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The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
Mega ARM Tower
Models:
MADCBB, MATDCBB, MASDCBB & MASTDCBB
(MEGA ARM, MEGA ARM TOWER, MEGA SPRINT & MEGA SPRINT TOWER)
1/2 HP COMMERCIAL DUTY PARKING GATE OPERATOR
INSTALLATION AND SERVICE MANUAL
IMPORTANT: Read and understand Warranty Page first.
Batteries (included) MUST be connected for proper operation of unit.
Use (2) LiftMaster 12Vdc 7AH (Part # MBAT).
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Summary of Contents for Chamberlain MEGA ARM / MEGA ARM TOWER
- Page 1 (MEGA ARM, MEGA ARM TOWER, MEGA SPRINT & MEGA SPRINT TOWER) 1/2 HP COMMERCIAL DUTY PARKING GATE OPERATOR INSTALLATION AND SERVICE MANUAL IMPORTANT: Read and understand Warranty Page first. Batteries (included) MUST be connected for proper operation of unit. Use (2) LiftMaster 12Vdc 7AH (Part # MBAT).
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Page 2: Table Of Contents
T A B L E O F C O N T E N T S INTRODUCTION OPERATION AND MAINTENANCE Safety Symbol and Signal Word Review ....3 Important Safety Instructions . -
Page 3: Introduction
AVERTISSEMENT AVERTISSEMENT UNIT OVERVIEW AVERTISSEMENT AVERTISSEMENT The LiftMaster model MEGA ARM barrier style parking gate • Molded Polyethylene UV stabilized cover never needs wax or operator is unique in the industry. Setting the MEGA ARM apart paint (excludes towers). AVERTISSEMENT... -
Page 4: Ul325 Model Classifications
SAFETY ACCESSORY SELECTION UL325 ENTRAPMENT PROTECTION REQUIREMENTS All UL325 compliant LiftMaster gate operators will accept external GATE OPERATOR ENTRAPMENT PROTECTION entrapment protection devices to protect people from motorized gate systems. UL325 requires that the type of entrapment... -
Page 5: Safety Installation Information
S A F E T Y I N S T A L L A T I O N I N F O R M A T I O N 1. Vehicular gate systems provide convenience and security. Gate systems are comprised of many component parts. The gate operator is only one component. -
Page 6: Installation
I N S T A L L A T I O N CONCRETE PAD UNIT DIMENSIONS 3-1/2" The concrete pad for operator mounting should be approximately 15-3/4" 13-1/2" 24"x24"x24" in order to provide adequate weight and structure to insure proper and stable operation. Pad should be 6" above finished grade or even with top of curb if one is present. -
Page 7: Wiring And Hookup
WARNING W I R I N G A N D H O O K U P WARNING WARNING To reduce the risk of SEVERE INJURY or DEATH: • DO NOT install any wiring or attempt to run the operator without consulting the wiring diagram. We recommend that •... -
Page 8: Accessory And Relay Connections
(BLACK -) terminal of the OTHER battery. Place the supplied jumper between the remaining terminals of each FIGURE 2 battery if one is not already in place (Figure 1). (Use LiftMaster Master J5 MBAT or 29-NP712 for replacement batteries.) Replace in pairs. -
Page 9: Reversing Arm Direction
R E V E R S I N G A R M D I R E C T I O N REVERSING THE DIRECTION OF THE ARM The MEGA ARM allows for the “handing” or reversing of the FIGURE 1 arm’s direction of movement in relation to the unit’s normal operation. -
Page 10: T I M E R S A N D M O D E S E L E C T I O N S S 1 & S 2
T I M E R S A N D M O D E S E L E C T I O N S S 1 & S 2 MODE SELECTIONS - SWITCH PACK S1 (5-8) SWITCH 5: ON -Will allow J5 input #4 to operate as a pulse open/pulse close function. -
Page 11: Install The Receiver
WARNING I N S T A L L T H E R E C E I V E R NOTICE: To comply with FCC and or Industry Canada (IC) rules, adjustment or modifications of WARNING WARNING this receiver and/or transmitter are prohibited, except for changing the code setting or replacing the battery. -
Page 12: Instant Reverse Device (Ird)
After adjusting the maintenance. force or the limit of travel, retest the gate operator. 9. ALL maintenance MUST be performed by a LiftMaster Failure to adjust and retest the gate operator properly professional. can increase the risk of INJURY or DEATH. -
Page 13: General Service
2. Charge voltage for batteries should be 27.5 +0.05, -0 Vdc performing ANY maintenance. with batteries disconnected (set with R63, shown on the Control Board Layout page). 3. Replace batteries with Liftmaster P/N MBAT batteries. Replace in pairs. BATTERY DISPOSAL SHEAR PIN REPLACEMENT... -
Page 14: Troubleshooting
T R O U B L E S H O O T I N G 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. -
Page 15: Suggested Loop Sensor Locations
S U G G E S T E D L O O P S E N S O R L O C A T I O N S FREE EXIT ON VEHICLE APPROACH Gate will open when sensed by exit loop and then close once the FIGURE 1 close loop is cleared. -
Page 16: Trap Instructions
T R A P I N S T R U C T I O N S INSTALL THE K1 AUXILIARY RELAY AND CONNECTOR AT MEGA RECONNECT THE POWER AND TEST ARM CONNECTED TO THE ACCESS DEVICE 1. Reconnect the DC power by replacing the neutral (Black) wire 1. -
Page 17: Sams With Other Operators
SEQUENCE ACCESS MANAGEMENT SYSTEM (SAMS) WITH “MEMORY” SAMS WITH OTHER OPERATORS REQUIRES THE K1 RELAY OPTION (Order SAMS KIT) This feature allows a logical interface between the MEGA ARM NOTE: Insert a jumper across the JP2 terminal to allow the SAMS barrier gate and a swing, slide, etc. -
Page 18: Control Board Layout
C O N T R O L B O A R D L A Y O U T 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 - 0Vdc... -
Page 19: Mega Arm Ul Parts List
M E G A A R M U L P A R T S L I S T NOTE: Mega Arm Tower not shown PART NUMBERS AND DESCRIPTIONS ITEM PART NUMBER DESCRIPTION ITEM PART NUMBER DESCRIPTION MA014 Bolt and Nut (4) Motor MA001 Controller MA002... -
Page 20: Accessories
A C C E S S O R I E S F O R D C B A R R I E R A R M O P E R A T O R S 371LM SECURITY✚ ® Single Button Remote Control: MA023 Aluminum Arm: White, 12' x 3"... -
Page 21: Operator Notes
O P E R A T O R N O T E S... -
Page 22: Operator Notes
O P E R A T O R N O T E S... -
Page 23: Warranty Policy And Registration
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. the factory. -
Page 24: Repair Parts And Service
HOW TO ORDER REPAIR PARTS OUR LARGE SERVICE ORGANIZATION SPANS AMERICA INSTALLATION AND SERVICE INFORMATION SIMPLY DIAL OUR TOLL FREE NUMBER: 1-800-528-2806 www.liftmaster.com WHEN ORDERING REPAIR PARTS, ALWAYS GIVE THE FOLLOWING INFORMATION: • PART NUMBER • PART NAME • MODEL NUMBER ADDRESS ORDERS TO: THE CHAMBERLAIN GROUP, INC.
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