MADCBB, MATDCBB, MASDCBB & MASTDCBB
Contents
1. 6 Gj 6 Ole O IEI j 0909090990990 Common Close Open 12 34 567 8 9 10 11 12 Second J5 FIGURE 3 RX GND TX 12 3 4 GIO 9 7 O Master J3 1 1 IRD Obstruction Signal Connections d Terminal 1 of Master must go to terminal 4 lt L of Second and terminal 1 of Second must go to terminal 4 of Master Terminal 2 of Master must go to terminal 2 of Second OOQOO Second J3 REVERSING ARM DIRECTION REVERSING THE DIRECTION OF THE ARM The MEGA ARM allows for the handing or reversing of the arm s direction of movement in relation to the unit s normal operation This allows for mounting in tight places or when it is desired to have the arm when across the driveway to be in front of the unit or behind the unit when viewed from the traffic flow direction Figure 1 WARNING POWER MUST BE OFF AND NO ARM INSTALLED BEFORE MAKING THESE CHANGES STEP 1 Before power up switch bank S1 switch 7 must be on Figure 1 STEP 2 Next the motor wires on the control board must be reversed At J4 on the bo2. 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 Activate gate or door ONLY when it can be seen clearly is properly adjusted and there are no obstructions to door travel ALWAYS keep gate or garage door in sight until completely closed NEVER permit anyone to cross path of moving gate or door WIRING THE RECEIVER Contacts 1 and 2 on the receiver terminal strip are for power The power terminals are unpolarized Connect terminals 1 and 2 to the accessory power terminals on the J4 terminal strip at the bottom of the logic board Figure 1 Contacts 3 and 4 on the receiver terminal strip are for a common and a relay Connect terminals 3 and 4 to terminals 1 and 10 on the J5 terminal strip at the top of the logic board NOTE Auxiliary Pin 4 can be used for push to open push to close functionality SET SECURITY MODE The Universal Receiver can be used with up to 15 rolling code remotes or passwords in HIGH security mode Alternately it can be used with up to 31 of any type remote in NORMAL security mode including any combination of rolling code billion code 390Mhz only or dip switch remotes The jumper must be set at the HIGH position for the receiver to operate in HIGH security mode It must be set at NORMAL position to operate at the NORM
3. 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation P1 to J4 Accessory Power P2 to J4 Accessory Power P3 to J5 Terminal 1 P4 to J5 Terminal 10 FIGURE 1 Security Mode Security Mode i Terminals Terminals FIGURE 2 Indicator Light OPENING RECEIVER Learn Button OPEN RECEIVER Connect Antenna Output Duration Terminals Security Mode Power Supply Jumper LT FIGURE 3 Not INSTANT REVERSE DEVICE IRD The reverse device is an internal circuit that continuously monitors the motors current for increased draw Turning the IRD1 right CW more sensitive or left CCW less sensitive in small increments will allow sensitivity adjustments IF ARM DOES NOT REVERSE DO NOT CONTINUE TO FORCE The obstruction that you apply should STOP the arm Adjust sensitivity so that consistent reversal occurs If the gate stops while opening then the IRD is TOO sensitive Some slight adjustment either way may be needed so that the gate only reverses when obstructed If gate is obstructed while closing the gate will reverse to the open position time out using the time delay set at S 2 switches 1 5 and then close If gate is opening when obstructed gate will stop its open travel then will time out and close usin
4. ACCESSORY AND RELAY CONNECTIONS These terminals will provide battery backed power to 24 Vdc devices and are located at the bottom of the electronic control board at J4 terminals 1 and 2 Terminal 1 is 24 Vdc and number 2 is 0 Vdc Peripheral CLASS 2 low voltage devices that require 24 Vdc power maybe connected here 500 ma maximum EXAMPLE Vehicle detector radio receiver RELAY OUTPUT K1 OPTION 1 6 off 1 8 off relay will fire latch when gate is not closed 1 6 on 1 8 off relay will fire when arm is pushed up off of limit switch use with slip clutch option and fires relay when a tail gate is detected by the close loop ANTI TAIL GATE ALARM 1 6 off 1 8 on relay will pulse relay when arm reaches full open position 1 6 on 1 8 on relay will only pulse when input is given to J5 1 2 3 inputs See page 10 BATTERY INSTALLATION HOOKING UP BATTERY LEADS ALWAYS HOOKUP AND TURN ON AC POWER BEFORE INSTALLING BATTERIES After turning on AC power install two new fully charged 12 volt DC batteries on shelf next to motor Connect red lead from operator to the positive RED terminal of one battery and black lead from the operator to the BLACK terminal of the OTHER battery Place the supplied jumper between the remaining terminals of each battery if one is not already in place Figure 1 Use LiftMaster MBAT or 29 NP712 for replacement batteries Replace in pairs WARNING Do not run operator without
5. TARAEEBR The Chamberlain Group Inc CHAMBERLAIN 845 Larch Avenue Elmhurst Illinois 60126 1196 La iVi b www liftmaster com E aster P ROFES SIONAL usr Radio m eee Receiver Included Mega ARM Tower Models MADCBB MATDCBB MASDCBB amp MASTDCBB MEGA ARM MEGA ARM TOWER MEGA SPRINT amp 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 Se eS INTRODUCTION Safety Symbol and Signal Word Review Tools Needed For Installation Unit Overview UL325 MODEL CLASSIFICATIONS SAFETY INSTALLATION INFORMATION INSTALLATION Concrete Pad Anchors Conduits Dimensions WIRING AND HOOKUP AC Power Hookup 120 230 Vac Input Commands 1 8 0 ccc eee eee Accessory and Relay Connections Battery Installation Master Second Wiring REVERSING ARM DIRECTION Reversing the Direction of the Arm TIMERS AND MODE SELECTIONS 51 amp 52 Mode Selections 1 Fast Run Timer S1 Close Timer Selection S2 Mode Selections 2 INSTALL THE RECEIVER Wiring the Receiver Set Security Mode Programming the Remote to the Receiver To Erase All Remote Control Codes ADJUSTMENT Instant Reverse Device IRD Gate Arm Leveling OPERATION AND MAINTENANCE Important Safety Instructions
6. you must provide the following As your primary type of entrapment protection you must provide Type A inherent built into the operator entrapment sensing and at least one of the following as your secondary entrapment protection Type B1 Non contact sensors such as photoelectric eyes Type B2 Contact sensors such as gate edges or Type D Constant pressure control 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 Gate systems design and installation must reduce public exposure to potential hazards 3 A gate operator can create high levels of force in its function as a component part of a gate system Therefore safety features must be incorporated into every design Specific safety features include Gate Edges e Guards for Exposed Rollers e Photoelectric Sensors e Screen Mesh Vertical Posts Instructional and Precautionary Signage 4 nstall the gate operator only when a The operator is appropriate for the construction and the usage class of the gate b All openings of a hor
