Chamberlain GT Owner's Manual
  1. Manuals
  2. Brands
  3. Chamberlain Manuals
  4. Garage Door Opener
  5. GT
  6. Owner's manual
Chamberlain GT Owner's Manual

Chamberlain GT Owner's Manual

Logic 3 industrial duty commercial door operator
Hide thumbs Also See for GT:
Table of Contents

Advertisement

Quick Links

Download this manual See also: User Manual, Installation Manual
I I N N D D U U S S T T R R I I A A L L D D U U T T Y Y C C O O M M M M E E R R C C I I A A L L D D O O O O R R O O P P E E R R A A T T O O R R
INTENDED FOR PROFESSIONAL INSTALLATION ONLY
Visit www.LiftMaster.com to locate a professional installing dealer in your area.
2 Y E A R W A R R A N T Y
Serial # Box
Installation Date
O O W W N N E E R R ' ' S S M M A A N N U U A A L L
G G T T
A SAFETY DEVICE IS HIGHLY RECOMMENDED
L
ogic
This Operator Features
the Enhanced
PAT E N T P E N D I N G
The Maintenance Alert System™ allows the
installer to set an internal Maintenance
Cycle Counter. The Logic 3 operator
incorporates a self-diagnostic feature built
into the (MAS) Maintenance Alert System
LED. An LED on the 3-button station will
signal
when
the
set
number
cycles/months is reached or when the
operator requires immediate service.
Radio Receiver
Built on Board
315MHz
NOT FOR RESIDENTIAL USE
3
of

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the GT and is the answer not in the manual?

Questions and answers

Related Manuals for Chamberlain GT

Summary of Contents for Chamberlain GT

  • Page 1 Radio Receiver Built on Board INTENDED FOR PROFESSIONAL INSTALLATION ONLY Visit www.LiftMaster.com to locate a professional installing dealer in your area. 315MHz NOT FOR RESIDENTIAL USE 2 Y E A R W A R R A N T Y...

  • Page 2: Table Of Contents

    T A B L E O F C O N T E N T S SPECIFICATIONS PROGRAMMING Carton Inventory ........3 Logic Control Pushbuttons .

  • Page 3: Carton Inventory

    C A R T O N I N V E N T O R Y Before beginning your installation check that all components were provided. DESCRIPTION POWERHEAD ASSEMBLY OWNER’S MANUAL AND CAUTION LABELS HARDWARE BOX (INCLUDES FASTENERS, TRACK SPACERS, TROLLEY, DOOR ARM ASSEMBLY, FRONT IDLER AND HEADER MOUNTING BRACKET) 3-BUTTON CONTROL STATION WITH LED TROLLEY DRIVE CHAIN #41...

  • Page 4: Operator Specifications

    O P E R A T O R S P E C I F I C A T I O N S MOTOR ELECTRICAL TRANSFORMER: ....... .24Vac TYPE: .

  • Page 5: Preparation

    WARNING WARNING P R E P A R A T I O N TRACK ASSEMBLY CAUTION WARNING WARNING 1. Using the 3/8"-16 x 3/4" bolts and flange hex nuts provided, assemble the operator track by installing and tightening the To prevent possible SERIOUS INJURY or DEATH: track spacer brackets.

  • Page 6: Installation

    I N S T A L L A T I O N IMPORTANT NOTE: Before your operator is installed, be sure the door has been properly aligned and is working smoothly. The operator may be wall mounted or mounted on a bracket or shelf. If necessary, refer to the preparation on page 5. Refer to the illustrations and instructions below that suit your application.

  • Page 7: Hang The Operator

    I N S T A L L A T I O N HANG THE OPERATOR WARNING WARNING 1. The illustration below shows a typical method of hanging the operator from the ceiling. Each installation may vary, but in all To avoid possible SERIOUS INJURY from a falling operator, cases side braces should be used for additional strength.

  • Page 8: Entrapment Protection Accessories

    I N S T A L L A T I O N ENTRAPMENT PROTECTION ACCESSORIES WARNING WARNING (OPTIONAL) PHOTO EYES AND SENSING EDGES To prevent possible SEVERE INJURY or DEATH, install reversing Sensing devices provided for door industry type operators with an sensors when: CAUTION isolated normally open (N.O.) dry contact output are compatible...

