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Posted by ftwhd on October 27, 2007, 11:31 am
wrote:
>I live in maryland, and have a 1 year old, 13 seer Goodman 3-ton heat
>pump for a 1200 sq ft house (yes I know its oversized, but it doesn't
>act like it) and it is hooked up to a Space Pak high pressure hvac
>system
>
>All summer my AC (heat pump) unit kept the place fairly cold (and
>would run constantly during the day, occasionally going off at night),
>but would never get the place lower than about 73 degrees during the
>day, so I always wondered if it were working correctly. There was a 20
>degree differential between the return air temp and the air coming out
>of the registers, which is supposed to be correct according to my HVAC
>tech who installed it. The temperature on the lineset big tube
>(superheat pipe?) was averaging about 60 degrees (measured using an
>infrared thermometer), whcih I'm not sure if that was correct or not.
>It was well insulated (just the last inch was exposed before it
>entered the blower), so I don't think there's was much of any loss in
>temperature inside the line set (which is about 15 feet long)
>
>Today, its not cold outside, but a little chilly (65), so i decided to
>I turn on the Heat Pump just to see how hot the air would be (last
>winter it didn't heat the house too well, but I figured it was because
>it was really cold outside). The air coming out of the registers was
>only about 75 degrees, and the big tube on the line set was only about
>80 degrees.
>
>My gut reaction says that the charge on the system is wrong, and that
>the larger pipe of the line set should have been a lot colder than 60
>degrees in the summer, and now should be getting a lot hotter than 80
>degrees in the fall.
>
>Any advice on what the problem is, and what I should say to the next
>HVAC tech that I hire so that it gets done correctly?
You should ask when he can come out and then shut the fuck up and pay
the bill.
Your welcome, now get the hell out of here.
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