7. 24Vde Loop Detector A57 Wiring Harness For the A24 MA201 Heater Kit 150 watt with thermostat MA and MAS only UN201 Heater Kit 500 watt with thermostat MAT and MATS only MA005C Slip Clutch Option For Mega Arm Gear Box MA200 K1 Relay Output Option Sprint Units Only SP8 Sprint Gate Arm 8 Padded Safety Arm yellow SP8 TUBE Replacement Arm Tube SP8 PAD Replacement Pad Yellow MA023 MA024 MAO24R Highly Recommended MA021 MA021A MA031 MA025 MA026 MA027 MA028 MA029 MA030 MA117 MA115 MA116 MA116R MA034 Highly Recommended MA033 MA035 MA024 10 SAMSKIT MA230VKIT Aluminum Arm White 12 x 3 diameter with warning labels Aluminum Arm 12 x 3 diameter with yellow black stripes Aluminum Arm 12 x 3 diameter with reflective yellow black stripes Nylon Arm Nuts Pkg of 50 Nylon Arm Nuts Pkg of 50 thin Adapter Collars For padded arm option 2 included Round Padded Arm 12 x 4 diameter yellow Replacement Pad 12 x 4 diameter yellow Replacement Arm Tube 12 x 2 diameter Round Padded Arm 14 x 4 diameter yellow requires MA117 Replacement Pad 14 x 4 yellow Replacement Arm Tube 14 x 4 Counter Weight Required for all 15 arms Aluminum Gate Arm White 15 x 3 requires MA117 Aluminum Gate Arm 15 x 3 with yellow black stripes requires MA117 Aluminum Gate Arm 15 x 3 with reflective yellow black
8. 1 2 3 OPEN These inputs will trigger gate open when pulsed or hold gate open with maintained contact When released gate will close if closing timer is on or if close input is given 4 AUXILIARY OPEN Same as 1 2 and 3 with S2 switch 6 off With S2 switch 6 on this input will memorize multiple vehicles and not allow gate to close until the final vehicle in memory crosses the close loop Use with laser scanners or card readers and transmitters with timed anti pass back With S1 switch 5 on this input becomes a momentary pulse open pulse close 5 SAFETY This input is generally not used with the MEGA ARM If used its function is to make gate reverse and go back to the open position if it was closing Input is disabled when gate is closed DO NOT install any wiring or attempt to run the operator without consulting the wiring diagram We recommend that you Install an optional reversing edge BEFORE proceeding with the control station installation ALL power wiring should be on a dedicated circuit and well protected The location of the power disconnect should be visible and clearly labeled ALL power and control wiring MUST be run in separate conduit e BEFORE installing power wiring or control stations be sure to follow all specifications and warnings described below Failure to do so may result in SEVERE INJURY to persons and or damage to operator 120 Vac Connect the BLACK wire to the incoming 120 Vac hot lead and connec
9. LiftMaster professional 10 SAVE THESE INSTRUCTIONS OPERATION AND MAINTENANCE Check at the intervals listed in the following chart ITEM Fasteners Check and tighten as required Bearings amp Shafts Battery Maintenance Replace batteries Repeat ALL procedures GENERAL SERVICE 1 Belt loose or needs replacement adjust with 4 bolts that support motor to allow 1 4 play 2 Charge voltage for batteries should be 27 5 0 05 0 Vdc 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 SHEAR PIN REPLACEMENT If gate arm is vandalized and the tapered pin in the output shaft has been sheared it must be replaced correctly and with the right pin type Replacement must be done by always punching out the pin or pieces from the small end only If drilling is required DO NOT DAMAGE THE SHAFT use a drill bit smaller than the small hole size of the pin Correct pin P N MA013 is a 2 pin with a number 6 taper only NEVER USE A BOLT AS A TEMPORARY FIX THIS WILL DAMAGE THE SHAFT AND COLLAR 1 Use S 3 to rotate bracket to up position Turn off AC power and disconnect batteries small end first Remove gate arm bracket and pieces in collar Drive out pin pieces with hammer and punch Solid sharp blows are better than light ones Reinstall gate arm bracket Lightly oil the new pin then insert into colla
10. at that time the unit may be returned to service Disconnecting power at the fuse box BEFORE proceeding Operator MUST be properly grounded and connected in accordance with local electrical codes NOTE The operator should be on a separate fused line of adequate capacity ALL electrical connections MUST be made by a qualified individual AC POWER HOOKUP 120 230 Vac Be sure your main power is OFF before attempting to hook up the AC power The AC wiring should be attached to the wires exiting the conduit or pedestal post Only use U L approved 14AWG or larger 600 volt insulated wire NOTE Do not connect any of the AC power wires directly to the electronic control board Connect the batteries after the AC power is restored INPUT COMMANDS CONNECTIONS Use common and normally open contacts from devices connected to these inputs Control wire connections at low voltage terminal strip will be at the top of the electronic control board Make connections to the appropriate points for the desired operation see Control Board Layout page 18 Wires should be UL approved 600 volt rated and at least 18 AWG They are to be routed through the upper grommet in chassis to avoid chafing All external control devices must have normally open dry contacts CAUTION DO NOT CONNECT ANY DEVICE WHICH WOULD DELIVER ANY VOLTAGE OF ANY KIND TO THESE TERMINALS Terminals 9 10 11 12 are the commons 0 Vdc used to activate the following inputs
11. close function 1 8ths Seconds 1 2 8 o Soins SWITCH 6 ON Will fire relay if gate is pushed UP from closed limit used with clutch option Also S1 ANTI TAIL GATE ALARM if tailgating is detected by close loop K1 relay will fire When using clutch option turning on S1 6 amp 2 7 gate will close by timer whenever forced up Switch in SWITCH 7 Used to enable arm to work in reverse direction OFE poston see page 9 SWITCH 8 Off will make K1 relay activate during open cycle use with buzzers counters etc On will pulse K1 relay when OPEN LIMIT OLS is reached activates a swing or slide gate its lane See also page 18 RELAY OUTPUT K1 FAST RUN TIMER SWITCH PACK S1 1 4 The fast run timer sets the time that the operator runs at full speed The slow start ramp time is fixed The slow stop ramp time is fixed but can be overrun by the fast run time if not adjusted properly When adjusting make sure the slow stop ramp completes before the close limit With all switches off the default fast run time is 1 5 seconds Changing settings will adjust fast run timer by 1 8 second increments Example 2 on equals 25 seconds 4 on equals 1 second 2 and 4 on equals 1 25 seconds etc CLOSE TIMER SWITCH PACK 52 1 5 NOTE Default setting is off On the MEGA ARM the switches 1 5 on S2 are for the closing time delay to select the period of time that the gate stays open after the obstruction sensor has re
