Search Results - HVAC-Talk: Heating, Air & Refrigeration Discussion

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    BelleMech, I am trying to get a hold of you......

    BelleMech, I am trying to get a hold of you... check your emails
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    Will do

    Will do
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    Thanks for the link... I do have an older model...

    Thanks for the link... I do have an older model (DV-85)... Maybe I can use this anyhow... I will give it a shot
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    owner manual/PDF's for JB DV-85 Pump

    I recently picked up this pump for cheap, but don't have a manual or any info on the pump maintenance, oil to be used etc. Anyone have that on file they could get to me? I would greatly appreciate it...
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    I am interested... I will email you

    I am interested... I will email you
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    Thank you... I will check that forum out for sure.

    Thank you... I will check that forum out for sure.
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    Fan motor doesn't have any wiggle... it is aged,...

    Fan motor doesn't have any wiggle... it is aged, but not bad... Has some rust on it...

    Contactor is new, looks to have been replaced recently... I will check it anyway...

    Wiring looks good, no...
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    its amazing how things happen all at once......

    its amazing how things happen all at once... THanks again for everyone who responded to the thread
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    Yeah, pulled the cap and it's shot... Easy fix

    Yeah, pulled the cap and it's shot... Easy fix
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    well... new twist to the story... the condensing...

    well... new twist to the story... the condensing unit fan is now stationary and the liquid line is very hot... what are the chances that the condensing unit fan locked up... its late now here and its...
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    sounds good... I will do that... thanks for the...

    sounds good... I will do that... thanks for the recommendation
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    Thanks again for all the insight... I'm just...

    Thanks again for all the insight... I'm just getting started but plan on learning from this page as a great resource. I'll add some refrigerant and see how the unit performance changes.
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    Evaporator coil ;)

    Evaporator coil ;)
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    Indoor temp is 78F, will have to measure wet...

    Indoor temp is 78F, will have to measure wet bulb. The consensing unit is a piston unit. This is an original split on a ranch that had the basement finished recently.
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    ok... I went back and tested it one more time.....

    ok... I went back and tested it one more time.. here is what I ended up with

    Suction Line Temperature ~ 60F
    Suction Pressure - 83 PSI
    Liquid Line Temp - 96F
    Discharge Pressure 202psi...
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    thank you... that makes sense

    thank you... that makes sense
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    Your refrigerant is a liquid

    Your refrigerant is a liquid
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    greater subcooling means that you you are below...

    greater subcooling means that you you are below the saturation temp by so many degrees... waht this means is that the refrigerant can absorb more energy before it starts to evaporate... If you have...
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    Yes I do, but I'm driving so I am going to have...

    Yes I do, but I'm driving so I am going to have to do this after bit
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    ?

    ?
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    Greater subcooling

    Greater subcooling
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    how so? It has to do with the heat absorbed by...

    how so? It has to do with the heat absorbed by the refrigerant and the vapor pressure of the refrigerant coming back to the compressor... Guess I am a little lost as to what you are looking for here...
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    this was from the manufacturer's information......

    this was from the manufacturer's information... suction pressure will drop on the suction side when you add refrigerant since you have more refrigerant to absorb heat... since there is more...
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    I keep mixing my lines up, and it came out in the...

    I keep mixing my lines up, and it came out in the form of subcooling/superheat confusion... yes, I have about 12F of superheat coming into the compressor via the suction line... the liquid line has...
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    sorry for the confusion.. yes that is correct, I...

    sorry for the confusion.. yes that is correct, I have about 12F of superheat and a couple degrees of subcooling, at best.. I had to run to grab some parts for another job, but will re-measure in a...
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