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2 conductors from master to power source
it remains on for 30 seconds or until a code is sent
The ULT-DIN provides relay contact outputs indicating vehicle presence and a second set of relay contact outputs providing auxiliary functions
then it functions as a reader
Sensitivity setting is extremely simple with SECO-LARM’s yellow turbulence LED (patented) which eliminates the need for external test meters
Liftmaster HTR Heater Kit - DC Operators keypads 2 conductors from master toFor use with various LiftMaster DC Gate Operators and Commercial Door Operators; commonly utilized in units installed in regions reaching 40F ( 40C) 140F (60C). Refer to the operator product specifications before ordering to ensure compatibility. Protects system to 40F ( 40C) 140F (60C) and installs within operator frame.
