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48 of 53 

Doc 6001242 (01-20273) 

Rev C 

CONNECTORS 

LIMIT SWITCH (J4)  Connector for the left/right limit switch cable. 
BATTERY I/O (J11)  Connector for use by the Power Fail Operation unit. 
PWR INPUT (J1) 

Connector for AC input power. 

MOTOR POWER (J3) 

Connector for the motor cable. 

LOOP DETECTOR   Connector for optional LiftMaster Outside Interrupt Loop detector  
(J15) 

  add-on 

board. 

LOOP DETECTOR  Connector for optional LiftMaster Inside Interrupt Loop detector add- 
(J12) 

  on 

board. 

LOOP DETECTOR   Connector for optional LiftMaster Shadow Loop detector add-on  
(J13) 

  board. 

LOOP DETECTOR   Connector for optional LiftMaster Exit Loop detector add-on board. 
(J14) 
 
 

Summary of Contents for LiftMaster SW 2000-B1

Page 1: ...CTIONS INSTALLATION AND OPERATION INSTRUCTIONS INSTALLATION AND OPERATION INSTRUCTIONS INSTALLATION AND OPERATION INSTRUCTIONS FOR THE FOR THE FOR THE FOR THE MODEL MODEL MODEL MODEL SW 2000 SW 2000 SW 2000 SW 2000 B1 B1 B1 B1 SWING GATE OPERATOR SWING GATE OPERATOR SWING GATE OPERATOR SWING GATE OPERATOR 68 BOARD 68 BOARD 68 BOARD 68 BOARD ...

Page 2: ...16 K POWER FAIL OPERATION OPTION CONNECTION 18 L CONNECTING INPUT WIRING 19 M POST INSTALLATION PROCEDURES 20 N FINAL ASSEMBLY OF GATE OPERATOR 23 PART 3 MASTER SLAVE OPERATION 24 A WHAT IS MASTER SLAVE OPERATION 24 B MASTER SLAVE GATE CONFIGURATIONS 24 C MASTER SLAVE WIRING 25 D MASTER SLAVE SETUP PROCEDURE 26 E MASTER SLAVE INSTALLATION DETAILS 27 PART 4 MODEL SW 2000 B1 OPTIONS 33 A LIFTMASTER ...

Page 3: ...djustment offsets initial inrush current to the motor Automatic fault Re Try causes the gate operator to retry an operation twice following a fault condition Selectable Automatic Gate Closure feature closes the gate when power is restored after an outage unless gate is at open limit Two 115 VAC accessory plugs provided 24 VAC accessory power provided 80 1 worm gear reduction Output torque limiter ...

Page 4: ... area of gate movement Gate operators and associated control equipment should be installed by qualified professional installers who should observe the following safe installation procedures 1 Power should always be disconnected whenever installing wiring or servicing a gate operator Moving chains and belts in gate operators can catch clothing or fingers and cause severe injury 2 Installation of wi...

Page 5: ...should try to discharge any static before handling the circuit boards WARNING Damage caused by static discharge and lightning is not covered by warranty 4 PROVIDE POWER FROM A DEDICATED SOURCE The outlet into which you connect the Gate Operator should be wired to its own circuit breaker This will reduce the line noise introduced into system power and minimize the risk of having other equipment int...

Page 6: ...the complex toward the street Figure 1 shows a typical Bi Parting gate in standard and compact installations 1 Always install gate operators inside of the fence line NEVER on the public side of the fence 2 Mount all manual controls and activating devices at least 6 ft away from the gate for safety 3 Allow enough clearance around the gate and the gate operator for installation and service ...

Page 7: ... the pad should be level and about 4 above grade to prevent water entrance 3 Four anchor bolts are required to secure the gate operator to the pad The mounting holes in the gate operator are 5 8 in diameter Red Head bolts x 3 are recommended 4 Be sure to provide access for wiring conduits In Master Slave systems remember to include conduit stubs for separate inputs if any and for the Master Slave ...

Page 8: ...ctor can come from the auxiliary 115 VAC plugs in the gate operator or from the 24 VAC provided by the gate operator control board 2 Conduit provisions should be made for the loop wire entrance to the loop detector 3 The shelf space provided is approximately 4 x 10 x 5 high Shelf space on systems without the Power Fail Operation Option is about 10 x 10 x 5 NOTE Optional LiftMaster supplied loop de...

Page 9: ...nd parts 4 Remove the 4 bolts that attach the gate operator to the shipping pallet 5 Mount gate operator on the cement pad using the previously installed anchors Be sure the operator mounting is level and square and that the gate operator control box faces away from the gate 6 Connect the power conduit into the switch box 7 Reinstall the Swing Arm Cap assembly and finger tighten the large mounting...

