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Type: Posts; User: rclaoac

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  1. Replies
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    1,565

    I cut the rubber tubes back some more, about 12"...

    I cut the rubber tubes back some more, about 12" and connected to 1/4" aluminum tubing and compression fittings to the ports. The repair has held up, I guess the rubber tubes were in worse condition...
  2. Replies
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    1,565

    Yeah I'll try doing that. I was surprised at how...

    Yeah I'll try doing that. I was surprised at how quickly it cracked though. I cut it back a couple of inches so the tube slipping over the barb type fitting was in pretty good condition, pliable...
  3. Replies
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    1,565

    Blodgett oven pressure switch

    One of my customers has a Blodgett oven that would not fire. I found the pressure differential switch was not made. I've worked on other Blodgetts, but have not seen one with a pressure switch. ...
  4. Thread: pipe threader

    by rclaoac
    Replies
    6
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    967

    I agree, Ridgid all the way. I also like the...

    I agree, Ridgid all the way. I also like the REMS portable threader, I've used it on a lot of steel pipe in tight spaces. I think Westward is a Grainger company. I bought some Westward 24" pipe...
  5. I don't know of anyone I would recommend in the...

    I don't know of anyone I would recommend in the SD area. I suggest you go on the North American Technical Excellence (NATE.org) website. This testing organization is endorsed by ALL major equipment...
  6. Replies
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    3,471

    From my experience with mini-splits, they don't...

    From my experience with mini-splits, they don't shut down when they reach set point because the indoor fan, compressor and even the condenser motors ramp up and down based on load. The Fujitsu units...
  7. Mods- Remove pricing Poster- Read the rules, no...

    Mods- Remove pricing
    Poster- Read the rules, no pricing in this forum
    Original poster- I like the Honeywell electronic air cleaners. What you are referring to is the pressure loss across the...
  8. Replies
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    4,238

    What kind of flux do you guys use with Staybrite 8

    What kind of flux do you guys use with Staybrite 8
  9. Thread: 22 phase out

    by rclaoac
    Replies
    13
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    1,600

    I was told at York factory training that you...

    I was told at York factory training that you would not have to pull out a charge when you have a 410a leak. R22 is getting expensive, I stocked up on a pallet a few months ago and have seen prices...
  10. Replies
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    2,311

    A smoke test is done to identify leaks on...

    A smoke test is done to identify leaks on connections and joints in ductwork.
  11. 1) The system may not work right. Efficiency...

    1) The system may not work right. Efficiency will be affected. The net cooling will be degraded. No warranty on new condensing unit from the equipment manufacturer.
    2) You could replace an old...
  12. Replies
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    3,047

    Yes, it's a treated closed loop, I have pulled...

    Yes, it's a treated closed loop, I have pulled the barrel ends and the condenser tubes are not bad, I brushed them anyways.

    The pump is on the roof, I don't see it getting any more than a couple...
  13. Replies
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    3,047

    Condenser water loop

    I have a 9 floor building with a closed loop system feeding condenser water to 5 water cooled condensers on the fifth floor and (1) 4 ton water cooled a/c unit on the basement floor. My pumps,...
  14. Thread: subcontracting

    by rclaoac
    Replies
    3
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    727

    IRS stopped contractors from hiring subs? I'm in...

    IRS stopped contractors from hiring subs? I'm in California and have never heard of such a thing. I sub out work quite often. C-21? What is that? I'm a C-20, mechanical air conditioning and warm...
  15. Replies
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    2,185

    Re: hes not asking for your opinon!

    I understand what he is asking. I offer my opinion and advice to a fellow skilled tradesman, and hopefully a soon to be fellow licensed contractor, in hopes to guide him in making a good businsess...
  16. Replies
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    2,185

    Mike, study for the test. The questions on the...

    Mike, study for the test. The questions on the test are not suppose to be easy. The exam is designed to test the applicant on both the business aspects as well as knowledge of the trade. In other...
  17. Replies
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    736

    Are you sure that's chilled water piped to the...

    Are you sure that's chilled water piped to the coil? Maybe it's the condenser loop.
  18. Replies
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    2,681

    Got my NATE cert. not too long ago. The exam was...

    Got my NATE cert. not too long ago. The exam was a lot easier than the California Contractor exam. It's good to have something nationally reconized. I'm dissappointed at how the wallet cards and...
  19. I have been installing Fujitsu's for the last 2...

    I have been installing Fujitsu's for the last 2 years and so far, I've been happy with them. I recently tried to submit for a rebate from a local utility and found out the 16.5 SEER 2 ton unit I...
  20. Replies
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    1,300

    If it's an older coil, it will have to be...

    If it's an older coil, it will have to be replaced in order to get the 13 SEER efficiency.
  21. Replies
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    1,928

    The TXV opens and closes based on refrigerant...

    The TXV opens and closes based on refrigerant superheat of the outlet of the evaporator. Why would you want to vacuum with only one hose hooked up to the system? It would take longer and you'd have...
  22. Thread: solar screens

    by rclaoac
    Replies
    4
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    739

    You have to make sure the tint is the type that...

    You have to make sure the tint is the type that reflects rather than absorbs heat.
  23. Replies
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    647

    I installed 6 of these in July. The plastic...

    I installed 6 of these in July. The plastic motorized louvers made noise on one of the units and wallmounting metal plate is lightweight. You need to make sure that you put enough screws on the...
  24. Thread: short story

    by rclaoac
    Replies
    22
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    1,510

    Wow, 30K over asking is a lot. I guess that's...

