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  1. Outdoor A/C Unit

    I'm looking to see how to hold contractor accountable for these issues, thanks!

    Update:
    I took a peek at the outdoor unit. (see photo below) Note the angles on the refrigerant lines, where...
  2. One other question: Before hurricane...

    One other question:

    Before hurricane damage, the emergency furnace shut off switch was near the door to the house, so one could shut down the equipment without stepping into the garage. The...
  3. Thanks for the responses! This helps build a...

    Thanks for the responses! This helps build a case for fixes to be made. My family member did protest upon noticing the missing filter during the construction phase and the HVAC installer said "oh...
  4. Furnace Installation Quality or Safety Issues? (w/ Photos)

    I am helping family members who recently had a new furnace / cooling equipment installed during a house renovation post hurricane Sandy. The HVAC installer was selected by the general contractor. ...
  5. Rodent Entering Home by HVAC Lineset Opening

    This isn't a technical question, but perhaps others have experience this around HVAC equipment and know what to do. Today I noticed the steel wool and foam that covered the opening in the house wall...
  6. Update: Even with a new clean filter, the ice...

    Update: Even with a new clean filter, the ice returned when the outdoor temperatures dropped overnight. :( Why?
  7. Evaporator Ice Cause: Dirty Filter or Worse?

    I have an 11 month old American Standard near top of the line air handler with the electric expansion valve, variable speed blower, etc. It is set to R22. The outdoor Am Standard R22 heat pump unit...
  8. 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...
  9. Replies
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    I'm confused about the conflicting...

    I'm confused about the conflicting recommendations. Why remove the old drier?
  10. 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...
  11. Replies
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    1,310

    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...
  12. Replies
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    1,310

    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...
  13. Replies
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    1,310

    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...
  14. 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...
  15. Replies
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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...
  16. Replies
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    1,310

    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...
  17. 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
  18. Replies
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    START RELAY |---------| |xxxxxxxxx|...

    START RELAY

    |---------|
    |xxxxxxxxx|
    |xxxxxxxxx|
    |xxxxxxxxx|||o <--- mounting screw on side?
    |xxxxxxxxx|
    |xxxxxxxxx|
    |---------|
  19. 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...
  20. 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...
  21. Replies
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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...
  22. 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...
  23. Here are pictures from the installation: ...

    Here are pictures from the installation:

    397641

    397651

    397661

    397701
  24. 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...
  25. 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...
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