Page 10: ...ft for a Right Gate or to the right for a Left Gate If the system was ordered with the Power Fail Operation option 3 The power failure gate opening direction is set by switch S3 located next to switch S2 on the control board Set switch S3 left for clockwise or right for counterclockwise opening E POWER UP PROCEDURE 1 Turn on circuit breaker that provides power to gate operator 2 On Manual Input Te...

Page 11: ... installation and making the limit cam adjustments To open the gate connect the OPEN and STOP terminals to the COMMON terminal To close the gate connect the CLOSE and STOP terminals to the COMMON terminal To stop the gate disconnect the STOP terminal from the COMMON terminal IMPORTANT NOTE If the STOP terminal is disconnected from the COMMON terminal the gate is prevented from moving and no comman...

Page 12: ...s shown in Figure 6 3 Measure and cut the swing arm to length Attach swing arm to swing arm cap assembly with gate stop on driveway side using supplied hardware or by welding WARNING Installing gate stop on the wrong side will cause damage to the gate operator 4 Measure and cut Drag Link pipe to length then insert spherical rod end assembly into pipe and tighten locking nut 5 Attach welded end of ...

Page 13: ...GATE LIMIT CAMS Figure 7 Setting Right Gate Limit Cam 1 Make sure that switch S2 is set to the Left position 2 Turn on gate operator power switch 3 Using manual CLOSE and STOP move the gate to its proper closed limit position 4 Loosen the locking screw on the bottom limit cam and turn the cam clockwise until it just barely closes the limit switch 5 Retighten the limit cam locking screw 6 Using man...

Page 14: ...n the bottom limit cam and turn the cam clockwise until it just barely closes the limit switch 5 Retighten the limit cam locking screw 6 Using manual CLOSE and STOP move the gate to its proper closed limit position 7 Loosen the locking screw on the top limit cam and turn the cam counterclockwise until it just barely closes the limit switch 8 Retighten the limit cam locking screw 9 Open and close t...

Page 15: ... full clockwise and maximum sensitivity is full counter clockwise These adjustments must be made while the gate is in motion Before starting the adjustments verify that the Overload pot is set to 3 00 o clock the Left and Right reverse pots are set fully clockwise and the Inrush pot is set to the 11 o clock position see Figure 9 Make all adjustments in the order listed Figure 9 Gate Sensitivity Ad...

Page 16: ...p the leading edge of the gate to simulate an obstacle 3 If the gate does not stop or back up reopen the gate and adjust the pot slightly counterclockwise 4 Repeat steps 1 3 until the gate stops or backs up when bumped and has the desired sensitivity 3 INRUSH CURRENT ADJUSTMENT R119 1 Turn the pot fully counterclockwise 2 Initiate opening the gate 3 If the gate stops due to a fault condition sligh...

Page 17: ... from closing When the Loop clears the gate resumes closing If gate is opening or fully open as soon as the Loop clears the gate immediately begins closing to discourage tailgaters Dynamic Braking When SLIDE is ON gate brakes whenever it stops When SLIDE is OFF gate brakes only at open or close limit TIMER Sets the Reclose Timer to OFF left or ON right When enabled the timer controls S1 2 how long...

Page 18: ...reclose time NOTE Pot in figure is set to 0 seconds 1 To enable the Timer set switch S1 2 TIMER to the ON right position 2 Turn the pot fully counterclockwise 3 Open the gate Gate should close almost immediately when it reaches the open limit 4 Adjust the pot slightly clockwise 5 Open the gate Note the delay between the gate reaching the open limit and starting to close 6 Repeat steps 4 and 5 unti...

Page 19: ...the Power Fail Operation option Because the battery may not be fully charged at the time of the test we strongly suggest moving the gate only one foot when performing the power fail test 1 Set Power Fail switch S3 to the same position as switch S2 Figure 4 2 Turn on gate operator power switch 3 Using the manual controls Figure 5 initiate gate opening then stop the gate about one foot short of its ...

Page 20: ...Remove the plastic control box cover See NOTES next page before proceeding 2 Wire all external control devices to their connections on the control board as shown See Appendix A for details on how each control input affects the gate operator 3 Connect the Master Slave interconnect cable see Part 3 ...

Page 21: ...that switch S2 the Gate Open Direction switch is set to the correct position 3 Turn on the unit power switch on master slave systems turn on slave and then master 2 Manual inputs 1 Verify that Manual Open fully opens the gate and that the open limit switch stops the gate 2 Verify that Manual Close fully closes the gate and that the close limit switch stops the gate 3 Verify that Manual Stop stops ...