12. gets an open signal it will be HELD IN MEMORY then raise once the first gate closes This will work if either gate has a telephone entry unit or access device AVI prox etc Connect the K1 relay C and N O of each gate to the SHADOW LOOP J5 8 input and common of the other Figure 2 Leave S1 6 and 8 OFF to allow relay to stay latched NOTE Insert a jumper across the JP2 terminal to allow the SAMS feature to work with the multiple vehicle memory count selection use the K1 relay to open the sequenced gate 51 5 off S2 6 on jumper across JP2 This allows gate to store input counts via J5 4 but not raise the arm until the sequenced slide or swing gate has fully opened FIGURE 1 Mega Arm Other Operator Slide Swing Teeth etc K1 Relay Open Input Access Device Extra Open Limit Switch S1 6 and 8 ON K1 Relay PULSE only S1 6 and 8 OFF K1 Relay LATCH only FIGURE 2 Mega Arm Mega Arm K1 Relay Visitor J5 11 Resident Lane Lane J5 8 Tele Entry Reader etc J5 1 J5 9 K1 Relay 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 0Vdc MANUAL 23 4 56 7 8 1 R14 In n H T2 ei 9 4e o be 9 18 c 9 Cibo Amb Amb Aa oa OPEN2 OPEN3 AUX4 SAFETY5CLOSE6 BACK 7SHADOW 8 CHAMBERLAIN
13. 0 000 12 General Service 0 00 ccc cece eee tenes 13 Shear Pin Replacement 0 0 00 cece eee 13 Battery Disposal 6 0 0 cece eee eee 13 Battery Replacement 00 neess possi natoni 13 Battery Maintenance Testing eee eee 13 Battery Handling Storage 0 cece eee eee 13 TROUBLESHOOTING Battery Checkout 14 Gate Not Operating 0c cece cece eee eee 14 Troubleshooting Chart 0 0 0 0 cece cece eee eee 14 SUGGESTED LOOP SENSOR LOCATIONS Free Exit Operation 15 Entry With Access Control Device 0 15 Dual Direction 0 cece eee eee eee 15 TRAP INSTRUCTIONS 16 SEQUENCE ACCESS MANAGEMENT SYSTEM adi SAMS With Other Operators 000 0c eae SAMS Two Mega Arms with Memory ii CONTROL BOARD LAYOUT Input LOCATIONS esi Re E Re mh 18 MEGA ARM UL PARTS LIST Part Numbers and Descriptions 005 19 Parts Shipped iod tenete eren Een Selon ena 19 Mega Arm Tower Unique Parts List 19 Mega Arm Options Parts List 19 ACCESSORIES 0 20 OPERATOR NOTES 21 22 WARRANTY POLICY AND REGISTRATION 23 REPAIR PARTS AND SERVICE 24 INTRODUCTION 4 WARNING Mechanical A WARNING Electrical CAUTION When you see these Safety Symbols and Signal Words on the following pages they will alert
14. 4 Connect the common output C J5 term 12 of the second unit to the common of the trap unit J5 term 12 SET THE DIP SWITCHES AT THE TRAP OPERATOR 1 Set switch bank S1 to 00100001 where 1 is up and 0 is down RECONNECT THE POWER AND TEST 1 Reconnect the DC power by replacing the neutral Black wire to the battery terminal 2 Reconnect the AC Power to the operator 3 To test activate the following sequence of inputs a Open the trap gate using the access device b When the trap gate is open activate the close loop on the trap operator The trap gate will close and the second gate should open c When the second gate is open activate the close loop on the second operator The second gate should close TRAP SET UP Interlock C C NC NO DC OPEN 81 6 OFF A Trap 81 6 OFF 2 Set switch bank S2 to 00100010 where 1 is up and 0 is uu n reste Aa down C NC NO DC SET THE DIP SWITCHES AT THE SECOND OPERATOR 1 Set switch bank S1 to 00100000 where 1 is up and 0 is down 2 Set switch bank S2 to 00100010 where 1 is up and 0 is down TRAP CONFIGURATION Trap Operator ON ga lion Tos fon fon Bm d ace 12345678 ON ore ma pov os i 12345678 L Card Reader Tele entry Radio Control Must use trap kit See Mega Arm Options Parts List Mega Arm Trap Mega ARM Operator ON EE Aaa es tony ion tes ii 12345678 Close Loop ON only oye Mega Arm 12345678 E SEQU
15. AL mode Figure 2 When changing from NORMAL to HIGH security mode any previous remote codes must be erased Repeat Steps 2 and 3 in the Programming Section below to reprogram the receiver for each remote control in use The receiver is factory set at HIGH PROGRAMMING THE REMOTE TO THE RECEIVER STEP 1 Pry open the front panel of receiver case with a coin or a screwdriver Re connect power to opener Figure 3 STEP 2 Press and release the learn button on the receiver The learn indicator light will glow steadily for 30 seconds STEP 3 Within 30 seconds press and hold the button on the hand held remote that you wish to operate your gate The opener will now operate when the push button on either the receiver or the remote control is pressed Repeat Steps 2 and 3 for each remote control that will be used to operate the gate TO ERASE ALL REMOTE CONTROL CODES Press and hold the learn button on the receiver panel until the indicator light turns off about 6 seconds All remote codes are now erased Then follow the steps above to reprogram each remote control NOTICE To comply with FCC and or Industry Canada IC rules adjustment or modifications of this receiver and or transmitter are prohibited except for changing the code setting or replacing the battery THERE ARE NO OTHER USER SERVICEABLE PARTS Tested to Comply with FCC Standards FOR HOME OR OFFICE USE Operation is subject to the following two conditions
16. ENCE 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 barrier gate and a swing slide etc gate operator or MTC 31 All that is required is 4 wires between the MEGA ARM barrier gate and the other operator It will be necessary to have one set of dedicated isolated dry contacts C and N C COMMON and NORMALLY CLOSED be available at the other operators OPEN LIMIT SWITCH Most units will require that this EXTRA limit switch be added to their open limit switch assembly Figure 1 OPERATION A one second pulse from access control device to the MEGA ARM will energize its K1 relay sending an open signal to the other operator causing it to open However the MEGA ARM s boom will not raise yet When the other operator reaches its full open limit switch this will open the COMMON and NORMALLY CLOSED contact on the EXTRA open limit switch This will allow the original signal from your access control device that was stored in memory to now raise the gate arm As long as the other operator is in the full open position any additional open pulse sent will in turn energize the MEGA ARM s K1 relay to send another open signal to the other operator as well as cause the arm to raise again if it has closed via a car crossing the MEGA ARM s close loop WIRING Run 2 wires from the other operator s isolated common amp nor
