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  1. Replies
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    Still working fine, but I find the Auto-Shut Off...

    Still working fine, but I find the Auto-Shut Off feature rather irritating when it shuts off while I'm using it and I need to turn it back on, especially when I'm doing a measured charge. Would have...
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    Doing the PSC and relay occured to me but when...

    Doing the PSC and relay occured to me but when the homeowner heard the distributor say that would void the warranty they said no.
    I was unaware other makers were having the same issue, you would...
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    I'm done with Goodman!!

    Had an Gentec ECM go bad on a Goodman package unit not two years old. No problem since it's under warrantee, but guess what? Nobody has them. Goodman distributor says they are on back order...
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    I've been using a TIF 9010 for over 5 years till...

    I've been using a TIF 9010 for over 5 years till it just died. What I liked most is that it has a resolution of .1 and has been so accurate that I was able to also use it as a postal scale for all...
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    Shoot, how does that work? Just type in "red and...

    Shoot, how does that work? Just type in "red and white thing" and bang it came up? Out of the millions of images out there how could you have possibly found that one without looking through thousands...
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    Holy crap, I can't believe it. You win the prize...

    Holy crap, I can't believe it. You win the prize pal. So much for the tool theory. I can't wait to tell the guy I got it from he'll get a good laugh out of it
    Thanks
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    Too funny! It makes me visualize someone running...

    Too funny! It makes me visualize someone running down the street with it hanging out of their butt with a fan blade attached to it spinning.:LOL:

    The mystery continues. I figured it had to be a...
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    LOL!!!! Now that's funny!!! :LOL:

    LOL!!!! Now that's funny!!! :LOL:
  9. Replies
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    Can anyone identify this device??

    A refrigeration friend of mine gave me this "Thing" he found. He told me he could not figure out what it is so he gave it to me and said maybe I could figure out what it is. I have attached a picture...
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    Bummer, I was hoping I could get this thing...

    Bummer, I was hoping I could get this thing finished over the weekend instead of having to wait till Tuesday to hear back from Carrier. :(
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    Trouble Finding Carrier Air Handler Relay

    I am working on an old Carrier split Heat Pump system for a customer. There is a relay in this thing that is part of the backup electric strip heat. The Air Hander is model FC4BNF 030000AEAA, The...
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    That being said, what Cut-Out pressure would be...

    That being said, what Cut-Out pressure would be the ideal goal to maximize that effect and efficiency? As low as possible without going into a vacuum, or trying to stay just below the point where the...
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    Good discussion. I'd like to keep it going....

    Good discussion. I'd like to keep it going.
    Getting back to the theory of operation for this pump down type of system which uses a thermostat and pressure switch..... is there anyone who can explain...
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    2,446

    You got that right, only it's a relative that...

    You got that right, only it's a relative that works as a maintenance man at a local hotel. Then they have the nerve to ask for a warranty on the system if I work on it. It's like going to a gas...
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    Won't know for sure till I get the go ahead to...

    Won't know for sure till I get the go ahead to continue working on it. These guys are so cheap, cheap, cheap, they may just let it limp along till the whole system dies.
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    The liquid line IS the discharge line.

    The liquid line IS the discharge line.
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    2,446

    Excellent, Thanks guys for all the help. I'm...

    Excellent, Thanks guys for all the help. I'm going to sort out the wiring for the controls, figure out the proper settings for the LPS to work in conjunction with thermostat, and give the customer...
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    [QUOTE=icemeister;7079122]If the defrost timer is...

    [QUOTE=icemeister;7079122]If the defrost timer is wired in series with the thermostat then the valve cannot energize during defrost even if the thermostat is closed.QUOTE]

    It's a real nightmare of...
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    All readings are with a box temp of 40 degrees...

    All readings are with a box temp of 40 degrees
    The good unit: / Overheating unit:
    High 225 psi / 195 psi
    Low 45 / 52
    Suct 71 Degrees / 72...
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    The problem is the hot condenser is short cycling...

    The problem is the hot condenser is short cycling on the internal overload. Therefore the other condenser is carrying most of the load, and the one unit can't pull down the temp where it needs be...
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    Correct, but I still can't understand why there...

    Correct, but I still can't understand why there is that thermostat in series with that valve. If the valve is supposed to stay closed during defrost why would there be a thermostat to cause it to...
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    No this valve is on the liquid line between the...

    No this valve is on the liquid line between the receiver and the sight glass and filter on the condenser, no tee, and no, the compressor does not run during the defrost. Defrost is done by running...
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    That makes sense but in this case when the system...

    That makes sense but in this case when the system is not in defrost the solenoid valve is off and has no effect regardless of the temperature. During the normal cooling cycle the system cuts in and...
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    Help w/ Theory of Operation - Cooler

    I do mostly A/C work and I'm not that familiar with the more complex refrigeration system controls. I've come across an old system I have been asked to repair but I'm not sure about the theory of...
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