Thread: ASHP question
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Old 12-17-11, 01:09 PM   #3
poleikleng
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Quote:
Originally Posted by AC_Hacker View Post
Lots of things could affect it.
  • You might have a defective unit.
  • You might have some activity in the house, like cooking, etc. (or several guests) that is (are) generating heat that you are unaware of.
  • There is a significant difference in humidity of the air inside or outside the house.

The third option is the most likely. Thermometers just measure the dry bulb temperature of the air, but there is significant heat (and cold) content in the humidity of the air, that thermometers do not measure, that the heat pump still has to work against.

-AC_Hacker
AC_Hacker,

Thanks for the response.

No activity, only one person in the house. We also have a 1-ton Fujitsu heat pump upstairs which was not running. We turned this unit on and it was produced 116 degrees of heat from the air handler. This seemed to confirm that the downstairs, 1.5 ton heat pump, was not running correctly. I did call the company that installed the units and asked them to contact Fujitsu and see if this was a concern but have yet to receive a response. Have you had any other's who may have the same issue that I experienced? Also, today outside tempereaure is 40 degrees, remote set to 70 degrees, temperature from the 1.5 ton air handler is now 97 degrees.

Poleikleng
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