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  1. Replies
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    Fair enough. Best of luck to your exploration.

    Fair enough. Best of luck to your exploration.
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    It wouldn't be the first time I couldn't figure...

    It wouldn't be the first time I couldn't figure out what someone was trying to say over an internet conversation.

    Back to my original question, and still my point of confusion, are we talking...
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    I'm going to try and read between the lines here,...

    I'm going to try and read between the lines here, so please enlighten me if I'm way off target.

    If I'm understanding you correctly, you are asking about reading the temperature of the coil sensor...
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    Refer back to your other post on the Trane...

    Refer back to your other post on the Trane defrost control for my comments.

    We don't post manuals or technical data in this "OPEN" forum.
  5. Thread: trane XE11000

    by rundawg
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    Without going into too much detail in this "OPEN"...

    Without going into too much detail in this "OPEN" forum, 3 flashes can be one of two things:

    1. Defrost cycle has terminated on time, instead of temperature.

    2. High delta T (relationship...
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    That looks close to what you have. If you had...

    That looks close to what you have.

    If you had an email address in your profile, I would email a copy to you.

    If you don't want to wait for your access to Rheemote, you can email me (address is...
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    I emailed you the only bulletin I know of for...

    I emailed you the only bulletin I know of for this unit that relates to ignition issues.
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    There should be a retainer that holds the piston...

    There should be a retainer that holds the piston in place inside the service valve.

    The retainer does come out.

    I sent you an email of what it should look like.
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    I think you meant 130 cfm here - correct? ...

    I think you meant 130 cfm here - correct?

    Natural draft furnaces should be at least 100 cfm /10,000 btuh input.
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    Only if he had a considerably smaller than...

    Only if he had a considerably smaller than required piston installed. He actually has a slightly larger than required piston installed, so it should be allowing more refrigerant through it than what...
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    As others have said, it depends on the...

    As others have said, it depends on the manufacturer, and if you are talking Recips or Scrolls.

    Trane had 2 compressor systems, where one compressor was half the tonnage of the other (2 ton-low and...
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    As far as I know, an assumed site rule for the...

    As far as I know, an assumed site rule for the "OPEN" forums. I haven't read the fine print.

    As I stated, you are doing a great job with this kid (I'm assuming he is a kid).

    My problem is, we...
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    Always try to use the manufacturers specs for the...

    Always try to use the manufacturers specs for the unit you are working on and not a generic chart from an online source that sells HVAC equipment.
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    I see you found one of the sources for the proper...

    I see you found one of the sources for the proper piston size. The other is the units technical specs manual.

    I don't post manuals or technical information in this "OPEN" forum.

    You are doing a...
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    Neither. Manual says 0.065 for the 2.5 ton unit.

    Neither. Manual says 0.065 for the 2.5 ton unit.
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    The 30/5 mfd 370 volt capacitor is the correct...

    The 30/5 mfd 370 volt capacitor is the correct capacitor.

    The 35/5 mfd capacitor is about 16 - 17% over the required capacitor rating for that compressor. Most technicians will change a capacitor...
  17. Thread: AAON problem

    by rundawg
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    254

    All I have is the Installation Manual. If you...

    All I have is the Installation Manual. If you want it, send me an email (address is in my profile), and I will get it off to you.

    If you put an email address in your profile, or make your requests...
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    Most York Demand Defrost controls will terminate...

    Most York Demand Defrost controls will terminate the defrost cycle after the liquid line temperature reaches 80F, or after eight minutes of defrost operation.
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    Those should be 10k-2 (type 2) thermistors. A...

    Those should be 10k-2 (type 2) thermistors. A temp of 31f should be around 33.5K ohms. Your 40K is about 25f.

    This unit does not use time/temp to initiate defrost, but has a Demand Defrost...
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    Assuming you have a HK06WC090 pressure switch in...

    Assuming you have a HK06WC090 pressure switch in this unit, the tech guy was correct - the switch should make at 0.33" wc, and break at 0.13" wc .
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    They do like to make it challenging.

    They do like to make it challenging.
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    I have a Trane chart with this serial number...

    I have a Trane chart with this serial number format.

    F45583619

    F - 1991

    45 - week of manufacture

    583619 - sequence #
  23. Some systems use a Demand Defrost Control. This...

    Some systems use a Demand Defrost Control. This uses two different sensors that compares coil temperature and ambient temperature. It has a built in program to determine the proper time to defrost...
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    First, could you please explain to us how you...

    First, could you please explain to us how you have your gauge hoses hooked up when testing in the heat mode.
  25. He is correct. You have what is referred to as a...

    He is correct. You have what is referred to as a "Time/Temperature" defrost control on this system.

    There is a defrost thermostat attached to a refrigerant line in the outdoor unit. That...
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