17. ERATOR RECOMMENDATION 1 If vehicle detectors are used to open or close the gate use of the presence contacts are recommended Using the pulse contacts will REDUCE the gate s safe operation RECOMMENDATION 2 If closing timer is to be used use ONLY on a dedicated free exit RECOMMENDATION 3 Close loop must be centered under gate arm Close Back Away Loop Loop Free Exit FIGURE 1 Mega Arm Close Loop Card Reader Tele entry Radio Control FIGURE 2 J Mega Arm Close Loop Back Away Loop Free Exit Card Reader Tele entry Radio Control D FIGURE 3 S Mega Arm TRAP INSTRUCTIONS INSTALL THE K1 AUXILIARY RELAY AND CONNECTOR AT MEGA ARM CONNECTED TO THE ACCESS DEVICE 1 Press the relay into the K1 location ensuring the pins are properly aligned 2 Press the connector into the J1 connector pins INSTALL THE K1 AUXILIARY RELAY AND CONNECTOR AT THE SECOND 1 Press the relay into the K1 location ensuring the pins are properly aligned 2 Press the connector into the J1 connector pins WIRE THE CONNECTIONS BETWEEN THE OPERATORS 1 Connect the Normally open output NO of the K1 relay on the trap unit to the OPEN input J5 term 2 of the second unit 2 Connect the common output C of the K1 relay of the trap unit to the common of the second unit J5 term 12 3 Connect the Normally open output NO of the K1 relay on the second unit to the INTERLOCK input of the trap unit J5 term 8
18. EX LLLA Master Open Limit Sensor PROFESSIONAL Battery Charge Adjust Open Drivers On Motor Brake On Close Drivers On ejelelejelejlejejeyejeye Close Limit Sensor OQ Obstruction Sense 7 IRD and MRT Doni eee iy WARNING FOR CONTINUOUS PROTECTION AGAINST FIRE REPLACE ONLY WITH THE SAME RIT TYPE AND RATING e BAT D ACPOWER Grates Relay Optional Mu ed u1 vam TUM C NC NO DC Relay Indicator BAT 24VAG XFMR RED YEL YEL K1 cS 24Vdc Terminals Regulated Optional BLU ORG INPUT LOCATIONS Accessory power is 24Vdc regulated rated at 500 ma 1 2 amp NOTE J5 8 is now the SAMS with memory input see page 12 D11 Heart beat Shows that processor and program are running properly D12 Battery status See diagnostic procedures D14 AC power indicator Shows that AC power is present 3 Manual open To allow gate to be opened or closed during service of unit Keep in the Close position for normal operation F3 10 amp ATO type fuse for 24Vac input power UL listed fuse only F4 15 amp ATO type fuse for 24Vdc battery input power UL listed fuse only MEGA ARM UL PARTS LIST PART NUMBERS AND DESCRIPTIONS ITEM PART NUMBER 1 MA001 2 MA002 3 MA003 4 MBAT 5 MA005 6 MA006 7 MA007 8 MA008 9 MAO009 10 MAO10 11 MAO11 12 MA012 13 MA013 PARTS SHIPPED ITEM MEGA ARM Operator Controller Unit Cover Installation and Service Manual Arm Bolts with Washers
19. NICAL 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 Turn off the AC power and run gate for 5 to 10 cycles while observing low battery indicator LED D12 If LED 12 comes ON batteries are too weak to function properly If LED 12 does not light then voltage should be checked as they still maybe near failure Correct voltage is approximately 24 5Vdc NOTE If LED D12 does light gate will open to conserve batteries in this test or in a real power loss even if mode switch 8 on S2 is off Return of AC power will clear low battery indicator Correct charge voltage is 27 5 Vdc with batteries not connected set with R63 shown on the Control Board Layout page GATE NOT OPERATING Gate will not operate v Is the HBEAT flashing No Yes Check the battery Check fuse F4 connections Replace if blown Y Is the BAT LO LED on Yes _____ S the HBEAT flashing now No No v y t Is the AC PWR Restore AC power E p Is S2 8 open on AC fail on Yes BEDDING No and orturn AC No power switch ON Y Is the shadow input active lt Yes Is the AC power 2 Yes Clear the active input to PERONIN No allow the gate to open Is the Safety Backaway or Open input active Check fuse F3 Allow unit to charge Clear the activ
20. Nylon Nuts 7AH Batteries DESCRIPTION Controller Removable Connector DC Motor 24 Vdc 12Vdc 7AH Battery 2 required Gear Reducer 60 1 Aluminum Chassis Drive Belt Reducer Pulley Motor Pulley Gate Arm Bracket Magnet Cam Arm Shear Pin QTY M N o NOTE Mega Arm Tower not shown ITEM PART NUMBER DESCRIPTION 14 MA014 Bolt and Nut 4 Motor 15 MA015 Transformer 16 MA016 120 Vac Duplex Outlet 120 Vac Only 17 MA017 Bolt and Nut 4 Reducer 19 MA019 On Off Switch ii MA020 Unit Cover for Mega Arm Not Tower MAO 1 Nylon Arm Nuts 2 i MA022 Arm Bolts 2 MA023 Gate Arm 12 7 73A3 Filter Module 74 31243 Surge Suppressor 20 MA036 Collar 21 MA037 Nylon Washer parts not shown MEGA ARM TOWER UNIQUE PARTS LIST ITEM PART NUMBER DESCRIPTION MAO20T Unit Cover for Mega Arm Tower MA020D Unit Door for Mega Arm Tower MEGA ARM OPTIONS PARTS LIST ITEM PART NUMBER DESCRIPTION 71 TRAP Trap option 71 SPRINT Sprint option 71 TRAPSP Sprint Trap option ACCESSORIES FOR DC BARRIER ARM OPERATORS 371LM SECURITY Single Button Remote Control A Includes visor clip 373LM SECURITY 3 Button Remote Control Includes visor clip SECURITY 4 Button Remote Control Includes visor clip Passport 1 Button Remote Control Includes visor clip Passport 3 Button Remote Control Includes visor clip Passport 4 Button Remote Control Includes visor clip
21. THAT YOU ARE IN FULL UNCONDITIONAL AGREEMENT WITH ALL OF THE ABOVE STIPULATIONS Materials components features and specifications are subject to change without notice WARRANTY REGISTRATION MAIL OR FAX THIS PORTION TO LIFTMASTER TO CONFIRM YOUR WARRANTY NAME OF INSTALLING DEALER NAME OF CUSTOMER ADDRESS CITY STATE ZIP CODE MODEL SERIAL NUMBER EXPECTED CYCLES PER DAY NUMBER OF HOMES OR APARTMENTS CONFIGURED AS A N 1 VISITOR ENTRANCE 2 RESIDENT ENTRANCE 3 MAIN ENTRANCE 4 EXIT 5 OTHER EXPLAIN REPAIR PARTS AND SERWICE 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 Technical Support Group 6020 S Country Club Road Tucson Arizona 85706 2007 The Chamberlain Group Inc 01 60162D All Rights Reserved