  • Page 9: Adjustment

    WARNING WARNING A D J U S T M E N T LIMIT SWITCH ADJUSTMENT CAUTION WARNING WARNING NOTE: Make sure the limit nuts are positioned between the limit switches before proceeding with adjustments. To avoid SERIOUS personal INJURY or DEATH from electrocution, disconnect electric power BEFORE manually 1.

  • Page 10: Emergency Disconnect System

    A D J U S T M E N T EMERGENCY DISCONNECT SYSTEM WARNING WARNING TO DISCONNECT DOOR FROM OPERATOR To prevent possible SERIOUS INJURY or DEATH from a falling The door should be in the fully closed position if possible. Pull door or arm: CAUTION down on the emergency release handle (so that the trolley release...

  • Page 11: Torque Adjustment

    4. Re-tighten the set screw that is directly over the flat portion of the shaft. Torque Nut Set Screws BRAKE ADJUSTMENT A solenoid brake is standard on GT operators. The brake is Brake adjusted at the factory and should not need additional adjustment Assembly for the the life of the friction pad.

  • Page 12: Safety Warnings

    WARNING P O W E R W I R I N G & G R O U N D W I R I N G WARNING WARNING To reduce the risk of SEVERE INJURY or DEATH: • ALL electrical connections MUST be made by a qualified individual.

  • Page 13: Control Station Wiring & Installation

    TIMER without moving the door. TIMER DEFEAT DEFEAT If the door moves in the wrong direction and or the limits move PHOTO EYES (LiftMaster Only) EYES in the wrong direction, simply move the motor direction jumper ATTENTION EYES EYES REVERSE...

  • Page 14: Standard Power & Control Connection Diagrams

    S T A N D A R D P O W E R & C O N T R O L C O N N E C T I O N D I A G R A M S OPEN Maintenance Alert LED CLOSE...

  • Page 15: Phase Wiring Diagram

    L O G I C ( V E R . 3 . 0 ) 1 P H A S E W I R I N G D I A G R A M OPEN Maintenance CLOSE Alert LED (RD) (WH) STOP Open 3-Button...

  • Page 16: Phase Wiring Diagram

    L O G I C ( V E R . 3 . 0 ) 3 P H A S E W I R I N G D I A G R A M (BL/BK) (GY) (GY) (GY) OPEN (BR) (BR) (BR) (PU) (PU)

  • Page 17: Logic Board

    L O G I C B O A R D Ø14LGØ657–A Ø14GPØ657–A C3Ø Auxiliary Board Motor Direction Connections Jumper D3Ø2 P1Ø Single Phase and Three Phase Jumper POWER Programmed Chip TIMER J3ØØ TIMER Maintenance Alert DEFEAT DEFEAT System Button for Programming Maximum Run Timer Button...

  • Page 18: Programming

    P R O G R A M M I N G SELECTOR DIAL LOGIC CONTROL PUSHBUTTONS OPEN, CLOSE, STOP Open, Close and Stop buttons are mounted directly on the logic board. Thus, making it easy to program as well as have door control at the electrical box.

  • Page 19: Failsafe Wiring Types

    P R O G R A M M I N G FAILSAFE WIRING TYPES TYPE Momentary contact to open, close, and stop with B2 Failsafe Same functions as B2. Self Monitoring safety device open override and Timer To Close. Every device that must be installed to operate door for each of the causes door to open, including a reversing device, following failsafe wiring types.

  • Page 20: Programming Remotes

    P R O G R A M M I N G STANDARD SINGLE BUTTON REMOTE CONTROL WARNING WARNING Built in 3-channel, 315MHz radio receiver allows you to add as many as 23 Security✚ ® remote controls or dip switch To prevent possible SEVERE INJURY or DEATH, install reversing remote controls.
  • Page 21 P R O G R A M M I N G REMOTE CONTROL PROGRAMMING FEATURE 3-BUTTON REMOTE CONTROLS Program Remote Controls from the 3-button control station Your 315MHz Security✚ ® or dip switch remote control can be (3BCS). programmed to operate as a 3-button wireless control station: Requires Firmware Version 4.6 or higher and a 3BCS with the the large button will open the door, the middle button will close MAS connected to the control board.

