LiftMaster T T-LOGIC 3 Manual - Page 18
Programming, Logic Control Pushbuttons Open, Close, Stop, Determine And Set Wiring Type
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PROGRAMMING LOGIC CONTROL PUSHBUTTONS OPEN, CLOSE, STOP Open, Close and Stop buttons are mounted directly on the logic board. Thus, making it easy to program as well as 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 17 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. The abbreviations are Open Limit Switch (OLS), Close Limit Switch (CLS) and Sensing Limit Switch (SLS). Refer to page 8 for limit switch adjustment instructions. SELECTOR DIAL FAILSAFE SWITCH DETERMINE AND SET WIRING TYPE Read the descriptions of the different wiring types to determine which setting will be correct for each application. SET THE SELECTOR DIAL TO THE DESIRED WIRING MODE: NOTE: For failsafe wiring you must also set failsafe switch to FAILSAFE. TYPE C2 Momentary contact to open and stop with constant pressure to close, open override plus wiring for sensing device to reverse. Programmable mid stop available with this wiring type. Compatible with 3-Button Station and 1-Button Station. B2 Momentary contact to open, close and stop, plus wiring for sensing device to reverse and auxiliary devices to open and close with open override. Programmable mid stop available with this wiring type. Compatible with 3-Button Station, 1-Button Station and 1- and 3-Button Remote Controls. D1 Constant pressure to open and close with wiring for sensing device to stop. Compatible with 2-Button Station. E2 Momentary contact to open with override and constant pressure to close. Release of close button will cause door to reverse (roll-back feature) plus wiring for sensing device to reverse. Compatible with 3-Button Station. 18