INSTALLATION MANUAL Logic 4 T AND APT H, J, AND HJ 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.
TABLE OF CONTENTS SAFETY INFORMATION ADJUSTMENT 23-24 Limit Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Clutch Adjustment (Belt Drive Model Operators) . . . . . . 24 3 TROLLEY OPERATORS 4-12 Carton Inventory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Operator Specifications . . . . . . . . . . . . . . . . . . . . . . . . .4-5 Maximum Door Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Weights and Dimensions . . . . . . . . . . . . . . . .
IMPORTANT NOTES: • BEFORE attempting to install, operate or maintain the operator, you must read and fully understand this manual and follow all safety instructions. • DO NOT attempt repair or service of your commercial door and gate operator unless you are an Authorized Service Technician. • Operator intended to be installed on a properly balanced door only. Make sure door is properly balanced before installing.
TROLLEY OPERATORS TROLLEY CARTON INVENTORY Before beginning your installation check that all components were provided.
OPERATOR SPECIFICATIONS DRIVE REDUCTION: Model APT and T . . . . . . . . . . Primary: Heavy duty (5L) V-Belt Secondary: #41 chain/sprocket; Output: #48 chain (1/3 and 1/2 HP Model T and APT) or #41 chain (3/4 and 1 HP Model T ONLY) Model GT . . . . . . . . . . . . . . . . . . . . . .Primary: 20:1 Heavy duty worm gear-in-oil-bath speed reducer Output: #41 chain OUTPUT SHAFT SPEED: Model APT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96 RPM Model GT . . . . . . . . . . . . . . . . . .
TROLLEY WEIGHTS AND DIMENSIONS MODELS T AND APT Hanging Weight: 80-110 lbs. 14" (35.56 cm) *Door Height Plus 4 feet (minimum) 4" (10.16 cm) 11.63" (29.54 cm) Highest Point of Door Travel *23.43" (59.51 cm) * - For Units with Brake add 3-1/2" (Standard on APT, T 3/4 and T 1 HP models; Optional on T 1/3 and 1/2 HP models) MODEL GT Hanging Weight: 140 lbs. 13.05" (33.15 cm) Door Height Plus 4 feet (minimum) 4" (10.16 cm) 18.5" (46.99 cm) * 17.5" (44.
ASSEMBLY ASSEMBLE THE OPERATOR (MODELS T AND GT) NOTE: For Model APT assembly refer to page 9. 2 HARDWARE Install the track spacers evenly over the length of the track. Fasten the spacers to the track with bolt (A) and flange hex nuts (B). B A Flange Hex Nut 3/8"-16 Bolt 3/8"-16 x 3/4" Install the front idler to the track with bolts (F) and washers (D). C Take Up Bolt 3 4 5 6 Assemble the trolley with the take up bolt (C), hex nuts (E), and lock washer (D).
TROLLEY INSTALL THE CHAIN (MODELS T AND GT) NOTE: For Model APT assembly refer to page 9. 1 2 3 4 5 6 Position the trolley 2 inches away from the front idler. Attach the chain to the trolley threaded shaft using the master link. Run the chain along the track to the operator. Wrap the chain around the operator drive sprocket. Run the chain along the track to the front idler. Wrap the chain around the front idler. Attach the chain to the front of the trolley using the master link.
ASSEMBLE THE OPERATOR (MODEL APT) NOTE: If your model is not an APT, proceed to the next page. Install the track spacers evenly over the length of the track. Fasten the spacers to the track with bolt (A) and flange hex nuts (B). 2 Install the front idler in the second set of holes on the end of the track with bolts (A) and nuts (B). 3 Slide the trolley onto the track so the door arm hole faces the front (towards the door).
TYPICAL INSTALLATION TROLLEY INSTALL THE HEADER BRACKET WARNING The trolley operator is generally mounted over the center of the door. However, off center mounting may be required due to interfering structures or location of door stile / top section support. Typically, the operator may be mounted up to 24 inches off center on torsion spring doors. Extension springs require center mounting.
ATTACH THE TRACK TO THE HEADER BRACKET 1 Align the track with the header bracket. the pin through the track and header bracket holes. 2 Insert Secure with the fasteners. 3 Swing the operator up and ensure the operator is level. HARDWARE Cotter pins (2) 2 1 3 WARNING HANG THE OPERATOR 1 CAUTION To avoid possible SERIOUS INJURY from a falling operator: • Fasten the operator SECURELY to structural supports of the building. • Concrete anchors MUST be used if installing ANY brackets into masonry.
