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Built on Board INSTA LLA TI O N O NLY INSTALLA TIO N ONL Y Visit www.LiftMaster.com to locate a professional installing dealer in your area. 2 Y E A R W A R R A N T Y 315MHz...
Intended for use on vertical or high-lift sectional doors, or rolling door products. The MHS operator is recommended for rolling sheet doors. Not recommended for use on a standard lift sectional door. Maximum Door Area (SQ. FT) 20 ga.
Before beginning your installation check that all components were provided. ITEM DESCRIPTION Operator Warning labels 3-Button station C L O Hoist hand chain (models MH and MHS only) S T O Door/Operator chain Door sprocket NOT SHOWN Installation Manual Quickstart Guide...
A S S E M B L Y INSTALL OPERATOR DRIVE SPROCKET Left hand assembly Right hand assembly Operator Operator Drive Shaft Drive Shaft Operator Drive Sprocket Operator Drive Sprocket T Y P I C A L I N S T A L L A T I O N DETERMINE MOUNTING LOCATION FOR OPERATOR The operator may be mounted on the wall, shelf or bracket (not provided, see accessories or door manufacturer).
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T Y P I C A L I N S T A L L A T I O N NOTE: All illustrations will depict a typical right hand wall mount installation. PLACE DOOR SPROCKET ON DOOR SHAFT PLACE OPERATOR DOOR SPROCKET ON OPERATOR Operator Door Shaft Drive Shaft...
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T Y P I C A L I N S T A L L A T I O N POSITION OPERATOR Adjust operator until chain is taut (not tight). If chain is too tight, it may cause damage to operator. Set Screw Door Sprocket Door...
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Operator INSTALL MANUAL DISCONNECT SYSTEMS The MHS operator includes both a floor level disconnect chain to disconnect the door from the door operator and a disconnect chain with manual hoist to electrically disable the operator controls. Secure chain retaining bracket to wall...
WARNING T Y P I C A L I N S T A L L A T I O N WARNING WARNING To reduce the risk of SEVERE INJURY or DEATH: • ALL electrical connections MUST be made by a qualified individual.
WARNING I N S T A L L A T I O N INSTALL 3-BUTTON CONTROL STATION CAUTION CAUTION To prevent possible SEVERE INJURY or DEATH, install reversing sensors when: Select location for 3-button control station • The radio is used. •...
I N S T A L L A T I O N SETUP RADIO ANTENNA Option A Option B Locate the wire antenna on the outside of the electrical box. Locate the wire antenna on the outside of the electrical box. Cut the wire tie closest to the edge of the electrical box.
WARNING WARNING A D J U S T M E N T CAUTION WARNING WARNING ADJUST THE LIMITS To avoid SERIOUS personal INJURY or DEATH from electrocution, disconnect electric power BEFORE moving limit nuts or adjusting clutch nut. Depress retaining plate Adjust OPEN limit Adjust CLOSE limit Retaining Plate...
O P T I O N A L S A F E T Y D E V I C E C O N F I G U R A T I O N S To protect against accidental entrapment or injury from a moving door it is recommended that a safety device (sensing edge or photo eyes) be installed.
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O P T I O N A L S A F E T Y D E V I C E C O N F I G U R A T I O N S CPS Photo-Eyes (White) (White/Black) NOTE: When installing model CPS-LN4, connect the brown wire to terminal 1 and the blue wire to terminal 2.
L O G I C B O A R D L A Y O U T ^^^^ AUX ANT AUX ANT LEARN STOP CLOSE OPEN LMEP1 LMEP2 COM INTRLK STOP CLOSE OPEN ITEM DESCRIPTION FUNCTION Open Button Open Door Close Button Close Door Stop Button Stop Door...
WARNING B A S I C P R O G R A M M I N G DETERMINE THE WIRING TYPE CAUTION CAUTION The functionality of this operator is based on the wiring type. The operator is shipped from the factory in standard C2 wiring type To prevent possible SEVERE INJURY or DEATH, install (factory default).
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B A S I C P R O G R A M M I N G B2 WIRING TYPE WITHOUT MONITORED SAFETY DEVICE B2 WIRING TYPE WITH MONITORED SAFETY DEVICE Requires a non-monitored safety device. • Momentary contact to open, close and stop. •...
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SINGLE BUTTON REMOTE CONTROL open limit after a preset time, adjustable from 5 to 60 seconds. Built in 315 MHz radio receiver permits as many as 20 Requires LiftMaster monitored safety device. Security✚ ® remote controls or dip switch remote controls in any combination.
TEST REMOTE CONTROL 2. Press STOP button. (The door should stop.) * Requires B2 wiring type and compatible LiftMaster remote 3. Press CLOSE button. (The door should move in the close control. In C2 wiring the remote control will open the direction.)
1. To disengage, pull the chain and secure in the disengaged Electrical Interlock with Hoist for Models MH and MHS position by slipping the end through the keyhole bracket mounted on the wall. Or if emergency egress device is used, pull handle to disengage operator from door.
➤ Reprogram TTC. See PROGRAMMING TTC section. C) TTC not programmed properly RADIO FUNCTIONALITY NOTE: Built in radio receiver compatible with all LiftMaster 315MHz remote control devices. ➤ See PROGRAMMING REMOTE CONTROLS section. NO RESPONSE A) Remote control is not programmed ➤...
T R O U B L E S H O O T I N G C O N T . The status of the operator can be determined by counting the number of flashes of the LED on the logic board. DIAGNOSTIC LED TABLE # OF LED FLASHES STATUS...
R E P A I R P A R T S - E L E C T R I C A L B O X SERVICE KITS INDIVIDUAL PARTS ITEM PART # DESCRIPTION ITEM PART # DESCRIPTION K72-33872-1 Limit Switch Shaft Kit 13-10024 Limit Nut Complete with: Limit shaft, limit...
R E P A I R P A R T S K I T S - M H SERVICE KITS INDIVIDUAL PARTS ITEM PART# DESCRIPTION ITEM PART # DESCRIPTION K75-33877 Brake assembly kit 10-10713 Frame (Right Hand) Complete with: Plate, release arm, 10-10714 Frame (Left Hand) solenoid link, mounting plate,...
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R E P A I R P A R T S K I T S - M J SERVICE KITS INDIVIDUAL PARTS ITEM PART # DESCRIPTION ITEM PART# DESCRIPTION K75-33877 Brake assembly kit 10-10713 Frame (Right Hand) Complete with: Brake hub/pulley, 10-10714 Frame (Left Hand) brake release lever assembly, brake...
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R E P A I R P A R T S K I T S - M H S SERVICE KITS INDIVIDUAL PARTS ITEM PART# DESCRIPTION ITEM PART # DESCRIPTION K20-5150-LD-1 Motor, 1/2 hp, 115 Volt. 10-10713 Frame (Right Hand) K72-33841 Clutch shaft kit 10-10714...
Steel enclosure. MOUNTING BRACKETS Mounting Brackets: 10-12360 Angle mounting bracket, Painted steel, for PRESS R ING MJ, MH, and MHS. 02-103 3-Button Control Station: Steel enclosure. Medium Duty Angle Mounting Bracket: 10-9095 Heavy-gauge steel bracket. May be welded. C LO S TO For use with MJ, MGJ, and MH operators.
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C O N T R O L C O N N E C T I O N D I A G R A M IMPORTANT NOTES: 1. The 3-Button Control Station provided must be connected for operation. 2. If a STOP button is not used, a jumper must be placed between terminals 3 and 5. 3.
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