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  1. #27
    Join Date
    Aug 2006
    Location
    Panama City, Florida
    Posts
    59
    I think they would be nice, but I'm tooo cheap.
    Digital still has transducers, seen them go bad on Carriers and McQuay's

  2. #28
    Join Date
    Aug 2003
    Posts
    59
    I have not worked much with 410a but I have heard they use different oils, wouldent this cause contamination by switching from 22 to 410 with the same guages? just my thought.

  3. #29
    Join Date
    Apr 2007
    Posts
    6,285
    They do use different oils. The POE oils can mic with trace amounts of mineral oils.

    http://www.lennoxcommercial.com/res/...10a/frame4.htm
    http://www.lennoxcommercial.com/res/...0a/frame15.htm

    They are also "backward compatible" with mineral oils according to this from Lennox.

  4. #30
    Join Date
    Oct 2006
    Location
    Los Angeles,Ca.
    Posts
    389
    Hey Ga-Tech, How you liking the digital YJ gauges you picked up last year?
    Just curious to see if they are holding up for you.I just picked up a set 2 weeks ago and find them pretty damn nice.
    Hows yours for accuracy on the SH/SC mode??
    I sometimes question the temp reading I get with the velcro strap temp probe thingy.
    I use a fluke meter with clamp on temp- as most here do.

  5. #31
    Join Date
    Sep 2005
    Location
    Atlanta GA area
    Posts
    20,259
    Quote Originally Posted by acemechanical View Post
    Hey Ga-Tech, How you liking the digital YJ gauges you picked up last year?
    Just curious to see if they are holding up for you.I just picked up a set 2 weeks ago and find them pretty damn nice.
    Hows yours for accuracy on the SH/SC mode??
    I sometimes question the temp reading I get with the velcro strap temp probe thingy.
    I use a fluke meter with clamp on temp- as most here do.
    I think the YJ is a GREAT tool, and I am glad I bit the bullet and spent the $$$! Just FYI: Doug Lockhart (Digi-cool, the company that builds the units for YJ) will have an upgrade kit out by the fall that will add some neat features. The estimated price will be around $200, you can install it yourself.

    I generally use a different temp sensor also, I think the YJ is not that accurate. Part of the upgrade will be a dual clamp (two separate clamps) style sensor (both high and low clamps, albeit the unit will only do Sh or SC one at a time... need to switch back and forth).

    What I can say for sure is that this unit is ROCK SOLID!!!!! I have dropped it once, and it has been rained on a few times. Not a single problem other than the temp issue we all know about. I must admit it is a tad tuff to red in some extreme sunlight conditions, but most LED screens have this problem.
    GA-HVAC-Tech

    Galatians 2:20-21; Colossians 1: 21-22 & 26-27; 3:1-4; Romans Ch's 5-6-7-8

    2 Chronicles 7:14

    Quality work at a fair price with excellent customer service.

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