Introduction
The LiftMaster
®
Retro-Refl ective Photoelectric
Sensor provides non-contact monitored entrapment
protection. For use with LiftMaster
gate operators. The sensor is a UL Recognized
Component and meets UL 325 requirements.
Monitored external entrapment protection devices
MUST be installed at each Entrapment Zone. Refer to
gate operator manual for compatibility with LMRRUL
sensor.
Specifi cations
Max Range: 50 ft. (15.2 m)
Sensor Dimensions with Hood:
2.29" W x 3.72" H x 2.76" D
Refl ector Dimensions with Hood:
2.61" W x 4.72" H x 2" D
Cable Length: 10 ft. (3 m)
Operating Temperature: -40˚C to 65˚C
(-40˚F a 149˚F)
Outdoor Rating: Nema 4X
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 sensor.
•
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" (11.4 cm) 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 sensor and refl ector MUST be mounted vertically.
•
Use the provided refl ector ONLY.
•
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.
MONITORED RETRO-REFLECTIVE
®
UL Listed
PHOTOELECTRIC SENSOR
Input voltage:
Sensor: Black/red wires 6.8 VDC, 20mA
Heater: Green/white wires 10-40VDC or 8-28 VAC, 2
watts max., 170mA @ 12 VDC/VAC,
85mA @ 24 VDC/VAC
Heater: Thermostatically controlled, NOT
recommended for solar applications
Model LMRRUL
®