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The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
MADCBB, MATDCBB,
MASDCBB, & MASTDCBB
H E A V Y - D U T Y D C B A R R I E R G A T E O P E R A T O R
O W N E R ' S M A N U A L
MEGA ARM TOWER &
MEGA SPRINT TOWER
MEGA ARM &
MEGA SPRINT
IMPORTANT: Read and understand Warranty Page first. Batteries (included) MUST be connected for proper
operation of operator. Use (2) LiftMaster 12 Vdc 7AH (Part # MBAT).
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Summary of Contents for Chamberlain MADCBB
- Page 1 O W N E R ' S M A N U A L MEGA ARM TOWER & MEGA SPRINT TOWER MEGA ARM & MEGA SPRINT IMPORTANT: Read and understand Warranty Page first. Batteries (included) MUST be connected for proper operation of operator. Use (2) LiftMaster 12 Vdc 7AH (Part # MBAT).
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Page 2: Table Of Contents
TABLE OF CONTENTS SAFETY OPERATION AND MAINTENANCE 15-16 Safety Symbol and Signal Word Review Important Safety Instructions UL325 Model Classifications General Service Safety Installation Information Shear Pin Replacement Battery INTRODUCTION ADDITIONAL FEATURES 17-20 Features Tools Needed Suggested Loop Sensor Locations Operator Specifications Trap Instructions Sequence Access Management System (SAMS) with "Memory"... -
Page 3: Ul325 Model Classifications
UL325 ENTRAPMENT PROTECTION REQUIREMENTS SAFETY ACCESSORY SELECTION All UL325 compliant LiftMaster gate operators will accept external entrapment protection devices to protect people from motorized gate systems. UL325 requires GATE OPERATOR ENTRAPMENT PROTECTION that the type of entrapment protection correctly matches each gate application. -
Page 4: Safety Installation Information
SAFETY » SAFETY INSTALLATION INFORMATION 1. Vehicular gate systems provide convenience and security. Gate systems are comprised of many component parts. The gate operator is only one component. Each gate system is specifically designed for an individual application. 2. Gate operating system designers, installers and users must take into account the possible hazards associated with each individual application. Improperly designed, installed or maintained systems can create risks for the user as well as the bystander. -
Page 5: Introduction
INTRODUCTION » FEATURES + TOOLS NEEDED + OPERATOR SPECIFICATIONS FEATURES • Full service controller with eight inputs and LED indicators for loops, card reader, • Direct drive gear reducer eliminates many parts that might otherwise fail. radio, etc. • State of the art MOSFET motor drive technology, NO contactors or relays. •... -
Page 6: Installation
INSTALLATION » INSTALL THE CONCRETE PAD AND CONDUIT INSTALL THE CONCRETE PAD AND CONDUIT 24" Check the national and local building codes before installation. 6" Layout the concrete pad for the operator. The concrete pad should be approximately 24" x 24" x 24" in order to ensure proper and stable operation. The pad should be 6"... -
Page 7: Attach The Operator To The Concrete Pad
INSTALLATION » ATTACH THE OPERATOR TO THE CONCRETE PAD ATTACH THE OPERATOR TO THE CONCRETE PAD Position the operator on the concrete pad and mark the mounting holes. Install 1/2" x 6" wedge anchors in the location of the mounting holes. -
Page 8: Wiring
WIRING » POWER WIRING To reduce the risk of SEVERE INJURY or DEATH: • ANY maintenance to the operator or in the area near the operator MUST NOT • DO NOT install any wiring or attempt to run the operator without consulting the be performed until disconnecting the electrical power and locking-out the power wiring diagram. -
Page 9: Input Commands Connections
WIRING » INPUTS INPUTS (J5 TERMINAL STRIP) DO NOT connect ANY device which would deliver ANY voltage of ANY kind to these terminals. The J5 terminal strip is used for controlling the barrier arm with various accessories such as receivers, loop detectors, access controls, and push button stations. Use common and normally open contacts from devices connected to these inputs. -
Page 10: Accessory And Relay Connections
IMPORTANT: Do not run operator without installing the batteries. Replace batteries in pairs using LiftMaster MBAT or 29-NP712 batteries. Failure to install batteries correctly will cause damage and will not be covered by warranty. -
Page 11: Primary/Second Wiring
WIRING » PRIMARY/SECOND WIRING FIGURE 1 PRIMARY/SECOND WIRING In a primary/second configuration, either operator can be the primary. Primary J5 9 10 11 12 Choose an operator to be the primary and then direct all control wiring to it (also install vehicle detectors and receivers in it). At the primary, any input (at J5) with control wires (detectors, receivers, keypads, timers, etc.) to it must also be run to the same terminals of the Common... -
