User's Guide - Page 3

For MHS. Also, The document are for others LiftMaster models: MH 5011U, MHS 5011U, MT 5011U, BMT 5011U, MGJ 5011U, MJ 5011U

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3
Photoelectric Sensor
ALTERNATE INSTALLATION: C2 WIRING TYPE WITH MONITORED
ENTRAPMENT PROTECTION DEVICE
Momentary contact to open and stop with constant pressure to
close.
Open override that reverses when closing by any opening
device.
Wiring for entrapment protection device to reverse.
NOTE: The operator will automatically convert to B2 wiring
when Monitored Entrapment Protection Device is installed. (See
accessories page for Monitored Entrapment Protection Devices.)
Timer-to-Close (TTC) feature not available.
Press and hold the LEARN and CLOSE buttons until the LED
goes out (approximately 3 seconds).
MONITORED ENTRAPMENT PROTECTION DEVICE
To Program:
TTC
LED
AUX ANT
R27
L5
TP1
C20
C9
C29
R24
J2
C21
J4
K2
LT
P1
C32
U4
D7
D6
D5
D4
R25
U1
C31
D14
C18
014A1030
^^^^
D9
LEARN
1234567
LMEP1 LMEP2
INTRLKCOM
STOP CLOSE OPEN
STOP CLOSE OPEN
AUX ANT
Logic Board
Electrical Box
D14
LED
LEARN
1 2345 67
STOP CLOSE OPEN
ALTERNATE INSTALLATION: C2 WIRING TYPE WITHOUT
MONITORED ENTRAPMENT PROTECTION DEVICE
(FACTORY DEFAULT)
Momentary contact to open and stop with constant pressure to
close.
Open override that reverses when closing by any opening
device.
Wiring for entrapment protection device to reverse.
NOTE: The operator will automatically convert to B2 wiring
when Monitored Entrapment Protection Device is installed.
(See accessories page for Monitored Entrapment Protection
Devices.)
Timer-to-Close (TTC) feature not available.
NON-MONITORED ENTRAPMENT PROTECTION DEVICE
Sensing Edge
Remove any monitored entrapment protection devices.
Turn the main power OFF and then ON to restore the operator
to the FACTORY DEFAULT setting.
Reset to FACTORY DEFAULT (C2) when the Monitored
Entrapment Protection Device has been learned and then
removed:
1
1
2
BASIC PROGRAMMING
DETERMINE THE WIRING TYPE
To Reset to B2 with Monitored Entrapment Protection Device:
Press and hold the LEARN and STOP buttons until the LED
goes out (approximately 3 seconds).
1
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