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Type: Posts; User: Rusty199

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  1. Replies
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    If it's done correctly....

    Service Agreements are what customers want. That's why they keep asking.
    The trick is to do it the right way.
    Service agreements should be priced properly. For example, mine are the same cost as an...
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    Deli Case Turning Product Brown

    Here's a new one for me. Have a deli that has a Hussman 8ft deli case that turns some products brown. They noticed it first with Antipasto, but some of the meats turn to brown as well.
    The temp is...
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    Thanks

    Thanks to all for the help. I didn't have the settings on the responses right, so I didn't know I was getting my posts answered.
    Seems that once the pressure was dialed in and the case reached temp,...
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    That makes sense. I was amazed that the capacity...

    That makes sense. I was amazed that the capacity on the units is so low. But thinking about it, theyre not designed to drop the temps quick, just a refrigerated display case. The product is supposed...
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    The original data plate is long gone, and it's a...

    The original data plate is long gone, and it's a conversion from R12 to 134. Someone in the past wrote "134a 32 oz (2 Lb) " in magic marker, which is nearly worn off as well. I weighed in the 32 oz...
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    Deli Cases, Regular Headaches...

    I'm an HVAC tech that has been dealing with some deli cases and the like for a regular customer. The most recent is a McCray 8 ft double duty unit. It's history includes being converted from R12 to...
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    I agree with bumping down the blower speed....

    I agree with bumping down the blower speed. Sounds like a velocity problem.
  8. Thread: Finding Leaks

    by Rusty199
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    1,945

    Nitrogen is good for pressurizing the system to...

    Nitrogen is good for pressurizing the system to increase the rate of leakage while leak searching. R22 is added as a tracer gas for electronic leak detection. I have also pulled & dunked the evap...
  9. Thread: Finding Leaks

    by Rusty199
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    1,945

    Unfortunately, I have no luck finding leaks with...

    Unfortunately, I have no luck finding leaks with an electronic detector. I have tried a few and get lotsa false readings.
    The best methods seem to be:

    Look for the oil staining.

    Inject with UV...
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    The ending was a perfect close to the less than...

    The ending was a perfect close to the less than average season. The show has steadily declined each season ever since the extended leave back when.

    David Chase forgot that he produces a product...
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    Later on it becomes more clear how important that...

    Later on it becomes more clear how important that boring basic theory stuff really is. Read all you can about refrigeration theory, T & P relationships electrical, etc.

    When you get this stuff...
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    Get your hands on the manual for that unit and...

    Get your hands on the manual for that unit and check the blower performance chart. Remember that the airflow depends on the static pressure on the fan (ESP). Best idea is to measure the ESP on the...
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    Poll: You need superheat to make sure that all of your...

    You need superheat to make sure that all of your evap coil is involved in the absorption process. If there is no superheat, the evap is flooded. This creates the obvious issue of liquid getting to...
  14. Thread: crane?

    by Rusty199
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    1,308

    That spitz lift looks pretty cool. I would worry...

    That spitz lift looks pretty cool. I would worry about a chunk of the facade coming off. I wouln'd have the nerve to lift that pkg unit they show.:)
    It would be great to hoist compressors & rooftop...
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    Get a white noise machine to drown out your...

    Get a white noise machine to drown out your wife.:p
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    Jeez, give 'em a break. That's part of why we...

    Jeez, give 'em a break. That's part of why we have bad techs. The guys are afraid to ask, cause they are made to feel stupid, so they pretend to know it all and hit the wall.

    There was a time when...
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    I assumed the 0 before the 30 designated 10 seer...

    I assumed the 0 before the 30 designated 10 seer with carrier as well, I may have been mistaken. Loonie may have more experience with carrier equip.
    Thanks Loonie
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    It's a 2 1/2 ton 10 seer:)

    It's a 2 1/2 ton 10 seer:)
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    Wow this tread wanders. It seems that he is...

    Wow this tread wanders. It seems that he is asking about a unit that has already been condemned, possibly by more senior techs and wants the experience of seeing what the readings are for himself....
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    Um, not bragging, just stating a point. And the...

    Um, not bragging, just stating a point. And the point is, since it eluded you, is that it is actually very difficult to slug a compressor by liquid charging.

    If you actually vapor charge a system...
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    Can I take out my own appendix? The doctor gave...

    Can I take out my own appendix? The doctor gave me a price that seems high. What do I need to do to get this done?

    My brother in law has a scalpel, I think. And my wife's cousin works in a...
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    How did they "leak coolant all over the road"?...

    How did they "leak coolant all over the road"? Must be cold there, around -38?:)


    I think it was probably oil leaking out, refrigerant leaks up,up & away!
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    I have always liquid charged. I've heard it over...

    I have always liquid charged. I've heard it over & over to not do it, but: 1) I don't have that kinda time, and 2) I'm a stubborn ass.:p

    I have even opened the tank full throttle just to see if I...
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    That UEI analyzer is a nice little rig though....

    That UEI analyzer is a nice little rig though. I've been doing the tricks manually all this time. It doesn't give you any values (readouts) but the reversing action is handy though.
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    Oh those damn simple compressors........ snicker....

    Oh those damn simple compressors........ snicker.
    Sorry, couldn't resist.

    I wonder what the reasoning behind you not being allowed to use a start booster was?

    During that 3-6 min, was the...
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