Page 12: Install The Receiver
INSTALL THE RECEIVER » INSTALL THE RECEIVER To prevent possible SERIOUS INJURY or DEATH from a moving gate or garage door: • ALWAYS keep remote controls out of reach of children. NEVER permit children to operate, or play with remote control transmitters. •... -
Page 13: Features And Functions
FEATURES AND FUNCTIONS » S1 DIP SWITCHES S1 DIP SWITCHES B C D E S1 Dip Switch Block HANDING THE BARRIER ARM DIP Switch S1-7 The J4 Motor Wiring is controlled by DIP switch S1-7. The Handing of the Barrier Arm may be changed from right-hand to left-hand operation by AUX LIMITS reversing the factory default motor connections. -
Page 14: S2 Dip Switches
FEATURES AND FUNCTIONS » S2 DIP SWITCHES S2 DIP SWITCHES MULTIPLE VEHICLE MEMORY G H I S2 Dip Switch Block DIP Switch S2-6 With S2-6 DIP switch in the ON position, the Multiple Vehicle Memory will activate, with inputs on terminal 4 and Common (COM) on the J5 terminal strip. -
Page 15: Adjustments
8. Disconnect ALL power BEFORE performing ANY maintenance. 4. Test the gate operator monthly. The gate MUST reverse on contact with a 9. ALL maintenance MUST be performed by a LiftMaster professional. rigid object or stop when an object activates the non-contact sensors. After SAVE THESE INSTRUCTIONS. -
Page 16: Operation And Maintenance
Refer to the battery manufacturer’s Material Safety Data Sheets (01-30839 “MSDS (see back of this document for contact information). Replace the batteries with Sheets, Battery, Standard”). LiftMaster does not recommend storage of batteries in LiftMaster P/N MBAT batteries. Replace in pairs. -
Page 17: Additional Features
ADDITIONAL FEATURES » SUGGESTED LOOP SENSOR LOCATIONS SUGGESTED LOOP SENSOR LOCATIONS Do not allow control devices to be within 10 feet of gate or operator. RECOMMENDATIONS: Back Away Loop • If vehicle detectors are used to open or close the gate, use of the presence Close (Free Exit) Loop... -
Page 18: Trap Instructions
ADDITIONAL FEATURES » TRAP INSTRUCTIONS TRAP INSTRUCTIONS INSTALL THE K1 AUXILIARY RELAY AND CONNECTOR AT MEGA ARM RECONNECT THE POWER AND TEST CONNECTED TO THE ACCESS DEVICE 1. Reconnect the DC power by replacing the neutral (Black) wire to the battery terminal. -
Page 19: Sequence Access Management System (Sams) With "Memory
ADDITIONAL FEATURES » SEQUENCE ACCESS MANAGEMENT SYSTEM (SAMS) WITH "MEMORY" SEQUENCE ACCESS MANAGEMENT SYSTEM (SAMS) WITH "MEMORY" NOTE: Insert a jumper across the JP2 terminal to allow the SAMS feature to work SAMS WITH OTHER OPERATORS with the multiple vehicle memory count selection, use the K1 relay to open the REQUIRES THE K1 RELAY OPTION (Order SAMS KIT) sequenced gate (S1-5 off, S2-6 on, jumper across JP2). -
Page 20: Control Board Layout
ADDITIONAL FEATURES » CONTROL BOARD LAYOUT + INPUT LOCATIONS CONTROL BOARD LAYOUT Open Gate Inputs - Reader, Push Button Aux Open / Reset (Pulse Open/Close) Safety Loop Input Close Gate Input - Close Loop Back Away - Free Exit Loop Shadow Loop Commons - 0 Vdc 1Ø... -
Page 21: Troubleshooting
TROUBLESHOOTING » BATTERY CHECKOUT + GATE NOT OPERATING WARNING - DISCONNECT BATTERIES AND AC POWER BEFORE SERVICING ANY MECHANICAL OR MOVING COMPONENTS. BATTERY CHECKOUT When the batteries become weak the gate will begin to run noticeably slower. NOTE: Batteries should only be checked when you are sure they have had adequate time to fully charge. -
Page 22: Repair Parts
REPAIR PARTS » PART NUMBERS AND DESCRIPTIONS + PARTS SHIPPED + MEGA ARM TOWER UNIQUE PARTS LIST + MEGA ARM OPTIONS PARTS LIST NOTE: Mega Arm Tower not shown PART NUMBERS AND DESCRIPTIONS ITEM PART NUMBER DESCRIPTION ITEM PART NUMBER DESCRIPTION MA014 Bolt and Nut (4) Motor... -
Page 23: Accessories
Single-button to 4-button, visor or key NYLON ARM NUTS chain. Additionally, Passport remote controls are ideal for integration with ™ Telephone Entry and Access Control Systems. Contact your authorized LiftMaster (Pkg. of 50), thin. Model MA021A dealer for details. ADAPTER COLLARS ✚... -
Page 24: Warranty Policy
10 year corrosion perforation warranty on the cover and chassis. Warranty will begin from the date of purchase. LiftMaster reserves the right of final determination as to the existence and causes of any defect or failure. Any part or parts found to be defective and are returned to LiftMaster within the warranty period, shall at our option be repaired or replaced free of charge F.O.B.