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Type: Posts; User: Hrdworkingacguy

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  1. Replies
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    Yes it needs a branch box...:eek:

    Yes it needs a branch box...:eek:
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    It seems I had my facts mixed up a little...M...

    It seems I had my facts mixed up a little...M Series is good for around 33-35' on the factory charge...Its the P Series that is good for 65, 75, or 100' depending on the size of the machine...Either...
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    Factory charge on m series is good for 65' p...

    Factory charge on m series is good for 65' p series is a little more. I hope in a server room they are using a P Series:eek:
  4. If you open it you should pull a vacuum....

    If you open it you should pull a vacuum. Sometimes leaky valves will cause problems. :eek:
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    On mylinkdrive.com under tech tips there is a...

    On mylinkdrive.com under tech tips there is a video about removing the blower wheel. The motor is just a few screws more...The instructor is Jeff from Mitsu. Sounds familliar...:eek:
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    Low suction temp/pressure, high head pressure, or...

    Low suction temp/pressure, high head pressure, or pan switch seeing water are the usual suspects...:eek:
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    The rep here usually disables the earth fault...

    The rep here usually disables the earth fault protection when we have intermittent issues. They don't feel it's a big deal to do so because of redundant safety devices...:eek:
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    There is custom, that thing there is...

    There is custom, that thing there is ultra-custom...:eek:
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    You have some kind of liquid restriction on all...

    You have some kind of liquid restriction on all three units. Doesn't necessarily have to be a bad metering device though...:eek:
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    Arizona hvac market is what you make of it...I...

    Arizona hvac market is what you make of it...I have survived 17 years so far...:eek:
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    30 years with Parkinson's seems awful. He's...

    30 years with Parkinson's seems awful. He's called the greatest for a reason(though I don't understand why). I wish I understood the Islam thing but I am to young...rip...:eek:
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    The drier that York uses is a Sporlan solid core...

    The drier that York uses is a Sporlan solid core drier. It doesn't have dessicant BB's to blow out when the screen fails. It's an off the shelf item at most supply houses...:eek:
  13. Pull the power from the pump. Remove the blue...

    Pull the power from the pump. Remove the blue plug...:eek:
  14. The top port that's blue is the condensate pump...

    The top port that's blue is the condensate pump that needs to be disabled internally if you are using a gravity drain. It's the blue plug with the yellow wires...:eek:
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    I like the fact the wires don't go through a...

    I like the fact the wires don't go through a grommet or a chase nipple when they go through the back of the disconnect. Sharp edges, time, and powered up wiring don't go well together. That...
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    Airflow...:eek:

    Airflow...:eek:
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    York actually uses a solid core drier for a...

    York actually uses a solid core drier for a muffler on their scroll machines. It's not a muffler, it's a drier doing the job of a muffler. 30 degree temp drop is bad, it needs to be the right drier...
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    That's a Carel pco5 with daikins name on...

    That's a Carel pco5 with daikins name on it...:eek:
  19. Everybody does that Trane, jci, carrier. Everyone...

    Everybody does that Trane, jci, carrier. Everyone but us that is. I refuse to step on toes...:eek:
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    If the flow changes drastically and to quickly...

    If the flow changes drastically and to quickly the chiller wont keep up...PID's aren't meant to change that fast...Slow the valve down and let the chiller unload and maybe this problem goes...
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    If its a York and that's a solid core that...

    If its a York and that's a solid core that supposed to be there and was there before the compressor was replaced...If it has little BB's held in by a mesh screen they are probably floating around the...
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    The bypass and flow meter need to be setup and...

    The bypass and flow meter need to be setup and calibrated to ensure minimum flow...What type of compressor is on this chiller? Sounds like a screw, but I don't know from the model# alone...:eek:
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    I talked to 4 different people yesterday that are...

    I talked to 4 different people yesterday that are either Superintendents or GC's running a HUGE commercial project and have 30 years in the trades...When I told them about this thread and sealing the...
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    Just out of curiosity is that a York unit? :eek:...

    Just out of curiosity is that a York unit? :eek:

    BTW you probably have a liquid restriction also.
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    Someone's enter key is broken...:eek:

    Someone's enter key is broken...:eek:
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    No one ever does that in Arizona. Seal the...

    No one ever does that in Arizona. Seal the outside yes(most of the time) never have I seen where the liner comes together sealed...:eek:
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    A molecule of 410a is like 7x larger then r22. So...

