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  1. Replies
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    The last part # I see for this motor is:...

    The last part # I see for this motor is: S1-32425801002. This is a 1120 RPM motor and not an 850 RPM motor.

    Johnstone Supply crosses this to a S1-FHM3728. This shows as a 1075 RPM, 1/4 HP,...
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    I emailed you the manual. Low speed tap is...

    I emailed you the manual.

    Low speed tap is 1040 cfm @ .06" wc. Unless you are in a very humid climate, it should work for 2.5 tons.
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    You don't really need specific ohm resistance on...

    You don't really need specific ohm resistance on the harness. It sounds like you have a control board issue.

    From the Genteq ECM Service Guide manual:

    "If the motor operates using TECMATE, both...
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    :cheers:

    :cheers:
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    I emailed you some info. The sensors are 10K-2...

    I emailed you some info.

    The sensors are 10K-2 thermistors.

    Do you have a Variable Speed Zebra or a Genteq Tecmate or TecINspec to troubleshoot the motor?

    This should be a 2.3 ECM motor in...
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    Was your capacitance test done while it was under...

    Was your capacitance test done while it was under a load (system operating)?

    I would replace with another AmRad 440v one.

    They are still "American" made and have a 5 year warranty - no...
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    The forum rules do not allow us to help...

    The forum rules do not allow us to help homeowners troubleshoot their systems.

    Should you decide to investigate this yourself instead of calling out a tech who could most likely find the issue in...
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    You will need to put an email address in your...

    You will need to put an email address in your profile, or send me an email (address is in my profile), and I will get it something off to you.

    I do not post manuals in this "OPEN" forum.
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    A confined space is one with less than 50 cubic...

    A confined space is one with less than 50 cubic feet per 1000 btuh input of the appliance (water heater, furnace, ect…..)

    Your 800 square foot basement (80’ x 10’) with an 8’ ceiling = 6400 cubic...
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    If he would put an email address in his profile,...

    If he would put an email address in his profile, he would have it almost immediately. :)
  11. Replies
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    Because this is an "OPEN" forum, manuals are not...

    Because this is an "OPEN" forum, manuals are not posted to this site.

    Put an email address in your profile, and if "York 56" sees this 7 year old thread, he might email it to you.
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    No professional on this forum is going to second...

    No professional on this forum is going to second guess a companies diagnosis of a cracked heat exchanger via the internet.

    Either one of those companies could be correct, but your safety is...
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    The parts list for these 226A series units shows...

    The parts list for these 226A series units shows a "Copeland ZPS" series compressor (Ultra Tech Scroll).
  14. Glad to be of assistance. Hoping everyone at...

    Glad to be of assistance.

    Hoping everyone at your end is heathy too.
  15. Your furnace has a constant torque ECM motor with...

    Your furnace has a constant torque ECM motor with 9 speeds. It is not a variable speed ECM motor.

    The S8X1 series furnaces will only operate the “Continuous Fan” at the lowest speed (speed #1)....
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    The "Drain is not blocked.....", but is it...

    The "Drain is not blocked.....", but is it draining while the unit is running, or only when it shuts off?

    Any chance the condensate drain line is double trapped?
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    See attachment.

    See attachment.
  18. Thread: Airflow

    by rundawg
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    1,045

    The "Notes" in the blower chart will usually...

    The "Notes" in the blower chart will usually state if the data is for a "Wet" or "Dry" coil.

    It may also give you the "correction factor" for a "Wet" coil, if the data is for a "Dry" coil.
  19. Thread: Airflow

    by rundawg
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    Static pressure readings are not exact. There are...

    Static pressure readings are not exact. There are many variable that can cause minor differences in your readings - cleanliness of the blower wheel, cleanliness of the evaporator coil, turbulence in...
  20. Thread: Airflow

    by rundawg
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    The time is variable, base on the information you...

    The time is variable, base on the information you provide, and the back log of applications the committee has to review.

    Check your email. I sent you some info.
  21. Thread: Airflow

    by rundawg
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    Are you familiar with the procedure of using...

    Are you familiar with the procedure of using static probes to test for external static pressure, then using the manufactures "Blower Performance Charts" to determine approximate system airflow?

    If...
  22. It is possible you have combustion issues, but...

    It is possible you have combustion issues, but all of the products of poor combustion will be exiting the home via the furnace vent (Flue), unless you have a heat exchanger with a large crack or hole...
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    I have all 3 of the 5-2-1 Compressor Savors (see...

    I have all 3 of the 5-2-1 Compressor Savors (see attachments).

    I use the one that most closely matches the manufactures specs for the Start Cap MFD rating, and Potential Relay specs (pick up, drop...
  24. Replies
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    Please explain how asking a "tech" to explain his...

    Please explain how asking a "tech" to explain his electrical troubleshooting, and what his background is, is "crappy" treatment?

    A simple explanation on his part that he had been "thrown to the...
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    I would be surprised, yet delighted, if we heard...

    I would be surprised, yet delighted, if we heard from "larryjack" again.
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    That looks to be a Goodman A49-20 air handler...

    That looks to be a Goodman A49-20 air handler from November 1995.