ATTACH THE DOOR ARM TROLLEY HARDWARE 1 Latch the door arm to the trolley. Make sure the open side of the notch on the door arm faces the door. B A 2 attach the door bracket to the door using appropriate hardware Position the door bracket to the center line of the door and Flanged Hex Nut 3/8"-16 (2) (not included). NOTE: When properly installed and adjusted the door arm should be leaning back toward the operator slightly.
HOIST AND JACKSHAFT OPERATORS CARTON INVENTORY Before beginning your installation check that all components were provided. OPERATOR SPECIFICATIONS MOTOR ELECTRICAL TYPE: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous duty HORSEPOWER: Model J, H and HJ . . . . . . . . . . . . . . . . 1/3, 1/2, 3/4 and 1 HP Model GH . . . . . . . . . . . . . . . . . 1/2, 3/4, 1, 1-1/2, 2 and 3 HP SPEED:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OPERATOR SPECIFICATIONS DRIVE REDUCTION: Model J, H, and HJ . . . . . . . . Primary: Heavy duty (5L) V-Belt Secondary: #48 chain/sprocket; Output: #50 chain Model GH . . . . . . . . . . . . Primary: 45:1 for 1/2, 3/4 and 1 HP Worm gear-in-oil bath gear reducer 44:1 for 1-1/2 and 2 HP 42:1 for 3 HP Output: #50 chain OUTPUT SHAFT SPEED: Model J, H and HJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 RPM Model GH . . . . . . . . . . . . . . . . . . . . 38.3 for 1/2, 3/4 and 1 HP 39.
WEIGHTS AND DIMENSIONS MODELS J, H AND HJ Hanging Weight: 80-110 lbs. Door Height Plus 4 feet (minimum) A - Wall Mounting B - Bracket Mounting (rolling door) 14.5" (36.83 cm) 6.94" (17.63 cm) 16.81" (42.7 cm) 7.56" (19.2 cm) 3/8" Bolt 4.62" (11.73 cm) 7.56" (19.2 cm) 1.5" (3.81 cm) 4.41" (11.2 cm) 10.5" (26.67 cm) 20.15" (51.18 cm) A B B 13.75" (34.93 cm) 5.5" (14 cm) *23.43" (59.51 cm) 8.34" (21.18 cm) A 16.43" (41.73 cm) 7.62" (19.35 cm) B B A A 4.56" (11.
WARNING ASSEMBLY WARNING ASSEMBLE THE OPERATOR CAUTION WARNING HOIST AND JACKSHAFT It is imperative that the wall or mounting surface provide adequate support for the operator. This surface must: a. Be rigid to prevent play between the operator and the door shaft. b. Provide a level base. c. Permit the operator to be fastened securely and with the drive shaft parallel to the door shaft. To prevent possible SERIOUS INJURY or DEATH: • DO NOT connect electric power until instructed to do so.
MOUNTING 1 Place the door sprocket on the door shaft. the operator drive sprocket on the appropriate side of the 2 Place operator for your installation type. the drive chain around the door sprocket and the drive 3 Wrap sprocket then secure with the master link. the door and the drive sprockets. Insert keys and 4 Align fasten the sprockets with the set screws. NOTE: It is highly recommended to add a thread adhesive to secure the set screws in place.
WIRING WARNING To reduce the risk of SEVERE INJURY or DEATH: • ANY maintenance to the operator or in the area near the operator MUST NOT be performed until disconnecting the electrical power and locking-out the power. Upon completion of maintenance the area MUST be cleared and secured, at that time the unit may be returned to service. • Disconnect power at the fuse box BEFORE proceeding. Operator MUST be properly grounded and connected in accordance with national and local electrical codes.
NING WARNING CONTROL STATION ON WARNING To prevent possible SERIOUS INJURY or DEATH from electrocution: • Be sure power is NOT connected BEFORE installing door control. To prevent possible SERIOUS INJURY or DEATH from a closing door: • Install door control within sight of door, out of reach of children at a minimum height of 5 feet (1.5 m) and away from ALL moving parts of door.
ENTRAPMENT WARNING PROTECTION WARNING LIFTMASTER MONITORED ENTRAPMENT PROTECTION (LMEP) CAUTION WARNING To prevent possible SERIOUS INJURY or DEATH from a closing door: • Be sure power is NOT connected to the door operator BEFORE installing the photoelectric sensor. • The door MUST be in the fully opened or closed position BEFORE installing the LiftMaster Monitored Entrapment Protection device.
