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Type: Posts; User: mizzouhvac

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  1. Replies
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    I suggest getting a magnehelic gauge. This way...

    I suggest getting a magnehelic gauge. This way you can accurately troubleshoot if its the mechanical part of the swith or something else like a blocked flue/intake etc by measuring the accutal "w.c....
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    Ya its through MOV. Thanks for the advice, I...

    Ya its through MOV. Thanks for the advice, I found the downloads too. Thanks again, looking forward to the class.
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    1,643

    Niagara AX cert class

    Myself and another coworker are headed to Minnesota in March to take the Niagara AX certification class, have any of you taken this class? And if so do you have any suggestions for getting the most...
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    I was installing a new outdoor unit at this...

    I was installing a new outdoor unit at this couples house and needed a disconnect. This was back before everyone had a cellphone so I had a pager # to page my boss with the owners house number. So I...
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    I work in all weather conditions. Rain, snow,...

    I work in all weather conditions. Rain, snow, heat, night or day. However I will never put my personal safety at risk. No matter what the circumstances. I have never been on a job or met a customer...
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    I would agree that reading the manual to...

    I would agree that reading the manual to familiarize yourself with the unit should be your first step. In the alarms and alerts section it will give you possible causes to your issue. I have alot of...
  7. Thread: Irene

    by mizzouhvac
    Replies
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    2,666

    I was based at NAS Pensacola in '04 when...

    I was based at NAS Pensacola in '04 when hurricane ivan came through. The devastation was just unreal. I had never experienced that kind of power. Amazing. We were evacuated to blue angels elementary...
  8. 1. Airflow and waterflow. Often overlooked and...

    1. Airflow and waterflow. Often overlooked and misunderstood.
    2. It all begins with week one day one basics. Superheat, subcooling and the basics of electricity.
    3. Always have a good friend in the...
  9. Replies
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    As mentioned before you should be ok with a...

    As mentioned before you should be ok with a plus/minus 10%. However I use this as a rule of thumb and get the right capacitor. Ill use the plus/minus to get a customer by till I have the right part....
  10. Thread: On call pay

    by mizzouhvac
    Replies
    82
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    19,670

    We get time and a half for anything over eight...

    We get time and a half for anything over eight hours and its all time and a half over fourty hours. Most of our guys get a $75 dollar "bonus" for being on call if they live "in town". I live in a...
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    Jp, you broke the cardnial rule of callout, just...

    Jp, you broke the cardnial rule of callout, just like fight club....never talk about callout lol. Just part of the job ya know.

    Beenthere, thanks for the assist. Was posting from my new...
  12. Replies
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    1,025

    Sorry thats supposed to read whats the rest of...

    Sorry thats supposed to read whats the rest of the hvac world up too?
  13. Replies
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    Whats the rest of the HVAC world up too?

    So its saturday. 8:30. Im in a factory. An hour from home working on a chiller. Got me thinking, whats the rest of the hvac 0 up too? Callout like me?
  14. Replies
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    Your customer needs to keep in mind that if he is...

    Your customer needs to keep in mind that if he is running an exhaust hood @ 10,000 cfm he needs to be bringing fresh air back into the facility via a mau. Expense or not he needs to make that...
  15. Replies
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    1,179

    I see that alot in my neck of the woods too. I do...

    I see that alot in my neck of the woods too. I do not know the reason myself why other techs do this. My best guess is they do not understand how a refrigeration system works and this was their best...
  16. Replies
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    10,230

    This is a 24/7/365 field. Nights, weekends,...

    This is a 24/7/365 field. Nights, weekends, holidays, we have to do em all. Some techs call this a job, I call it my career. The biggest disadvantage I have found through my years is I always know...
  17. Thread: Short cuts

    by mizzouhvac
    Replies
    28
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    1,817

    To our 3 year tech, This is fantastic advice. I...

    To our 3 year tech, This is fantastic advice. I could not have said it better myself. Not to be rude but do yourself AND your customers a favor and hit the hvac books and study, study. And then prove...
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    Not knowing all the particulars of your situation...

    Not knowing all the particulars of your situation it sounds just by what you are posting that your issues might be more of airflow and duct design issue than anything. I would recommend that you have...
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    7,306

    txv brazing techniques

    Like many of you Im sure, I am always looking for new tips and techniques on how to do my job better. So I have a question for you all. In my opinion the number one enemy of a txv,(not including...
  20. I would recommend getting a pro tech to look at...

    I would recommend getting a pro tech to look at it. The crankcase heater should be replaced, and at a bare minimum the wiring should be repaired before it shorts out.
  21. Replies
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    It sounds like you are in a tough situation and...

    It sounds like you are in a tough situation and you have my sympathy. It sounds by what you are saying that your landlord is sending out a tech that clearly does not know what he is doing. I suggest...
  22. Replies
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    Is this a 3-phase or single phase compressor? If...

    Is this a 3-phase or single phase compressor? If it is noisy and getting hot the rotation may not be correct.
  23. Replies
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    448

    Am I the only one?

    I can tell how busy we are based on how often my phone rings during the day. Just curious if I am the only one who gets plucked from job to job, especially when doing maintenance. When I am working...
  24. Replies
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    6,428

    I have begged our service dept to provide...

    I have begged our service dept to provide uniforms. We get cheap t-shirts, and button downs that need a extra button. We have to provide everything else pants, boots, safety equip. Our installers...
  25. I didnt do this but was on the job when it did,...

