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).
Suspended from the ceiling the operators are used on sectional overhead doors with standard lift.
T operators are directly attached to drive and control the door.
MyQ® Technology enables you to securely monitor and control your facility operator and lights with your smartphone tablet or computer for greater peace of mind.
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.
This operator comes with the carwash modification already installed
Shutters can be up to 13'- 6 inches wide and 12 feet tall with UL labels Class A B or C while still being able to function as normal counter rolling shutters.
Oversized fire shutters can be manufactured up to 20 feet wide
Model 7500 fire shutters can be installed with either a manual lift external motors a hand crank with or without automatic testing tubular models with the option of automatic testing
Along with UL labels that will automatically close the fire shutters for either 3 1½ or ¾ hours the fire shutters can also be manufactured with smoke protection
Available finishes: Hot-dipped galvanized steel with an optional baked-on gray polyester enamel coating or 304 stainless steel with a number 4 finish flat profile
The viscous speed governor can be set to automatically close the fire shutters at speeds of 6 inches per second up to 24 inches per second complying with NFPA 80 specifications.
Gearhead style commercial door operators employ lubricated gears for heavy industrial high cycle applications.
GH-style operators include a floor level chain hoist to ease manual operation in an emergency or power outage.
Hoist wheel is easily moved to Right or Left hand side of unit eliminating the need to order right or left hand mounting.
MyQ Technology enables you to securely monitor and control your facility operator with your smartphone tablet or computer. Internet Gateway 828LM required.
Security +2.0 radio receiver safeguards your facility - with every click a new code is sent to the commercial door operator so the door opens only for you.
Timer-To-Close: Conveniently and confidently closes the commercial door automatically after a predetermined amount of time has elapsed for added security and peace of mind.