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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 Mega Arm Tower
- Page 1 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 &...
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Page 2: Table Of Contents
REPAIR PARTS Input Commands Connections Accessory and Relay Connections Part Numbers and Descriptions Battery Installation Parts Shipped Primary/Second Wiring Mega Arm Tower Unique Parts List Mega Arm Options Parts List INSTALL THE RECEIVER ACCESSORIES FEATURES AND FUNCTIONS 13-14 WARRANTY POLICY... -
Page 3: Ul325 Model Classifications
SAFETY » UL325 MODEL CLASSIFICATIONS UL325 MODEL CLASSIFICATIONS CLASS I – RESIDENTIAL VEHICULAR GATE OPERATOR A vehicular gate operator (or system) intended for use in a home of one-to four single family dwellings, or a garage or parking area associated therewith. CLASS II –... -
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
• All rust proof aluminum construction with white powder coat baked on enamel. Molded Polyethylene UV stabilized cover never needs wax or paint • Capable of being powered from 120 or 230 Vac, or UL Listed Class 2 Solar (excludes towers). Power MEGA ARM TOWER MEGA ARM PEDESTAL 3-1/2" 3-1/2" 15-3/4"... -
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
WIRING » ACCESSORY AND RELAY CONNECTIONS + BATTERY INSTALLATION ACCESSORY AND RELAY CONNECTIONS These terminals will provide battery backed power to 24 Vdc devices and are located at the bottom of the control board at J4 terminals 1 and 2. Terminal 1 is 24 Vdc (+) BAT–... -
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
ADJUSTMENTS » INSTANT REVERSE DEVICE (IRD) + INSTALL THE BARRIER ARM To reduce the risk of SERIOUS INJURY or DEATH: • Disconnect power BEFORE performing ANY adjustments near drive shaft. INSTANT REVERSE DEVICE (IRD) MANUAL Adjustments to be done by qualified service persons only. OPEN AUX LIMITS The instant reverse device is an internal circuit that continuously monitors the... -
Page 16: Operation And Maintenance
OPERATION AND MAINTENANCE » GENERAL SERVICE + SHEAR PIN REPLACEMENT + BATTERY To avoid SERIOUS PERSONAL INJURY or DEATH from electrocution, disconnect ALL electric power BEFORE performing ANY maintenance. Check at the intervals listed in the following chart: ITEM PROCEDURE EVERY 3 MONTHS EVERY 6 MONTHS EVERY 12 MONTHS... -
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... -
Page 23: Accessories
ACCESSORIES REMOTE CONTROLS NYLON ARM NUTS Chamberlain offers a variety of LiftMaster Security ✚ and Passport remote ® ™ (Pkg. of 50). Model MA021 controls to satisfy your application needs. Single-button to 4-button, visor or key NYLON ARM NUTS chain. Additionally, Passport remote controls are ideal for integration with ™... -
Page 24: Warranty Policy
WHEN ORDERING REPAIR PARTS, ALWAYS GIVE THE FOLLOWING INFORMATION: • PART NUMBER • PART NAME • MODEL NUMBER ADDRESS ORDERS TO: THE CHAMBERLAIN GROUP, INC. Technical Support Group 6050 S. Country Club Road Tucson, Arizona 85706 © 2011, The Chamberlain Group, Inc. 01-60162H All Rights Reserved...
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what is the f3 fuse for the liftgate