Do I need a crank case heater for my mini split compressor?

Discussion in 'HVAC Heating & Cooling' started by Theodore, Nov 19, 2020.

  1. Theodore

    Theodore Member

    Joined:
    Sep 18, 2015
    Location:
    New York
    Hi,
    The insulation jacket of my mini split's compressor (SeaBreeze mini split heat pump, model SMZ42H46ZOGX) was partially melted during a brazing repair of an adjacent valve. I tried to order a new one. Manufacturer said they're not available, but sent a $30 crank case heater cable instead. Doesn't the existing unit have one already? I see mention of it when I search for "heater" in the manual (http://www.irproducts.biz/support/parts-manuals/file/6536-smz42h46zogx-service-manual?start=20)
    Is this thie way of suggesting to replace it because it may have been damaged too? Photo attached has wires going into compressor insulation, but I'm not if that's an existing heater cable or something else. Advice (i.e. 2nd opinion) appreciated. Thank you. IMG_9412.JPG
     
  2. fitter30

    fitter30 Well-Known Member

    Joined:
    Feb 2, 2020
    Occupation:
    Retired service tech
    Location:
    Peace valley missouri
    Page 16 shows a cch of that manual you linked
     
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  4. Theodore

    Theodore Member

    Joined:
    Sep 18, 2015
    Location:
    New York
    Ok, then I'll assume manufacturer is suggesting that I replace it just to be sure it wasn't damaged. It's inexpensive.
    Thank you.
     
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