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  1. #1
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    Question Can you identify this compressor please ?



    .

    I am looking for any information I can use to replace this compressor,
    I have included a picture of the label on the compressor for reference.

    It is installed in a top-loader style chest freezer,
    additional information provide below to help as well.

    Freezer Sticker:
    Rheem Manufacturing Company
    Refrigeration Products Division
    Williston, S.C.
    Listed Household Freezer 234A
    Model No. C 15 AAJWN (MAYBE !)
    Serial No. 537585 (MAYBE !)
    (Numbers stamped, no ink used...)
    R-12 @ 7.75-Oz Charge
    235 High Side
    140 Low Side
    (NOTE: Sticker# C-45755)

    Compressor Sticker:
    Comapny Logo: N
    MK7 (Model?)
    R-12 2.6-FLA 24-LRA
    Single Phase
    Thermally Protected
    2061 (Date Code Maybe ?)

    NOTE:
    Above entries marked "MAYBE" are only my
    best guesses with a jewelers eye loupe.
    The frezzer label was embossed without ink,
    and was not done very well, so was iffy...



    I am (now...) a retired marine electronic's technician,
    but I have installed my share of land and mobile AC's.

    I have never seen both of the lines from the condensor,
    and also from the evaporator go through the compressor.

    Why does this compressor have four ports, not two please ?
    (Five, if you include the vac/fill/pinch service port stub...)



    I would need the capacity for this compressor as a minimum of course,
    but a recommendation for a 12/24/48-VDC compressor make & model,
    or full inverter-style replacement recommendation if possible please.

    This is a back-burner project, not a fast repair, so I have time for research.

    Collected Info So Far:
    1 - R12 based, capilary metered system
    2 - 2.6-Amp @ 115-VAC rated usage
    3 - 24-Amp @ 115-VAC locked rotor
    4 - "2061" may be a date code
    5 - Company logo is an "N", lol...



    Thank you all in advance for any information on this compressor.

    I contacted Rhhem, and received confirmation Magic Chef may be
    the only personal that may still have information on this appliance,
    I haven't contacted them yet though, thought I'd tap your experience.

    here is some of the information I've found while researching this appliance,
    and the specific manufacturing location this exact unit was manufactured in:



    In May 1966, Chill Chest, a current division of Revco,
    constructed and began operating a refrigerator/freezer
    manufacturing plant at the current location of the current
    Dixie-Narco plant on County Road 65 (Dixie-Narco Boulevard).

    Several acquisitions involving the manufacturing plant
    took place during the period from years 1968 to 1981.

    In 1968 Guerdon Industries acquired Revco.

    In 1969, City Investing Company acquired
    Revco, and Guerdon Industries.

    In 1979, Revco became the Refrigeration Products
    Division of the Rheem Manufacturing Company.

    In 1981 the Williston plant site was acquired by Magic Chef,
    of which Admiral Home Appliances was a division thereof.

    In 1986, Maytag Corporation acquired Magic Chef,
    and all of its companies, including Dixie-Narco.

    In 1989, Dixie-Narco moved production of vending machines
    from Ranson, West Virginia, to the Admiral Home Appliances
    freezer factory in Williston, South Carolina.

    In September 1989, Dixie-Narco began manufacturing
    soft drink vending machines at the plant.

    Between approximately 1971 and 1989,
    the facility operated a fork lift repair shop and paint booth.

    These structures were located on the north central side of the plant.

    Between 1971 and the early 1990s, the plant underwent
    a series of renovations and expansions.

    In the early 1990s, the fork lift repair shop
    and paint building were dismantled.

    The plant was expanded to the north and an access road
    for to the rear parking lot was installed over the former
    locations of the paint booth and forklift repair shop.

    From review of historical documents, and discussion with
    plant personnel, the pre-1982 manufacturing process at this plant
    consisted of forming and stamping of steel into freezers.

    The processes included conversion coating and spray- booth painting.

    The conversion coating process used an alkali solution to clean the metal,
    a zinc-phosphate spray to prepare the surface next,
    and a chromic acid cleaner to enhance paint retention.

    It was reported that the zinc-phosphate spray also contained nickel.

    It was also reported that the spray booths and paint spray nozzles
    were cleaned with solvents including toluene, xylene,
    methyl ethyl ketone, and diethylene glycol monobutyl ether.

    Rheem Manufacturing Company conducted a removal action
    in January and February of 2005 to remove the Imhoff system.

    .
    Attached Images Attached Images



  2. #2
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    Re: Can you identify this compressor please ?

