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  1. ok as the room temperature approach 70F, the...

    ok
    as the room temperature approach 70F, the liquid line temperature is 35.3C, hot gas pipe is 74C, outdoor temperature about 53 to 55F.
    supply vent 95F

    the problem I used to have before was...
  2. can lineset temperature tell the health of heat pump in heating mode?

    I bought two $3.66 Chinese 12v dc thermostats from ebay that has temperature probe, and I wrapped the each probe to liquid line and hot gas line in soda can sheet, and use electric tape to wrap it in...
  3. Replies
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    here is an update, this heat pump has been...

    here is an update,
    this heat pump has been running for over a year now and no problem with running heat mode in warm weather.
    I think the root cause of high pressure switch tripping was due to...
  4. the system is a Gibson 4 ton, Outdoor:...

    the system is a Gibson 4 ton, Outdoor: JT4BD-048K, Indoor: C7BAM048C-C, located in basement, one system serve all 3 floors, 3600 sq ft. basement is unfinished.
    thermostat is in the middle of 1st...
  5. based on the thermometers I have on each floor, ...

    based on the thermometers I have on each floor,

    basement low 71F, high 74.5F
    1st floor low 74F, high 74F, RH range 40% to 50%
    2nd floor 75F to 77F

    temperature seems to be at lowest at the...
  6. two story colonial with basement, 1200 sq per...

    two story colonial with basement, 1200 sq per floor. 19ft high foyer, 4 bedroom with ceiling fan rough in, 2 full bath with recess light and exhaust fans on 2nd floor,
    attic access is in master...
  7. relation between attic temperature and AC

    looking at my remote thermometer in that I placed in attic, it registered peaked at 114F and low 69F in attic yesterday,
    weather.com observed yesterday (Monday 7/7/2014) outdoor 92F and low 73F.
    ...
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    330

    oh, and recent year, I've seen more cracks on...

    oh, and recent year, I've seen more cracks on drywall between wall joints, one of my bedroom door can not closed, probably the foundation has finally settled.
  9. Replies
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    330

    the unit was installed on jan 2013. vibration,...

    the unit was installed on jan 2013.
    vibration, yes, installer gave me the 4 rubber pads
    cracking sound, no,
    heard the similar popping sound when someone use the hot water 2nd floor bathroom, ac...
  10. Replies
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    330

    I am pretty sure it is the outdoor unit itself,...

    I am pretty sure it is the outdoor unit itself, last winter I've even have to put some flexible silicone around all the outer shell/casing to prevent loud metal sheet rattling noise.

    I also heard...
  11. Replies
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    330

    anti-vibration rubber

    my gibson 13seer 4 ton heat pump is directly attached to the outside of basement wall with metal bracket.
    during this past winter, when I sat on the chair, indoor, and next to the wall where this...
  12. 498371 498361 here is some data from my unit I...

    498371
    498361
    here is some data from my unit
    I raised the indoor target temperature to 79F and AC turn on at 81F.

    so far it ran twice today, cycle 1 around 4:16pm and cycle 2 around 7:30pm...
  13. [QUOTE=udarrell;18542871] the builder...

    the builder originally installed a 10 seer 3.5 ton AC only, and last year, I replaced it with a 13 seer 4 ton heat pump due to raising cost of propane.
    I wanted more heating than cooling from this...
  14. this house was built 9 years ago, exterior walls...

    this house was built 9 years ago, exterior walls are R19, tyvek wrapped on 1st and 2nd floor, vinyl sidings. basement is unfinished, has precast superior wall with r5 Styrofoam, front half...
  15. the RH reading is from the thermostat, which...

    the RH reading is from the thermostat, which installed center of 1st floor.

    the temperature 50F reading at the mouth (inside) of supply register vent while AC is running, and I don't have RH...
  16. I have no idea if it removes any humidity. the...

