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Type: Posts; User: Jpaulsmith

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  1. I have seen lower seer units run higher head...

    I have seen lower seer units run higher head pressures in extreme heat due to smaller coil surface area. I always charge using superheat if I have a piston system. IMO you need to add gas.
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    Call you Trane Rep. They should be able to tell...

    Call you Trane Rep. They should be able to tell you if you have model and serial.
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    Did you clean the coils or just spray them down...

    Did you clean the coils or just spray them down with water? Lint is hell on coils.
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    Sounds like its the outdoor TXV. I've replaced...

    Sounds like its the outdoor TXV. I've replaced many of them in rheem and rudd heat pumps.
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    what is the reason for wanting to increase the...

    what is the reason for wanting to increase the blower size?
  6. Thread: retro fit

    by Jpaulsmith
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    458

    How long is the line set? Vertical or ...

    How long is the line set? Vertical or horizontal? If the old system is R-22 you need a new line set anyways unless your a fan of the R-11 flush.
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    If you have 3 indoor units then make sure the...

    If you have 3 indoor units then make sure the control wires and the pipes are matched to the right unit. You should have 3 pipe ports marked A B C same with the control wires terminals inside the...
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    You will also need duct detectors in the units...

    You will also need duct detectors in the units and a remote shutdown switch. You need to measure you windows, doors, heat load from sound system or musical instruments. What kind of insulation does...
  9. You need to check you loop gpm. The min on a...

    You need to check you loop gpm. The min on a cgam chiller is 102gpm. I had the same problem with one. They had the pumps set up for the air handlers which was 92 gpm.
  10. If they fried the bulb at install TXV will not...

    If they fried the bulb at install TXV will not work properly.
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    what makes you think the coil is clogged? Did...

    what makes you think the coil is clogged? Did you check the filters?
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    What model liebert is this?

    What model liebert is this?
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    Sounds like your problem isn't with the p-66 or...

    Sounds like your problem isn't with the p-66 or the motor.
  14. Did you check the S.P in the supply duct? Sorry...

    Did you check the S.P in the supply duct? Sorry asking so many questions.
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    if you have 2 going to the condenser one has to...

    if you have 2 going to the condenser one has to be a common. Being that the furnace is 1974 has anyone checked the heat exchanger I bet that thing is full of holes.
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    Whats wrong with it?

    Whats wrong with it?
  17. return sounds small for a furnace capable of...

    return sounds small for a furnace capable of moving 3 tons of air.
  18. Sticky: Well I need a job after being laid off at a...

    Well I need a job after being laid off at a construction company. Seen an ad for a helper position at a local heating and air company. After a year I decided to go to college for the HVAC trade. ...
  19. What size was the unit and what size was the duct...

    What size was the unit and what size was the duct work?
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    yellow jacket makes a tool its about 30-40 bucks...

    yellow jacket makes a tool its about 30-40 bucks but it works great for units still under pressure. I thinks its called core-vacuum charge tool.
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    I may be mistaking but doesn't the P-66 act like...

    I may be mistaking but doesn't the P-66 act like a VFD in that it lowers and raises voltage to the fan to control the speed? If so is your motor rated for that. Have you made sure your P-66 is...
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    whats the voltage on the motor? Is your motor...

    whats the voltage on the motor? Is your motor grounded properly?
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    Ohm your motor wires to ground to see if it is...

    Ohm your motor wires to ground to see if it is indeed grounded.
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    See if you can find the Trane Commercial Load...

    See if you can find the Trane Commercial Load Caculation program. Its very helpful when sizing stuff like churchs, gyms etc. The main thing you want to do is figure out your heat load, like how...
  25. Converting 3 phase to single phase will not be...

    Converting 3 phase to single phase will not be hard as long as it is a 208/230 volt power supply. All I can say about the City Multi is to be sure your are commisioned and certified to install and...
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