22. d separately must be located in the line of sight of the gate Activation of the reset control shall not cause the operator to start 10 A minimum of two 2 WARNING SIGNS shall be installed one on each side of the gate where easily visible 11 For a gate operator utilizing a non contact sensor a Reference owner s manual regarding placement of non contact sensor for each type of application b Care shall be exercised to reduce the risk of nuisance tripping such as when a vehicle trips the sensor while the gate is still moving c One or more non contact sensors shall be located where the risk of entrapment or obstruction exists such as the perimeter reachable by a moving gate or barrier 12 For a gate operator utilizing a contact sensor such as an edge sensor a One or more contact sensors shall be located where the risk of entrapment or obstruction exists such as at the leading edge trailing edge and post mounted both inside and outside of a vehicular horizontal slide gate b One or more contact sensors shall be located at the bottom edge of a vehicular vertical lift gate c A hard wired contact sensor shall be located and its wiring arranged so the communication between the sensor and the gate operator is not subject to mechanical damage d A wireless contact sensor such as the one that transmits radio frequency RF signals to the gate operator for entrapment protection functions shall be located where the transmission of the si
23. e Replace if blown before operation Yes input to allow the P i i No gate to close Does the IRD light while operating Make sure the gate is not binding then Yes adjust the IRD Verify the gate reverses when obstructed No The max timer MRT has expired Remove AC and battery power Is the IRD flashing Yes then reapply to reset Inspect the belt for slippage and verify the fast run timer settings are correct SUGGESTED LOOP SENSOR LOCATIONS FREE EXIT ON VEHICLE APPROACH Gate will open when sensed by exit loop and then close once the close loop is cleared If the vehicle pulls up to the exit loop and then backs away it will close Figure 1 Space between loops will be 4 to 10 Terminal 7 is backaway free exit Terminal 6 is close input ENTRY WITH ACCESS CONTROL DEVICE Gate will open when activated by an access control device When vehicle passes and clears close loop gate will close Figure 2 NOTE If a second vehicle tail gates and is sensed at the close loop gate will stop its closing motion until loop is cleared again Terminal 6 is close input Terminals 1 2 and 3 are open inputs DUAL DIRECTION AS ENTRY OR FREE EXIT Dual direction is a combination of both of the above configurations to provide the ability for traffic to enter or exit in the same lane Figure 3 Space between loops will be 4 to 10 DO NOT ALLOW CONTROL DEVICES TO BE WITHIN 10 OF GATE OR OP
24. estrians e Heater option MUST be used if temperature is 30 or below e Heater option available for 120 Vac units only See accessory page for heater part number CONDUITS Conduits should be restricted to fit the 3 1 2 x3 1 2 opening in pedestal base and 10 1 4 x 8 1 4 for the tower base Location on Center Ling pad should be centered and spaced approximately 6 from edge of pad on drive way side in order to get the most reach out of d arm Separate conduits to be included should be 120 230 Vac main power low voltage control wiring and one or two extra for loop sensor leads Conduit size should be limited to 1 2 when These Dimensions Will Center s 3 the Operator on the Pad possible to reduce crowding if more than four are needed All conduits must be UL approved 6 Pedestal TOWER CABINET DIMENSIONS Foot Print of Base on Pad 13 1 2 1 2 Pad 24 x24 x24 n E Gate Arm Bracket I 7 1 8 36 1 2 ii Open Area In Base 8 1 4 For Conduit CC Side View 14 114 Tower Foot Print of Base on Pad WIRING AND HOOKUP To reduce the risk of SEVERE INJURY or DEATH ANY maintenance to the operator or in the area near the operator MUST not be performed until disconnecting the electrical power and locking out the power via the operator power switch Upon completion of maintenance the area MUST be cleared and secured
25. g the same delay set at S 2 If S 2 switch number 8 is off you have programmed the unit to NOT AUTO RAISE when power fails then recheck your adjustments with AC power off to be sure proper operation will be maintained NOTES Instant reverse device IRD should be tested monthly to insure proper operation If adjustments are required refer to above paragraph Adjustments to be done by qualified service persons only amp WARNING To reduce the risk of SERIOUS INJURY or DEATH Disconnect power BEFORE performing ANY adjustments near drive shaft GATE ARM INSTALLATION AND LEVELING Install arm in gate arm bracket by lining up holes in arm with the slotted holes in bracket Insert the bolts through the arm and through the bracket Next install the flat washers then the nylon nuts It is recommended the only nylon nuts be used to attach arms The magnetic limit cam is pre adjusted for near proper arm travel however if leveling of the arm is required this can be done through adjustment to the magnetic cam arm Note that limit range can be impacted from 85 to 89 degrees by sliding the main board up and down in its slot Always adjust for a level arm in the HORIZONTAL POSITION There is a small set screw in the side of the cam arm which can be loosened to allow the cam arm magnet to reach the close limit sensor located on back of controller H2 earlier or later in its travel Continue to open and close the gate while adjustin
26. g until a satisfactory horizontal stopping point can be maintained Afterwards re secure set screw in cam arm NOTE In some cases additional adjustments may be required after the belt wears in When stopping in the open position the arm will stop just before the full vertical position NOTE To prevent entrapment allow for two 2 feet minimum clearance past end of arm when in down position OPERATION AND MAINTENANCE IMPORTANT SAFETY INSTRUCTIONS A amp WARNING To reduce the risk of SEVERE INJURY or DEATH 1 READ AND FOLLOW ALL INSTRUCTIONS 2 NEVER let children operate or play with gate controls Keep the remote control away from children 3 ALWAYS keep people and objects away from the gate NO ONE SHOULD CROSS THE PATH OF THE MOVING GATE 4 Test the gate operator monthly The gate MUST reverse on contact with a rigid object or stop when an object activates the non contact sensors After adjusting the force or the limit of travel retest the gate operator Failure to adjust and retest the gate operator properly can increase the risk of INJURY or DEATH 5 Use the emergency release ONLY when the gate is not moving 6 KEEP GATES PROPERLY MAINTAINED Read the owner s manual Have a qualified service person make repairs to gate hardware 7 The entrance is for vehicles ONLY Pedestrians MUST use separate entrance 8 Disconnect ALL power BEFORE performing ANY maintenance 9 ALL maintenance MUST be performed by a
