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  1. Thanks for the info on the choke coil!

    Thanks for the info on the choke coil!
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    What is this post doing here?

    What is this post doing here?
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    It's about time for Army to beat Navy

    It's about time for Army to beat Navy
  4. Replies
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    675

    That was kind of what I was trying to say. It's...

    That was kind of what I was trying to say. It's good experience.
  5. Replies
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    675

    You're right.

    You're right.
  6. Replies
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    675

    We are supposed to be technicians, repairmen, you...

    We are supposed to be technicians, repairmen, you know we are supposed to fix stuff that doesn't work. There may not be any money to be made fixing a residential freezer but there can be a sense of...
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    Amen brother!

    Amen brother!
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    1,491

    You need to know the BTU's of each appliance, how...

    You need to know the BTU's of each appliance, how many elbows and the length of the pipes.
  9. Replies
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    13,495

    It all depends on your attitude and how much you...

    It all depends on your attitude and how much you want to succeed. First you must have a mechanical apptitude if you do then you can make it. I am 64 years old, sold my company and went to work as...
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    1,572

    Apparently, Rheem likes more superheat than you...

    Apparently, Rheem likes more superheat than you do, but I have to agree it seems odd.
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    869

    Thanks, this was a great help.

    Thanks, this was a great help.
  12. Replies
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    869

    Carrier condenser info

    Does anyone have website info where I can get data, such as sub-cooling, & superheat requirements and where to measure the temps on a Carrier 38-AH-104---601?
  13. Thread: Manly help

    by captain123
    Replies
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    916

    So where is the gym. Do they have any Spin...

    So where is the gym. Do they have any Spin classes? I'll come over and check it out.
  14. I've put in a lot of Manureop compressors in...

    I've put in a lot of Manureop compressors in Tranes, never had a problem. You can braze in a Copeland and it will also cool fine, you may not get 10 or 20 years out of it but the customer will feel...
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    2,141

    There is one thing no one is telling you. ...

    There is one thing no one is telling you. There's a button right behind the transmogifer; hold it down for 3 seconds and it will reset the unit back to factory default settings and you will be good...
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    2,141

    There are so many different things that could be...

    There are so many different things that could be wrong it is just impossible to make a good quess with out having the unit in front of us. Having said that, one guess is the compressor has tight...
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    I agree!

    I agree!
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    880

    No worries.

    No worries.
  19. And installed by a licensed electrician, a permit...

    And installed by a licensed electrician, a permit pulled and an inspection.
  20. The specs were probably written in China. The...

    The specs were probably written in China. The unit probably requires a 15 amp circuit which would require a #14 copper wire. You can buy 14/3 with ground from a local home center. 14/3 would have...
  21. Replies
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    1,850

    What brand and size equip? How did you determine...

    What brand and size equip? How did you determine that it is running in the proper direction?
  22. Three phase compressors don't have common, run or...

    Three phase compressors don't have common, run or start windings, each winding has the same resistance, that's why the ohm readings should all be about the same and that's why there's no run or start...
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    1,594

    I agree, use a timer.

    I agree, use a timer.
  24. Thread: delay timer

    by captain123
    Replies
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    2,082

    An example of a delay on break relay would be: ...

    An example of a delay on break relay would be: some residential air handlers have a relay to keep the blower motor running for appoximatly 90 seconds after the thermostat is satisfied. The delay...
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    I watched the pressures during an off cycle and...

    I watched the pressures during an off cycle and they did not move until there was a call for cooling. It's been 3 days now and no tripping. We'll see what this weekend brings, the unit is on a...
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    I did not see what the pressure was doing when it...

    I did not see what the pressure was doing when it cycled on for a second, but it seems like a good idea to put the gauges on it and watch for a pressure rise while it is off. I installed the DOM TDR...
  27. Replies
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    The contactor is less than a year old and looks...

    The contactor is less than a year old and looks good. It is an R-22 unit. There are no econimizers, it is a split system and its return ductwork is tied into a 25 ton fresh air unit which is tied...
  28. Replies
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    3,319

    It just clicked, a Delay on Make Relay, thanks.

    It just clicked, a Delay on Make Relay, thanks.
  29. Replies
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    3,319

    What is a DOM Time Delay Relay, it sounds like it...