INSTALL THE PHOTOELECTRIC SENSORS (PROVIDED) The following instructions show recommended assembly of the bracket(s) and “C” wrap based on the wall installation of the photoelectric sensors on each side of the door or on the door tracks themselves. There are also alternate mounting methods which may fit your installation requirements better. Make sure the wraps and brackets are aligned so the photoelectric sensors will face each other across the door.
MOUNT THE PHOTOELECTRIC SENSORS (PROVIDED) 1 Center each sensor in the bracket with the lenses pointing toward each other across the door. Wing Nut “C” Wrap 2 3 4 Attach the sensors to the brackets with the provided hardware. Finger tighten the receiving sensor wing nut. Securely tighten the sending sensor wing nut. Wire Indicator Light Run the wires from both sensors to the operator. Use insulated staples to secure wire to the wall and ceiling.
WARNING ADJUSTMENT IMPORTANT SAFETY INSTRUCTIONS WARNING TO REDUCE THE RISK OF SEVERE INJURY OR DEATH: 1. READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS. 2. ALWAYS keep remote controls out of reach of children. NEVER permit children to operate or play with door control push buttons or remote controls. 3. ONLY activate door when it can be seen clearly, it is properly adjusted and there are no obstructions to door travel. 4.
WARNING WARNING CLUTCH ADJUSTMENT (BELT DRIVE MODEL OPERATORS) CAUTION 1 2 3 4 Remove the cotter pin from the clutch nut on the clutch shaft. Turn the clutch nut to release tension. Re-tighten the clutch nut until there is just enough tension to permit smooth operation of the door and to allow the clutch to slip if the door is obstructed. WARNING To avoid SERIOUS personal INJURY or DEATH from electrocution: • Disconnect electric power BEFORE performing ANY adjustments or maintenance.
WARNING TESTING WARNING 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.
MANUAL RELEASE EMERGENCY DISCONNECT SYSTEM MODEL GT AND T 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. • NEVER use emergency release handle unless doorway is clear of persons and obstructions.
WARNING 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.
PROGRAMMING INTRODUCTION TO PROGRAMMING Many programmable functions require that a LiftMaster Entrapment Protection (LMEP) device be installed in order to function. Refer to the Entrapment Protection section.
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.
PROGRAMMING REMOTE CONTROLS 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. WA • Activate door ONLY when it can be seen clearly, is properly CAUTION adjusted and there are no obstructions to door travel. W • ALWAYS keep door in sight until completely closed. NEVER permit anyone to cross the path of closing door.
PROGRAMMING REMOTE CONTROLS DATA SLOT 1 MER NABLE EDGE: 24VAC 2 Open SLOT OPEN POWER OPEN 24VAC MID 3-PHASE MOTOR DIRECTION 1-PHASE STD CLOSE REV Close TIMER DEFEAT OLS COMMON MAS SLS CLS CLOSE LMEP: MRT MID TTC 1 2 3 TIMER ENABLE EDGE: OPEN Stop STOP RADIO CLOSE STOP T STOP COMMON TS E2 FSTS D1 DIAG C2 RELAY RELAY Programming - Remote controls COMMON OPTN PROG B2 A B SBC 31 PROGRAMMING REMOTE CONTROL PROGRAMMING FEATURE Program Remote Controls from the
MAINTENANCE ALERT SYSTEM (MAS) PROGRAMMING Feature: An internal cycle counter will activate a flashing LED on the 3-button control station when the preset number of cycles or months has elapsed (whichever occurs first). Setting this feature is optional. By default this feature will never activate. Logic 4 operators incorporate a self diagnostic feature built into the MAS LED. In addition to indicating when routine maintenance is due, the MAS LED can be used to troubleshoot some problems with the operator.
OPEN MID STOP Feature: The Mid Stop feature is to open the door to a preset point prior to the fully open position. Benefit: The door opens to a midpoint between open and close reducing heating and cooling costs. The door will not cycle fully, providing longer door and operator life. To Program: 1. Close the door. 2. Turn selector dial to PROGRAM. 3. Press and release the MID button on logic board. 4.
