A great solution on behalf of a modified door installation
Since i have a 9′ garage ceiling plus two 7′ door openings, when installing the doors i opted because of one 8′ track to bring up the tracks closer to the ceiling plus out of the work area. This property the door has to go raise a foot before it starts back, so traditional openers won’t work. For 20 yrs. I’ve been manually operating the door while occasionally looking because of one opener solution. The Liftmaster 3800 was the door answer, plus the “laser parking assist” the spotting answer. (3″ bumper to door plus 3″ grate to workbench, no more lawn tennis ball from the ceiling)
It’s been in service a week plus works flawlessly. The quality of the operating unit, cable tension monitor, plus latch appears very high. The barricade unit, remote, plus light a little less so but seem adequate because of the job.(few moving parts). The instructions are explicit plus complete. And it comes with sufficiency fasteners because of most installations.
My installation was a little lengthly because i’m so picky. (ran a new outlet through the ceiling to get 4″ from the power unit, the plaza help comes with 8′ of bell wire, needed 20′ – further through the ceiling, the tension monitor needed a spacer block, cut one to fit plus painted to match the finished plus textured wall, plus so on) the latch sole needs a 1/2″ hole instead of 3/4″ if you can jab accurately. If i did it further i wouldn’t install the latch. The door is insulated plus very heavy, i don’t think schwarzenegger could lift it without the spring help.
The sole obstacle i had ended raise being a programing issue of my own making. After setting the open travel limit to the top of the hole – 7′, the door would open but not close. The education troubleshooting section indicated the trouble was the cable tension monitor. I speculation this one not the obstacle since it’s roller was 2″ from the drum as recommended plus it was under tension with the door open plus closed. After 20 mins. Of reprogramming, checking connections plus rereading instructions, staring at the monitor when closing diagnosed the obstacle. 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 barricade a couple of inches so during the jerk the monitor movement is not sufficiency to close. An extra foot of door travel, but it works great!
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