USER’S GUIDE Logic 4 T AND APT H, J, AND HJ L3 L3 GT GH THIS PRODUCT IS TO BE INSTALLED AND SERVICED BY A TRAINED DOOR SYSTEMS TECHNICIAN ONLY. 2 YEAR WARRANTY Serial # Box Installation Date Operators are shipped in C2 operating mode. Visit www.liftmaster.com to locate a professional installing dealer in your area.
INTRODUCTION Congratulations on purchasing a quality, LiftMaster Logic 4 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 AND SET WIRING TYPE Read the descriptions of the different wiring types to determine which setting will be correct for each application. Once the wiring type is determined, set the selector dial accordingly. LIFTMASTER MONITORED ENTRAPMENT PROTECTION (LMEP) DEVICE IS REQUIRED A LiftMaster Entrapment Protection (LMEP) device is required for the following wiring types.
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 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. W • 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 path of closing door.
MANUAL RELEASE 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. Weak or broken springs or unbalanced door could result in an open door falling rapidly and/or unexpectedly. W CAUTION • NEVER use emergency release handle unless doorway is clear of persons and obstructions.
WARNING MANUAL RELEASE EMERGENCY DISCONNECT SYSTEM MODEL H, GH, J, AND HJ CAUTION 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.
WARNING WARNING TESTING Apply power to the operator. When power is applied to the operator, the following LED’s will illuminate: STOP, CLOSE, OPEN, LMEP, 24Vac, RADIO, DATA, TIMER ENABLE, OLS MID, SLS, CLS, and MAS.
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
OPEN ACCESSORIES OPEN CLOSE OPEN REMOTE CONTROLS 315MHz ENTRAPMENT PROTECTION DEVICES OPEN 371LM CLOSE MONITORED ® 1-Button SECURITY✚ Remote Control: Includes visor clip. CPS-UN4 Commercial Protector System®: OPEN Provides protection on doors up to 45' wide. NEMA-4 rated. CLOSE 373LM 3-Button SECURITY✚® Remote Control: Includes visor clip. OPEN CPS-U Commercial Protector System®: CLOSE Provides protection on doors up to 30' wide.
01-35242 © 2010, The Chamberlain Group, Inc.
