Introduction
The LiftMaster
®
Photoelectric Sensors provide
non-contact monitored entrapment protection. For
use with LiftMaster
®
UL Listed gate operators. The
sensors are UL recognized components and meet UL
325 requirements. Monitored external entrapment
protection devices MUST be installed at each
Entrapment Zone. Refer to gate operator manual for
compatibility with LMTBUL sensor.
Specifi cations
Max Range: 90 ft. (27.4 m)
Sensor Dimensions with Hood: 2.29" W x 3.72" H x
2.76" D
Cable Length: 10 ft. (3 m)
Operating Temperature: -40˚C to 65˚C (-40˚F to
149˚F)
Outdoor Rating: Nema 4X
Heater: Thermostatically controlled, NOT
recommended for solar applications
Input Voltage:
Sensor: Black/red wires 6.8 VDC, 20mA
Heater: Green/white wires 10-40VDC or 8-28 VAC,
4watts max., 170mA per pair @ 24 VDC/VAC,
340mA per pair @ 12 VDC/VAC
MONITORED THROUGH BEAM
PHOTOELECTRIC SENSOR
Model LMTBUL
To prevent possible SERIOUS INJURY or DEATH from a closing gate or door:
• Read and follow ALL instructions.
• Be sure to DISCONNECT ALL POWER to the operator BEFORE installing the photoelectric sensors.
• The gate or door MUST be in the fully opened or closed position BEFORE installing the LiftMaster
®
Monitored Entrapment Protection device.
• Correctly connect and align the photoelectric sensor.
• Install the photoelectric sensor so that the center of the sensor window is NO HIGHER than 4-1/2"
(11.4cm) above the fl oor for door operators and 26" (66 cm) above grade for gate operators.
• Monitored external entrapment protection devices MUST be installed per the operator installation
manual at each Entrapment Zone.
• The sensors MUST be mounted vertically.
• Test the gate operator and ALL photoelectric sensors monthly. Replace ANY damaged devices.
• SAVE THESE INSTRUCTIONS.
WARNING: This product can expose you to chemicals including lead, which are known
to the State of California to cause cancer or birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov.
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