    I have the manual on this model, an there is no mention of these units having any blower delay in the cooling mode.

    In heat...
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    I am not trying to be sarcastic here - honestly. ...

    I am not trying to be sarcastic here - honestly.

    Your profile states you are a technician, and a technician should know what the voltage should be between "R" and "Y" when a unit is calling for...
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    Thanks for the model number. Now can you answer...

    Thanks for the model number. Now can you answer my first question?
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    If the "Y" terminal is energized at the defrost...

    If the "Y" terminal is energized at the defrost control by the thermostat calling for cooling, would you have 26.2 volts between "R" and "Y"?

    What is the model number of this Nordyne Heat Pump?
  30. Thread: TXV

    by rundawg
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    481

    Normal? There is no normal. Piston metering...

    Normal? There is no normal.

    Piston metering devices can have proper super heat anywhere from 4ºf to 50ºf depending on the outdoor dry bulb temp and indoor wet bulb temp, with their subcooling all...
  31. Thread: TXV

    by rundawg
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    481

    Dear? Usually, only my wife calls me that when...

    Dear? Usually, only my wife calls me that when she is about to lecture me on something. :)
  32. Thread: TXV

    by rundawg
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    481

    There are three fundamental pressures acting on...

    There are three fundamental pressures acting on the valve’s diaphragm which affect its operation: sensing bulb pressure P1, equalizer pressure (evaporator pressure) P2, and equivalent spring pressure...
  33. Is this “condense pump” you are talking about,...

    Is this “condense pump” you are talking about, external to the furnace?
  34. Thank you for the info. You don’t have one,...

    Thank you for the info.

    You don’t have one, but I was concerned that a natural draft water heater (gas) was possibly back drafting, causing CO to enter your home.

    I’m glad that scenario has...
  35. Was the gas company checking for natural gas...

    Was the gas company checking for natural gas leaks or actually testing for levels of Carbon Monoxide (CO)?

    Were they testing at the equipment (furnace) or in the occupied spaces of the home?
    ...
  36. I did actually come across this info, but be...

    I did actually come across this info, but be seeing as this thread was started over two months ago, I figured it was OBE.

    I will post it anyway - see attachment.
  37. Replies
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    What is the model number of the indoor coil, and...

    What is the model number of the indoor coil, and furnace?

    R22 or R410A?

    Assuming the outdoor unit was a Goodman match to the indoor coil, and R410A, the Goodman “Long Line Guidelines” states...
  38. Replies
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    The good CO monitors I know of are the CO Experts...

    The good CO monitors I know of are the CO Experts PG2017-5, the Defender LL6070, and the NSI 3000.

    The later one can only be purchased through a Contractor who has been trained in CO Safety and...
  39. Replies
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    Everyones tolerance to CO is different, as the...

    Everyones tolerance to CO is different, as the elderly and young, are the most susceptible.

    Long term low level exposure to CO is more dangerous than short durations of high levels of CO.

    I...
  40. Replies
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    Depends on how much value you place on your...

    Depends on how much value you place on your safety.

    Most fire departments will not walk into a building without breathing apparatus on when the CO is greater than 35 ppm. Is sitting in 69 ppm...
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    If you turn it around and look at the writing on...

    If you turn it around and look at the writing on the back, it will say “Conforms to UL Standard 2034”.

    This means it will not alarm until it is sitting in 70 ppm for at least one hour (as "pecmsg"...
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    Thanks for that model number. You will be happy...

    Thanks for that model number. You will be happy with the improved utility bills with a newer more efficient unit.

    The GR4GA was a 10 SEER unit, and today standard is 14 SEER minimum.
  43. Replies
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    Now we are getting into troubleshooting, which...

    Now we are getting into troubleshooting, which this forum does not allow.

    Only testing with a Volt Ohm Meter will determine the actual cause, and prevent guessing, which is in no ones best...
  44. Replies
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    Two thing: 1. This particular forum (AOP...

    Two thing:

    1. This particular forum (AOP Commercial HVAC) is for owners of Commercial equipment to ask general/non-technical questions. You need to click on the small black triangle next to the...
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    None. As long as you are not turning the gas...

    None. As long as you are not turning the gas burners on, you can run the AC all day long.

    Please prepare to replace this unit in the late summer, as you do not want to operate this system with a...
  46. The "My Home Comfort" website is National Comfort...

    The "My Home Comfort" website is National Comfort Institutes site for finding contractors who are certified in CO safety and Combustion Performance (testing).
  47. Here is publication on this subject - see...

    Here is publication on this subject - see attachment.
  48. Go to this site -...

    Go to this site - https://www.myhomecomfort.org/why-you-need-a-carbon-monoxide-test/

    and see if you can find a contractor in your area who has been trained in CO Safety and Combustion Performance.
  49. Do you have any Carbon Monoxide (CO) monitors in...

    Do you have any Carbon Monoxide (CO) monitors in the home? Preferably "Low Level" CO monitors that will indicate at levels starting at 5 -10 ppm.
  50. Replies
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    No they are not required. Check your inbox,...

    No they are not required.

    Check your inbox, as I sent you an email on this.
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