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
For the protection of vehicles doors and safety of people.
Any upward-acting door may be fitted at the leading edge with an electro-mechanical safety weatherstrip.
This mechanism consists of a formed galvanized steel section covered with vinyl impregnated rubber hinged along the full width of the leading door edge.
Can be adjusted to approximately 2½" (63.5mm) to form a tight weather seal.
The hinge linkage is arranged that minimum pressure is required to activate the electrical control switch causing door to reverse direction of travel to the fully open position.
Reverse switch is enclosed in a galvanized housing with a sliding plunger to assure positive actuation every time.
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.
May be used in two different ways; as an OPEN only control (all LiftMaster operators) or as an OPEN/CLOSE control (only LiftMaster operators with types B2 and S2 control wiring). In the latter case pulling the cord will open a fully closed door close a fully opened door and reverse a closing door.
Pulling the cord whlie the door is opening will either have no effect (type B2 wiring) or will stop the door (Solid State Logic Control Board).
WARNING: When used on most industrial operators this control will not stop the door. Use another control that has a STOP button in conjunction with this control.
€¢The MWR12 receiver is designed to receive information from the transmitter and relay it to the motor to stop or reverse motion if the edge comes into contact with an obstruction.
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.