Page 22: ...ot use ATG ON and TIMER ON in procedures 8 and 9 that follow 8 Reclose Timer 1 If you want a fully open gate to automatically close after a period of time on switch S1 set TIMER to ON and adjust Reclose Timer pot R94 to set the time period 2 If you don t want the gate to close automatically on switch S1 set TIMER to OFF 3 Activate any entry command except Manual OPEN to open the gate and verify th...

Page 23: ...it for the Shadow loop input to be effective 11 Interrupt Bar While the gate is opening push on the Interrupt Bar The gate should stop 12 Maglock Verify that the maglock activates when the gate is fully closed 13 Automatic Gate Closure 1 To automatically close a fully open gate after power is restored on switch S1 set TIMER to ON 2 Open the gate fully then cycle the unit power switch to verify Aut...

Page 24: ... one minute 2 Disconnect Drag Link from Anchor then loosen mounting bolt and remove Swing Arm Cap Assembly and Drag Link Assembly from drive shaft Set this assembly aside 3 Install clear cover on gate operator control box 4 Make sure that gate operator unit power switch is turned on 5 Install gate operator cover and secure with four bolts 6 Replace Swing Arm Cap Assembly and Drag Link Assembly on ...

Page 25: ...ecommend using the smart method for the following reasons 1 Synchronization Gate actions opening closing etc are synchronized in Master Slave operation 2 Added safety A fault in one unit affects both units providing added safety to the system 3 Reduced wiring Inputs radio exit loops etc need be wired to only one unit in some Master Slave configurations 4 Simplified gate setting Gate controls ATG R...

Page 26: ...rd To prevent cross talk between Master Slave wires and power or input wires use shielded cable or run the Master Slave wires in a separate conduit Use two 18 14 AWG twisted pair wires or a shielded cable containing 2 twisted pair wires for Master Slave Interconnection To ensure a reliable communication between Master and Slave units the maximum allowable wire length is 3000 feet NOTE Be sure to c...

Page 27: ...therwise the ATG ON shorter Reclose Timer Retry ON in either unit supersedes the other o Master and Slave units can have different settings p Inputs affect both gate operators so connect to one unit only Inputs affect one gate operator only so connect inputs separately to each gate operator For safe and reliable operation this setting MUST be the same for both units see Appendix A SLAVE UNIT SWITC...

Page 28: ...ontinuous FIRE input in either gate opens the gates and holds them open There are 3 different ways to close the gates entering or exiting 1 Reclose Timer When the Reclose Timer expires gates close automatically 2 ATG and Interrupt Loop With ATG ON clearing the Inside Interrupt Loop closes the gates 3 Alternate Action With ATG and TIMER OFF RADIO or CYCLE commands will close fully opened gates INPU...

Page 29: ... input in either gate opens the gates and holds them open There are 3 different ways to close the gates entering or exiting 1 Reclose Timer When the Reclose Timer expires gates close automatically 2 ATG and Interrupt Loop With ATG ON clearing the Inside Interrupt Loop closes the gates 3 Alternate Action With ATG and TIMER OFF RADIO or CYCLE commands close fully open gates WARNING The Power Fail Op...

Page 30: ... Timer Unit Option Retry Unit Option ATG ON Master ON Trap ON SWITCH S1 SETTINGS Slide Unit Option Timer Unit Option Retry Unit Option ATG OFF Master OFF Trap OFF 1204F22 Master Slave Cable Affects both units Figure 18 Typical Trap Gate Installation HOW IT WORKS In normal operation one gate must completely close before the other opens so only one gate is open at a time As soon as one gate closes t...

Page 31: ...aph L Connecting Input Wiring Master and Slave units require their own separate inputs If Radio inputs are used in both units each requires its own transmitter and entry code MASTER UNIT SWITCH S1 SETTINGS AND INPUTS Gate Type SLIDE ACTION Reclose TIMER RETRY ATG MASTER TRAP Operator Inputs Trap Unit Optionn Unit Optionn Unit Optionn ON ON ON Unito SLAVE UNIT SWITCH S1 SETTINGS AND INPUTS Trap Uni...

Page 32: ...TCH S1 SETTINGS Slide Unit Option Timer Unit Option Retry Unit Option ATG OFF Master ON Trap ON SWITCH S1 SETTINGS Slide Unit Option Timer Unit Option Retry Unit Option ATG Unit Option Master OFF Trap OFF 1204F23 Master Slave Cable Affects both units Figure 19 Typical Tandem Gate Installation HOW IT WORKS When a vehicle is entering or exiting the inside Master gate opens first When the Master is c...

