LiftMaster J door operator - Manual (Page 22)

22
ENTRAPMENT PROTECTION
MOUNT THE PHOTOELECTRIC SENSORS (PROVIDED)
Center each sensor in the bracket with the lenses pointing
toward each other across the door.
Attach the sensors to the brackets with the provided
hardware. Finger tighten the receiving sensor wing nut.
Securely tighten the sending sensor wing nut.
Run the wires from both sensors to the operator. Use
insulated staples to secure wire to the wall and ceiling.
Connect the sensor wires to the operator (see below).
1
2
3
4
Wire
Indicator Light
“C” Wrap
Wing Nut
Hex Bolt 1/4-20x1-1/2"
Sensor
Photoelectric Sensor
6" (15 cm) max. above fl oor
Photoelectric Sensor
6" (15 cm) max. above fl oor
Invisible Light Beam Protection Area
Bell Wire
Secure wire with
insulated staples
Connect wire to
Operator (refer to
following page)
Entrapment Protection
WIRE THE LIFTMASTER MONITORED ENTRAPMENT PROTECTION (LMEP) DEVICES
Connect the LiftMaster Monitored Entrapment Protection
(LMEP) device to the logic board according to the models
shown below:
1
TTC
24VAC
24VAC
LMEP:
EDGE:
OPEN
CLOSE
STOP
COMMON
MAS
COMMON
TIMER
DEFEAT
POWER
TIMER
ENABLE
3
FSTS
DIAG
TS
3-PHASE 1-PHASE White (Blue)
White/Black (Brown)
CPS-U and CPS-UN4
40-34141-1
LMEP2
LMEP1
E1
E2
E3
E4
CPS-EI
24VAC
LMEP
EDGE
OPEN
CLOSE
STOP
COMMON
SBC
MAS
COMMON
TIMER
DEFEAT
POWER
Green LED
4-Wire Sensing Edge
Black
Black
White
White
CPS-EI