    I have no idea if it removes any humidity.
    the thermostat registered the indoor begin RH at 55%, 76F, and then at the end of the 30 minutes cycle, it went down to RH 48% 74F, and about 2 or 3 hours...
  17. supply temperature and return temperature question

    my unit is Gibson 4 ton 13 seer heat pump in stalled in jan 2013, for a 2400 sq ft colonial 2 story, from what I heard, it is oversized in AC, yesterday, sunny all day in 80s F, southeastern PA, i...
  18. Replies
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    1,444

    ok, thank you.

    ok, thank you.
  19. Replies
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    1,444

    Media filter question

    I am looking for opinion/recommendation on filter, furnace is 80k btu, heat pump is 4 ton, current filter is 16x25x1, from what I understand, it is undersized for the 1600 cfm heat pump, and 20x24 is...
  20. Replies
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    1,135

    I am glad the icing vinyl problem was long gone a...

    I am glad the icing vinyl problem was long gone a few days after I unplugged all my humidifiers.
    I did open the cover on exhaust fans yesterday, and use aluminum tape to seal around the housing.
    ...
  21. Replies
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    1,135

    i know what i did wrong, :beat:i went to attic...

    i know what i did wrong, :beat:i went to attic for about 30 minutes to 45 minutes with my attic access pannel wide open the whole time when indoor was 73F and outdoor was in low teens.
    now i...
  22. Replies
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    1,075

    this 4ton Gibson 13 seer heat pump (no heating...

    this 4ton Gibson 13 seer heat pump (no heating strip) actually not bad, last week it was kept my house at 69F to 71F down to single digit F, it defrosted every 6 hours, and lower the indoor by 1F, ...
  23. Replies
    19
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    1,075

    Good news, power is now restored, house 53F from...

    Good news, power is now restored, house 53F from my wifi thermostat, should I use propane furnace or heat pump to bring the temperature back up.
    I installed two individual wifi thermostats for each...
  24. Replies
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    1,075

    Not home now, but I am thinking tomorrow morning...

    Not home now, but I am thinking tomorrow morning if power has not restored, shut off water main in basement, then open all faucets and drain through the lowest walk out basement hose bib, In case...
  25. Replies
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    1,075

    Southern chester county, pa No one home now,...

    Southern chester county, pa
    No one home now, went to in law home with heat
    So the only thing i worry is burst pipe and flood the house, my two 2nd floor bathrooms has PVC run along insulated outer...
  26. Replies
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    1,075

    I don't have generator, with more than 1/2...

    I don't have generator, with more than 1/2 million home without power at once, i did not even try to go buy one.

    Looks like safest is pay the water.
  27. Replies
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    1,075

    Power outage

    This morning 7:15am lost power and still in the dark, I am looking for to keep house warm enough to avoid frozen water pipe.
    With a battery operated co detector, is it safe to light up a propane...
  28. Replies
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    1,135

    this morning 7am, I looked at the humidity in...

    this morning 7am, I looked at the humidity in attic again, 12F, 75% to 78%, I looked at my other thermometer at front porch, 12F, 68%, then I looked at my car and there is a thick frost on every...
  29. Replies
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    the white pvc pipe that went through the roof I...

    the white pvc pipe that went through the roof I believe is the sewage vent that goes to the bathroom, my bathroom exhaust fan does not vent to attic, it vents to the side of the house, about 6 to 10...
  30. Replies
    18
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    1,135

    I have 3 humidifiers adding about 6 gallons per...

    I have 3 humidifiers adding about 6 gallons per day of water into the interior space for last 6 days, in additional to cooking and shower, in door 73F, rh 45%, outdoor 14F, rh 33%, attic 27F rh48%...
  31. Replies
    0
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    265

    how much btu do i need to keep up?

    my 4ton Gibson 13 seer heat pump looks like bottom out around 10F outdoor temperature and 6 or 7am in the morning,
    my hvac installer has offer to install a small 5k heating strip above the a coil,...
  32. Replies
    1
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    374

    is heat pump design to run 24x7?

    my Gibson 13 seer 4 ton heat pump has been humming non-stop since Tuesday morning Jan 21th, 3 days so far and counting, weather forecast says another cold air system moving in northeast Monday and...
  33. Replies
    18
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    1,135

    i guess i should remove the blue painter tape...

    i guess i should remove the blue painter tape covering the bathroom exhaust fan

    my 2nd floor exhaust vent cover on vinyl siding has flop/shutter, will that serve as damper?
    and i saw ice spike...
  34. Replies
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    the small vent seen on siding is my 2nd floor...

