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  1. #14
    Join Date
    Aug 2011
    Posts
    5
    Post Likes
    has heat exchanger froze up? This hot gas valve is solenoid style and controlled from board?

  2. #15
    Join Date
    Mar 2011
    Location
    Edna Bay, Alaska Highest concentration of black bears in the US
    Posts
    623
    Post Likes
    No solenoid, just a valve with an equalizer. Didn't let it run long enough to freeze the evap. Compressor was flooding so bad I shut it off. Compressed air temp was 105f. This unit was added to the system when capacity was added. System has three 200hp and a 150hp compressor. The main dryer is a 3300.

  3. #16
    Join Date
    Feb 2002
    Posts
    519
    Post Likes
    Ok, posting in this section about an Arrow Pneumatics Compressed Air Dryer (that I put in Refrigeration and Ice Making). I have a customer who has this brand air dryer. It has not been used in several years and they need to get it operational. I did find that both condenser fan motors are defective and have them ordered. The condensing unit itself is a Copeland FJAM-A30Z-TFD-015. The Arrow Pneumatics name plate has no information imprinted on it. Through their website, I received a reply that the unit is over 15 years old, that they are no longer in that side of the business, and that they have no information available. There is not any form of wiring diagram anywhere on the unit, except for the generic condensing unit diagram in it's control box. This diagram only pertains to the condensing unit and not the incorporation of it into the air dryer. Any help with service info, wiring diagram, etc would be appreciated.

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