Search:

Type: Posts; User: TGoodrich

Page 1 of 3 1 2 3

Search: Search took 0.01 seconds.

  1. Replies
    64
    Views
    6,208

    TopDeadCenter, What did you find out when the...

    TopDeadCenter,

    What did you find out when the case refurbishers showed up? I am having the same problem with Hussmann RL freezers. It looks like the ice is sealing the fan shroud against the...
  2. Replies
    0
    Views
    513

    MO49Plus to replace R-134a?

    In the interest of cutting down on the inventory we carry in the trucks, I would like to use the new R-437a (MO49Plus) to replace R-12, all of the R-12 replacement blends, and R-134a. We use a very...
  3. Replies
    25
    Views
    4,225

    Hey... Guess what. I called our electric...

    Hey... Guess what. I called our electric utility. They installed a voltage & current recorder on my meter. It showed huge voltage fluctuations. Our entire street was on one 20 KVA transformer two...
  4. Replies
    9
    Views
    1,559

    I was at the food court in the mall and needed to...

    I was at the food court in the mall and needed to tighten an oil sight glass that was leaking. I thought "Sears"! They have all kinds of sockets and automotive tools. After a half hour of...
  5. Replies
    4
    Views
    572

    Superheat on a low temp system is generally kept...

    Superheat on a low temp system is generally kept to a minimum to increase efficiency and to facilitate oil return. R-502 was almost exclusively used on low temp systems in the past. So I would...
  6. Replies
    25
    Views
    4,225

    I appreciate all of the good comments. I am...

    I appreciate all of the good comments. I am going to install a potential relay and start capacitor. I'll let you know if it makes an improvement. What is the talk about "balancing" the power...
  7. Replies
    22
    Views
    1,566

    I tend to agree with all of those who recommend a...

    I tend to agree with all of those who recommend a box temperature control and defrost timer. The low pressure control will work OK with any refrigerant once adjusted properly. However, when...
  8. If you have an expansion valve in your system,...

    If you have an expansion valve in your system, the suction temperature should not be directly related to the amount of refrigerant charged. The suction temp is going to vary with conditions. You...
  9. Replies
    25
    Views
    4,225

    A PSC "permanent split capacitor" motor is how it...

    A PSC "permanent split capacitor" motor is how it is currently wired. This is the way most a/c units are built because they are designed to start under no load and it is cheaper than installing a...
  10. Replies
    25
    Views
    4,225

    Hard Start Kit?

    I have a five ton heat pump that dims the lights considerably every time it starts. There are relay/capacitor kits available to convert it from a PSC motor to a capacitor start/ capacitor run. ...
  11. Replies
    17
    Views
    1,149

    It's funny how so many people agree that we have...

    It's funny how so many people agree that we have too much government... yet such a large group of people think a shift to the left will somehow be better.:confused:
  12. Here's the website if you want to see what they...

    Here's the website if you want to see what they are. I don't have pictures of the ones I have because they are new and were never opened.
    Click on "Our Products", Anthony, 101 Series.
    ...
  13. Replies
    11
    Views
    928

    I was kidding!;)

    I was kidding!;)
  14. Replies
    11
    Views
    928

    Once I thought I had made a mistake... but I was...

    Once I thought I had made a mistake... but I was wrong.:rolleyes:
  15. Replies
    4
    Views
    514

    Who determined that this generation is worse off...

    Who determined that this generation is worse off than their parents? Probably some whiner.
  16. Replies
    26
    Views
    1,300

    I am a conservative because I believe in...

    I am a conservative because I believe in competition and that old fashioned capitalism brings out the best in everybody. It is the drive for profit and success that makes us all strive for...
  17. Replies
    23
    Views
    1,652

    I have not had very consistent temperatures using...