Page 33: ...de Interrupt Loop causes the gate to close Slave unit only INPUT CONNECTIONS for more details refer to Part 2 Paragraph L Connecting Input Wiring MASTER UNIT SWITCH S1 SETTINGS AND INPUTS Gate Type SLIDE ACTION Reclose TIMER RETRY ATG MASTER TRAP Operator Inputs Tandem Unit Optionn Unit Optionn Unit Optionn OFF ON ON o SLAVE UNIT SWITCH S1 SETTINGS AND INPUTS Tandem Unit Optionn Unit Optionn Unit ...

Page 34: ...ntil AC power is restored When AC power is restored the battery is charged up to its full potenial then continuously trickle charged Recharging takes from one to five hours depending on the weight of the gate and how far it moved during the outage The age of the battery also increases the battery charging time NOTE Battery capacity decreases over time Battery should be replaced every two or three ...

Page 35: ...ION HIGH VOLTAGE Measure with care Fault Causes Refer to the end of troubleshooting section 1 OPERATOR IS DEAD When the unit power switch is cycled no LED turns on 1 The main circuit breaker is off 2 The unit power switch is off 3 The input power connector is not connected securely to the Control Board 4 Low input AC voltage 5 Bad Control Board 2 OPERATOR DOES NOT RUN When the unit power switch is...

Page 36: ...ings 2 A Fault has occured Inrush pot adjustment is set too low Power Fail Option was installed recently 3 Gate sensitivity adjustments were not reset after installation of the Power Fail Option 4 A Fault has occured 6 GATE STOPS A FEW SECONDS AFTER IT STARTS 1 Stuck limit switch 2 Limit cams overrun the limit switches prior to gate movement due to loose torque limiter 3 A Fault has occured 7 GATE...

Page 37: ...ated momentarily not continuously 14 GATE DOES NOT CLOSE AUTOMATICALLY 1 Reclose timer setting is OFF 2 The entry system is connected to Manual open by mistake 3 An input is continuously activated stuck 15 OPERATOR DOESN T RESPOND TO COMMANDS FOR A MINUTE 1 A fault has occurred and Retry is set to OFF 16 ALTERNATE ACTION DOES NOT WORK 1 ATG and Reclose Timer are ON 2 Entry system is connected to t...

Page 38: ...ol board 22 POWER FAIL OPTION MOVES THE GATE TOO SLOWLY 1 Old or not fully charged battery 2 Hardened or frozen gate hinges 3 Slipping torque limiter or belt 4 Belt is too tight 23 THERE IS SLACK OR PLAY IN THE GATE 1 Chain is too loose 2 The hardware interconnecting the operator to the gate is not tight 3 The large mounting bolt or the jam nut for the cap arm is not tight 4 Set screws on the spro...

Page 39: ... Undersized power wires B FAULT LIST The following conditions can cause a fault in the SW 2000 B1 gate operator system 1 Interrupt Bar activation 2 Average motor overcurrent overload caused by excessive motor current 3 Instantaneous motor overcurrent left right reverse sense due to an impact on the gate 4 Maximum motor run time exceeding 75 seconds 5 Inoperative motor caused by an open motor windi...

Page 40: ... the gate sensitivity adjustments 6 A sudden increase in input power 7 Bad Control board 8 Belt is too tight 3 IF MAX RUN TIME LED IS TURNED ON ONLY 1 Limit cams do not engage the limit switches 2 The belt or chain has been broken 3 The belt or torque limiter slips during gate movement 4 Limit switch cable is disconnected 5 Bad limit switch 6 Stalled motor 4 IF OPEN MTR LED IS TURNED ON ONLY 1 The...

Page 41: ...n set screws if loose 5 Torque limiter must not slip factory setting is 75 ft lb Tighten set screws if loose 6 Limit switches contacts must bounce back rapidly when they are pressed and released 7 Belt Check for wear and tension 25 to 30 lb Adjust the AC motor up or down to set proper tension 8 Pulleys must all line up and be firmly secured to their shafts Tighten set screws if loose 9 Gear Box Ch...

Page 42: ...wer to the gate operator at the circuit breaker and wait for one minute 2 Inspect Gate Arm Swing Arm Cap Assembly Swing Arm and Drag Link Assembly for wear and hardware tightness Check its box in the Maintenance Schedule 3 Disconnect Drag Link from Anchor then loosen mounting bolt and remove Swing Arm Cap Assembly and Drag Link Assembly from drive shaft Set this assembly aside 4 Push and pull the ...

