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  1. Replies
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    Fixed your typo for you :p

    Fixed your typo for you
    :p
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    When you put the new fence around the condenser,...

    When you put the new fence around the condenser, be sure to leave 18" clearance for airflow. Also, plan ahead for the repair tech and leave 36" clearance in front of the service access panel on the...
  3. That is the correct solution.

    That is the correct solution.
  4. Thread: DC Noise

    by Brian Cover
    Replies
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    1,777

    Running the motor under NO load will let the...

    Running the motor under NO load will let the smoke out of the motor.
    The factory does not put extra smoke in the motors when they manufacture them and there is no way to put the smoke back in the...
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    You are making a common mistake.

    Just because the dust ports are only 4", that does not mean that you have to use 4" branches. You should install a 4 to 5 or 4 to 6 reducer and then use the larger branch. That will greatly increase...
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    20,000 hours at 392˚F is many years of abuse. 10...

    20,000 hours at 392˚F is many years of abuse. 10 years running continuously 40 hours per week; to be precise.
    Definitely over thinking this.
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    You are over thinking this.

    The manual says,"that the motor should be on a circuit break at least 20amps @ 220V"

    So what is the problem?

    Put it on a 20 amp circuit and enjoy it.
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    The thermal efficiency of any block wall is very...

    The thermal efficiency of any block wall is very poor. Just adding 1x2 fir strips and plain drywall actually doubles the R value. If you used 2x2 fir strips and put the cheap white foam board behind...
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    Water boils at 212˚F

    and skin burns at 190˚F

    The motor is rated to 311˚F, so your are quite wrong in your statement.

    The only problem is his lack of willing to believe what the engineers said.
    The motor draw is...
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    As an HVAC contractor, I can tell you...

    Actually, that is incorrect. The radius of the throat of the elbow has the most effect on air flow. A larger radius with flex will have less friction than a short radius 90 in PVC pipe. A short...
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    That is the wrong tool

    What you want is a manometer. Static pressure is measured in inches. The actual measurements are water column inches; not mercury. You can buy a calibrated water kit at HF for under $10 or you can...
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    I'm an HVAC contractor

    We have installed a few mini splits for customers and they generally do the job quite well. Since you are adding the heat strips, you won't have the usual problem of lack of heat in the sub freezing...
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    If you are planning to use a sander or other high volume tool, get 1/2" hoses.

    1/4" hose would be ok for a brad nailer and if the hose is not more than 25' long. Exchange the hose for a couple of 3/8" hoses 25' and 50' long.
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    The problem is that they do not want to plug the leak.

    They want to cap and then continue pumping oil from the pipe. That will save them millions of dollars by eliminating the need to drill a new well.

    As far as the product you suggest, it does not...
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    As an HVAC contractor, I can tell you...

    The proper amps is not the rated amps on the motor.

    The problem with your cooler motor is due to the drive pulley being adjusted too large and the result is too much load on the motor.

    We...
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    Here is the real life answer

    Contrary to what many posters presume, in real life under load, the higher RPM motor will run less hot due to the higher ratio. The load on the driven pulley is presumed to be a constant in this...
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    Why not just drill a hole in the side of each...

    Why not just drill a hole in the side of each panel and bridge them with 1.5" conduit? That is much easier than trying to route wires through a hole in the wall, through a stud, and back into a...
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    You have it backwards

    PVC is many times more expensive than metal duct.

    6" adjustable metal elbows are $2
    6/6/6 metal wye's cost me about $8
    6/6/4 about the same
    6" 26g 10 foot spiral duct costs about $16
    4" 26g...
  19. Thread: Wiring 240

    by Brian Cover
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    4,403

    Never use a breaker rated higher than the motor requires

    The only problem is that you have equipment designed to run on a 20 amp protected circuit that is on a 30 amp breaker. The motor has no protection from damage. The wiring in the equipment can be...
  20. Thread: Wiring 240

    by Brian Cover
    Replies
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    4,403

    To save money..

    use the correct 20 amp plug and receptacle. They are half the price of that 125/250 plug and receptacle.
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    Yes, you can, and it is easy

    For future reference, yes, you can check a 220v machine in ANY home.
    All homes have 220 volt feeds. All 110 circuits are half (one leg) of the 220 feeders. You can take a 110 extension cord from an...
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    Yes, the voltage under load (measured when the...

    Yes, the voltage under load (measured when the motors are running under load) will always be affected by the length of the wire. Longer runs require fatter wires.

    Go to Home Depot and get "Ugly's"...
  23. Thread: Wire size

    by Brian Cover
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    4,760

    Chances are that you will be overloading your main service to the house, but..

    Number 2 THHN or THWN wire in conduit is the best choice without breaking the bank. Direct burial is never a good idea. Conduit 24" below grade is much more safe and durable. I used 1.5" grey PVC and...
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    Better make that 2 fire extinguishers.

    One very important thing to consider when finishing interior walls is that drywall has fire resistance and plywood or OSB do not. 5/8" drywall is what you should use. Many locales will make you put...
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    that'll cost ya

    Based upon your example of wanting 3 finished boards that are 1x3"

    If you buy 3 boards that are 5/4 by 4" of a given length, it will cost you more than a single board of 5/4 by 10" of that...
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