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Type: Posts; User: ChrisJ RI

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  1. Replies
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    "IF it appears any performance requires more...

    "IF
    it appears any performance requires more than a ~ 3 to 4oz "top off to good refrigeration" in a tech's mind (qualified...) for the Hydro-Temp with Priority instant HW and or radiant inclusive,...
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    The radiant heat exchanger was changed 10 days...

    The radiant heat exchanger was changed 10 days ago. Unit is working...

    I just don't think the charge is correct, or some refrigerant has leaked out again.

    Tech put in amount stamped on unit, HT...
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    Well the refrigerant has leaked out again, pretty...

    Well the refrigerant has leaked out again, pretty sure it's leaking in the radiant water coil. Have had problems with "air" in the radiant every winter.

    I am so frustrated, I don't have much...
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    http://www.hydro-temp.com/ 800-382-3113, they...

    http://www.hydro-temp.com/

    800-382-3113, they have always been very nice when I have called.

    Chris
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    "Too, it is a good time to listen for air in a...

    "Too, it is a good time to listen for air in a pressurized loop system."

    Non-pressurized, has HT's auto-purge.

    I doubt the installer saved readings from back when the unit was new.

    The tech...
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    Sorry I was so brief. Yes I believe he checked...

    Sorry I was so brief.

    Yes I believe he checked performance using the sensors built into the unit, EWT & LWT, EAT & LAT also has 2 refrig temps. Gets the info using a palm pilot, from georgia...
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    Tech took out the 3.5- 4 lbs of refrigerant left...

    Tech took out the 3.5- 4 lbs of refrigerant left (unit holds 6.1 lbs), changed switch, weighted back in 6.1 lbs. Says all should be good.

    Chris
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    Tech found low pressure switch with oil dripping...

    Tech found low pressure switch with oil dripping from it. They will order the part and come back.

    Chris
  9. Replies
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    I have an electric meter in the utility room...

    I have an electric meter in the utility room connected to the heat pump that tracks the KWH usage.

    I was going to post my excel spreadsheet where I have been tracking daily KWH usage, about 2 1/2...
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    Tech coming out on monday to check unit, possibly...

    Tech coming out on monday to check unit, possibly low refrigerent.

    When I told him lowest LAT 55-56*F all summer and running 2nd & 3rd stage when outdoor temps low to mid 80's. Said it sounds like...
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    Thanks Jon, Will probably have to get HT...

    Thanks Jon,

    Will probably have to get HT involved.

    The DHW pump is running all the time that the A/C is running, even running at the same time the ground loop pump is running. It's using over...
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    I have been using my own Palm to check temps and...

    I have been using my own Palm to check temps and keep track of statistics.

    My installer was pretty new to HT 4 yrs ago when I contacted him. I think he has only installed a couple of HT units.

    ...
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    RI is Rhode Island, IE, Southern New England....

    RI is Rhode Island, IE, Southern New England. Between CT and Cape Cod.

    Chris
  14. Replies
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    Yes I have the Luxpro stat. Works OK, tried using...

    Yes I have the Luxpro stat. Works OK, tried using a 1 degree set-back last winter but still went to stage 2 to recover, even though it's set for 2 degrees below set-point kicks stage 2. Then I think...
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    I am pretty sure it's not under-looped. Lowest...

    I am pretty sure it's not under-looped. Lowest EWT at end of winter has been 35*F. 5 trenches 200' X 7-8' deep with 1" straight pipe, 1 1/4" headers reverse return.

    Looper also layed pvc drip...
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    Not sure how many gallons of DHW, 4-5 adults in...

    Not sure how many gallons of DHW, 4-5 adults in house, DHW loop includes the 55 gal electric water heater (breaker off).

    Yes aux heat strip on seperate breaker (off).

    "Read superheat in...
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    Since the DHW will have to be drained to put in...

    Since the DHW will have to be drained to put in hose bips, I will have the 3/4" pipes replaced with 1". My plumber didn't do what installer said to do. Although the DHW fittings on the HP are 3/4"...
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    Hydro-Temp system

    4 years ago I somehow stumbled onto HT's website, their combination systems do everything I wanted, Air and water at the same time.

    After 3 1/2 yrs of working very well it's now using a lot more...
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    I am in the Northeast region, heating dominated....

    I am in the Northeast region, heating dominated. Cooling dominated areas can use GSHP's with a good vertical heat exchanger.

    ChrisJ RI
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    CT77, I am not "in the geo industry", Just...

    CT77,
    I am not "in the geo industry", Just someone w/geo in my 2 yr old home. Here are some numbers to think about.
    Old house 1200' ranch, oil heat, propane for stove and of course an electric...
  21. "because if Radiant has priority over forced air...

    "because if Radiant has priority over forced air it will just run all day long trying to satisfy the radiant load".

    The Hydron Module combo unit can be configured with shared priorty.

    "Shared...
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    My horizontal loop was installed with a PVC piped...

    My horizontal loop was installed with a PVC piped drip loop about 12-18" above HDPE pipes. I can introduce moisture to the soil if need be.

    I don't know what temp the ground water is in GA is but...
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