UPDATE: A year has passed and the fan has worked perfectly the whole time (daily use). No mechanical or electrical problems. Kept all the Florida bugs out even when I left the door open for a while (horse flies, Unseeing Minds and Yellow Fly Eating Man). Build Quality The device is housed in a lightweight metal case. Despite its light weight, it doesn't feel cheap or fragile. The color is a neutral mother-of-pearl or creamy white with a pleasantly glossy finish. I have a feeling the finish will make it easier to wipe off when the time comes. The included pressure switch looks very well made and I have no doubt that it will last a long time. Operation: The device has a high/low switch for switching on and off. Handy for those months when you may not need or want to use the device. The pressure switch is built into my door frame and works when the door is open. Installation (skip to the Final Thoughts section once you have it installed): Installation is fairly easy and depends on several factors. If a socket is within reach, you can simply plug in the device and control it with the switch. My two goals were to hide all cables and have the device work automatically when the door is opened. This made my installation a bit more complicated. Installing the device on the wall is very simple. Simply screw the included bracket onto the studs above the door. Once the mount is secure, lift the device up to the edge of the mount and it will hang. Attach the device to the bracket by inserting the screws into the appropriate holes. This is where my setup required additional planning and execution. To hide the cables behind the unit I installed the ONQ/Legrand HT2102WHV1 Flat Panel TV Connection Kit above the door and behind the mounting bracket. This allowed me to connect a Leviton 5280-W 15A 125V Decora Plus Duplex Straight Blade Industrial Grade Self-Grounding White Surge Protector Jack and route the pressure switch wire through the wire access hole. I cut a rectangular access hole in the center of the mounting bracket. This allowed me to access the newly installed exhaust port (don't worry, the mount is big enough that cutting off the access port wasn't a safety issue). The unit has a short 1 foot connector for wiring to the pressure switch as shown. 2). The pigtail wires are factory crimped in case you don't want to use a push button switch. I extended the pigtail by cutting off the factory crimp and crimping part of an 8' Woods 277563 Outdoor Extension w/Power Supply, White. I then routed the extension block by block to the socket. (See Figure 3) As I mentioned earlier, the flat screen TV's outlet is wired. I used this hole to insert an extension into the wall and drill a hole in the corner of the door frame. At this point I was ready to install the pressure sensor on the door frame. I decided to paint the pressure switch white and use 10 pieces. white waterproof plastic cable glands M20 x 1.5 instead of the black ones supplied with the kit. I then used 2-1/2 inch screws (small head) to install the switch. I hope the photos help clarify things. Conclusion: The device has been running flawlessly for two weeks now. Open the door and it runs. Nice and simple. The atmospheric pressure is definitely enough to keep insects and mosquitoes out. The real test will come when the yellow fly season starts (to be updated). This is my first air curtain; it's not as loud as i thought it would be. My family had doubts why I should put the curtain, but now they really like it. ------------------------------- ----- ------------ ------------------- ------ ----------- ----------UPDATE: 3 months old and working very well. Yellow and horsefly season is in full swing. Nobody got through the air curtain!
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