    the small vent seen on siding is my 2nd floor bathroom vent, attic originally has blowed in insulation, then i added r30 unfaced on top of existing insulation, so i guess i don't have any vapor...
  35. Replies
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    1,135

    ice on vinyl

    last night outdoor temperature has been in 19 to 22F, and I set my thermostat to 74F, my heat pump with no heating strip was able to keep up with the temperature and humidity 35%

    this morning...
  36. Replies
    5
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    639

    ok, last night, i checked the data log, my...

    ok, last night, i checked the data log, my outside thermometer at porch coldest at one point read 2F, the www.wunderground.com reported -1.5F, my delta temperature between return vent and supply was...
  37. Replies
    5
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    639

    how cold can gibson heat pump work

    i have dual fuel, 92% 80k propane and 4ton gibson 13 seer heat pump, $2.79 per gallon vs 13.5 cent per kw
    last night, went down to as low as upper single digit F, i ran heat pump only, heat on 1...
  38. Replies
    0
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    265

    heating basement?

    i have a 2 story colonial home 30ft by 40ft with unfinished rear walk out basement, all 3 ceilings are 9 ft tall, front half of the basement is underground, and rear half sloped down and exposed, ...
  39. I was told my electric is quite high, ...

    I was told my electric is quite high,
    Pennsylvania Electric Company
    7.23 cent for generation and transmission (from first energy solution)
    6.10 cent for distribution
    13.33 cent per Kw

    $7.09...
  40. hello Beenthere, I installed this heat pump in...

    hello Beenthere, I installed this heat pump in mid Jan of 2013, so last year electric consumption was without heat pump
    looking at my electric bill
    Jan 2013=700 kw,
    Feb 2013=1300 Kw,
    March...
  41. i see. in addition to my new schedule 20 on,...

    i see.

    in addition to my new schedule 20 on, 40 off, I also twisted it a little bit
    for example, to avoid heat pump short cycle, I make sure compressor each time run minimum of 15 minutes,...
  42. running heat pump base on cycle per hour

    I was experimenting a different way to run the heat pump, instead of running it based on temperature with no setback, I DIY reprogramed run time schedule of my Radio Thermostat CT80 thermostat into...
  43. heat pump dusty burning smell after defrost cycle

    I've been using my Gibson 4 ton heat pump since October, and last Saturday, snowing, I turn off the heat pump, and then turn on my propane furnace (coil is above furnace) for two times, making sure...
  44. Replies
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    heat pump cycle time

    I am away for a week and I kept the thermostat low at 62F, the swing is 1.5F
    outdoor today rain/wet 34 to 35F, I noticed my heat pump only cycle on for 6 minutes, then off for 22 or 24 minutes whole...
  45. Replies
    2
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    307

    problem solved. I spoke with my installer and he...

    problem solved.
    I spoke with my installer and he also advised me to take a look at the filter
    and when I pulled out the old air filter, there was a coat of white dust powder from the return side,...
  46. Replies
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    307

    here is some more update, not sure if the two are...

    here is some more update, not sure if the two are related
    just around noon time today, outside ambient temperature is 39F, very sunny, and outdoor coil is facing southeast, gets full sun,
    in door...
  47. Replies
    2
    Views
    307

    gibson outdoor unit whining noise

    I have a 4ton Gibson heat pump 13 seer installed Jan of this year,
    when it was first installed, I would hear only the outdoor fan blowing wind noise, and hardly hear the whining.
    recently I...
  48. Teddy bear, you made it sound very scary, i...

    Teddy bear, you made it sound very scary,
    i have two kids, 4 and 2 and expecting another one next summer, i was hoping the humidifier will make the air feel more comfortable as i've set my heat...
  49. ultrasonic humidifier and propane stove flame color

    recently as temperature drop below freezing, i turned on my heat pump and portable pureguardian ultrasonic humidifier H4610 and noticed my propane stove flame color changed from blue to orange, and...
  50. pureguardian ultrasonic humidifier h4610 and heat pump

    i went to costco and bought a portable 2 gallon tank pureguardian h4610 humidifier amazing low price.
    i intend to use it to maintain comfort level of humidity during cold winter.
    it creates visible...
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