    I didnt do this but was on the job when it did, seriously! We had installed a new cooler, two evap on one condenser. I had the guy working with me start pulling a vacuum, etc while I was wiring the...
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    I have used co2 in a pinch. Like the guys said...

    I have used co2 in a pinch. Like the guys said sometimes you gotta do what you gotta do on the job site to take care of a customer. I always figured that if I am evacuating to 500 microns the system...
  27. As mentioned before if you get the model and...

    As mentioned before if you get the model and serial you can look up the information from the manufacture online and see their recommended procedures for troubleshooting a system low on charge. Since...
  28. Thread: New job

    by mizzouhvac
    Replies
    8
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    869

    Ask questions and don't be afraid to make...

    Ask questions and don't be afraid to make mistakes. We all do, but the best techs learn from them. Remember the basic fundamentals for hvac they apply to every system. Best of luck.
  29. Replies
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    You should have no problems if you braze with...

    You should have no problems if you braze with nitrogen. I wouldn't braze any other way. I also pressurize and leak search with nitrogen and then triple evacuate my systems down to 500 microns. If you...
  30. Replies
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    You will find that the field is where you learn....

    You will find that the field is where you learn. I had a education like you and then at 19 was fed to the wolves, it was "here you go kid, fix this furnace". But going on fifteen years later here I...
  31. Replies
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    If all calls only took a push of a button or...

    If all calls only took a push of a button or filling a unit till there were no bubbles in a sight glass i could teach my three year old son how to do my job. Our industry has always been stubborn and...
  32. Replies
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    Wow thats scary. Makes you ask what tech in their...

    Wow thats scary. Makes you ask what tech in their right mind???? A few years ago I "assumed" on a three pole disconnect. I still had one leg hot from the broken switch, I will never make that mistake...
  33. We always schedule our ice machine cleanings in...

    We always schedule our ice machine cleanings in advance and request that they are empty. Sometimes they are not when I get there so I do it. Its just my opinion but thats how I prefer to service them...
  34. Thread: why 55deg?

    by mizzouhvac
    Replies
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    1,117

    The co I work for services several vav systems...

    The co I work for services several vav systems and we have the same energy efficiency arguments. Viceman is right, its not 1960. We vary our dat based on outdoor ambient. The facilities we service...
  35. If your duct is sized properly your system can be...

    If your duct is sized properly your system can be balanced to provide even air distribution throughout your house. No matter where the air handler is located.
  36. Replies
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    If you buy a new car you still change the oil...

    If you buy a new car you still change the oil every 3000-5000 miles right? Having your system inspected on an annual basis is well worth it. You have invested your hard earned money into a quality...
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    I too normally use a 3cfm on residential and 6 on...

    I too normally use a 3cfm on residential and 6 on commercial. Change the oil too! It only takes a few minutes to do. I like to triple evaucate most of my systems and use a micron gauge. I have been...
  38. You should be ok. Hopefully your system has a...

    You should be ok. Hopefully your system has a high pressure switch to provide protection to the system.
  39. Replies
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    It sounds like it is not all glued together. Alot...

    It sounds like it is not all glued together. Alot of times on a concentric kit the intake will not be glued together. The intake is for combustion air to your furnace and I usually find them dry...
  40. This is always an interesting conversation to see...

    This is always an interesting conversation to see how techs approach the same scenario with R414B vs 134A in this case. I took a 3-day Copeland class several years ago and an old, old school tech...
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    The scroll temp protection can throw you for a...

    The scroll temp protection can throw you for a loop if you haven't ran across it before. Its a great feature for compressor protection, but one of our techs condemed a compressor that was not bad for...
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    Yes sir wax it is.

    Yes sir wax it is.
  43. Replies
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    1,222

    Yes this is the original comp on this system....

    Yes this is the original comp on this system. Thought I would share this pic with you all. A little background on this jobsite...this is the second system like this i have found. This particular...
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    1,222

    compressor killer

    I went to change out a compressor at a local factory yesterday and this is what I found in the system. I hope the pic posts, first time trying to attach a photo. Its not the best pic but it looked...
  45. The way I approach a call like this would be to...

    The way I approach a call like this would be to determine if the evap temp is low enough to close the switch. Hvac wiz 33 is right on the money, that should be your first step. Verify that coil is...
  46. Replies
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    7,538

    Depends on how much you dislike your hvac tech...

    Depends on how much you dislike your hvac tech that services your equipment! If you want to make his job tougher(i.e. more expensive) put er under the deck. As a side note....did a under the deck...
  47. Carrier's Infinity series heat pumps utilizes the...

    Carrier's Infinity series heat pumps utilizes the "Silencer System II". The company I work for has installed several of these where noise level is a concern. They also have a "quiet shift defrost...
  48. My recommendation is that you hire a professional...

    My recommendation is that you hire a professional to install your equipment.
  49. Replies
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    ComfortContol, when I first got in the field I...

    ComfortContol, when I first got in the field I had problems like this. I still see it with our new guys today. I highly recommend getting a magnehelic gage. It will make troubleshooting a pressure...
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    Is this system utilizing a fan control center?...

    Is this system utilizing a fan control center? Given the age of the unit with a combination fan/limit for the heat cycle, I assume it uses a fan control center. If this is the case then the fan in...
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