  • Page 22: Maintenance Alert System (Mas)

    P R O G R A M M I N G SELECTOR DIAL MAINTENANCE ALERT SYSTEM (MAS) 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.

  • Page 23: Mid Stop

    P R O G R A M M I N G OPEN MID STOP Feature: The mid stop feature is to open the door to a preset point prior to the fully open position. SELECTOR DIAL Benefit: The door opens to a midpoint between open and close reducing heating and cooling costs.

  • Page 24: Timer To Close

    P R O G R A M M I N G TIMER TO CLOSE PROGRAM TIMER TO CLOSE BY EXAMPLE (Method 2): To deactivate the timer from the open position press the STOP button. The timer will be reactivated on the next operation To Program: command.

  • Page 25: Automatically Learned Programming

    By removing the centrifugal for 1/3 and 1/2 horsepower single phase motors, the leading cause of motor failures is eliminated. (Auxiliary Reversal System not applicable on models GH and GT.) Logic Board NOTE: This feature is automatically learned and does not require programming.

  • Page 26: Optional Programming

    Requirements: Must have the LiftMaster Red/Green warning light limit kit RDGRNCARD and must have at least one of the following safety devices attached: CPS-L, CPS-LN4 or CPS3. See Red/Green warning light instructions for further details.

  • Page 27: Maintenance

    ALL electric power BEFORE Call our TOLL FREE number: performing ANY maintenance. 1-800-528-2806 www.liftmaster.com Use SAE 30 Oil (Never use grease or silicone spray). • Do not lubricate motor. Motor bearings are rated for continuous operation. • Do not lubricate clutch or V-belt.

  • Page 28: Troubleshooting

    T R O U B L E S H O O T I N G 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.

  • Page 29: Troubleshooting Guide

    TROUBLESHOOTING GUIDE FAULT POSSIBLE CAUSE ➤ THE OPERATOR WILL a) No power supply Verify primary line voltage from power source. ➤ NOT RESPOND TO ANY b) Operator control station is wired wrong Use the OPEN, CLOSE and STOP LEDs to help check correct wiring. COMMANDS Verify that the board is accepting commands by using the onboard station.

  • Page 30: Troubleshooting Error Codes

    TROUBLESHOOTING ERROR CODES Logic 3.0 operators incorporate a self diagnostic feature built into followed by a pause, an operator error has occurred. To view how the MAS LED. In addition to indicating when routing maintenance many errors currently exist, turn the selector dial to DIAGNOSTIC is due, the MAS LED can be used to troubleshoot some problems and press the OPEN button.

  • Page 31: Troubleshooting Radio Functionality

    TROUBLESHOOTING RADIO FUNCTIONALITY The error codes will display at the radio LED. NOTE: Radio receiver is compatible with 315MHz remotes ERROR CODE SYMPTOM DISPLAY POSSIBLE PROBLEM CORRECTION No response from the remote Quick Flash Unlearned remote - Try re-learning the A user tries to use a remote, remote (page 20).

  • Page 32: Electrical Box

    E L E C T R I C A L B O X (K72-12515-1) (K72-10047-1)
  • Page 33 E L E C T R I C A L B O X L O G I C ( V E R 3 . 0 ) For replacement of electrical box, motor or brake components be sure to match model number of your unit to kit number below to ensure proper voltage requirements.
  • Page 34 M O D E L G T K5 (K72-18989) K3 (K72-12859) K6 (K75-12870) K1 (71-B120) (71-B240) (71-B575) K2 (K75-10177) K4 (K75-12858)

  • Page 35: Repair Parts Kits

    R E P A I R P A R T S K I T S - M O D E L G T SERVICE KITS INDIVIDUAL PARTS ITEM PART # DESCRIPTION ITEM PART # DESCRIPTION 71-B120 Brake kit - 115 Volt models 22-120 Brake solenoid, 115V 71-B240...

  • Page 36: Control Connection Diagram

    OPEN / CLOSE B2, T, TS & FSTS MODE ONLY Any Commercial Type See note 2. LiftMaster Brand Receiver SENSING DEVICE TO REVERSE OR STOP EXTERNAL INTERLOCK Note: 11 and 4 are both the same common. Remove Factory Installed Jumper Either is acceptable.

Table of Contents