    I have not had very consistent temperatures using a low pressure control to maintain a box temperature. The best method by far is a temperature control and a timer with frequent off-cycle defrosts...
  18. Brand New Anthony Display Doors Available

    I received these doors for a job and the customer wanted taller doors. Anthony would not take them back. Brand new. Still in crates. Ready for a new home!

    One set of three Model 101 67" X 30"...
  19. Most of the ice arenas around here have a...

    Most of the ice arenas around here have a refrigerant in the chiller and calcium chloride brine or glycol for the loop under the ice. One that I know of has a direct R-22 system under the ice and...
  20. Replies
    7
    Views
    1,571

    Yes, but try to fill the entire gap between the...

    Yes, but try to fill the entire gap between the panels so that the moisture is stopped at the outside of the box. Otherwise ice will build between the panels.:)
  21. Replies
    7
    Views
    1,571

    If the outside is not accessible, maybe you could...

    If the outside is not accessible, maybe you could fill the gaps with aerosol foam insulation.:)
  22. Replies
    7
    Views
    923

    The difference between a water cooled condenser...

    The difference between a water cooled condenser and "misting" an air cooled condenser is that the complete evaporation that takes place on an air cooled condenser forces minerals to be deposited. A...
  23. Replies
    19
    Views
    2,314

    Pardon my ignorance... but, what does the term...

    Pardon my ignorance... but, what does the term "Tricking Out" mean?:confused:
  24. Replies
    14
    Views
    2,180

    If the system is short refrigerant and there are...

    If the system is short refrigerant and there are bubbles in the sight glass, the subcooling will be zero. As you add refrigerant, the head pressure will rise and the subcooling will remain at zero...
  25. Replies
    11
    Views
    688

    The amount of air that will enter the control cap...

    The amount of air that will enter the control cap tube will be insignificant, if any at all. You don't need to worry about evacuating anything. Just back seat the valve, take off the control line,...
  26. Replies
    7
    Views
    1,571

    You shouldn't seal the inside seams on a freezer....

    You shouldn't seal the inside seams on a freezer. You should try to seal the outside seams if they are accessible. The moisture comes from outside the box and will freeze in places you don't want...
  27. There once were many arenas that used ammonia...

    There once were many arenas that used ammonia refrigerant. But they are becoming fewer. Most arenas in this area now use R-22. I'm wondering what will be the replacement. One new system in my...
  28. Replies
    36
    Views
    9,252

    If you added a larger filter-drier you would need...

    If you added a larger filter-drier you would need to increase the refrigerant charge to compensate for the greater volume. I'm sure you had already considered that. Many of these small systems come...
  29. Replies
    36
    Views
    9,252

    Hey I printed & read that article on the theory...

    Hey I printed & read that article on the theory of cap tube operation. I've gotta admit, I had a lot to learn. I always thought a cap tube was just a simple restriction... well it is simple I...
  30. Is 410a being used for anything other than air...

    Is 410a being used for anything other than air conditioning? How is CO2 being used? Is it a staged system or a blend?:confused:
  31. Replies
    16
    Views
    3,397

    reversing the condenser fan rotation

    by reversing the rotation of a condenser fan motor, the fan would push air the opposite way and quite less efficiently due to the cupping shape of the fan blade. your motor would most likely draw...
  32. Replies
    10
    Views
    919

    If the filter-drier was obstructed, the suction...

    If the filter-drier was obstructed, the suction pressure would likely be in a vacuum. The suction pressure should be near zero PSI. 10 is still too high. As long as the airflow through the...
  33. Replies
    11
    Views
    2,464

    Just send them your checking account number and...

    Just send them your checking account number and bank routing number. That's all they really want. Then they will clean you out! They send millions of these e-mails "phishing" for info and one...
  34. Replies
    10
    Views
    2,656

    I have been trying to find a better way to clean...

    I have been trying to find a better way to clean condensers quickly too. It doesn't seem like this unit has enough water on board to rinse the coil well enough. Will somebody with a big budget...
  35. Replies
    10
    Views
    1,069

    I hope you have an accumulator to save the...

