2002
    Posts
    13

    Question What are signs of low freon on heat pump?

    Are there symptoms or signs of low freon when heating with the heat pump?
    Long time to reach temp? Does not work? etc?

    I have tempstar 2200 12 seer heat pump

  2. #2
    Join Date
    Apr 2007
    Location
    Dallas TX
    Posts
    192
    how well did the system perform the last time weather was similar?
    the best indicator is freon pressures and current conditions.
    if still in doubt, call a local service company. better than giving your extra dollars to the utilities company.

  3. #3
    Join Date
    Jul 2001
    Location
    VA
    Posts
    2,801
    The best indicator is a competent diagnosis.
    ___________________________________________


  4. #4
    Join Date
    Jan 2008
    Location
    Hells Kitchen, Phoenix Arizona
    Posts
    318
    high superheat and low subcooling = undercharge(usually)

  5. #5
    Join Date
    Nov 2007
    Posts
    15
    Quote Originally Posted by DPSwitch View Post
    The best indicator is a competent diagnosis.
    Unfortunately, that is much more difficult than it sounds. It is very easy to get a diagnosis. A competent one, on the other hand, is very hard to find.

  6. #6
    Join Date
    Jan 2002
    Posts
    13
    THis is first cold spell of season and I cannot rember last year.
    I have very short term memory.
    The thermostat is set on 69. Temp outside is about 10 F.
    Temp inside is only about 66. Heat pump runs constantly.
    ONly time time tries to go up is during defrost cycle with emergency heat on.

  7. #7
    Quote Originally Posted by banks View Post
    THis is first cold spell of season and I cannot rember last year.
    I have very short term memory.
    The thermostat is set on 69. Temp outside is about 10 F.
    Temp inside is only about 66. Heat pump runs constantly.
    ONly time time tries to go up is during defrost cycle with emergency heat on.


    Outside temp is 10F. I wonder-Aw someone else tell him.

  8. #8
    Join Date
    Mar 2006
    Posts
    29
    I'm not telling him, I get in trouble everytime I mention a HP

  9. #9
    Join Date
    Nov 2006
    Posts
    25
    A heat pump in it's simplest form moves heat, if there is little heat outside it cannot move it inside, and keep you warm. So in other words the colder it is the less efficient these things are. Hope this helps.

  10. #10
    Join Date
    Nov 2006
    Location
    Oregon
    Posts
    853
    Quote Originally Posted by banks View Post
    THis is first cold spell of season and I cannot rember last year.
    I have very short term memory.
    The thermostat is set on 69. Temp outside is about 10 F.
    Temp inside is only about 66. Heat pump runs constantly.
    ONly time time tries to go up is during defrost cycle with emergency heat on.

    Every homeowner should baseline their system when it's known to operate correctly.

    Just record ambient temp, return air temp and temp at the outlet closest to the AH. Do this for several ambients in both summer and winter.

    This is obviously not perfect, but it does give you a basis to determine if your system is behaving correctly and may save a needless service call. (doesn't rely on memory).

  11. #11
    Join Date
    Oct 2006
    Location
    The Beach
    Posts
    689

    Hmm Little Heat

    You will have to have it checked to be sure the freon it low. If it is 10 degrees out side the system will run most of the time. Install new filters as ofter as necessary. Check all the outside doors and windows to be sure they are sealed off when they are closed. When the temperture get in the 20s and below they can not do very good in putting out heat. When the service man comes out ask him to check all the duct work and seal off any places that might be leaking. Clean the indoor and outdoor coils. Might even check the squirrel cage to make sure it is clean.I have cleaned quite a number of them this season.

    Hope For Warm Weather Soon
    Blue Fox

  12. #12
    Join Date
    Jun 2007
    Location
    Central, FL
    Posts
    871

    Thumbs down Wtf??????

    Quote Originally Posted by banks View Post
    THis is first cold spell of season and I cannot rember last year.
    I have very short term memory.
    The thermostat is set on 69. Temp outside is about 10 F.
    Temp inside is only about 66. Heat pump runs constantly.
    ONly time time tries to go up is during defrost cycle with emergency heat on.
    -----------------------------------------------------------------
    uhh they have a hard time heating at 40F degrees, lower than that the outdoor coil is going to freeze and keep tripping the unit into defrost.
    WARNING:IF YOU DON'T KNOW THEN DON'T DO, SO THOSE WHO KNOW WHAT YOU DIDN'T KNOW DON'T END UP UNDOING WHAT YOU DID SO IT COULD GET DONE RIGHT!

  13. #13
    Join Date
    Jul 2006
    Location
    south carolina
    Posts
    178
    Quote Originally Posted by davefr View Post
    Every homeowner should baseline their system when it's known to operate correctly.

    Just record ambient temp, return air temp and temp at the outlet closest to the AH. Do this for several ambients in both summer and winter.

    This is obviously not perfect, but it does give you a basis to determine if your system is behaving correctly and may save a needless service call. (doesn't rely on memory).
    the most excellent advice i have heard in a long time. very good
    Two Hydrogen atoms met one day. One said to the other "I've lost my electron". The second said "Are you sure?" The first said "Yes, I'm positive".

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