Chamberlain T Operation & User’s Manual

THIS PRODUCT IS TO BE INSTALLED AND SERVICED BY A TRAINED DOOR SYSTEMS TECHNICIAN ONLY. Operators are shipped in C2 operating mode. Visit www.liftmaster.com to locate a professional installing dealer in your area. CONTACT INFORMATION ® Logic 5.0 Commercial Door Operator USER’S GUIDE Models T, APT, H, J, HJ, GH, a ...

Up to 25 cycles/hr. at peak periods. H, DHJ, & SD Up to 80-90 cycles/day. HEAVY DUTY: Models GT, GH, & GSD 25 cycles/hr. constant high loading in excess of 90 cycles/day. Congratulations on purchasing a quality LiftMaster Logic 5.0 Commercial Door Operator. The Logic 5.0 operator provides ever ...

PROGRAMMING Before programming the logic board, set the operator’s 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. The abbreviations are Open Limit Switch (OLS), Close Limit Switch (CLS) and Sensing Limit Switch (SLS). Whe ...

Read the descriptions of the different wiring types to determine which setting will be correct for each application. Once the wiring type is determined, set the selector dial accordingly. SELECTOR DIAL IMPORTANT NOTES: 1. External interlocks may be used with all functional modes. 2. Auxiliary devices are any devices that hav ...

• Install a LiftMaster Monitored Entrapment Protection (LMEP) Device. • NEVER permit children to operate or play with door contr ...

button on the logic board (the RADIO LED will light). 2. To program the MyQ device, place the MyQ device into learn mode (see instructions for the specific MyQ device). 3. When the programming is complete the RADIO LED will turn off. NOTE: If the programming is not completed within 3 ...

depending on wiring type SELECTOR DIAL Operation will vary depending on wiring type SELECTOR DIAL To prevent possible SEVERE INJURY or DEATH: • Install a LiftMaster Monitored Entrapment Protection (LMEP) Device. • NEVER permit children to operate or play with door control push buttons or remote controls. • Activate door ONLY wh ...

door or arm: • DO NOT stand under the door arm when pulling the emergency release. • If possible, use emergency release handle to disengage trolley ONLY when door is CLOSED. Weak or broken springs or unbalanced door could result in an open door falling rapidly and/or unexpectedly. • NEVER ...

case of emergency or power failure. Refer to the appropriate instructions below for your model operator. MODEL HJ This operator includes both a floor level disconnect chain (sash chain) to disconnect the door from the door operator and a disconnect chain with manual hoist to ele ...

1. Press OPEN button. (The door should move in the open direction.) 2. Press STOP button. (The door should stop.) 3. Press and hold the CLOSE button. (The door should move in the close direction.) 4. Release CLOSE button. Door should stop if in C2 or D1 mode. Door will reverse to full open position in E2 mode. The ...