Chamberlain LiftMaster Professional SW425 Owner'S Manual Download Page 1

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Serial # ________________________
(located on electrical box cover)

Installation Date __________________

2 YEAR WARRANTY

MODEL SW425 IS FOR USE ON VEHICULAR PASSAGE

GATES ONLY AND IS NOT INTENDED FOR USE ON

PEDESTRIAN PASSAGE GATES

OWNER’S MANUAL

MODEL SW425

RESIDENTIAL SWING GATE OPERATOR

Summary of Contents for LiftMaster Professional SW425

Page 1: ... electrical box cover Installation Date __________________ 2 YEAR WARRANTY MODEL SW425 IS FOR USE ON VEHICULAR PASSAGE GATES ONLY AND IS NOT INTENDED FOR USE ON PEDESTRIAN PASSAGE GATES OWNER S MANUAL MODEL SW425 RESIDENTIAL SWING GATE OPERATOR ...

Page 2: ...ION Preparation 10 Determine Gate Operator Location 10 Post Mounting 11 Pad Mounting 11 Control Arm Assembly 11 Gate Bracket and Pipe Arm Installation 12 WIRING Power Wiring Installation 13 Battery Run Installation 14 Solar Powered Installation 14 ADJUSTMENT Right Left Operation 15 Auto Close Timer Adjustment 15 Gate Sensitivity Adjustment 15 Limit Switch Adjustment 15 Control Connection Diagram 1...

Page 3: ...with larger wire Supply power to the operator with the low voltage battery run version of the SW425 To supply power to the SW425 Battery Run wire as small as 16 gauge can be run as far as 300 91 4 m from a charger that is plugged in remotely Because the power is low 12Vdc the wire can be direct burial wire which eliminates the need for expensive conduit runs Supply power to the SW425 with the sola...

Page 4: ...l close the gate automatically after a specific amount of time has elapsed The amount of time can be easily adjusted between 0 and 45 seconds by turning a small pot located on the edge of the circuit board page 15 The timer can be disabled or activated by flipping a single switch located on the top edge of the circuit board If the timer will be used it is recommended that some type of supplementar...

Page 5: ...on to another open device connected to Open Input so the gate can still be opened if necessary SAFETY INPUT Normally open devices are connected to terminals 4 and 6 on the SW425 circuit board to cause the gate operator to open and or hold the gate open in any position except the fully closed position Normally open safety input devices that can be used are push buttons radio receivers key switches ...

Page 6: ... 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 I you must provide the following As your primary type of entrapment protection you must prov...

Page 7: ... 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 provided separately must be located in t...

Page 8: ...2 37 mm Run twisted wire from loop to operator GATE SYSTEM MASTER SECOND SWING GATE GATE SYSTEM COMMERCIAL SWING GATE 1 1 2 37 mm 1 4 6 mm or larger depending on loop wire size STREET COMPLEX OR PARKING LOT 4 1 2 m Typical Run twisted wire from loop to operator Seal Loops Loop wire layer Interrupt Safety Loop Interrupt Safety Loop Photo eye for open cycle Telephone Entry System Shadow Loop Photo e...

Page 9: ...way that the arm will slip on the shaft in the event that an obstruction exists in the path of the gate The bolts for securing the primary arm should be tightened to a torque that will cause the gate to push with minimum force Tighten both bolts with equal torque then push on the end of the gate to determine the amount of force necessary to cause the arm to slip To prevent SERIOUS INJURY or DEATH ...

Page 10: ...led permanently First close the gate and make a mark on the ground below the gate at 36 91 cm from the hinge Open the gate and again make a mark on the ground at 36 91 cm from the hinge A line may then be drawn though the two marks on the ground The operator will then be placed so the shaft lies on the line Figure 3 Place the operator in its approximate location so that the center of the shaft is ...

Page 11: ...th into the ground or below the frost line For concrete pad mount installation first place the operator with concrete mounting stand at its desired location on the concrete surface It is necessary to first mark through the holes onto the concrete then remove the operator to drill the holes with a 3 8 masonry bit The operator may then be set back in place Insert the 3 8 concrete anchors into the ho...

Page 12: ...e not the same it will be necessary to adjust the length of the primary arm by loosening the two bolts on the primary arm Figure 12 Repeat the above measurements until the two measurements are equal Once equal securely tighten the two bolts on the primary arm The second arm is shipped in two pieces and must be assembled Connect the two pipe arm together with the pipe coupling and securely tighten ...

Page 13: ...t White to neutral Green to ground W I R I N G Figure 1 Figure 2 Conduit Holes Conduit Fitting Junction Box Flexible Conduit Line Neutral Ground Wire Nut 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 o...

