MEDIUM DUTY LOGIC USER'S GUIDE MH 5011U MHS 5011U MT 5011U BMT 5011U MGJ 5011U MJ 5011U CONTACT INFORMATION Radio Receiver Built on Board Installation Date www.liftmaster.
INTRODUCTION Congratulations on purchasing a quality, LiftMaster Medium Duty Commercial Door Operator. Your new operator is capable of operating up to 12 cycles per hour or 50 cycles per day. It is equipped with a built in radio receiver that is compatible with our existing 315 MHz product line as well as a Timer-to-Close (TTC) feature that can be enabled when LiftMaster Commercial Protector System® is installed and aligned properly.
BASIC PROGRAMMING DETERMINE THE WIRING TYPE ALTERNATE INSTALLATION: C2 WIRING TYPE WITH MONITORED ENTRAPMENT PROTECTION DEVICE 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.
BASIC PROGRAMMING WARNING To prevent possible SEVERE INJURY or DEATH: • Install a LiftMaster Monitored Entrapment Protection (LMEP) device. • NEVER permit children to operate or play with door control push buttons or remote controls. • Activate door ONLY when it can be seen clearly, is properly CAUTION adjusted and there are no obstructions to door travel. • ALWAYS keep door in sight until completely closed. NEVER permit anyone to cross the path of closing door.
BASIC PROGRAMMING TIMER-TO-CLOSE (TTC) Timer-to-Close feature enables the operator to close from the open limit after a preset time, adjustable from 5 to 60 seconds. Requires LiftMaster Monitored Entrapment Protection (LMEP) device. TO PROGRAM Begin with door in fully closed position. 1 2 4 R27 1 2 4 4 4 5 Press and release the TTC button to exit programming mode. The LED will flash once per 5 seconds of timer setting.
NG TESTING WARNING N WARNING To avoid SERIOUS personal INJURY or DEATH: • Disconnect electric power BEFORE performing ANY adjustments or maintenance. Turn on power, LED will flash 4 times on power up. Test all controls and entrapment protection devices to make sure they are working properly. It may be necessary to refer back to the Adjustment section for adjustment of the limits.
EMERGENCY DISCONNECT The operators have provisions for manually operating the door in case of emergency or power failure. Refer to the appropriate instructions for your model operator. WARNING To prevent possible SERIOUS INJURY or DEATH from a falling door or arm: • DO NOT stand under the door arm when pulling the emergency release. • If possible, use emergency release handle to disengage trolley ONLY when door is CLOSED.
NG EMERGENCY DISCONNECT WARNING N WARNING To prevent possible SERIOUS INJURY from a moving chain: • DISCONNECT electric power to the operator BEFORE manually operating your door. • If possible, use emergency disconnect ONLY when door is CLOSED. Weak or broken springs or unbalanced door could result in an open door falling rapidly and/or unexpectedly. • NEVER use emergency disconnect unless doorway is clear of persons and obstructions.
TROUBLESHOOTING To locate a dealer in your area visit us online at www.liftmaster.com. CONDITION POSSIBLE CAUSE FIX OPERATOR WILL NOT RESPOND TO ANY No power COMMANDS ➤ Check circuit breaker. Accessory failure ➤ Verify photoelectric sensors are aligned. Possible component failure ➤ Contact your installing dealer. OPERATOR MAKES NOISE BUT DOOR DOES NOT MOVE Operator requires adjustment ➤ Contact your installing dealer.
OPERATOR NOTES 10
ACCESSORIES ENTRAPMENT PROTECTION DEVICES REMOTE CONTROLS 315 MHZ ® LiftMaster offers a variety of SECURITY✚ Remote Controls for your application needs. Single to 4-Button, visor or key chain. Contact your authorized dealer. CPS-UN4 Commercial Protector System: LiftMaster Monitored Entrapment Protection (LMEP) provides protection on doors up to 45' wide. NEMA-4 rated. CPS-U 371LM 1-Button SECURITY✚® Remote Control: Includes visor clip.
ACCESSORIES FIELD MODIFICATION KITS ANTENNA 71MLSBC EXT-ANT Single Button Control: Provides additional input for Single Button Control functionality. Input functions as Close input when the operator is stopped at the Open limit. Input functions as Open input at all other times. Also used with external radio controls. 71 MLMOTION Door-In-Motion: Provides dry contact and a terminal block with contacts switched to power an auxiliary device while the door is in motion.