    I hope you have an accumulator to save the compressor! A failed TXV usually starves the evaporator from a loss of charge in the element or from a plugged inlet screen. Unfortunately other problems...
  36. Replies
    3
    Views
    701

    I usually go to Refrigeration Hardware...

    I usually go to Refrigeration Hardware www.rhsc.net or Case Parts Inc. www.caseparts.com. They have good inventories of common replacement parts for many different manufacturers and can usually send...
  37. What is the best refrigerant for an ice arena?

    We have many old ammonia and R-22 systems in the area. I was thinking the new systems would probably use R-404a. But one local arena just had a new screw chiller installed last summer that uses...
  38. I am speaking the truth. Many posts report OEM...

    I am speaking the truth. Many posts report OEM installations with receivers present. A agree that a system will reach equlibrium sooner without a receiver in the mix and that they are not necessary...
  39. Replies
    36
    Views
    9,252

    I posted this on a similar thread... A cap...

    I posted this on a similar thread...

    A cap tube system will work fine with a receiver. The amount of refrigerant charged may have to be slightly higher to compensate for the volume required to...
  40. The Truth... A cap tube system will work fine...

    The Truth... A cap tube system will work fine with a receiver. The amount of refrigerant charged may have to be slightly higher to compensate for the volume required to fill the bottom of the...
  41. Replies
    5
    Views
    799

    True, nylon doesn't have the strength of steel...

    True, nylon doesn't have the strength of steel fasteners. The thermal conductivity problem is easily taken care of with a ball of aerosol foam insulation sprayed on top of the box over the exposed...
  42. Replies
    5
    Views
    799

    Nylon is used to hang evaporators because they...

    Nylon is used to hang evaporators because they have less thermal conductivity than steel and do not corrode. These qualities are more important on a low temp box. However, I agree wholeheartedly on...
  43. A heat exchanger will give you less flash gas in...

    A heat exchanger will give you less flash gas in the evaporator and therefore, slightly more capacity. But it adds superheat to the suction vapor. So, there is no net efficiency gain. The only...
  44. Replies
    8
    Views
    945

    Is there a chance that there may be an oil cooler...

    Is there a chance that there may be an oil cooler loop in the separator? Maybe there is a fixed orifice that meters a small amount of liquid refrigerant though a cooling loop in the bottom of the...
  45. Replies
    29
    Views
    2,440

    Aptguy, If you are asking a question about a...

    Aptguy, If you are asking a question about a different subject, you should start a new "thread".

    Now... to answer you question.
    On small compressors, without service valves, I usually heat the...
  46. I've used 409a, 401a, 401b, and 414b for...

    I've used 409a, 401a, 401b, and 414b for retrofitting R-12 sytems. They all work fine unless you have a system that is marginal. I mean if the compressor is on the verge of tripping the overload...
  47. I assume you try to open the TXV to reduce the...

    I assume you try to open the TXV to reduce the superheat. Is there a sight glass in the liquid line so you can determine if you have enough refrigerant in the system? Did the compressor continue to...
  48. Replies
    10
    Views
    1,045

    45% Silver is more fluid than sil-phos. It flows...

    45% Silver is more fluid than sil-phos. It flows more like 60/40 plumbing solder. Like the others said, you must keep the heat mostly on the copper and avoid overheating the joint or it will not...
  49. Replies
    7
    Views
    857

    With an 18 hour daily runtime and the information...

    With an 18 hour daily runtime and the information you give, the BTU requirement is about 24,000/hr at 0 degree box temperature. That unit should be just right. Check the refrigerant pressures to...
  50. Replies
    3
    Views
    565

    All posts are offering good advice. The...

    All posts are offering good advice. The evaporator size, in relation to the condensing unit, may vary considerably. Undersizing the evaporator increases the temperature differential "TD" and makes...
Results 1 to 50 of 119
Page 1 of 3 1 2 3
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event