User manual CHAMBERLAIN 3780

[. . . ] The disconnect chain may be locked in position by slipping the end through the keyhole of the chain keeper mounted on the wall. Operate the door in the desired direction by pulling on one side or the other of the continuous loop hoist chain (large chain). The disconnect chain must be released from the chain keeper before the door will operate again electrically. 2 Place door sprocket on the door shaft. 3 Place drive sprocket on the appropriate side of the operator. [. . . ] Do not insert the key at this time. 4 Wrap chain drive around door sprocket and join roller chain ends together with master link. b For manual operation, pull the floor level disconnect chain and secure in the Optimum Distance 12-15" Optimum Distance 12-15" 5 Raise operator to approximate mounting position and position chain over operator sprocket. 6 Raise or lower operator until the chain is taut (not tight). Make sure the operator output shaft is parallel to door shaft and sprockets are aligned. When in position, secure the operator to wall or mounting bracket. disengaged position by slipping the end through the keyhole bracket mounted on the wall. If an emergency egress device is used, pull handle to disengage operator from door. The door may now be pushed up or pulled down manually. Release the disconnect chain to operate the door again electrically. 7 Align sprockets, insert key into keyway, and secure. 8 Place hand chain around hand chain wheel. 9 Run the power wires through the power wiring conduit hole in the electrical box enclosure. Connect the earth ground to the ground screw in the electrical box enclosure. Follow ALL national and local electrical codes. a Electrical Interlock with Hoist Turn off power to the operator BEFORE manually operating your door. Chain Keeper (with pad locking provisions) 10 Adjust the limit switches to open and close door properly. The on board LED will flash back the programmed settings. The OPEN LED will flash once for every 5, 000 cycles. The CLOSE LED will flash once for every 3 months. MAS D21 OPEN CLOSE STOP D20 4. Press and release the STOP button to clear the timer. STOP D13 2. Turn selector to PROG. OPEN D20 D21 D13 5. Press and release the OPEN button once for every 1 seconds. Press and release the CLOSE button once for every 15 seconds. Example: Push CLOSE + Push OPEN + Push OPEN = 17 seconds total (15 seconds) (1 second) (1 second) CLOSE STOP 3. Press and release the MID button. D21 B2 PROG MRT D13 MID TIMER OPEN CLOSE STOP D20 4. Press and release the MAS button. OPEN CLOSE STOP D20 8. Turn the selector dial back to the desired wiring type. D21 T E2 D1 TS FSTS DIAG C2 B2 OPTN PROG 6. [. . . ] Turn the selector dial back to the desired wiring type. D21 T E2 D1 TS FSTS DIAG C2 B2 OPTN PROG 6. Press and release the TIMER button to complete programming. MRT MID TIMER The OPEN LED will flash once for every 1 sec. The CLOSE LED will flash once for every 15 sec. [. . . ]