27. gnals are not obstructed or impeded by building structures natural landscaping or similar obstruction A wireless contact sensor shall function under the intended end use conditions e One or more contact sensors shall be located on the inside and outside leading edge of a swing gate Additionally if the bottom edge of a swing gate is greater than 6 152 mm above the ground at any point in its arc of travel one or more contact sensors shall be located on the bottom edge f One or more contact sensors shall be located at the bottom edge of a vertical barrier arm CONCRETE PAD UNIT DIMENSIONS 3 1 2 The concrete pad for operator mounting should be approximately I 153 43 u2 l 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 NOTE n 450 Pad should always extend below frost line in regions where ground will freeze 41 1 2 41 1 2 ANCHORS MOUNTING UNIT she 26 12 Proper anchors for fastening operator to pad will be a 1 2 x6 wedge anchor patterned to match the mounting base of the unit They should be installed with approximately 1 1 4 showing above concrete surface in order to allow for the 1 2 thick base plate as Isle well as washers for leveling 17 ue NOTES oo e For automotive use only no motorcycles bicycles or Pad 24 x24 ped
28. installing the batteries MASTER SECOND WIRING STEP 1 In a master second configuration either unit can be the master Choose one unit to be the master and then direct all control wiring to it also install vehicle detectors and receivers in it STEP 2 At the MASTER any input at J5 with control detectors receivers keypads timers etc wires to it must also be run to the same terminals of the second Along with these control wires both operators MUST share a common ground connection from chassis to chassis or from common to common i e master gate J5 terminal 12 to second gate J5 terminal 12 EXAMPLE If only open and close are used at master then three wires will run between gates Figure 2 STEP 3 If it is required that if one gate senses an obstruction the other reverses also then 3 additional wires must be run between the master J3 and second J3 Figure 3 These connections are for transmitting IRD obstruction signals between both units This will allow the master or second to inform the other that a closing obstruction has occurred and for it to reverse and open SET switches on S2 1 8 the same on both gates FIGURE 1 Black Lead 12 VDC Battery Jumper 12 VDC Battery Red Lead Failure to install batteries correctly will cause damage and will not be covered by warranty FIGURE 2 Master J5 123 45 6 7 8 9 10 11 12
29. irst then raises arm Break away mount design for the 12 15 x 3 tubular aluminum boom arm e Dynamic motor braking to preserve arm positioning All rust proof aluminum construction with white powder coat baked on enamel IMPORTANT NOTE BEFORE attempting to install operate or maintain the operator you must read and fully understand this manual and follow all safety instructions DO NOT attempt repair or service of your commercial door and gate operator unless you are an Authorized Service Technician TOOLS NEEDED FOR INSTALLATION During assembly installation and adjustment of the operator the tools listed below may be needed Wrench or Socket Set Phillips Head Screwdriver e C Clamps e Level e Small Screwdriver e T25 Torx Head Screwdriver e Molded Polyethylene UV stabilized cover never needs wax or paint excludes towers e Direct drive gear reducer eliminates many parts that might otherwise fail e State of the art MOSFET motor drive technology NO contactors or relays e Soft start and stop in open and close travel motions No limit switches to fail uses magnetic Hall Effect sensors to monitor arm position Maximum Run Timer for motor with anti tamper protection in closing direction e Each unit configurable as master or second operator e Safe 24 Vdc low voltage motor and control wiring e LED diagnostics for easy trouble shooting Closing timer adjustable from 1 31 seconds
30. izontal slide gate are guarded or screened from the bottom of the gate to a minimum of 4 1 2 m above the ground to prevent a 2 1 4 6 cm diameter sphere from passing through the openings anywhere in the gate and in that portion of the adjacent fence that the gate covers in the open position c All exposed pinch points are eliminated or guarded and guarding is supplied for exposed rollers 5 The operator is intended for installation only on gates used for vehicles Pedestrians must be supplied with a separate access opening The pedestrian access opening shall be designed to promote pedestrian usage Locate the gate such that persons will not come in contact with the vehicular gate during the entire path of travel of the vehicular gate 6 The gate must be installed in a location so that enough clearance is supplied between the gate and adjacent structures when opening and closing to reduce the risk of entrapment Swinging gates shall not open into public access areas 7 The gate must be properly installed and work freely in both directions prior to the installation of the gate operator 8 Controls intended for user activation must be located at least six feet 6 away from any moving part of the gate and where the user is prevented from reaching over under around or through the gate to operate the controls Outdoor or easily accessible controls shall have a security feature to prevent unauthorized use 9 The Stop and or Reset if provide
31. mally closed contacts of its open limit switch to the MEGA ARM J5 8 and one of the commons J5 79 12 Next run 2 wires from the MEGA ARM s K1 relay common amp normally open to the other operators common and open input WARNING max of 30 VOLTS at 5 amps through relay J5 78 was the unused SHADOW LOOP input on the MEGA ARM NOTE A separate open device 24 hour timer toggle switch can be run to the other operator to control it without raising the gate arm Tampering with the other operator s safety loops safely edges and reverse sensors WILL NOT cause the arm to raise if one tripped The arm will only raise if an intended open signal was sent to the MEGA ARM NOTES For motorized teeth vertical pivot or overhead operator leave S1 6 S1 8 OFF this will keep the K1 relay latched down until the arm reaches the down position This will keep the other gate operator locked open or teeth locked down until the arm closes completely In this mode if the arm senses an impact the K1 relay will stay energized holding open or teeth down the other operator until the arm times out and closes AMS TWO MEGA ARMS WITH MEMORY REQUIRES THE K1 RELAY OPTION Order SAMS KIT NOTE Can be used when you have two entry gates that you want to SEQUENCE with each other This is when you can only have ONE gate raised at a time bottle neck or gates at a cross street In this case which ever one raises first will get first priority while if the other