    Necchi would be my guess.. 7 would be the cc.no longer in business so use a danfoss.

    if there are two parallel stubs near the bottom of the pot then they are an oil cooling loop.

  3. #3
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    Re: Can you identify this compressor please ?

    Quote Originally Posted by r.bartlett View Post
    Necchi would be my guess
    N (Logo) = "Necchi", gotcha

    Quote Originally Posted by r.bartlett View Post
    7 would be the cc
    M7K = 7 Cubic Centimeters (Volume) / Minute ?

    Quote Originally Posted by r.bartlett View Post
    no longer in business
    Heheh, yeah that figures...

    Quote Originally Posted by r.bartlett View Post
    so use a danfoss.
    Was my thinking,
    but the variable speed inverter market has exploded,
    everyone from Hitachi to matsu****a have nice sets,
    and they easily take low voltage DC and houshold AC.

    Quote Originally Posted by r.bartlett View Post
    if there are two parallel stubs near the bottom of the pot then they are an oil cooling loop.
    Thats the ticket, thanks, they are at the absolute bottom of the unit, and side-by-side...

    This makes sense, the condensor loop, and it is just that (not a finned array),
    is tubing ran around the whole chest, over and over, using the outer (metal) skin
    as It's radiator of the excess thermals harvested during the refrigeration cycle.

    An oil cooler loop for longevity of the compressor makes some sense now.

    Thanks R. Bartlett,
    Paul

  4. #4
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    Re: Can you identify this compressor please ?

    Heheh,
    Mat-su-shi-ta, the company, apparantly,
    looks like S H I T to the explicative filter,
    who says computers don't run the world...

  5. #5
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    Re: Can you identify this compressor please ?

    Found it, Richard is right, it is a necchi.

    http://www.carsrefrigeration.co.uk/comparissons.pdf

  6. #6
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    Re: Can you identify this compressor please ?

    Thank you also Chemi-Cool,
    The naming conventions agree,
    but they only list the M7KJ model.

    I feel I basically have enough information now
    to source an equivalent DC/PWM compressor.



    Wow, Google's WebBot's sure are very fast at crawling the web,
    I posted last night in two forums, and today both were indexed.

    As PDF's and website's disappear almost daily it seems,
    I have copied any relevant text for future Googler's...

    ******************************************************************68

    Necchi M-Series = 4" x 6-1/2" Mounting

    Identical Mounting Pattern:
    Americold M-Series
    Aspera A-Series & E-Series
    Danfoss PW-Series
    Necchi A-Series & M-Series
    Tecumseh AE-Series

    NOTE:
    Embraco Mounting Adapter 59-AB1 Allows Mounting Other Compressors

    ******************************************************************68
    Compatible 1/5th Horsepower Compressors:

    Danfoss R12:
    http://fredymilou.chez-alice.fr/phas...12_danfoss.pdf

    ElectroLux R12:
    extremecooling.de/forum/attachment.php?attachmentid=6433&d=1251735867

    NOTE:
    PDF appears to be aligned to read from left-to-right
    along the same line for compatible models, if so, here:

    Danfoss - FR7.5A
    ElectroLux - L76AT
    UH France - AE5ZF9
    Matsu****a - FNE125WS5
    Necchi - M7K
    IRE - L13B20
    PrestCold - AM55ZF
    Copiden - Unclear...

    Additional Data:
    RF 1 P = 500L
    RF 2 P = 410L
    Congel = 350L (Congel = Freeze)

    At PDF Bottom:
    Copiden 1998
    18 RUE DU MARAIS COPIDEN 14000 CAEN
    URL: www.copiden.com
    email: mail@copiden.com
    Tel: (33) 02 31 35 20 00
    Fax: (33) 02 31 35 20 05

    ******************************

    www.tepse.gr/dat/9412CC76/file.pdf

    Page-12 (PDF Enumerated Backwards...Says "27")

    LUNITE
    AEZ1360A
    AZ1355D
    THB1360Y
    AZ1355Y

    ASPERA
    B1112A
    B1113A
    BK1086A
    B1112B
    B1112Z

    DANFOSS
    PW7.5K154
    FR7.5A

    NECCHI
    PRESTCOLD
    M7 M7J M7K
    M7KJ M7HK
    ESM7/7K
    AM5ZF/55ZF

    ZANUSSI
    EMBRACO
    PW7.5K14
    FF6BKW
    FGS/FGA70A
    FG70AKW

    AEG BOSCH
    IRE
    V1350
    B12B04
    B12A12
    B12A45
    L13A17

    ELECTROLUX
    E59101 L55AS
    L65AS L76AW
    GL75AA
    GL80AA

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