LiftMaster GT GT-LOGIC 3 Manual

LiftMaster GT Manual

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  • LiftMaster GT | GT-LOGIC 3 Manual - Page 1
    L 3 ogic OWNER'S MANUAL GT INDUSTRIAL DUTY COMMERCIAL DOOR OPERATOR This Operator Features the Enhanced INTENAN MA E M E C AL E PATENT PENDING R T T SYS The Maintenance Alert System™ allows the installer to set an internal Maintenance Cycle Counter. The Logic 3 operator incorporates a self-
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 2
    /RPM Sensor 25 Maximum Run Timer (MRT 25 OPTIONAL PROGRAMMING Red/Green Warning Light Card 26 Resetting Factory Defaults - Clearing Memory 26 MAINTENANCE Maintenance Schedule 27 Life of Operator Feature 27 How to Order Repair Parts 27 TROUBLESHOOTING Diagnostic Chart 28 Troubleshooting Guide
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 3
    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 NOTE: The tracks are shipped separately. OPERATOR DIMENSIONS WEIGHTS
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 4
    :1 Heavy duty worm gear-in-oil-bath speed reducer OUTPUT SHAFT SPEED 113.5 RPM DOOR SPEED 1' per second depending on door BRAKE Solenoid actuated disc brake BEARINGS Output Shaft Shielded Ball Bearing SAFETY DISCONNECT Quick disconnect door arm for emergency manual door operation. SAFETY PHOTO
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 5
    motor side of operator is in back (away from door ). 2. Secure the operator in place by instructed to do so. • If the door lock needs to remain functional, install an interlock switch. • ALWAYS call a trained professional door serviceman if door binds, sticks or is out of balance. An unbalanced door
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 6
    bracket to the pad. 4. Raise the operator to a horizontal position above the guide rails and temporarily secure with a suitable rope, chain, or support from the floor. Open door slowly, being careful not to dislodge the temporary support. Using the door as a support, place a level against the rail
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 7
    if the bracket is not centered above the door). NOTE: If the operator is longer than 15' use of a mid-span support is recommended. WARNING To avoid possible SERIOUS INJURY from a falling operator, CAUTION fasten it SECURELY to structural supports of the garage. Concrete anchors MUST be used if
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 8
    , install reversing CAUTION sensors when: • The radio is used. • The 3-button control station is out of sight of the door. • Or ANY other control (automatic or manual) is used. Reversing devices are recommended for ALL installations. WIRING For wiring of your sensing device to the operator, refer to
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 9
    of the door even with top of door opening. 4. Repeat steps 1 and 2 for close cycle. Adjust close limit nut so that the limit switch is engaged as door fully seats at the floor. WARNING To avoid SERIOUS personal INJURY or DEATH from electrocution, disconnect electric power BEFORE manually moving
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 10
    open. TO RECONNECT DOOR ARM TO TROLLEY Pull the emergency release handle toward the operator at an angle so that the trolley release arm is horizontal. The trolley will reconnect on the next UP or DOWN operation, either manually or by using the door control or remote. Emergency Disconnect Door
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 11
    move the door smoothly through a complete open/close cycle, but to allow the reducer to slip if the door is obstructed. 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
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 12
    operator or in the area near the operator MUST NOT be performed until disconnecting the electrical power and locking-out the power via the operator power switch the electrical box enclosure marked with the label. All power and control wiring must be run in separate conduit in accordance with local
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 13
    On all models a radio terminal bracket marked R1 R2 R3 is located on the outside of the electrical enclosure. In B2 mode the operator will then open a fully closed door, close a fully open door, stop an opening door, and reverse a closing door from the radio remote. In TS control wiring the
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 14
    STANDARD POWER & CONTROL CONNECTION DIAGRAMS Radio Control (24V DC only) CPS-L & CPS-LN4 R3 R2 R1 Sensing Edge Timer Defeat Switch Maintenance Alert LED (RD) (WH) Open Close Stop Open/Close Single Button OPEN CLOSE STOP 3-Button Station Remove Jumper To Install External Interlock Single
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 15
    right hand models and all GH and J models. CPS-L & CPS-LN4 Sensing Edge Hoist Interlock When Present TMR DEF SWITCH (YE) (BL) Maintenance Alert LED (RD) (WH) Open Close Stop OPEN CLOSE STOP 3-Button Station Open/Close Single Button Remove Jumper To Install External Door Interlock MAS
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 16
    right hand models and all GH and J models. Sensing Edge CPS-L & CPS-LN4 Hoist Interlock When Present TMR DEF SWITCH (YE) (BL) Maintenance Alert LED (RD) (WH) Open Close Stop OPEN CLOSE STOP 3-Button Station Open/Close Single Button Remove Jumper To Install External Door Interlock MAS
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 17
    MAS 10 EYES 9 EDGE 8 OPEN 7 CLOSE 6 STOP 5 CMN 4 3 2 SBC 1 F1 C54 C71 C78 ® Motor Direction Jumper Single Phase and Three Phase Jumper Maintenance Alert System Button for Programming Open Button Close Button Stop Button Control Wiring Terminal Block Wiring Type Selector Dial Failsafe Switch 17
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 18
    have door control at the electrical box. Either the stop control or a jumper must be wired between terminals 4 and 5 for the on board push buttons to function. NOTE: Refer to logic board illustration on page 15 for all component locations. Before programming the logic board, set the operators open
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 19
