Since i have a 9′ garage ceiling as a result two 7′ door openings, when installing the doors i opted because of one 8′ track to lift the tracks closer to the ceiling as a result out of the work area. This medium the door has to go upright a foot before it starts back, provided that traditional openers won’t work. For 20 yrs. I’ve been manually operating the door while at times looking because of one opener solution. The Liftmaster 3800 was the door answer, as a result the “laser parking assist” the spotting answer. (3″ bumper to door as a result 3″ grid to workbench, no more lawn tennis ball from the ceiling)
It’s been in service a week as a result works flawlessly. The quality of the operating unit, cable tension monitor, as a result latch appears very high. The block unit, remote, as a result light a little fewer provided that but seem adequate because of the job.(few moving parts). The instructions are clear as a result complete. And it comes with amply fasteners because of most installations.
My installation was a little lengthly because i’m provided that picky. (ran a new outlet through the ceiling to get 4″ from the power unit, the plaza aid comes with 8′ of bell wire, needed 20′ – besides through the ceiling, the tension monitor needed a spacer block, cut one to fit as a result painted to match the finished as a result textured wall, as a result provided that on) the latch single needs a 1/2″ hole instead of 3/4″ if you can perforate accurately. If i did it besides i wouldn’t install the latch. The door is insulated as a result very heavy, i don’t think schwarzenegger could elevator it without the spring aid.
The single problem i had ended upright being a programming issue of my own making. After setting the open travel limit to the top of the start – 7′, the door would open but not close. The order troubleshooting section indicated the trouble was the cable tension monitor. I outlook this one not the problem since it’s roller was 2″ from the drum as recommended as a result it was under tension with the door open as a result closed. After 20 mins. Of reprogramming, checking connections as a result rereading instructions, staring at the monitor when closing diagnosed the problem. When the door starts down there is a jerk which slackens the cable because of a fraction of a second allowing the tension monitor to close if the door is close to the top but not fully open. Reprogramming to 8′ pulls the cable away from the block a couple of inches provided that during the jerk the monitor movement is not amply to close. An extra foot of door travel, but it works great!
Read more content at A bravo solution because of a modified door installation.
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Tags: Garage, Liftmaster, Residential