    A molecule of 410a is like 7x larger then r22. So 410a needs more coil volume to do the same work as 22. The trade off is 410a takes less energy to compress ...:eek:
  28. Digital gauges are unnecessary, expensive, and...

    Digital gauges are unnecessary, expensive, and not durable. I like analog. I have had the same 4 sets for 8 years with no issues.

    If the high side is fluttering like crazy from 175 to 275 faster...
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    Funny how the unit pitches to the right with the...

    Funny how the unit pitches to the right with the drain on the right. To bad the drain fitting is on the left side of the pan.

    Probably figured they pitched the unit toward the drain so it drains...
  30. Nope...:eek:

    Nope...:eek:
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    You don't. You have to pull them out and replace...

    You don't. You have to pull them out and replace the header assembly...:eek:

    I think I read correctly that there was a drier in the discharge line and now there isn't? There is no such thing as a...
  32. +1 I use Titan II manifolds with liquid filled...

    +1

    I use Titan II manifolds with liquid filled gauges and a fluke dual temp thermometer. I am not a big enough alcoholic to need my gauges to email me...I just remember what they say or write it...
  33. Replies
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    JB dv-200n...:eek: Only vacuum pump I have...

    JB dv-200n...:eek:

    Only vacuum pump I have ever had in my 17 years in the trade. I bought it in '98 and it's still running today. Best $245 I ever spent.
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    Good point. If your going to put 410a through a...

    Good point. If your going to put 410a through a 22 compressor I give it about an hour. I assumed he was running 22 with the 22 compressor in my last post...:eek:
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    Putting a 15 ton r22 compressor where a 15 ton...

    Putting a 15 ton r22 compressor where a 15 ton 410a used to be will do something...What is hard to know...Coil volumes are different for same tonnage 410a vs 22. Most likely you will have high...
  36. He has a field piece meter. Most of the problem...

    He has a field piece meter. Most of the problem right there...:eek:
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    It's probably a aux contact on the...

    It's probably a aux contact on the starter/contactor that proves status. Does the compressor start then shut off? :eek:
  38. 1-800-433-4822 :eek:

    1-800-433-4822 :eek:
  39. Replies
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    If the drain was capped before the install it's...

    If the drain was capped before the install it's on you, after its on the home owner. If it was capped when you got there and you charged me to come back and fix it I would never deal with your...
  40. I turn on the pump with the previous jobs oil,...

    I turn on the pump with the previous jobs oil, let it get warm, then stick it in a Gatorade bottle, then make it go away...Then I triple evac and change the oil again on the last or second to last...
  41. Units that are in opposite modes go into...

    Units that are in opposite modes go into standby...:eek:
  42. This is clearly a restriction with an...

    This is clearly a restriction with an undercharge. The only reading that's correct is the subcooling...Get the factory charge in it and it will be obvious...Add more refrigerant and my guess is only...
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    I didn't think field server handled floating...

    I didn't think field server handled floating point numbers...I will look in my manuals from the class I took...I always use int16 for a data type...:eek:

    106.6 is stored as 1066 and you have to...
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    Log into the field server and check under view...

    Log into the field server and check under view the client side data array and see what the value is there. The only way I know of to see what's going on...You can enable writing and stick a value in...
  45. Return can be sensed from the indoor unit or the...

    Return can be sensed from the indoor unit or the thermostat/sensor...If it's the indoor unit you would want air movement...:eek:
  46. There is a dip switch on the indoor unit that...

    There is a dip switch on the indoor unit that stops the fan when it's satisfied. Look up the service manual for the indoor unit on www.mylinkdrive.com...:eek:
  47. Performance pay benifits the business owner, and...

    Performance pay benifits the business owner, and sales techs. Basically it doesn't pay to have any morals. :eek:
  48. Replies
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    My 902 is just one of several meters I use. I...

    My 902 is just one of several meters I use. I have owned 2 of them in the last 10 years. My original just got retired. It works great just looks beat up. It's my quick easy meter to check the basics....
  49. Mitsubishi units (for the most part vrf) have a...

    Mitsubishi units (for the most part vrf) have a linear expansion device (exv) with a cap tube metering device after it.

    The LEV is modulated to control to 3-6 degrees of superheat. It's more of...
  50. I have tried my entire career to eliminate the...

    I have tried my entire career to eliminate the residential service and sheet metal references from my resume...Residential sucks and I don't want to deal with it. But that's just my opinion. It is a...
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