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  1. #27
    Join Date
    Dec 2005
    Location
    Cincinnati, Oh
    Posts
    5,042
    Quote Originally Posted by mlstark View Post
    Beenthere invented that Amana heat pump.
    He might have invented it if it was a york
    "Better tell the sandman to stay away, because we're gonna be workin on this one all night."

    "Dude, you need more than 2 wires to a condenser to run a 2 stage heatpump."

    "Just get it done son."

    Dad adjusted

  2. #28
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    68,058
    Quote Originally Posted by hvacvegas View Post
    He might have invented it if it was a york
    ROFL...
    Contractor locator map

    How-to-apply-for-Professional

    How many times must one fix something before it is fixed?

  3. #29
    Join Date
    Feb 2010
    Posts
    26
    Anyone have time to help this Iraq and Afghanistan veteran (combat wounded) with his heat pump problem??

  4. #30
    Join Date
    Jul 2002
    Location
    Zelienople, Pa
    Posts
    2,965
    Nobody wants to touch a unit that old because once you turn a screw, it becomes your problem...

    Do you have family that might help in the purchase of a new system? you are 15 years past life expectancy and that relic owes you nothing...
    How tall are you Private???!!!!

  5. #31
    Join Date
    Feb 2010
    Posts
    26
    Ooo-rah Gunny: This unit is not a rusted hulk, it's always been high and dry, gets just enough sun to dry it off every day and I've kept it clean, repainted and rustproofed it when it needed it over the years (was trained well in that department), had every panel off and replaced all the seals and insulation. The components are modular and mechanical, so it actually seems that it would be easier to repair than the electronic circuit boards, just remove the bad part and replace. I've watched the few times it was serviced, first couple of times by the tech equivalent of a Gunny (had seen it all), last time by a younger tech who called the senior tech for advice. They just removed the bad contacts or switch or circuit breaker and popped in the new part. Only thing is that any tech under about 45 isn't familiar with the type.

    It would help the next tech that comes to look at it if anyone had the service diagrams for that type/model or knew where I could download them, they have faded and are about impossible to read. I'm on my own financially, been applying for some government jobs, takes forever to hear if you hear at all.

    Edit:
    I just talked to an independant tech, he's on his way to look at it. Says he can probably retrofit a circuit board to replace some of the defrost timer components. I'll know in an hour or so.

  6. #32
    Join Date
    Oct 2003
    Location
    las vegas
    Posts
    1,505
    if it has an e 15 on it just have him replace it.
    it may have to be ordered in depending on your area
    but overall has been a very dependable control.

  7. #33
    Join Date
    Feb 2010
    Posts
    26

    B-5120 mechanical defrost timer

    Got a call from the tech (he's more of a handy man that works on HVAC partime); he said the defrost timer is not working, he took it apart and oiled the bearings?, said it worked for a few minutes then stopped. Said the bulb was also empty? Also said that he could tell the system was low on coolant because the pipe was not hot enough and that it iced up very quickly with an outside temp of about 50 degrees it shouldn't ice up that quickly in heat mode??

    He said he should install the type of schrader valve that pierces the low pressure line and add coolant, said it takes 4-5 lbs?? Does all that sound correct?

    He said the timer was a 120Volt paragon B-51-20; does anyone recognize that part?? Said he would try to find a replacement but also said he had never worked with that type and that most everything now is 24Volts.

    Anyone know where I can find that part or what could be used to replace it?

    thanks

  8. #34
    Join Date
    Jul 2002
    Location
    Zelienople, Pa
    Posts
    2,965
    So you're going to invest in a new defrost timer and coolant for a leaking system?

    You'll be back on here sooner than later for advice on a replacement. Enjoy the heat you get while it lasts...

    You're throwing good money after bad IMO...
    How tall are you Private???!!!!

  9. #35
    Join Date
    Feb 2010
    Posts
    26
    I realize this is a very old unit, but I am broke, no credit left. I'll replace it as soon as I get a job and pay a few bills but need to get it running for the rest of the winter.

    Anyone know where I can find a replacement for this 120 volt mechanical type defrost timer and the component with the bulb, and how it would be hooked up to this 120 Volt system??

    Here is a parts diagram from 1974, note # 132 and # 134 (C4859602 and B4760302). The components look the same just some may be in slightly different locations in my 1977 Amana package unit.

    http://parts.sears.com/partsdirect/p...&prst=&shdMod=


    Thanks again.
    Attached Images Attached Images  

  10. #36
    Join Date
    Mar 2006
    Location
    The South
    Posts
    2,195
    Bobbie

    I can't recall if you ever said your location.

    However depending on your location, I would not spend any serious money on a 34 yr old system.

    It is already middle of January. Have you even thought of just running emergency heat?

    Just a thought.

    IMO

  11. #37
    Join Date
    Feb 2010
    Posts
    26
    Guys; I say again, I have no money. A new package unit would run me around $$$$, don't have it, can't get it, my car isn't worth that much and besides, it's broke also, along with my refrigerator, washing machine, and microwave. I'm in Tennessee and found a part-time tech who said he's never worked on anything this old but is trying. My thermostat is also very old, original tipping mercury bulb type; it only has Heat, Cool and Auto positions, no emergency heat choice.

    Does the parts diagram below help anyone suggest a fix or replacement for the defrost components??
    Last edited by jpsmith1cm; 01-17-2012 at 06:09 PM. Reason: Removed pricing

  12. #38
    Join Date
    Jul 2002
    Location
    Zelienople, Pa
    Posts
    2,965
    Turn the stat to "emergency" heat and run that way until you can buy a new system...

    You are not going to get any help here on finding parts. That is considered DIY and against the site rules...
    How tall are you Private???!!!!

  13. #39
    Join Date
    Feb 2010
    Posts
    26
    Gunny; As I mentioned a couple of times below, I found a tech, I'm NOT doing this myself, I'm just trying to help out the tech as he said he's never worked on anything like this before and didn't know what he could find to replace the old components. Was hoping I'd find an old hat who knew something about this type unit. The thermostat does not have an Emergency heat setting, just Heat, Cool, and Auto.

    I have to say this site has some unusual rules. I'm a member of a few 4x4 truck forums where everybody helps everybody, from Master mechanics to vendors to dealer parts managers to back yard mechanics. A very open and free flow of information no matter the topic; brakes, fuel systems, electrical, suspension, steering, ----, and no one is worried about lawsuits or competition.

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