Chamberlain GT Owner's Manual
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Chamberlain GT Owner's Manual

Chamberlain GT Owner's Manual

Logic control (ver. 2.0) industrial duty door operator
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Download this manual See also: Owner's Manual, User Manual
OWNER'S MANUAL
INDUSTRIAL DUTY DOOR OPERATOR
2 YEAR WARRANTY
Serial #
(located on electrical box cover)
Installation Date
Wiring Type
MODEL GT
LOGIC CONTROL (VER. 2.0)
L
F A C T O R Y S E T
C2 Wiring
See pages 14 and 15
for other wiring
configurations
PATENT PENDING
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.
NOT FOR RESIDENTIAL USE
41B6
LISTED DOOR OPERATOR
TM

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Summary of Contents for Chamberlain GT

  • Page 1 OWNER'S MANUAL MODEL GT F A C T O R Y S E T C2 Wiring LOGIC CONTROL (VER. 2.0) See pages 14 and 15 INDUSTRIAL DUTY DOOR OPERATOR for other wiring configurations PATENT PENDING The Maintenance Alert System allows the installer to set an internal Maintenance Cycle Counter.

  • Page 2: Table Of Contents

    Before attempting to install, operate or maintain the operator, you must read and fully under- stand this manual and follow all safety instructions. These instructions are intended to highlight certain safety related issues. These instruc- tions are not intended to be comprehensive. Because each application is unique, it is the responsibility of the purchaser, designer, installer and end user to ensure that the total door system is safe for its intended use.

  • Page 3: Motor Specification

    SPECIFICATIONS MOTOR ELECTRICAL TYPE: .........Continuous duty TRANSFORMER:.....24VAC HORSEPOWER:....1/2, 3/4, 1 & 1-1/2 Hp CONTROL STATION: ..NEMA 1 three button station. OPEN/CLOSE/STOP W/ LED WIRING TYPE: ....C2 (Factory Shipped) SPEED:.......1725 RPM Momentary contact to OPEN & STOP, constant pres- sure to CLOSE, open override plus wiring for sensing VOLTAGE: ......115, 208-230 Single phase device to reverse.

  • Page 4: Track Assembly

    OPERATOR PREPARATION 4. Connect the track to the powerhead by fastening WARNING two 3/8"-16 x 3/4" bolts and nuts through the frame WARNING and the end holes in track. Tighten all four bolts to secure the track to the powerhead. KEEP DOOR BALANCED.

  • Page 5: Header Bracket

    INSTALLATION INSTRUCTIONS IMPORTANT NOTE: Before the operator is installed, be sure the door has been properly aligned and is working smoothly. Although each installation will vary due to particular building characteristics, refer to the following gen- eral procedures to install the operator. MOUNT HEADER BRACKET MOUNT OPERATOR The trolley operator is generally mounted over the...

  • Page 6: Operator Support

    INSTALLATION INSTRUCTIONS OPERATOR SUPPORT STRAIGHT ARM ATTACHMENT 1. The illustration below shows a typical method of 1. Fully close the door and move the trolley slider to hanging the operator from the ceiling. Each installa- within (2”) two inches of the front idler. tion may vary, but in all cases side braces should be used for additional strength.

  • Page 7: Entrapment Protection Accessories

    WIRING: ty device to your application, please contact your local LiftMaster Authorized Dealer. For wiring of your sensing device to the operator, refer to the wiring diagram supplied on pages 11 - 13.

  • Page 8: Safety Warnings

    Failure to do so may result in severe injury to persons and/or damage to operator. The operator electrical box is only to be accessed by trained “LIFTMASTER” technicians. If service is required contact your local LIFTMASTER dealer.

  • Page 9: Power & Control Wiring

    On all models with B2 control wiring, a terminal bracket marked R1 R2 R3 is located on the outside of the electri- cal 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, and reverse a closing door from the radio transmitter.

  • Page 10: Emergency Disconnect System

    BRAKE ADJUSTMENT Solenoid Brake System A solenoid brake is standard on GT operators. The brake is adjusted at the factory and should not need additional adjustment for the the life of the friction pad. Friction Pads Replace friction pads when necessary.

