The extension kit for C-channel chain drive garage door opener rails is to be used in addition to a 7' (3-piece) chain rail to accommodate an 8' high door
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.
For use with various LiftMaster® MAXUM Series DC 700 lbs. to 2200 lbs. Standard-Duty and Extended-Duty Jackshaft Jackshaft Hoist and Trolley Commercial Door Operators
This service kit is compatible with the following MAXUM models: JDC JHDC and TDC.
NOTE: Refer to K41-0156-000 for Left-Side Cable Tension Monitor
For use with various LiftMaster® MAXUM Series DC 700 lbs. to 2200 lbs. Standard-Duty and Extended-Duty Jackshaft Jackshaft Hoist and Trolley Commercial Door Operators
This service kit is compatible with the following MAXUM models: JDC JHDC and TDC.
NOTE: Refer to K41-0157-000 for Right-Side Cable Tension Monitor
The direct drive operator consists of a DC electric motor directly coupled to a hollow shaft (30:1 reduction) worm gear reducer designed to install over keyed door shaft.
Continuous duty 0.5 HP 90 V DC 1750 rpm motor suitable for
110 to 240 V 1 PH and 60 Hz power supply.
Comes with integral absolute encoder to control the door travel
24 V 5 amps back-up battery pack and 3/8” ratchet socket to
accept and crank for manually operating the door in case of power failure
Programmable wall mountable UL325 compliant NEMA 4X control panel with LCD display and OPEN-CLOSE-STOP buttons on cover