Works with ANY Liftmaster Sears Chamberlain Access Master Master Mechanic Formula I True Value True Guard and Raynor Garage Door Opener Manufactured after 1998 using a amber / orange yellow or purple learn button.
Replaces existing control panel
Simple programming of new MyQ accessories and Security+ 2.0 remote controls and keyless entry products
H-style operators include a floor level chain hoist to ease manual operation in an emergency or power outage.
The operators are typically mounted to the wall when used with larger sectional overhead doors with vertical or high lift and mounted to the wall or the front of the hood when used with rolling doors and grilles.
H operators are attached to the door jackshaft to indirectly drive the door.
With the addition of the 828LM MyQ technology enables the user to monitor and control their operator and light with their smartphone tablet or computer.
Alerts can be received as email or pop-up (push) notifications on a mobile device ensuring the status of your commercial door.
Security+ 2.0™ safeguards your facility – with every click a new code is sent to the commercial door operator so the door opens only for you.
LED DIAGNOSTIC DISPLAY Simplifies installation and troubleshooting.
WIRELESS DUAL-GATE COMMUNICATION Eliminates expensive conduit costs and unsightly driveway scars.
BI-PART DELAY Monitors and adjusts speed and position of each wing to ensure primary gate closes last.
SYNCHRONIZED CLOSE Simultaneously closes gates.
WITH OPTIONAL EXPANSION BOARD
PROGRAMMABLE AUXILIARY RELAYS Easily add additional features such as warning lights/alarms.
ANTI-TAILGATE Prevents unauthorized access. Gate will pause when closing as vehicle pulls onto interrupt loop or breaks photo beam. Once vehicle backs up gate will continue to close.
The travel nut on LA500DC and LA500DCS gate operators may break when excessive force is applied to the gate such as being struck from a vehicle.
The travel nut can be identified as the white plastic nut that attaches to the internal lead screw of the arm.
The symptom of this problem is that the trolley assembly slides back and forth along the guide slots without mechanical restraint.
LiftMaster has created Trolley Service Kit K75-39337 with all the necessary parts and provides instructions on how to replace a damaged travel nut
within an LA500 arm
As a wired keypad it can operate garage door openers and gate openers that require 24 volts or less and accept normally open contacts.
As a wireless keypad it can be used with any gate or garage door opener that receives a 318 MHz RF signal.
The keypad must be used in conjunction with the GTO garage door receiver kit (part # RB709) on any other garage door.
You may program up to 25 different personal entry codes allowing you to give different entry codes to different users
After entering a valid code pressing any key while the gate is opening will stop the gate; pressing any key while the gate is stopped and the gate will reverse direction.
The keypad will not affect the auto-close setting of your gate opener
system.
The keypad is housed in a rugged plastic enclosure and is designed to be mounted in a standard single-gang electrical box. The die-cast keys have bright easy-to-read yellow graphics.
It is supplied with four different plastic snap-on mounting bezels to customize the look of the keypad. The satin-chrome bezel comes factory installed on the keypad. The white ivory & bronze bezels are packaged separately.
Up to 480 entry codes from 1 to 6 digits in length can be programmed. They can activate either or both of the relay outputs.
Relay #1 has a 5 Amp capacity. Relay #2 has a 1 Amp capacity. The relays can be set for timed or latch-on/latch-off toggle operation per each individual entry code.
The on or off toggle state of a relay is maintained even after power interruption. When power is restored to the keypad each relay will assume the state it was in when power was removed.
The 26 gauge corrugated door curtain is manufactured from full hard galvanized grade 80 steel and coated with Super Durable polyester paint
Available in sizes up to 10’0” x 10’0” and in over 20 different colors
During production each spring is coated with a generous amount of grease that penetrates the innermost pores of the spring with additives displacing moisture and preventing the formation of rust and corrosion
It features an adjustable friction clutch high-starting torque motor with overload protection emergency chain hoist with electric interlock and emergency disconnect chain.
Easy emergency manual operation using a floor level disconnect and an electrically interlocked chain hoist mechanism
With the addition of the 828LM MyQ technology enables the user to monitor and control their operator and light with their smartphone tablet or computer.
Alerts can be received as email or pop-up (push) notifications on a mobile device ensuring the status of your commercial door.
Security+ 2.0™ safeguards your facility – with every click a new code is sent to the commercial door operator so the door opens only for you.