LiftMaster GT

Features


The Model GT is a heavy industrial-duty trolley door opener, as manufactured by The Chamberlain Group, Inc. and is for use on standard lift sectional doors. It is rated for 25 cycles per hour constant high loading. In excess of 90 cycles/day. Radio receiver 



Features:

  • Trolley type door opener

  • Voltage/phase : 115 and 230V/1 ph, 208,460 and 575 V/3 ph

                           Class 2 Circuit with 40 VA transformer

 

  • Horse power : available in ½, ¾ and 1 HP. 

  • Additional headroom required: 4"

 

  • Required depth : Door height + 48''

 

  • Built-in 3-channel, 315MHz radio receiver accepts up to 23 Security+® or unlimited DIP switch remotes. 3-button remotes can be programmed for OPEN/CLOSE/STOP operation

 

  • Maintenance Alert System™ establishes a routine maintenance schedule based on the number of cycles or calendar date. Includes self-diagnostic system that allows you to troubleshoot up to eight different error codes

 

  • Timer-to-Close allows programming in 1-sec or 15-sec increments and permits timed automatic door closure after the door reaches the full open position; requires monitored photo sensors, either CPS-U, CPS-UN4, or a 4-wire edge, using the CPS-EI edge interface

 

  • Thermal motor overload can be easily reset from the 3-button floor level control station

  • Continuous-duty high-starting torque motor with instant reverse.

 

  • Removable hinged electrical box cover.

 

  • Quiet-gliding rail spacers.

 

  • Single- or three-phase, capacitor start on single-phase.

 

  • Motor is removable without affecting limit switch settings.

 

  • All operators are factory preset to C2 wiring, providing momentary contact to open and stop, with constant contact to close. Monitored entrapment protection, using approved photo sensors CPS-U are standard. All other wiring types, B2, T, TS and FSTS, can be selected with the selection of a switch. LiftMaster CPS-UN4 and CPS-RPEN4 photo sensors or a monitored 4-wire sensing edge (via a CPS-EI Edge Interface Card) are optional. Logic 4.0 door openers can only accept UL-approved LiftMaster CPS-U, CPS-UN4, CPS-RPEN4 or CPS-EI monitored entrapment protection devices.

 

 

  • 10:1 first stage using heavy-duty gears running in oil bath; cast iron housing; #41 chain second stage; #41 chain on trolley.

  • Sealed roller bearing in gear reducer.

 

  • Heavy-duty solenoid-actuated brake.

 

  • Adjustable friction clutch helps protect against major damage to door and operator should the door meet an obstruction.

  • Spring-loaded disconnect for emergency manual operation.

  • Motor overload protection.

 

  • High-strength dual L-rail track with exclusive nylon quiet-gliding chain guides on rail spacers for quiet, smooth operation.

  •  
  • 1.5 second delay-on-reverse circuit to prevent premature door and operator wear.

 

  • The Timer-to-Close automatically closes the door - programmable in 1-second or 15-second increments.

 

  • The mid-stop stops the door at programmable mid-stop during open travel.

 

  • The Maximum Run Timer signals the door to reverse or stop if closing time exceeds maximum by more than 10 seconds.

 

  • Maintenance alert system (5 000 to 10 000 cycles).

 

  • UL and CSA listed.

 

  • 2-year warranty.

Your security, our priority!


CPS® Commercial Protector System® 


The presence of primary entrapment protection is standard CPS-U for all modes. Primary entrapment protection devices are monitored continuously to insure safe operation of the door and limit door opener functionality should an obstruction be detected or in the event of device failure. Optional LiftMaster Monitored Entrapment Protection devices, CPS-UN4, CPS-RPEN4 and CPS-EI, are designed to work in conjunction with LiftMaster commercial door openers to provide enhanced door safety and a broad range of modes and features to end users. Either monitored photo-sensor or monitored 4-wire sensing edge (in conjunction with the CPS-EI Edge Interface) protection may be selected, but one must be detected by the LiftMaster Logic 4.0 or Medium-Duty Logic circuit board in order to unlock full functionality.  