Page 14: ...ather Be sure the battery has been properly charged before putting into operation NOTE Polarity must be correct SOLAR POWERED INSTALLATION If the gate operator is solar powered no power will need to be run into the machine The ends of the wires are provided with connectors which can simply be plugged in Figure 5 Turn the panel so that it will get maximum sunlight during the day If necessary the pa...

Page 15: ...at if the auto close timer function is used that there be additional safety equipment installed to prevent the gate from closing into a vehicle or pedestrian GATE SENSITIVITY ADJUSTMENT This step is for sensitivity adjustments on the full systems capability control board To make adjustments use a small screw driver to turn the adjustment pots clockwise for more sensitivity or counter clockwise for...

Page 16: ...be used to override the timer and close the gate prematurely N O STOP INPUT This input functions identical to N C Stop with the exception that it requires normally open contacts These contacts are connected to terminals 9 and 11 1 2 3 4 Radio Receiver Remove jumper if using N C Stop Push buttons key switches etc N C STOP INPUT Any device that is used to stop the gate operator while it is running i...

Page 17: ...ecommend that you follow the UL guidelines presented throughout the manual Installation device instructions Always follow the instructions provided by the manufacturer when installing and adjusting any control device If these instructions are contrary to the advice given here call for assistance NOTES All open and safety devices must have normally open contacts For devices requiring power refer to...

Page 18: ...or more than 45 seconds before it automatically closes The extended auto close timer may be hooked up as shown Figure 3 This optional timer can be adjusted to automatically close the gate after the gate has been open between 1 and 100 minutes The extended timer will add time onto the auto close timer already on the board For more control reduce the timer adjustment on the main control board to zer...

Page 19: ...ING WARNING MAINTENANCE The SW425 is designed to be maintenance free However for optimum performance and safety the following maintenance procedures should be taken SENSITIVITY ADJUSTMENTS The most important thing to maintain on any gate is the safety equipment As the gate becomes older the amount of force necessary to move the gate will vary When this happens the sensitivity adjustments may need ...

Page 20: ...op in mid travel It may be necessary to lubricate any mechanical parts on the gate such as wheels and clean the gate track of any debris Check the limit switch input LEDs on terminals 1 and 3 to see if either one is illuminated If one of the limit switch input LEDs is illuminated and the gate has traveled too far or not far enough this indicates that the limits of travel may need adjustment Adjust...

Page 21: ...uit breaker is tripped press it back in Make sure there is power to the circuit board on terminals 13 and 15 GATE WILL NOT STOP OR REVERSE WHEN IT MEETS AN OBSTRUCTION Adjust the gate sensitivity page 15 The operator may need to be adjusted for more sensitivity This is done by turning the open and close gate sensitivity adjustments clockwise for more sensitivity GATE WILL NOT OPEN OR CLOSE Make su...

Page 22: ...Wiring Specifications 25 Radio Receiver To protect against fire and electrocution DISCONNECT power BEFORE installing or servicing operator WARNING W I R I N G D I A G R A M F U L L S Y S T E M S C A P A B I L I T Y 1 1 5 V A C ...

Page 23: ...r Radio Wiring Specifications Radio Receiver 25 To protect against fire and electrocution DISCONNECT power BEFORE installing or servicing operator WARNING W I R I N G D I A G R A M F U L L S Y S T E M S C A PA B I L I T Y B AT T E R Y R U N ...

Page 24: ...5 5W W R E K A E R B P M A 7 See page 16 for Radio Wiring Specifications Radio Receiver 25 To protect against fire and electrocution DISCONNECT power BEFORE installing or servicing operator WARNING WIRING DIAGRAM FULL SYSTEMS CAPABILIT Y SOL AR POWERED ...

Page 25: ...25 N O T E S ...

Page 26: ...e Shaft Assembly Complete with Drive Shaft Gear Set Friction Plate Self Aligning Pillow Block Bearings Set Screw Collars 1 Button Screws 5 16 18x1 2 Hex Bolts 3 8 16x1 Hex Nuts 3 8 16 Flatwashers 3 8 Lockwashers 3 9 and Roll Pin 3 16 x3 4 F K74 40141 Operator Cover Service Kit Complete with Cover Label Socket Screw 3 8 16x1 Flatwasher 3 8 and Plastic Washer 5 16 G K74 40031 Solar Panel Service Kit...

Page 27: ...27 I L L U S T R A T E D P A R T S G F B A H D C I 1 8 4 2 6 5 10 3 7 9 11 E ...

Page 28: ...red or replaced with new or factory rebuilt parts at Seller s sole option ALL IMPLIED WARRANTIES FOR THE PRODUCT INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED IN DURATION TO THE TWO YEAR LIMITED WARRANTY PERIOD SET FORTH ABOVE AND NO IMPLIED WARRANTIES WILL EXIST OR APPLY AFTER SUCH PERIOD Some States do not allow limitation...

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