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  1. Replies
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    How does a filter/drier work and what are the...

    How does a filter/drier work and what are the disadvantages of having two? Will it cause the system to die prematurely?

    Also, did running their vacuum pump on the line set damage the inside...
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    902

    I'm confused about the conflicting...

    I'm confused about the conflicting recommendations. Why remove the old drier?
  3. Replies
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    UPDATE: The company owner just installed a...

    UPDATE:

    The company owner just installed a filter drier himself, outside the unit. He cut into the refrigerant line and brazed in a bi-directional filter drier. I did ask about removing the old...
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    1,034

    Interesting, my service order says that the...

    Interesting, my service order says that the repair is under warranty for 90 days....If it fails after that I will ask if there are other relays (non GE) available with the same specs that are...
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    I have a theory question--- I noticed in the...

    I have a theory question---

    I noticed in the wiring diagram that the potential / start relay takes the start capacitor out of the circuit after the compressor starts. But the compressor start...
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    Is that because the potential relays are being...

    Is that because the potential relays are being re-mounted improperly in the field, or they were never mounted in the right position at the factory?

    I'm wondering why mine needed to be replaced in...
  7. Replies
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    LoL! It's the engineer in me, I like things to...

    LoL! It's the engineer in me, I like things to work properly and I like it when technical documentation is clear and accurate. If something isn't working normally I tend to keep tinkering with it...
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    Follow up : I did check back with the tech,...

    Follow up :

    I did check back with the tech, and the arrow points up, the side with the "this side up" actually should be on the side. It is (supposedly) normal to have the relay mounting screw...
  9. Replies
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    Is the proper mounting with the letters "This...

    Is the proper mounting with the letters "This Side Up" on top (mounting screw above relay), or the direction pointed by the arrow (mounting screw on side of relay)? I just want to make sure they...
  10. Replies
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    Here is a picture of the relay I am asking about:...

    Here is a picture of the relay I am asking about:

    418941
  11. Replies
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    START RELAY |---------| |xxxxxxxxx|...

    START RELAY

    |---------|
    |xxxxxxxxx|
    |xxxxxxxxx|
    |xxxxxxxxx|||o <--- mounting screw on side?
    |xxxxxxxxx|
    |xxxxxxxxx|
    |---------|
  12. Replies
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    Start Relay - This Side Up?

    So I'm looking at my heat pump (American Standard 2a6h3024) after it's been serviced, and I notice a relay (start relay) has "This Side Up" printed on it with an arrow pointing to another side. Is...
  13. Excessive Transformer Noise in Air Handler

    I have a brand new American Standard TAM7 air handler with the variable speed ECM blower. Normally the transformer noise is very slight, you only hear it when near the machine. Occasionally it gets...
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    Thanks for the advice! I will call them again...

    Thanks for the advice! I will call them again tomorrow. The system used recovered R22 (I recall at the beginning of the job they ran the compressor for a minute or so with a valve closed and may...
  15. Replies
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    Refrigerant Dryer Necessary?

    I recently had a new heat pump air handler (American Standard TAM7, 2 ton) installed to match a American Standard 2 ton heat pump that is about 4-5 years old. The accepted work proposal included a...
  16. Here are pictures from the installation: ...

    Here are pictures from the installation:

    397641

    397651

    397661

    397701
  17. The fellow who provided the estimate and measured...

    The fellow who provided the estimate and measured was the owner of the small company. I had a good feeling with him, he definitely had a lot of experience. Unfortunately he was not present during...
  18. Variable Speed American Standard Air Handler Installed. Some Install Quality Question

    I just had an American Standard air handler (TAM7A0A24) installed to match an American Standard heat pump outside. I used an Am Std "comfort care" dealer that had good reviews for quality. I'm...
  19. Looking carefully at the American Standard and...

    Looking carefully at the American Standard and Trane website, the A-S website says that the TAM4 ("Gold XM") has the Vortica.

    The Trane website says that the TAM4 ("Hyperion XR Series 4") does...
  20. American Standard / Trane Variable Speed Blower Questions

    I'm about to have my air handler replaced on a heat pump. It is an R22 system with the outdoor unit replaced with a AS Heritage unit a few years back (before my ownership). I have two proposals for...
  21. American Standard HP Start Relay Missing?

    I recently bought a house with an American Standard Heritage 13 SEER R22 heat pump installed around 2009. I hired a company to tune it up before summer, and inside there is a large add on start...
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    A gable vent combined with a ridge vent is not a...

    A gable vent combined with a ridge vent is not a good idea. With soffit vents and a ridge vent, air flows in the soffit vents and hot air exits the ridge vent. This is good and keeps the...
  23. Replies
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    Vision Pro Thermostat Operation Questions

    Hello,

    I have a two stage Honeywell Vision Pro Thermostat, Model TB8220U that is connected to my American Standard two stage high efficiency furnace. It is programmed with the adaptive recovery...
  24. Thanks! I'm curious, what is the magic code to...

    Thanks! I'm curious, what is the magic code to decipher that? I had been thinking that the 30 in the middle of the model number meant 3 tons, based on what the Sears people said, but they weren't...
  25. How many tons is my Kenmore Central Air Unit?

    I have a Sears Kenmore central air conditioner that was probably installed around 1989. I don't have any documentation, other than the name plate on the outdoor condenser unit. It lists both...
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