32. or use in a guarded industrial location or building such i as an airport security area or other restricted access locations not servicing the general public in which t unauthorized access is prevented via supervision by security personnel i SAFETY ACCESSORY SELECTION All UL325 compliant LiftMaster gate operators will accept external entrapment protection devices to protect people from motorized gate systems UL325 requires that the type of entrapment protection correctly matches each gate application Below are the six types of entrapment protection systems recognized by UL325 for use on this operator ENTRAPMENT PROTECTION TYPES Type A Inherent obstruction sensing system self contained within the operator This system must sense and initiate the reverse of the gate within two seconds of contact with a solid object Type B1 Connections provided for a non contact device such as a photoelectric eye can be used as a secondary protection Type B2 Connections provided for a contact sensor A contact device such as a gate edge can be used for secondary protection Type C Inherent adjustable clutch or pressure relief valve Type D Connections provided for a control requiring continuous pressure to operate the operator open and close Type E Built in audio alarm Examples include sirens horns or buzzers NOTE UL requires that all installations must have warning signs placed in plain view on both sides of the gate to warn
33. pedestrians of the dangers of motorized gate systems WARNING Moving Gate Can Cause Injury or Death KEEP CLEAR Gate may move at any time without prior warning Do not let children operate the gate or play in the gate area This entrance is for vehicles only Pedestrians must use separate entrance UL325 ENTRAPMENT PROTECTION REQUIREMENTS GATE OPERATOR ENTRAPMENT PROTECTION UL325 Slide Gate Operator Swing amp Gate Barrier Installation Arm Operator Class Primary Secondary Primary Secondary Type ype Type Type Class B1 B2 A B1 B2 I amp Il A or D Aare or C Class III A Blor A B1 B2 A B1 B2 A B1 B2 ass B2 DorE orC C DorE Class IV A B1 B2 A B1 B2 A B1 B2 A B1 B2 or D DorE Cor D C DorE The chart above illustrates the entrapment protection requirements for each of the four UL325 classes In order to complete a proper installation you must satisfy the entrapment protection chart shown above That means that the installation must have one primary means of entrapment protection and one independent secondary means of entrapment protection Both primary and secondary entrapment protection methods must be designed arranged or configured to protect against entrapments in both the open and close directions of gate travel For Example For a slide gate system that is installed on a single family residence UL325 Class
34. r Fully seat pin in shaft by taping on large end Reinstall the arm if required Turn on AC power and connect batteries Turn off S 3 to put gate into operation A w N O O ON DD Ci EVERY EVERY EVERY EVERY PROCEDURE 3 MONTHS 6 MONTHS 12 MONTHS 24 MONTHS To avoid SERIOUS PERSONAL INJURY or DEATH from electrocution disconnect ALL electric power BEFORE performing ANY maintenance BATTERY DISPOSAL Replaced batteries must be treated as a hazardous waste and disposed of in accordance with State Local and Federal Regulations See the battery manufacturer s Material Safety Data Sheets 01 30839 MSDS Sheets Battery Standard BATTERY REPLACEMENT Service Kits are available for battery replacement Please contact Technical Support see back of this document for contact information BATTERY MAINTENANCE TESTING The batteries are maintenance free However to insure proper and safe operation it is recommended that the batteries be replaced every two years Battery testing is conducted automatically See the Battery Test Description section for manually initiating the battery test BATTERY HANDLING STOBAGE Refer to the battery manufacturer s Material Safety Data Sheets 01 30839 MSDS Sheets Battery Standard LiftMaster does not recommend storage of batteries in the field Batteries are intended for immediate use TROUBLESHOOTING WARNING DISCONNECT BATTERIES AND AC POWER BEFORE SERVICING ANY MECHA
35. sive environments incorrect installation or application the batteries or incorrect battery installation operation without or failure to use correct battery type damage to arm bracket and or gear reducer due to use of incorrect arm The warranty set forth above is entirely exclusive and no other warranty whether written or oral is expressed or implied LiftMaster specifically disclaims any and all implied warranties merchantability or fitness for a particular purpose It is the purchasers sole and exclusive responsibility to determine whether or not the equipment will be suitable for a particular purpose In no event shall LiftMaster inc be held liable for direct indirect incidental special consequential damages or loss of profits whether based on contract tort or any other legal theory during the course of the warranty or at any time there after The installer and or end user agree to assume all responsibility for all liability in use of this product releasing LiftMaster of all liability WARNING MEGA ARM NOT FOR USE WITH MOTORCYCLES BICYCLES OR PEDESTRIANS YOU MUST PROVIDE APPROPRIATE SIGNAGE BEFORE ACTIVATING THE UNIT NEVER ALLOW CHILDREN TO PLAY NEAR OR OPERATE AUTOMATIC GATES IN ORDER TO INSTALL AND USE THE MEGA ARM YOU MUST UNDERSTAND AND BE IN FULL UNCONDITIONAL AGREEMENT WITH ALL STIPULATIONS OUTLINED ABOVE IF YOU ARE NOT IN FULL AGREEMENT DO NOT PUT UNIT INTO OPERATION IF OPERATOR IS PUT INTO OPERATION THIS WILL BE CONFIRMATION
36. stripes requires MA117 Articulating PVC folding Arm 9 with hardware kit Hardware Kit Only for MAO34 PVC Arm 9 Only for MAO34 Articulation Aluminum folding Arm 10 without hardware kit with yellow black stripes Includes required relay and limits Includes surge suppressor wire jumper duplex box covers and detailed instructions OPERATOR NOTES OPERATOR NOTES WARRANTY POLICY You must read understand and agree with all items in the limited warranty LiftMaster warrants the MEGA ARM UL to be free of defects in workmanship and materials for a period of 2 years for electronics and mechanical components and includes a 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 0 B the factory Freight is not included at any time on gate arms and chassis ONLY UPS ground freight is included during the first year of warranty The warranty will not apply the following circumstances which are considered beyond our control Mis use vandalism accident neglect unauthorized repairs or modifications acts of God lightning floods insect damage etc power surges units subjected to corro
