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Type: Posts; User: cholden324

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    I don't see any indication in the manual whether...

    I don't see any indication in the manual whether this is acceptable or not.
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    379

    I agree that two stage would be better. However,...

    I agree that two stage would be better. However, I know the customer is trying to do the job as cost effectively as possible and if I submit a bid that is much higher than the other bid (adding a...
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    Trane 20 ton condenser

    Hey guys,

    I have a customer who wants me to replace a Trane R-22 20 ton condenser. The current setup is a single tin can compressor piped to a "two stage" evaporator. The suction and liquid tubing...
  4. Good point! It's amazing how many techs do not...

    Good point! It's amazing how many techs do not know this. The easiest way to see if a condenser is dirty to to feel the airflow with your hand. It's also amazing to me how many "techs" do not know...
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    Hey guys, at least he did one thing right - he...

    Hey guys, at least he did one thing right - he put a street 90 at the end of the vent (because it sticks out clear to the street).
    :patriot:
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    No, I used rigid s lock but I turned the rigid...

    No, I used rigid s lock but I turned the rigid side to the inside of the duct. I like the way it looks and I think its easier to seal. I don't usually do it on the supply duct (for obvious reasons)...
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    Looks familiar...

    I had a customer with a Carrier that looked kind of like this, only not as bad. (Also, it was an upflow.) The rollout switch would only open only on occasion, even though it was severely rolling out....
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    Alternative to limit switches

    You know, if you can't find the right limit switch, you could just instal a plain old light switch in there. That way, you could put your thermometer in one of your registers and when it gets to 120,...
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    Answers to your questions...

    #1. Try to reset the switch by banging it on the garage floor a couple of times. If that doesn't work, soak it in warm soapy water overnight. Be sure to let it dry before reinstalling it.

    #2. On...
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    The evap coil was designed with two 1-1/8"...

    The evap coil was designed with two 1-1/8" outlets for suction and two 3/8" inlets for liquid. I had to install a 1-1/8" X 1-1/8" X 1-3/8" tee in the suction line because the rest of the lineset had...
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    The reason for running the return duct so far was...

    The reason for running the return duct so far was primarily, ease of access to filters. This unit was in an industrial plant where they were very stringent on safety rules and cleanliness. Since the...
  12. The first line inside the box says that the...

    The first line inside the box says that the publication is for cooling-only applications.
  13. Thanks for the link, that is good information....

    Thanks for the link, that is good information. I've never seen that before. I'm going to hold onto that file. Thanks again!
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    Sometimes there is a sensor that cycles the fan...

    Sometimes there is a sensor that cycles the fan on the basis of refrigerant pressure, although they are not common on residential units. If you have one such component, on a 42 degree day, the fan...
  15. Carrier recommends 3/8"

    If I were you, I would not deviate from Carrier's installation manual. They recommends a 3/8" liquid and 7/8" suction for this unit. A smaller liquid line will almost surely give you problems. Also,...
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    It was either 090 or 120. I can't remember for...

    It was either 090 or 120. I can't remember for sure...it's been a while ago.
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    It was design build. Basically they showed me the...

    It was design build. Basically they showed me the space, and said "make something that will heat and cool this place."
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    First spiral duct installation

    These are pictures of my first experience with spiral duct. There's not a lot of it but I still like the way it turned out. The biggest challenge was getting it straight and level.

    The return duct...
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    Disconnects galore!

    I found this unit on a discount/dollar store while doing PMs. Notice that there are no less than three (count them) disconnects associated with this unit. The one that is being used is about 5 feet...
  20. Right. My mistake. The ductalator that I have at...

    Right. My mistake. The ductalator that I have at home is not the one that I am used to using in the field.

    :oops:

    Sorry for the bad info.
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    Why do you need all those red posts to hold up...

    Why do you need all those red posts to hold up your duct? Couldn't you hang it from the ceiling?

    :whistle:

    Just kidding. Nice looking job.

    :playing:
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    I've always heard that you should install a drip...

    I've always heard that you should install a drip leg only if you suspect there may be dirt/contaminants in the gas; as in if the line has been broken upstream or just installed.

    However, if the...
  23. Thread: my new van

    by cholden324
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    Love the van. I used to have one but the company...

    Love the van. I used to have one but the company I worked for was crap. Had to quit and surrender the van. I even had a team leader at the company offer me a raise if I'd switch vans with him.

    Are...
  24. Thread: Hoarders

    by cholden324
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    Nice toolbag. I've got one just like it and I...

    Nice toolbag. I've got one just like it and I love it...
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    You know, I really don't mind that these kinds of...

    You know, I really don't mind that these kinds of people are in the business. Think about it, if someone wants it fixed, they hire a professional on T&M. That's a great way to make money. You don't...
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