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180 psi at suction line (3X higher then chart) - 4T Carrier heat pump

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180 psi at suction line (3X higher then chart) - 4T Carrier heat pump davefr 11-05-2006
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Posted by RSCamaro on November 9, 2006, 10:27 pm


>So my guess was close enough that it is hot gas bypass
>But? it should have been located before the accumulator
>and not after.
>Thank you for verifying Dido

Like Paul said, not even close. Residential equipment manufacturers
don't use HGBP valves because there's no need for it. With your
statement, I'm not quite sure you know what HGBPs function is. You
should do some more research.

...Ron
--
68'RS Camaro
88'Formula
00'GT Mustang

Radiant Heat 468x60
Posted by Noon-Air on November 9, 2006, 11:30 pm

>
>
>>So my guess was close enough that it is hot gas bypass
>>But? it should have been located before the accumulator
>>and not after.
>>Thank you for verifying Dido
>
> Like Paul said, not even close. Residential equipment manufacturers
> don't use HGBP valves because there's no need for it. With your
> statement, I'm not quite sure you know what HGBPs function is. You
> should do some more research.

I haven't had that hot gas problem since I stopped eatin at Taco Bell



Posted by AKS on November 10, 2006, 12:24 pm

>
>>
>>
>>>So my guess was close enough that it is hot gas bypass
>>>But? it should have been located before the accumulator
>>>and not after.
>>>Thank you for verifying Dido
>>
>> Like Paul said, not even close. Residential equipment manufacturers
>> don't use HGBP valves because there's no need for it. With your
>> statement, I'm not quite sure you know what HGBPs function is. You
>> should do some more research.
>
> I haven't had that hot gas problem since I stopped eatin at Taco Bell
>
neither do I but I definitely have gave some
to my friends PJ, RSC and some others
Dido



Posted by RSCamaro on November 11, 2006, 7:34 pm


>> I haven't had that hot gas problem since I stopped eatin at Taco Bell
>>
> neither do I but I definitely have gave some
> to my friends PJ, RSC and some others
> Dido

I'm sure that you'd like to think that, but at least about myself,
you're wrong. The Zoloft keeps me that way.

...Ron
--
68'RS Camaro
88'Formula
00'GT Mustang

Posted by on November 5, 2006, 8:34 pm

>My old Carrier heat pump seems to be operating sub optimally.
>
>- Suction Line - 180 psi
>- Liquid line - 200 psi
>- Temp of suction line at condenser unit - 180 degrees
>- Temp of liquid line at condenser unit - 70 degrees
>- Temp rise from cold air return to closest indoor register - 15
>degrees. (it's been closer to 20 degrees in the past)
>- Outdoor ambient 50 degrees
>
>The operational chart from Carrier suggests Liquid should be approx.
>240 psi and Suction should be about 60 psi given these temps in
>heating mode..
>
>What would cause my Suction pressure to be so high and yet the unit
>still produces about 15 degrees heat rise?
>
>Could a leaky reversing valve or a low refrigerent level cause this??


Because you don't have your gauge on the true suction line nitwit.

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