37. t the WHITE wire to the incoming neutral lead Connect the GREEN wire to the ground Black Green White 120 Vac Ground Top End of 4 x4 Tube Pedestal Version 230 Vac Please purchase the 120 to 230 Vac conversion kit for 230 Vac operation See Accessory page 6 CLOSE When used with a vehicle detector it is recommended that the presence contacts N O amp C be used for the close input This input will close gate after input is applied and then removed It will stop the open cycle and reverse gate to close Example Car crosses over close loop before arm reaches full open position gate will reverse and close NOTE The close input also acts as a safety stop in that if gate is closing and a tailgater is sensed at the close input the gate WILL STOP its closing motion and not continue to close until the close input is removed or gate is re opened 7 BACK AWAY FREE EXIT INPUT This input is used as a free exit input to open gate When input is active gate will open and close immediately once input is removed EXAMPLE Car pulls up to exit loop gate opens car backs away from exit loop and gate closes 8 SHADOW SAMS Used to monitor an auxiliary open limit switch of another operator in the same lane SAMS with memory feature see page 18 9 10 11 12 COMMON These are the commons 0 Vdc to be used to activate above inputs NOTE Above inputs are tied to LED indicators to show input command activity
38. ttom of PCB the last 2 wires on the right J4 7 J4 8 normally are blue then orange They must be reversed to be J4 7 orange then J4 8 blue Figure 2 STEP 3 After completing the steps above the cam arm which adjusts the limiting points of the arm s travel must be turned 90 degrees to the left when viewed while standing in front of the control board Figure 3 cam arrow now points in the direction of the arm and is level with mount bracket note the small limit sensors on the back of the PCB STEP 4 Now check to make sure that S1 7 is on Figure 1 motor wires are reversed the cam is adjusted and that the manual open close switch S3 is set to close Next turn on the AC power and connect the batteries Now run the gate open and close with the S3 manual switch making sure that the mechanism travels in the proper 90 degrees desired Once you are totally sure you have the correct operation you can install the arm INSTALLATION NOTE ARMS LONGER THAN 12 MUST USE THE PROPER COUNTER WEIGHT FIGURE 1 S1 Ro S1 7 to be turned ON before power up to enable reverse of arm FIGURE 2 Battery Acc Acc Black Red Xfmr Motor EFFERRE Yellow Blue Orange FIGURE 3 eA di Arm shown in reversed direction Output Shaft of Gear Box TIMERS AND MODE SELECTIONS 1 amp 2 MODE SELECTIONS SWITCH PACK S1 3 8 SWITCH 5 ON Will allow J5 input 4 to operate as a pulse Shows open pulse
39. versed and re opened the arm or if the S2 7 timer to close is turned on The default will keep the gate up for 4 seconds to allow the vehicle to be moved from the gate arm path Changing settings 1 5 will increase or decrease this hold open time The default of 3 ON and 1 2 4 5 Shows OFF will provide a 4 second close time delay Default Seconds 1 2 4 8 16 i Settings MODE SELECTIONS SWITCH PACK S2 6 8 SWITCH 6 INPUT MEMORY Activates multiple vehicle memory at auxiliary input terminal 4 on J5 SWITCH 7 AUTO CLOSE TIMER Default is OFF On will close gate by timer when all inputs are cleared Time is set by using S2 1 5 switches WARNING Special care should be used to avoid arm from closing on cars Use safety loops stop loops photo beams and a long enough time delay NOTE Can be used with multiple vehicle memory buffer to allow gate to close and reset count memory to zero When using clutch Close Timer 1 5 j Mode Selection 6 8 option turning on S1 6 amp S2 7 gate will close by timer whenever forced up SWITCH 8 AUTO OPEN ON POWER FAILURE When switch number 8 is in the ON position the operator will automatically open the gate approximately 15 seconds after the loss of power Once power is restored the operator will resume normal operation after the first car passes closing loop or if close timer 2 7 in turned on it is recommended to allow the gate to close by loop not by timer
40. with on off selection Transient voltage protection on all inputs e Capable of being powered from 120 or 230 Vac or UL Listed Class 2 Solar Power e On 120 Vac installations unswitched duplex outlet gives convenient supply for 120 Vac accessories 10 year perforation warranty on cover and chassis with 2 years on electronics and mechanism NOTE If the operator is installed in a region where temperatures regularly go below 30 F then it is recommended that the optional heater is installed Refer to the accessory page UL325 MODEL CLASSIFICATIONS CLASS RESIDENTIAL VEHICULAR GATE OPERATOR A vehicular gate operator or system intended for use in a home of one to four single family dwellings U i WU or a garage or parking area associated therewith CLASS Il COMMERCIAL GENERAL ACCESS VEHICULAR GATE OPERATOR A vehicular gate operator or system intended for use in a commercial location or building such asa multi family housing unit five or more single family units hotel garage retail store or other building servicing the general public CLASS IlI INDUSTRIAL LIMITED ACCESS VEHICULAR GATE OPERATOR A vehicular gate operator or system intended for use in a industrial location or building such as a factory or loading dock area or other location not intended to service the general public CLASS IV RESTRICTED ACCESS VEHICULAR GATE OPERATOR A vehicular gate operator or system intended f
41. you to the possibility of serious injury or death if you do not comply with the warnings that accompany them The hazard may come from something mechanical or from electric shock Read the warnings carefully When you see this Signal Word on the following pages it will alert you to the possibility of damage to your gate and or the gate operator if you do not comply with the cautionary statements that accompany it Read them carefully UNIT OVERVIEW The LiftMaster model MEGA ARM barrier style parking gate operator is unique in the industry Setting the MEGA ARM apart are many features that make it the front runner in its class Built in battery run inherent 24 Vdc backup power with regulated 24 Vdc for accessories High torque 24 volt Permanent Magnet DC motor Full service controller with eight inputs and LED indicators for loops card reader radio etc Reversible arm direction for right or left handed operation Instant Reverse Device IRD monitor senses obstructions during motion Automatic open of gate arm when power is lost if desired with 15 sec delay selection Raise gate input memory will memorize multiple vehicles ideal for bar code scanners and AVI Ability to STOP arm in close travel if tail gating is sensed at close loop Anti tail gate alarm fires K1 relay to trigger a warning device when tail gating is sensed SAMS with memory allows Mega Arm to open a slide swing gate f
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