Which Is The Best Liftmaster 3900 Light Duty

The model 3900 door operator is designed for light-duty commercial sectional applications only. It may be used on standard vertical and high-lift sectional doors measuring up to 14 ft. High and up to 18 ft. Wide but not exceeding 180 sq. ft. or 650 lbs. Maximum recommended duty cycle: 10 cycles per hour. The 3900 is not compatible with low headroom applications. Top clearance: 3 1/2 ” from center of torsion shaft to the top of the operator. Side clearance: 8” minimum required approximately 1 ½” shaft exposed beyond bearing plate required to attach coupler. Unit physical dimensions 16 1/2″ L x 7″ W x 6 3/4″ D. Compact design ideal for limited height cathedral or obstructed ceiling installations. Wall mount installation: Mounts on the left or right side of door and attaches to the door tension bar. Heavy-duty 24VDC motor provides ultra-quiet operation along with variable speed smooth start and stop. UL325 compliant.

8900W 2-PACK LIFTMASTER LIGHT DUTY COMMERCIAL JACKSHAFT GARAGE DOOR OPENERS. The 8900W is NOT compatible with low headroom applications. Please contact us prior to purchase if you are unsure. Each of the TWO 8900W unit kits includes: 1 SINGLE APBS PUSH BUTTON STATION CABLE TENSION MONITOR Torsion shaft coupler THE PROTECTOR SYSTEMSAFETY SENSORS PUSH BUTTON LIMIT SETTINGS QUICK-CONNECTTM TERMINALS 6-FOOT POWER CORD. Top clearance: 3 1/2 ” from center of torsion shaft to the top of the operator. Side clearance: 8” minimum required Approximately 1 ½” shaft exposed beyond bearing plate required to attach coupler. Unit physical dimensions 16 ½”L x 7”W x 6 ¾”D. -Compact design ideal for limited height cathedral or obstructed ceiling installations -Wall mount installation – mounts on the left or right side of door and attaches to the door tension bar as space allows -Heavy-duty 24VDC motor provides ultra-quiet operation along with variable speed smooth start and stop -UL325 compliant -Approximate shipping weight: 28 lbs (each unit) Light-Duty Commercial Door Operator for Sectional Doors For smaller, lighter sectional doors with light-duty cycle requirements. Rated Duty Cycle: Maximum 10 cycles per hour; Fewer than For smaller, lighter sectional doors with light-duty cycle requirements. Wall mount on small sectional doors.

The LiftMaster LJ8950W Light-Duty Commercial Door Jackshaft Operator for rolling doors is now available from Open Door Discount Remotes The LJ8950W is LiftMaster’s first wall-mounted commercial door operator with built-in Wi-Fi. The LJ8950W is ideal for applications using dock doors, small warehouses, self-storage, and counter shutters with light-duty cycle requirements. With the LJ8950W, you are in control of daily operations at your facility with Wi-Fi capability for remote access. Monitor and control facility operators with MyQ Technology through the mobile app. Simple operator internet connection with built-in Wi-Fi. Receive real-time alerts indicating door status via email or push notifications and open or close the door from anywhere with just a tap of your phone. Enhanced protection features keep your door secure. The LJ8950W features a rugged, commercial-grade design with steel chassis and rigid plastic cover. Internal chain and sprocket drive mechanism. Includes both live and dead shaft door sprockets for #48 chain. Auto-force adjustment for the changing weather and environmental conditions. Easy setup with electronic limits. DC Wi-Fi Logic Board with a built-in surge suppressor. Reliable, powerful 12V DC motor with automatic thermal protection and permanent lubrication. Smooth start/stop reduces wear for a longer-lasting performance. Speeds of 8.5″ per second for upward movement of the door and 7.6″ per second for downward movement of the door. Security+ 2.0 safeguards facility access with rolling code technology, opening for registered devices ONLY. The Protector System automatically reverses the door if an obstruction is sensed by entrapment protection devices. Battery backup and automatic door lock capable (sold separately). UL listed.

Connectivity-must have front mount torsion springs for compatibility- MyQ technology enables your customers to securely monitor and control their garage door opener and houselights with a smartphone, tablet or computer (when paired with the LiftMaster internet gateway). Alerts can be received as email or pop-up (push) notifications on a mobile device so that your customers always know the status of your garage door and houselights. MyQ mobile app is a free download requiring no annual activation fee. Compatible with home link. Requires 828lm MyQ internet gateway to connect to MyQ smartphone app. Performance p3 motors from LiftMaster are reliable, durable and powerful – designed specifically for your customers’ needs. Ultra-quiet eliminates sound and vibration through the ceiling – perfect fro a home with a room above or next to the garage. Battery back-up powers up even when the power is out so your customers can get in or out of their garage (optional battery 475lm is required). Wall mount design frees the garage ceiling of hanging operators and rails, and opens up the space for additional storage – ideal for cathedral or obstructed ceilings. Works only with sectional doors, up to 14’ high. 6’ power cord makes connecting to the power source easier than ever – also ideal for vaulted ceilings. Remote light delivers 200 watts of light with adjustable light time delay (or CFL equivalent).

Model 8900W is a light-duty jackshaft operator for light-duty commercial sectional applications only. It features a compact design ideal for limited height, cathedral, or obstructed ceiling installations. It may be used on standard and high-lift (maximum 7 ft. high-lift) sectional doors measuring up to 14 ft. high and up to 18 ft. wide, but not exceeding 180 sq. ft. or 650 lbs.

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