 

 

 Warning

Garage doors and garage door openers can be dangerous if not installed and verifed by a professionnal and not used properly . Chidlren must be supervised by an adult when they are inside or in proximity of the garage.

 

Included with the LiftMaster GT door opener



  • LiftMaster GT door opener


    LiftMaster GT door opener


  • 3-Button control station with LED


  • Radio receiver & external radio control terminal


  • Chain pack (according to door height)


  • Installation hardware


  • Rail according to door height

Optional accessories for the LiftMaster GT door opener :


 

Single-Button Remote Control 315MHz (371LM)


Our basic single-button remote control isn't so basic. It can operate a single garage door or gate, or turn your garage door opener lights on/off. You can also use it as an extra remote control to turn on lights or small appliances inside your home – all from the comfort of your car.Get additional access and security with our single-button remote control. Use it to open and close a single garage door or gate, or as an extra remote to turn interior lights and small appliances on inside your home.


LiftMaster Single-Button Remote Control for garage door openers 


2-Button Remote Control 315MHz (372LM)


Our basic 2-button remote control isn't so basic. It can operate up to 2 garage doors or gates, and/or turn your garage door opener lights on/off. You can also use it as an extra remote control to turn on lights or small appliances inside your home – all from the comfort of your carGet additional access and security with our 2-button remote control. Use it to open and close 2 garage doors or gates, or as an extra remote to turn interior lights and small appliances on inside your home.


LiftMaster 2-Button Remote Control for garage door openers


3-Button Remote Control 315MHz (373LM)


Our basic 3-button remote control isn't so basic. It can operate up to 3 garage doors or gates, and/or turn your garage door opener lights on/off. You can also use it as an extra remote control to turn on lights or small appliances inside your home – all from the comfort of your car.Get additional access and security with our 3-button remote control. Use it to open and close 3 garage doors or gates, or as an extra remote to turn interior lights and small appliances on inside your home.


LiftMaster 3-Button Remote Control for garage door openers


Mini 3-Button Remote Control 315MHz (890MAX)


Are you always on the go? Our mini 3-button remote control is a miniature version of our 3-button remote control, and just as powerful. It can open and close 3 garage doors or gates, turn opener lights on/off, and/or turn on lights and small appliances in your home. And the best part is that it can fit almost anywhere – in your purse, your pocket, or even on your keychain.Get control on the go. Our mini 3-button remote control is small enough to fit in your purse, in your pocket, or on your keychain, and can operate 3 garage door openers or gates, or lights and small appliances.


890MAX


Wireless Keyless Entry System 315MHz (377LM)


Access your garage and home without the use of a key or a remote control. The LiftMaster® Security+® Wireless Keyless Entry can open your garage door using a code that you program directly into the unit. There is also a temporary password option that enables family, friends, or service people to enter the garage/your home without giving them your personal code.

 

• Backlit keypad which makes numbers easy to see, even in the dark.

 

• One-button-to-close feature makes it easier than ever to close your garage door.

 

LiftMaster Wireless Keyless Entry System for garage door openers 

 

Commercial Protector System® (CPS-UN4)

 

 CPS-RPEN4 Retro-Reflective Photo Eye makes installs faster and simpler, by only having wiring on one side of door and Reflector on the other. Range of 50 feet in most cases. NEMA-4 rated. 


Sensing Edge

  
If CPS-U / CPS-UN4 photo sensors are present, a non-monitored 2-wire electric edge or pneumatic (air hose) edge may be used as ancillary protection devices.
 
 

Vehicule detection system


(65-8202) Pneumatic Sensing Edge Kit with exterior air switch, 2-wire coil cord and 14' air hose.

(65-5202) Pneumatic Sensing Edge Kit with exterior air switch, 2-wire  take-up reel (20' extended) and 14' air hose. 

 

  

Antenna Extension Kit


The antenna extension kit can be used with EXT-ANT for maximum radio receiver range.

86LM (15')

86LMT(25')

 



 

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