User manual CHAMBERLAIN MHS QUICK START

[. . . ] Visit www. LiftMaster. com to locate a professional installing dealer in your area. Manual Operation 1a Right Hand Wall Mounted Operator 1b Bracket Shelf Mounted Operator MODEL MH These operators are equipped with a manual hoist. An electrical interlock will disable the electrical controls when the hoist is used. Turn off power to the operator BEFORE manually operating your door. Operator Mounting 1a Wall Mount: The operator should generally be installed below the door shaft, and as close to the door as possible. 1b Bracket Shelf Mounting: The operator may be mounted either above or below the door shaft. [. . . ] c Release the disconnect chain or reset the emergency egress device to operate the door again electronically. MODEL MHS This operator includes two methods of manual operation: 7 Align sprockets, insert key into keyway, and secure. 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 local electrical codes. a A disconnect sash chain for push-up/pull-down operation. Refer to Model MJ instructions above. 10 Run control wires through the control wiring conduit hole in the electrical box enclosure. Follow ALL local electrical codes. b A hoist engagement sash chain for manual hoist operation. This chain can be found on the 7 Align Sprockets clutch side of the operator. When operator is disconnected by the manual operation chain, hoist and electrical operation will not function. Be sure door sprocket is properly aligned with drive before securing to the shaft. 11 Adjust the limit switches to open and close door properly. Make sure the limit nuts are positioned between the limit switches before proceeding with adjustments. 12 Remove cotter pin from nut on the clutch shaft. Back off clutch nut until there is very little tension on the clutch spring. Tighten clutch nut gradually until there is just enough tension to permit the operator to move the door smoothly but to allow the clutch to slip if the door is obstructed. Reinstall cotter pin when finished. a Electrical Interlock with Hoist b Manual Disconnect Keyhole Bracket Turn off power to the operator BEFORE manually operating your door. 13 Troubleshooting instructions inside cover of operator. Chain Retaining Bracket (4' above floor) QuickStart A SAFETY DEVICE IS HIGHLY RECOMMENDED Push for the model MJ/MH/MHS door operator Medium Duty Logic This QuickStart is intended to highlight a typical installation. 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. Please consult the manual and/or a qualified technician for further information. Visit www. LiftMaster. com to locate a professional installing dealer in your area. Timer to Close Programming Timer to Close feature enables the operator to close the door after a preset time, adjustable from 5 to 60 seconds. [. . . ] All Rights Reserved Electrical Box Logic Board D7 U4 D6 D5 D4 014A1030 TP1 C9 C20 J4 C32 R25 STOP CLOSE OPEN 3-BUTTON REMOTE CONTROL TO OPERATE AS A WIRELESS 3-BUTTON CONTROL STATION NOTE: The feature will use 3 of the 20 memory channels in the operator. Press the desired button on the logic board Open (OPEN, CLOSE or STOP). Press and hold the desired button of the remote Stop control until LED flashes rapidly, then release. [. . . ]