LiftMaster GT GT LOGIC VERSION 2 Manual
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- LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 1
OWNER'S MANUAL MODEL GT LOGIC CONTROL (VER. 2.0) INDUSTRIAL DUTY DOOR OPERATOR LOGIC LCONTROL FACTORY SET C2 station will signal when the set number of cycles is reached or when the opener requires immediate service. 2 YEAR WARRANTY Serial # (located on electrical box cover) Installation Date - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 2
Instructions 9 Optional Control Mounting 9 Optional Control Wiring 28 Emergency Disconnect System 10 Torque Adjustment 10 BRAKE ADJUSTMENT Brake Parts 10 WIRING DIAGRAMS 1 PH Wiring 11 3 PH Wiring 12 1 PH Wiring w/Contactor 13 STANDARD PROGRAMMING Wiring Type 14 & 15 RPM Sensor 16 - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 3
-oil-bath speed reducer. OUTPUT SHAFT SPEED:.....64 R.P.M. DOOR SPEED 1 Foot per sec. 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 EYES: (Optional - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 4
shaft sprocket, and then to the takeup bolt on the carriage. 3. Using the other master link, attach the chain to the take-up bolt and tighten to the desired chain tension. 2. Using (2) 3/8"-16 x 1" bolts and lock side of operator is in back (away from door ). 2. Secure the operator in place by - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 5
Cotterpins Pivot shaft 2. Swing the operator to a horizontal position above the guide rails and temporarily secure with a suitable rope, chain, or support from the floor. Now open garage door slowly, being careful not to dislodge the temporary support. Using the door as a support, place a level - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 6
INSTALLATION INSTRUCTIONS OPERATOR SUPPORT 1. The illustration below shows a typical method of hanging the operator from the ceiling. Each installation may vary, but in all cases side braces should be used for additional strength. 2. For mounting of the support brace(s) to the powerhead, Four holes - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 7
limit nut so that actuator is engaged as door fully seats at the floor. OPEN Limit Switch WARNING TO AVOID SERIOUS PERSONAL INJURY OR DEATH FROM ELECTROCUTION, DISCONNECT ELECTRIC POWER BEFORE MANUALLY MOVING LIMIT NUTS. CAUTION If other problems persist, call our toll-free number for assistance - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 8
BE REWTURANERD NTOISNERGVICWE. ARNING WARNING WARNING TO AVOID DAMAGE TO DOOR AND OPERATOR, MAKE ALL DOOR LOCKS INOPERATIVE. SECURE LOCK(S) IN "OPEN" POSITION. IF THE DOOR LOCK NEEDS TO REMAIN FUNCTIONAL, INSTALL AN INTERLOCK SWITCH. CAUTION CAUTION WARNING WARNING DISCONNECT POWER AT THE FUSE BOX - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 9
On all models with B2 control wiring, a terminal bracket marked R1 R2 R3 is located on the outside of the electrical enclosure. Any commercial type LiftMaster brand receiver may be mounted to this bracket. The operator will then open a fully closed door, close a fully open door, stop an opening door - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 10
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 VERSION 2 Manual - Page 11
LOGIC CONTROL (VER. 2.0) 1 PHASE WIRING DIAGRAM 1837-1 230 VOLT MOTOR CONNECTION NOTE: CONTACTOR 1PH / 3 PH JUMPER SHOULD BE IN 1 PH POSITION. 115 VOLT MOTOR CONNECTION Note: 1) See Owner's Manual for Dip Switch Functions and Programming Procedures 2) TO REVERSE MOTOR DIRECTION 115 VOLTS: ALWAYS - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 12
LOGIC CONTROL (VER. 2.0) 3 PHASE WIRING DIAGRAM 1837-3 380/460 VOLT MOTOR CONNECTION NOTE: CONTACTOR 1PH / 3 PH JUMPER SHOULD BE IN 3 PH POSITION. 230 VOLT MOTOR CONNECTION Notes: 1) See Owner's Manual for Dip Switch Functions and Programming Procedures 2) TO REVERSE MOTOR DIRECTION: INTERCHANGE - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 13
LOGIC CONTROL (VER. 2.0) 1 PH WIRING DIAGRAM W/ CONTACTOR1842-1 NOTE: CONTACTOR 1PH / 3 PH JUMPER SHOULD BE IN 1 PH POSITION. 115 VOLT MOTOR CONNECTION Note: 1) See Owner's Manual for Dip Switch Functions and Programming Procedures 2) TO REVERSE MOTOR DIRECTION 115 & 230 VOLTS: INTERCHANGE PURPLE & - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 14
(CLS) and Sensing Limit Switch (SLS). Refer to page 7 for limit switch adjustment instructions. Logic Control Pushbuttons Open, Close, Stop Open, Close and Stop buttons are mounted directly on the Logic Control board. This will provide easy programming ability and door control at the electrical box - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 15