  • Page 11: Wiring Diagrams 1 Ph Wiring

    LOGIC CONTROL (VER. 2.0) 1 PHASE WIRING DIAGRAM 1837-1 230 VOLT MOTOR CONNECTION NOTE: 115 VOLT MOTOR CONNECTION CONTACTOR 1PH / 3 PH JUMPER SHOULD BE IN 1 PH POSITION. Note: 1) See Owner’s Manual for Dip Switch Functions and Programming Procedures 2) TO REVERSE MOTOR DIRECTION 115 VOLTS: ALWAYS EXCHANGE PURPLE &...

  • Page 12: Ph Wiring

    LOGIC CONTROL (VER. 2.0) 3 PHASE WIRING DIAGRAM 1837-3 380/460 VOLT MOTOR CONNECTION NOTE: CONTACTOR 1PH / 3 PH JUMPER 230 VOLT MOTOR CONNECTION SHOULD BE IN 3 PH POSITION. Notes: 1) See Owner’s Manual for Dip Switch Functions and Programming Procedures 2) TO REVERSE MOTOR DIRECTION: INTERCHANGE ANY 2 OF THE 3 POWER WIRES AT L1, L2 &...

  • Page 13: Ph Wiring W/Contactor

    LOGIC CONTROL (VER. 2.0) 1 PH WIRING DIAGRAM W/ CONTACTOR 1842-1 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 &...

  • Page 14: Wiring Type

    Refer to printed circuit board illustration on page 19 for all component locations. Before Programming the logic board, set the operators open and close limits. LEDs on the logic board are provided to assist setting the limits. As each limit is activated the corresponding LED will light up.
  • Page 15 See Self Monitoring Safety Device Options below. SELF MONITORING SAFETY DEVICE OPTIONS To use the operator in any of the Failsafe wiring modes, or Timer To Close wiring modes (TS, T, FSTS), a LiftMaster self monitoring safety device must be installed.

  • Page 16: Rpm Sensor

    The auxiliary reversing benefits of the RPM sensor are designed to 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.

  • Page 17: Maintenance Alert System

    STANDARD PROGRAMMING FEATURES CONT’D MAS (Maintenance Alert System) Press This To Get This Feature: An internal cycle counter will activate a flashing LED on the three- Adds 5,000 cycles to button control station when the preset number of cycles is reached. Setting this Maintenance Alert feature is optional.

  • Page 18: Timer To Close

    OPTIONAL PROGRAMMING FEATURES CONT’D Timer To Close Feature: Installer can set a timer to automatically close after a preset amount of time once all safety devices are unobstructed. TIMER TO CLOSE Benefits: Door will automatically close after being used. Extremely conven- ient where users may not be concerned with closing the door.

  • Page 19: Board Illustration

    LOGIC 2.0 PCB BOARD ILLUSTRATION (SEE PAGE 16) RPM LEARN BUTTON POWER WIRING TERMINAL BLOCK (SEE PAGES 8-9) CONTROL WIRING TERMINAL BLOCK (SEE PAGES 8-9) DIP SWITCH OPEN, CLOSE, STOP BUTTONS (SEE PAGES 8-9)

  • Page 20: Troubleshooting Guide

    TROUBLE SHOOTING TROUBLESHOOTING GUIDE SYMPTOM PROBABLE CAUSE RESOLUTION Each open command will open RPM sensor is not adjusted Reset the RPM sensor. Also the door about a foot and a half correctly. verify that the software is then stop, after reaching the open version 260 or better.
  • Page 21 TROUBLE SHOOTING STEP 2: To "unlearn" the photo eyes. The latest software automatically learns if direct connect photo eyes (CPS-L or CPS-LN4) are attached during the first open cycle of operation. If they are disconnected at some point after this, they must be unlearned. 1.

  • Page 22: Maintenance Schedule

    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...

  • Page 23: Electrical Box Parts

    ILLUSTRATED PARTS – ELECTRICAL BOX...
  • Page 24 REPAIR PARTS KITS – ELECTRICAL BOX LOGIC CONTROL (VER. 2.0) Below are replacement kits available for your operator. 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. Optional modifications and/or acces- sories included with your operator may add or remove certain components from these lists.

  • Page 25: Chassis Parts (J)

    ILLUSTRATED PARTS - MODEL GT...
  • 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 each kit may not be available.
  • Page 27 NOTES...

  • Page 28: Optional Control Wiring

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

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