Page 43: ...e maintenance schedule Write the inspection date in the left hand box and check the boxes across as you perform your maintenance procedures MAINTENANCE SCHEDULE TABLE Date Arm Gate Chain Sprocket Torque Limiter Limit Switches Belt Pulleys Gear box Control Board Wiring No Rust Fire Open Gate Sense PFO ...

Page 44: ...OPERATION REFERENCE CONTROLS INDICATORS INPUTS AND ADJUSTMENTS For control and indicator locations refer to the figure below For detailed explanations of the Gate Operator s various controls indicators inputs and adjustments refer to the pages that follow ...

Page 45: ...ing a power outage if the gate is fully open and TIMER is ON the Reclose Timer starts after the restoration of power causing the fully open gate to close automatically RETRY Sets the Retry function to OFF left or ON right When enabled if the gate meets S1 3 an obstacle a closing gate reverses and an opening gate stops waits 30 seconds then tries to resume The gate will re try twice before it fault...

Page 46: ...activation holds gate open MAN OPEN overrides Anti Tail gate ATG Reclose Timer and all controls but MAN STOP MAN CLOSE Activation fully closes the gate Continuous activation holds gate closed MAN CLOSE overrides all controls but MAN STOP MAN OPEN and FIRE MAN STOP De activation stops opening and closing gates MAN STOP overrides Reclose Timer and all other controls manual or automatic If MAN STOP i...

Page 47: ...op clears the gate begins closing Gate opening or closing activation halts a closing gate When the Interrupt Loop clears an opening gate closes and a closing gate resumes its course INSIDE INTERRUPT LOOP with SLIDE ON and ATG OFF Gate fully open or closed activation prevents the gate from closing only Gate opening or closing activation fully opens a closing gate and starts the Reclose Timer if tim...

Page 48: ... current R71 If RETRY is ON when the limit is exceeded a closing gate reverses a few inches and stops and an opening gate stops waits 30 second then tries to resume The gate will retry twice before faulting out NOTE Gate may be more sensitive to drag in one direction than the other NOTE For swing gate operation controls are Right Clockwise and Left Counterclockwise REVERSE Adjustable pot controls ...

Page 49: ... power MOTOR POWER J3 Connector for the motor cable LOOP DETECTOR Connector for optional LiftMaster Outside Interrupt Loop detector J15 add on board LOOP DETECTOR Connector for optional LiftMaster Inside Interrupt Loop detector add J12 on board LOOP DETECTOR Connector for optional LiftMaster Shadow Loop detector add on J13 board LOOP DETECTOR Connector for optional LiftMaster Exit Loop detector ad...

Page 50: ...re to observe this will damage both controller boards 2 Do not parallel wire the MAGLOCK terminals Auxiliary device circuits may be damaged if separate auxiliary devices are used with each board 3 Both gate operators must have the same settings for a Gate Setting Switch S1 b Reclose Timer Pot c Current Sensitivity pots Left Right Reverse Inrush d Limit Cams CAUTION The Signal and Common terminals ...

Page 51: ...ides drive to gate operator 7 Pillow Blocks Support drive shaft 8 Tray Assembly Convenience tray holds optional equipment 9 Torque Limiter Transmits drive power to chain not shown 10 Idler Assembly Maintains tension on chain not shown 11 Drive Shaft Transmits power to swing arm drag link assys 12A B Limit Cams Limit Switch Assy Stops motor when gate reaches limit 13A B Swing Arm Cap Assy Rel Pin P...

Page 52: ...s the gate has reached its open or close limit causing the gate to stop There are two limit switches open and close Limit cam An object which its excursion corresponds to the gate traveling distance and closes the limit switch at the open or close limit of the gate Loop sensor A wire embedded in the ground for magnetically sensing large metallic objects cars Exit or Open Loop activation opens the ...

Page 53: ...n The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations Repairs to certified equipment should be coordinated by a representative designated by the supplier Any repairs or alterations made by the user to this equipment or equipment malfunctions may give the telecommunications company cause to request the user to disconnect t...

Page 54: ...Master The software and firmware included in the LiftMaster product as they relate to this documentation are also protected by copyright and contain information proprietary to LiftMaster FOR TECHNICAL SUPPORT Call our toll free numbers 800 323 2276 800 998 9197 Installation and service information is available six days a week TO ORDER REPAIR PARTS Call our toll free numbers 800 528 2806 800 998 91...

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