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  1. Replies
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    Parallel the coil of contactor with a small relay...

    Parallel the coil of contactor with a small relay to control heater on/off. See if you have enough room for a small relay and the coil of that relayís amp draw wonít cause problems on the controller...
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    The little bit of heat that is put in even at 5...

    The little bit of heat that is put in even at 5 degrees OSA will still cause the refrigerant to migrate else where in the system. The refrigerant wants to go where itís colder.


    Sent from my...
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    A tee and a couple of ref. ball valves good to...

    A tee and a couple of ref. ball valves good to go.


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    These effin people had my nutz cut off today! If...

    These effin people had my nutz cut off today! If I ever get dang cone off someone is getting a special surprise on their shoes! AND my legs donít work either!812804


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    If had been my private truck would have done...

    If had been my private truck would have done more. But in uniform and company truck parked outside bought my water and left.


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  6. Replies
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    If the old compressor was not pumping well,...

    If the old compressor was not pumping well, leaving oil out in the system, it didnít need a lot of torque to start spinning. The new compressor does, thatís why the noise is there . The motor is not...
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    Ms. Fruitcakes Sent from my iPhone using...

    Ms. Fruitcakes


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  8. Replies
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    Weird dive home

    Got done for the day and stopped at a Loveís fuel station to use the restroom and get a bottle of water. Everyday normal. As I am walking out of Menís room passed a slim person talking on the phone,...
  9. It was quite the box of meters and leads. ...

    It was quite the box of meters and leads.


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  10. One of the meters was a Fluke 435-II Sent...

    One of the meters was a Fluke 435-II


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    Keep the memories alive. I always get a smile...

    Keep the memories alive. I always get a smile thinking about the Christmas tree hunts we would go on. Show up at the ranger station get the permit and start the hunt. Down a muddy road with mom...
  12. I am with Chops small drives yes on load side....

    I am with Chops small drives yes on load side. But reaching into a 1100 HP on full tilt buggie no way. Even with a full arc flash suit. The drives have enough checks and balances in side to be very...
  13. If the PRV actuator end switch is not making...

    If the PRV actuator end switch is not making chiller will not shut down on soft stop. Panel needs the input from the end switch to shut down the chiller in a normal cycle off. If you have a PRV pot...
  14. Thread: 23XRV VFD

    by Chev5372
    Replies
    6
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    360

    The York YMC2 run the same way. Itís a function...

    The York YMC2 run the same way. Itís a function of the drive being able to drive the HZ higher then 60 HZ. Which is a good thing because the power provider charges for the incoming KW not whatís...
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    479

    No that would be to big. Get the small one. ...

    No that would be to big. Get the small one.


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  16. Thread: LightStat

    by Chev5372
    Replies
    5
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    620

    Placement is key. Stores love to put products in...

    Placement is key. Stores love to put products in front of them so the stat never seeís light and lets the unit run. The direction the store faces can cause the same problem. Been on a number of calls...
  17. Replies
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    You got the right idea with the scales. I just...

    You got the right idea with the scales. I just would not leave it alone. There is things to do to get the compressor ready to pull so at least you will be on the roof while recovery is happening.

    ...
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    1,118

    They would fill unevenly, the slight variations...

    They would fill unevenly, the slight variations in header length or temperature on the tanks would cause that. That being said it would be a fun experiment if you sat and monitored the recovery....
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    Could be FULL LOAD LIMIT, your BAS may have it...

    Could be FULL LOAD LIMIT, your BAS may have it worded weird. The Opti-view panel will accept a signal for demand (current) limit. The BAS would see that thru a E-link not dry contracts. When your BAS...
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    You can pick up some rods at Loweís/Home Depot in...

    You can pick up some rods at Loweís/Home Depot in the hardware section. Donít use all- thread it can be to hard on the copper tubes.
    Look into using chilled water instead of the tower water , it is...
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    Turn off the other systems to load up the one...

    Turn off the other systems to load up the one running compressor and see if starts to fill the flash tank. Let that system get stable for 10-15 minutes to determine what is going on. Do that for each...
  22. Look for Honeywell T775 series of controls. They...

    Look for Honeywell T775 series of controls. They can be configured for osa reset and have a connection for a contact closure to turn off. It can also be locked so the programming canít be changed. ...
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    705

    Also depends if itís going back on a York or...

    Also depends if itís going back on a York or another brand , for the feed oil.


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    705

    Does it have the small pump or just the purge...

    Does it have the small pump or just the purge drum?


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    1,170

    Our board quit reading discharge air temperature...

    Our board quit reading discharge air temperature sensor, even if the sensor was hot wired right to the board. That alarm would not clear. So the cost of the new board and their dislike of control...
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    There are no retro kits and the logic board is...

    There are no retro kits and the logic board is about 12K. We just tore one out so the in house controls guys could take over. They never like the way it ran anyway nor could they get their heads...
  27. Replies
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    After awhile you will figure out what works best...

