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  1. #14
    I agree with Mark in another post. The idea that the Carrier Infinity is superior because it kills the bacteria and viruses on the filter is nonsense. While it probably does kill the bacteria and viruses, this is a great case of being factually accurate but irrelevant. The small amounts of bacteria and viruses on a filter are not going to be readmitted into the building when the filter is changed. Your kitchen dishcloth or sponge will have far more bacteria and viruses than an AC filter.

  2. #15
    Join Date
    Jun 2007
    Location
    Central Florida
    Posts
    6
    This is where I am a little tossed up. I have never been a fan of Electrostatic air cleaners, we can see recently from Trane that's a good thing. Carrier has made some very bold claims on this air cleaner. It still doesn't make alot of sense to me that back in Biology class we learned that mold loves "cold, damp and dark" places yet manufacturers think they can eliminate that problem by electricity? That is why I'm a big fan of UV Lights. I've read the reports of this air cleaner and how it performs with purity of air. However, I still don't understand, Why not use UV?

    On a positive note: I will say that I am still floored (in a good way) by the ability of the Infinity to read the filter the way it does. This system still astounds me and have sold like Hot Cakes here in the Central Fl. area.

    If this Air Purifier with stands the "Test of Time" like the competitors have not then great. If not, we may have to find another alternative.

    I've installed some to date and have found no problems with them.

  3. #16

    Placement of UV lights

    Two things I would like to clarify.

    It does matter where you are placing the UV light and it does matter when using UV lights whether you are going to treat the air or the coil.

    There are two principles at work here in achieving a high kill rate using UV - time - time of UV light on contaminant and Intensity - the intesity of UV light on the contaminant.

    When treating a coil - you have all the time in the world..the coil's not moving and the light stays on 24/7 - so with unlimited time, you do not need much intesity to have a high kill rate. Thus, whey a 24v object purifier will work.

    When treating the air flow - you have just a split second to treat the air. So what do you need to do if you have limited time? Increase the Intensity of the lamp's microwatts. You cannot maintain a high kill rate with low Intensity and low time. Thus why one product does not fit all.

    If you are treating a coil, first place you want to look is placing it upstream of the coil, where the air is a bit slower moving and is a more constant temperature. Thus, you will get better lamp effectiveness and a higher microwatt output on the coil surface. Secondly, you need to have a lamp that has a reflector to direct all the UV energy onto the coil. If you do not, then half of the UV light is wasted and could deteriorate wires/rubber hoses, drain pans, etc. You can place the light downstream of the coil, but it will not be as effective as upstream. In an N coil, it's actually better (well in most cases) to treat the air stream rather than the coil. When you are treating an object such as the coil, you will have minimal treatment of air.

    However, a better approach would be to treat the air stream. In treating the air stream you purify every living thing in the air flow, thus effectively killing all the food source for the airborne pathogens. If there is no food source in the air, nothing will grow on the coil, In addition you can treat biological and chemical odors. Thus you achieve two things when treating the air rather than just one when treating the coil. And the best place for placement of the UV air Purifier is the return plenum as well.

    If you have any more questions please ask.

  4. #17
    Join Date
    May 2005
    Location
    Lubbock Texas
    Posts
    773
    Not bad for a new guy. How about some credentials. Welcome to the forum.
    Last edited by genesis; 08-03-2007 at 05:52 PM.

  5. #18
    Hey there Genesis. I saw your products. I'm glad you use reflection to control the path of UV light and to maximize intensity. I work for a Canadian Company called Sanuvox Technologies and like you make sure we understand the true science of UV before introducing a product. Thanks for the welcome.

  6. #19
    Join Date
    May 2005
    Location
    Lubbock Texas
    Posts
    773
    Hey Kelly I have meet alot of you guys at the trade shows at AHR Expo. Sanuvox had a booth right behind ours in Dallas last year.

  7. #20
    Cool, I wasn't with Sanuvox at the Dallas show, but was with another company at the show, but yeah, it seemed all the UV companies were in the same general vicinity. Well good to meet you. Will you be at the New York ASHRAE?

  8. #21
    Are you in Lubbock? I was just up there last week. I'm in Fort Worth and cover all of TX/LA/OK/MS for Sanuvox. We should meet up next time I'm in Lubbock.

  9. #22
    Join Date
    Aug 2007
    Location
    Kansas
    Posts
    36
    I have sold and installed around 25 Carrier Infinity Air Purifiers as well as several Lennox Pure Air filtration/purification systems without a single complaint! I personally have the Carrier Infinity Purifier in my home and love it. I've received absolutely no complaints from customers on either brand, however, I have received a lot of compliments on how well they like them. Several customers have told me that they sleep better, their allegies aren't as bad, etc. So they are obviously both excellent products. Lennox is claiming that their new Pure Air will indeed kill 90 percent of bioaerosols and VOC's but I do not have any proof of that. Consumers absolutely love both systems. I would assume the Lennox would do a little better based on the fact it does have UV lights and a replaceable metal insert coated with catalyst that's activated by the two 55 watt UV lights that supposedly break down chemical vapors and odors into carbon and water. The Lennox Pure air does have more residual maintence cost than the Carrier due to bulb replacement and metal insert replacement, but then what is the customers ultimate objective? How much difference does the VOC's and the odors make in the big picture? I love my Carrier Purifier and do not personally care about spending the extra money to kill the chemical vapors and odors? But that's just me. You will love the Carrier Infinintiy Air Purifier, it's a great product.

  10. #23
    Join Date
    May 2005
    Location
    Lubbock Texas
    Posts
    773
    Keith call me . I got a great restaurant a couple of blocks from the shop.
    806-773-8214
    I may be on the road the whole month of September doing installs in Hospitals or a river boat.

  11. #24
    Join Date
    May 2013
    Location
    South Florida
    Posts
    2
    Hi,
    I'm new here. Glad to meet all of you.
    Anyone out there experienced with troubleshooting a Carrier Infinity Air Purifier (model GAPAB). Just noticed on the "Power-On" LEDs cycle on & off every 30-40 seconds when the air handler is running and stay off when the air handler is not running. This tells me the airflow sensor is responding the airflow. Any thoughts? Sure could use the help.
    Thanks

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