WIRING TYPE PROGRAM SETTINGS CONT'D TYPE STATION T 3 Button, 1 Button, 1 & 3 Button Radio Control ON Function: Momentary contact to open, close, and stop, with open override and ON Timer To Close. Every device that causes the door to open, except a reversing device, activates the Timer To - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 16
prevent excessive door and operator damage upon hitting a solid obstruction. LiftMaster recommends the use of safety devices for primary safety protection. To Program: 1. The open and close limits must be set before setting the RPM sensor. 2. Start with the door closed and turn all dip-switches to - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 17
will reduce unwanted airflow MIDSTOP through the doorway. The door will not cycle fully providing longer door and operator life. 1 2 3 4 OFF To Program: 1. Close the door. 2. Set dip switches to "set mid stop". 3. Press open (the door will begin moving) 4. Press stop when the desired mid - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 18
Press This To Get This To Program: 1. Close the door. 2. Set dip switches to "Set Timer To Close" 3. Press "close" to zero out the timer. 4. Press "open" for every 5 seconds seconds the operator should wait before attempting to close the door. Example: The door is supposed to close 30 seconds - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 19
LOGIC 2.0 PCB BOARD ILLUSTRATION RPM LEARN BUTTON (SEE PAGE 16) POWER WIRING TERMINAL BLOCK (SEE PAGES 8-9) DIP SWITCH (SEE PAGES 8-9) CONTROL WIRING TERMINAL BLOCK (SEE PAGES 8-9) OPEN, CLOSE, STOP BUTTONS 19 - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 20
a) Operator control station is wired wrong b) Motor is malfunctioning RESOLUTION Reset the RPM sensor. Also verify that the software is version 260 or better. Order replacement chips from Parts and Service. Reset the Maximum Run Timer Reset the mid-stop by programming it to be at the open limit - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 21
not lit call for more assistance. 2. Check your control station: A. Place the operator into diagnostic mode (all DIP switches ON) B. Watch the LEDs as each control button is pressed. The LEDs should light with each Open, Close, and Single Button Control command. The Stop should turn off the LED - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 22
AND SERVICE INFORMATION ARE AVAILABLE 6 DAYS A WEEK CALL OUR TOLL FREE NUMBER - 1-800-528-2806 MONDAY THROUGH FRIDAY 5 AM TO 6 PM (MST) SATURDAY 7 AM TO 3:30 PM (MST) WWW.LIFTMASTER.COM WHEN ORDERING REPAIR PARTS PLEASE SUPPLY THE FOLLOWING INFORMATION: PART NUMBER DESCRIPTION MODEL NUMBER - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 23
ILLUSTRATED PARTS - ELECTRICAL BOX S6 S5 S2 11 S7 S1 S8 S4 S9 5 S3 L3 L1 6 L5 7 L8 L6 L2 L9 L8 2 10 1 3 23 L7 4 8 9 L2 L6 L4 4 - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 24
to the model number of your operator. For example: GT5011L (Operator) = K-GT5011L (Electrical box replacement kit) * Electrical Box Kits include parts from K72-12418 and K75-12514 Electrical Box Sub-Assemblies K72-12418 Limit Shaft Assembly K75-12514 Limit Switch Assembly Motor Kits K20 - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 25
ILLUSTRATED PARTS - MODEL GT 25 S4 D8 D5 S6 D2 S5 D7 D9 D10 7 2 S1 S2 S3 D4 D1 S7 H4 H6 H8 H3 H5 10 DRIVE CHAIN TRACK - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 26
REPAIR PARTS KITS - MODEL GT LOGIC CONTROL (VER. 2.0) Refer to the parts lists below for replacement kits available for your operator. If optional modifications and/or accessories are included with your operator, certain components may be added or removed from these lists. Individual components of - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 27
NOTES 27 - LiftMaster GT | GT LOGIC VERSION 2 Manual - Page 28
Close See Note 1 BUTTON STATION OR ANY AUXILIARY DEVICE OPEN / CLOSE 14 B2, T, TS & FSTS MODE ONLY See Note Open Open D1 & E2 MODE ONLY Close Close RADIO CONTROLS OPEN / CLOSE R1 R2 R3 See Note Any Commercial Type LiftMaster Brand Receiver SENSING DEVICE TO REVERSE OR STOP Note
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OWNER'S MANUAL
MODEL GT
LOGIC CONTROL (VER. 2.0)
INDUSTRIAL DUTY DOOR OPERATOR
LOGIC CONTROL
L
C2 Wiring
FACTORY SET
See pages 14 and 15
for other wiring
configurations
Serial #
(located on electrical box cover)
Installation Date
Wiring Type
2
YEAR
WARRANTY
The Maintenance Alert System
allows the installer to set an internal
Maintenance Cycle Counter.
An LED
on the 3-button station will signal when
the set number of cycles is reached or
when the opener requires immediate
service.
TM
PATENT PENDING
NOT FOR RESIDENTIAL USE
LISTED
DOOR
OPERATOR
41B6