    What is a DOM Time Delay Relay, it sounds like it might help.
  30. Replies
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    3,319

    The unit is 19 years old. The unit has 7...

    The unit is 19 years old. The unit has 7 condenser fans; 5 of which are on thermostats and time delays and 2 are on choke coils to maintain head pressure during low ambient. The 20 ton in question...
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    3,319

    Today the ambient condition is 75. It seems it...

    Today the ambient condition is 75. It seems it will happen when it's 50 degrees or when it's 95 degrees. Both compressors have crankcase heaters. When the t-stat is satisfied it goes into a pump...
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    Oil Pressure Safety Cutout

    We've got a 50 ton York, with a 20 ton Copeland semi-hermetic & a 30 ton semi-hermetic. The 20 ton is the first stage. The 20 ton will go off on oil pressure safety cutout about once a week. The...
  33. My wife used the truck to break our vacuum, she...

    My wife used the truck to break our vacuum, she ran over it!
  34. Try the book of John, it's in the New Testament.

    Try the book of John, it's in the New Testament.
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    I use a Geni Lift. It works for removing window...

    I use a Geni Lift. It works for removing window a/c's, and installing metal ductwork. I've used it to install 800# transformers that are up high. What's nice is you can take Unistrut and make the...
  36. Replies
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    However, in Florida, we have the Florida Building...

    However, in Florida, we have the Florida Building Code that has adopted the NEC in its entirety without any changes and local jurisdictions are prohibited from admending the Code without bringing the...
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    Maybe you haven't had a chance to read the link...

    Maybe you haven't had a chance to read the link that [U]bigtime[U]posted earlier. It really does explain this. Here is the link again. ...
  38. Replies
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    On a long run the MOCP still does not come into...

    On a long run the MOCP still does not come into play for sizing the branch circuit conductor. Once you calculate the voltage drop you may need a wire several gauge sizes larger. glennwith2ns has it...
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    Talk to your friends and neigbors to get some...

    Talk to your friends and neigbors to get some recommendations on contractors that they have used and then get three proposals.
  40. Thread: Trane CSHA

    by captain123
    Replies
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    1,365

    I prefer 15% silver.

    I prefer 15% silver.
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    Hey, hey, hey...let's not be bashing Ford Pintos.

    Hey, hey, hey...let's not be bashing Ford Pintos.
  42. Replies
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    yucan2, nice post.

    yucan2, nice post.
  43. Replies
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    16,962

    The article that Bigtime refers to explains it...

    The article that Bigtime refers to explains it quite well. Many of us do things a certain way because that's how someone taught us and eveyone else we know does it that way, but that doesn't make it...
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    This question comes up from time to time on "The...

    This question comes up from time to time on "The Code Question of the Day" an NECA forum. Charlie Trout who does participate in writing the NEC answers the questions to the best of his ability. And...
  45. Replies
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    "The breaker protects the wire" Not in the case...

    "The breaker protects the wire" Not in the case of a hermetic compressor. The breaker is for over current protection, such as locked roter or ground faults. The compressor has an internal thermal...
  46. Replies
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    You size the wire by the MCA (Minimum Circuit...

    You size the wire by the MCA (Minimum Circuit Ampacity) which in this case is 18 amps and you size the Over Current Protection Device (the breaker) by what the manufacture calls for on the label,...
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    The mechanical code says: "Condensate drains...

    The mechanical code says: "Condensate drains shall be trapped as required by the equipment or appliance manufacturer." Most manufacturers require a trap...check on that and if you have a trap make...
  48. Replies
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    Bricks make good filters too. No dust particles,...

    Bricks make good filters too. No dust particles, smoke or microbes get through them, but eventually you need to let some air through the system.
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    What do you mean "Reversing valve goes bad"? ...

    What do you mean "Reversing valve goes bad"? Won't it shift, is the pistion stuck? Has someone replaced the valve and now you have a refrigerant leak at thhe solder joint?
  50. Replies
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    On average what % of parts in a current...

    On average what % of parts in a current generation furnace would be brand specific and what % generic? ....Brand specific is 78%, generic = 24%.

    Has this changed over the last few years? ....Yes....
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