    and 3-Button Remote Controls. (NOTE: Requires self monitoring photo eyes to operate.) FSTS Momentary button contact for open, close and stop programming. Radio controls allowing open, close and stop. User set mid stop. User set Timer To Close. The single button station opens the door to the full
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 20
    button remote control is not supported with D1 and E2 wiring modes. SINGLE BUTTON REMOTE CONTROL PROGRAMMED AS A SINGLE BUTTON CONTROL (SBC) This function programs a remote control as a wireless single button control. This function will work in the following modes: In B2 mode, operation is OPEN/STOP
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 21
    PROGRAMMING 3-BUTTON REMOTE CONTROLS Your 315MHz Security✚®or dip switch remote control can be programmed to operate as a 3-button wireless control station: the large button will open the door, the middle button will close the door, and the third button will stop the door's movement. You may set up
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 22
    . Turn to page 28 to diagnose problem. Example: A door is installed with 30,000 cycle springs and has an annual service contract. To set the MAS, turn selector dial to PROGRAM, press MAS button, press the STOP button to clear the memory and then press the OPEN button 6 times (30,000 cycles) and
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 23
    or FSTS. TO PROGRAM MANUALLY (Method 1): SELECTOR DIAL 1. Close the door. 2. Turn the selector dial to PROGRAM. 3. Press the TIMER button on the logic board. AVERTISSEMENT 4. Press the STOP button to clear the timer. 5. Press the OPEN button for every 5 seconds the operator should wait before
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 24
    close only one time for safety purposes. SELECTOR DIAL Operation will vary depending on wiring type CAR DEALER MODE Feature: The car dealer mode uses the SBC (Single Button Control input) to bring the door from a closed position to the programmed Open Mid-Stop position and keep it at that location
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 25
    Reversal System not applicable on models GH and GT.) NOTE: This feature is automatically learned and does not require programming. LOSE OPEN RPM Sensor Logic Board MAXIMUM RUN TIMER (MRT) Feature: The operator can learn the time it takes to open or close the door plus an additional 10 seconds
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 26
    Mode is deactivated g. Restoring the operator to Factory Default will also disable this feature. The remote controls will still be learned. NOTE: Life of Operator feature (Odometer/Cycle Counter) and programmed remote controls are not cleared. SELECTOR DIAL Operation will vary depending on wiring
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 27
    required. Belt Check condition and tension. Fasteners Check and tighten as required. Manual Disconnect Check and operate. Bearings and Shafts Check for wear and lubricate. Safety Reversing Sensors Check alignment and fuWnctiAonaRlityN. ING WARNING To avoid SERIOUS PERSONAL INJURY or DEATH
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 28
    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 Power Stop Open COLOR Green Green Yellow Close Yellow
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 29
    TROUBLESHOOTING GUIDE FAULT THE OPERATOR WILL NOT RESPOND TO ANY COMMANDS POWER LED IS NOT ON POSSIBLE CAUSE FIX a) No power supply b) Operator control station is wired wrong c) Interlock switch is activated d) Dial still in programming or diagnostic mode e) Motor is malfunctioning f) Motor
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 30
    , or verify RPM sensor connection or replace RPM sensor. NOTE: To relearn the RPM sensor, move the door with a constant pressure command. The door will stop once relearned and normal operation will resume. First check Operator for any faults (i.e., Bad Limit switch), manually learn Max Run Timer
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 31
    POSSIBLE PROBLEM CORRECTION Quick Flash 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 20). No LED activity Cannot recognize remote A weak signal caused by a discharged battery
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 32
    ELECTRICAL BOX 6 5 9 10 4 7 2 3 K2 (K72-12515-1) 11 8 1 K1 (K72-10047-1) 32
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 33
    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. SERVICE KITS ITEM K1 K2 PART # K72-10047-1 K72-12515-1 DESCRIPTION Limit shaft kit Complete with: Limit shaft, limit nuts, limit bearings, limit
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 34
    MODEL GT K5 (K72-18989) 12 14 9 10 13 8 5 K3 (K72-12859) 3 4 K6 (K75-12870) K1 (71-B120) (71-B240) (71-B575) 11 15 2 1 K2 (K75-10177) 7 6 K4 (K75-12858) 34
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 35
    REPAIR PARTS KITS - MODEL GT SERVICE KITS ITEM PART # DESCRIPTION K1 71-B120 71-B240 71-B575 Brake kit - 115 Volt models Brake kit - 230-460 Volt models Brake kit - 575 Volt models Complete with: Brake hub kit, brake solenoid cover, brake release lever, brake disk, spring cup, studs,
  • LiftMaster GT | GT-LOGIC 3 Manual - Page 36
    added to ensure proper installation and operation with the Commercial Door Operator. 3 BUTTON STATION OR 3 POSITION OPEN / CLOSE 14 B2, T, TS & FSTS MODE ONLY See note 2. Open Open Close Close RADIO CONTROLS OPEN / CLOSE R1 R2 R3 D1 & E2 MODE ONLY See note 2. Any Commercial Type LiftMaster
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GT
INDUSTRIAL DUTY COMMERCIAL DOOR OPERATOR
ogic
L
3
NOT FOR RESIDENTIAL USE
A
L
E
R
T
S
Y
S
T
E
M
M
A
I
N
T
E
N
A
N
C
E
PATENT PENDING
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
of
cycles/months is reached or when the
operator requires immediate service.
This Operator Features
the Enhanced
Radio Receiver
Built on Board
Serial # Box
Installation Date
2
YEAR
WARRANTY
315MHz
Visit www
.LiftMaster
.com
to locate a professional installing dealer in your area.
INTENDED FOR PROFESSIONAL INSTALLATION ONLY
A SAFETY DEVICE IS HIGHLY RECOMMENDED
O W N E R ’ S M A N U A L