    After awhile you will figure out what works best for you and your skill level. The farther away you dump liquid into the suction of a running system the smaller the chance of compressor damage. If...
  28. Replies
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    If you have a suction port by the evaporator...

    If you have a suction port by the evaporator coils you can feed liquid there thru one of the cores while running . The suction accumulator will be a big help keeping liquid from getting to the...
  29. Replies
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    1,413

    Liquid R-22 goes in system liquid beer goes in...

    Liquid R-22 goes in system liquid beer goes in you!


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  30. Replies
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    Thatís why suction came up . Put that coil back...

    Thatís why suction came up . Put that coil back to normal, so coil wonít burn up being off the stem and to control flood back until system gets stable thru itís own controls.


    Sent from my iPhone...
  31. Replies
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    1,413

    Okay did you still have your magnet on the one...

    Okay did you still have your magnet on the one solenoid?


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  32. Replies
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    Did the suction pressure come up , if not thatís...

    Did the suction pressure come up , if not thatís good means all the valves are holding, but compressor may not start due to low pressure safety being open . If so put some vapor in until safety...
  33. Replies
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    No liquid at compressor head , just the liquid...

    No liquid at compressor head , just the liquid port and when stops taking gas start up the system and charge thru the suction port. Keep checking your super heat and sub cooling as you go. They will...
  34. Replies
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    You can see the difference your vacuum set up can...

    You can see the difference your vacuum set up can make , in just a few hours way ahead of the first try. Good job!
    When are you going to change?


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  35. Replies
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    That should be fine for changing . How low is...

    That should be fine for changing . How low is your microns now?


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  36. Replies
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    Is there a suction service on each compressor if...

    Is there a suction service on each compressor if so there just may be a pipe plug in the other service valve. Adding charge to the one port will let gas get to both compressors. Sounds like the...
  37. Replies
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    There should not be a liquid line on top of the...

    There should not be a liquid line on top of the compressor only discharge. It is one system with tandem compressors , share discharge and suction line plus one line to keep oil dumps equal.
    As...
  38. Replies
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    Sounds good. Make your self a stubby gauge set ,...

    Sounds good. Make your self a stubby gauge set , compound gauge with a very short adapter to core depressor. Now you can go around the system and see what is pulling down or not. This will help you...
  39. Replies
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    When pulling vacuum all parts of the system will...

    When pulling vacuum all parts of the system will be the amount of microns. Your 800 number is at the pump use the port on evaporator coil to get a true reading. Try to use a port as far from the pump...
  40. Replies
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    The more restrictions you remove from system to...

    The more restrictions you remove from system to vacuum pump the faster the pull down. Sounds like you are on the right track.


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  41. Replies
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    How low , in microns, will your vacuum pump pull....

    How low , in microns, will your vacuum pump pull. Put your micron gage on the pump and see if it can get at least 100. If running two vacuum pumps they may be fighting each other.


    Sent from my...
  42. Dose the piping feed one coil or two coils....

    Dose the piping feed one coil or two coils. Single coil in the past a lot of the time used a heat recovery heat exchanger on the chiller to add head to the heating loop.


    Sent from my iPhone...
  43. Replies
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    I am going to guess that this a single dot matrix...

    I am going to guess that this a single dot matrix panel. If so the logic on the ACC board was set pretty tight . The ACC is looking at DP/P , Hz, PRV position and how far from set point chiller is....
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    What is the Hz and PRV position when all this is...

    What is the Hz and PRV position when all this is happening. Check that the leaving temperature sensors are all the way down in the wells and the silver heat transfer paste is still soft. If the...
  45. Replies
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    456

    History will not keep the chiller from starting....

    History will not keep the chiller from starting. There is something in starter that is open. Check your wiring diagram, itís not the CM-2 board.


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  46. Replies
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    Did you get any candy when you finished? There...

    Did you get any candy when you finished?

    There used to be a candy manufacture we did work at , they closed down. The smell of sugar and flavors was overwhelming when you walked thru the front...
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    Ok whatís the weird thing in the back ground?...

    Ok whatís the weird thing in the back ground? Cement mixer?


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  48. When you had the oil pump out was the drive tang...

    When you had the oil pump out was the drive tang and slit on end of crankshaft in good shape. There were problems years ago with harden oil pump drive shafts that wore out the crankshaft slot.

    ...
  49. Thread: New job offer

    by Chev5372
    Replies
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    3,827

    Nope not me ,getting ready for sleepie time. ...

    Nope not me ,getting ready for sleepie time.


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  50. Thread: New job offer

    by Chev5372
    Replies
    46
    Views
    3,827

    What are we talking about ? Trying to help this...

    What are we talking about ?
    Trying to help this guy decide stay or go.
    If he has time on his hands he could take the right classes and run the department at the school and get his kids thru higher...
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