TIMER-TO-CLOSE PROGRAM TIMER-TO-CLOSE BY EXAMPLE (Method 2): TO PROGRAM: 1. Close the door. 2. Turn the selector dial to PROGRAM. 3. Press and hold TIMER button for 5 seconds until OPEN and OLS flashes then release. 4. Press and release the OPEN button and wait for the door to reach full open or mid stop position. 5. Wait for desired amount of time to pass. (An internal stop watch starts counting when the door stops moving.) 6.
MAXIMUM RUN TIMER (MRT) Feature: The operator can learn the time it takes to open or close the door plus and an additional 10 seconds. Benefit: If the operator does not meet its open or close limit within the set time it will stop, limiting damage to the door and operator. To Program: NOTE: The default setting for the MRT is 90 seconds. In the event the application requires the MRT be manually learned for a longer duration follow steps below. 1. Start with the door in the closed position. 2.
WARNING WARNING MAINTENANCE MAINTENANCE SCHEDULE CAUTION WARNING For use with Maintenance Alert System. Check at the intervals listed in the following chart: ITEM Drive Chain To avoid SERIOUS personal INJURY or DEATH: • Disconnect electric power BEFORE performing ANY adjustments or maintenance. • ALL maintenance MUST be performed by a trained door systems technician. PROCEDURE EVERY MONTH Check for excessive slack. Check and adjust as required. Lubricate.
TROUBLESHOOTING DIAGNOSTIC CHART The logic board has several LEDs to assist in the installation and troubleshooting of the operator. The following chart should assist in verifying the operator is functioning properly. Turn the selector dial to DIAGNOSTIC to keep the door from moving while troubleshooting. LED COLOR DEFINITION Power Green Indicates that power is being generated for the logic board. Stop Green Indicates a closed circuit between common and terminal 5.
TROUBLESHOOTING GUIDE FAULT THE OPERATOR WILL NOT RESPOND TO ANY COMMANDS a) No power supply FIX ➤ Verify primary line voltage from power source. Green POWER LED must be on. b) Operator control station is wired wrong ➤ Use the OPEN, CLOSE and STOP LEDs to help check correct wiring. Verify that the board is accepting commands by using the onboard station. Green LED next to stop button must be on. c) Interlock switch is activated ➤ Check Interlock(s).
TROUBLESHOOTING ERROR CODES Logic 4.0 operators incorporate a self diagnostic feature built into the MAS LED. In addition to indicating when routine maintenance is due, the MAS LED can be used to troubleshoot some problems with the operator. If the MAS LED is flashing on and off rapidly, the Maintenance Alert System has been triggered and the schedule operator service is due. If the MAS LED flashes 2 or more pulses in a row followed by a pause, an operator error has occurred.
TROUBLESHOOTING RADIO FUNCTIONALITY The error codes will display at the radio LED. NOTE: Radio receiver is compatible with 315 MHz remotes. ERROR CODE R1 DISPLAY Quick Flash SYMPTOM POSSIBLE PROBLEM CORRECTION No response from the remote Unlearned remote A user tries to use a remote, but the RADIO LED only flashes briefly and there is no response from the operator. Try re-learning the remote (page 30).
WIRING DIAGRAMS LOGIC (VER. 4.0) 1 PHASE WIRING DIAGRAM OPEN Maintenance Alert LED (RD) (WH) CLOSE STOP Open 3-Button Station 230V MOTOR CONNECTION Close Sensing Edge NOTE: Gray (GY) and purple (PU) motor wires are reversed for H and HJ right hand models and all GH and J models.
LOGIC (VER. 4.
OPEN ACCESSORIES REMOTE CONTROLS 315MHz ENTRAPMENT PROTECTION DEVICES MONITORED LiftMaster offers a variety of SECURITY✚® Remote Controls for your application needs. Single to 4-Button, visor or key chain. Contact your authorized dealer. 371LM CPS-UN4 OPEN Provides protection on doors up to 45' wide. NEMA-4 rated. 1-Button SECURITY✚® Remote Control: OPEN CPS-U Includes visor clip. 373LM Commercial Protector System®: Commercial Protector System®: Provides protection on doors up to 30' wide.
CONTROL CONNECTION DIAGRAM IMPORTANT NOTES: 1. The 3-Button Control Station provided must be connected for operation. 2. If a STOP button is not used, a jumper must be placed between terminals 4 and 5. 3. When adding accessories, install them one at a time and test each one after it is added to ensure proper installation and operation with the Commercial Door Operator.