    Wow, 30K over asking is a lot. I guess that's why the house was listed low in the first place, banks don't like owning properties, they just like to hang on to the loans. They routinely open with...
  25. Replies
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    4,068

    I think the cook should stick to his day job!

    I think the cook should stick to his day job!
  26. Replies
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    2,849

    tonybees is right, the last thing you want to do...

    tonybees is right, the last thing you want to do is run the line set and find out later that it is the wrong size. The newer equipment require larger line sets. The line sizes may also have to be...
  27. Replies
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    1,070

    What are you talking about? How would you put a...

    What are you talking about? How would you put a drain pan in a closet?? Do you know what an upflow is?
  28. Replies
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    4,434

    Moe, it would be hard for anyone to assist you in...

    Moe, it would be hard for anyone to assist you in pricing out your job without being there and seeing it. Labor costs vary from state to state. If I were you, I'd pick up a construction cost...
  29. Replies
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    1,070

    I think you misread my question. I'm asking if...

    I think you misread my question. I'm asking if it is required by code to pipe in the upper drain of an upflow evaporator coil drain pan, which is usually shipped with a red plastic plug. In a...
  30. Replies
    6
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    1,070

    On an upflow closet split system setup, does the...

    On an upflow closet split system setup, does the upper condensate drain need to be piped in according to code?
  31. Replies
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    21,544

    Kathy, if you have not run the heating portion of...

    Kathy, if you have not run the heating portion of your HVAC system, the is no carbon monoxide. CO is a product of combustion.
  32. Replies
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    2,104

    According to the homeowner the unit tripped out...

    According to the homeowner the unit tripped out on head pressure when it was running in the afternoon. The tech came out the following morning and found the head at 275. The pressures were likely...
  33. Replies
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    Let me know if you need a second opinion on your...

    Let me know if you need a second opinion on your install. I'm a licensed, and insured contractor serving the San Gabriel Valley area. Murrieta is normally out of our service area, but we have a...
  34. Replies
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    1,187

    Both lines need to be insulated. I have...

    Both lines need to be insulated. I have installed a couple dozen of the Fujitsu units in the last couple of years and have not had any problems with them. All of the newer models have inverter...
  35. Replies
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    1,431

    I'd like to see the pics of this job. If he made...

    I'd like to see the pics of this job. If he made a mess out of the return I would have him redo it. I cut in returns and never have to have drywall repairs after I finish the job.
  36. Replies
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    1,681

    Disconnect wiring to condenser fan and see if GFI...

    Disconnect wiring to condenser fan and see if GFI trips. If it holds, connnect the fan and disconnect the compressor. Don't change anything until you can prove it's faulty.
  37. Replies
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    21,544

    It's summer and in most parts of the country,...

    It's summer and in most parts of the country, most folks are running the cooling portion of their air conditioning systems. Unless you've been running your gas furnace, there is no chance of getting...
  38. Replies
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    714

    I've been installing mini split heat pumps, up to...

    I've been installing mini split heat pumps, up to 19 SEER, and they work great for old houses. Pricing is not allowed in this site, but the numbers you got from your friend are really cheap. I'd...
  39. If the vapor barrier was cut, the duct may...

    If the vapor barrier was cut, the duct may condensate in the future.
  40. Replies
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    3,634

    Dosen't matter too much, just make sure that the...

    Dosen't matter too much, just make sure that the pad is on solid ground and level. Plastic won't break down in a couple of years as one of your contractors suggested.
  41. Replies
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    3,824

    You could go with an EMS system, such as a JCI...

    You could go with an EMS system, such as a JCI Metasys system. Metastat temp sensors, UNT controllers for each of the 3 systems, NAE controller, throw in graphics and a tablet PC in each zone. You...
  42. Thread: leak detector

    by rclaoac
    Replies
    14
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    1,575

    TIF-zx-1 works for me.

    TIF-zx-1 works for me.
  43. Replies
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    1,284

    I would change out the line set if your old unit...

    I would change out the line set if your old unit failed from a bad burnout. The crud in the lines will cause the new unit to fail. Also, a lot of the older equipment have lines that are smaller...
  44. Replies
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    1,010

    Thanks for the reply. One of the guys in the...

    Thanks for the reply. One of the guys in the office called Southern California Trane. They said the Mdl# was no good and the closest thing they matched the numbers to was for a 1.8Ton unit. You...
  45. Replies
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    1,023

    I read your previous post. Since your system is...

    I read your previous post. Since your system is only 4 years old, a stuck TXV is no reason to replace the indoor coil. In your previous post, your pressures were 10 suction and 180 high. If the...
  46. Replies
    3
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    1,010

    I'm working on a Trane Mdl# BWD718A100A0. Looks...

    I'm working on a Trane Mdl# BWD718A100A0. Looks like a 1.5 Ton unit, someone replaced the compressor with a 2 ton Copeland. Valves leak on the compressor. Anyone out there know what the correct...
  47. Replies
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    868

    Manual D

    Manual D
  48. Replies
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    1,127

    But than you would have to find the nameplate.......

    But than you would have to find the nameplate.... which has the model number on it.
  49. Replies
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    1,127

    You could figure out the SEER rating of the...

    You could figure out the SEER rating of the condensing unit using the tonnage and the rated amps.
  50. Replies
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    1,345

    5/16" refrigeration copper is the same size as...

    5/16" refrigeration copper is the same size as 1/4" plumbing copper. Refrigeration measures outside diameter.
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