CO NT RO LL ER GL MODEL SW420 LIGHT DUTY SWING GATE OPERATOR 2 YEAR WARRANTY Serial # ________________________ (located on electrical box cover) Installation Date __________________ MODEL SW420 IS FOR VEHICULAR PASSAGE GATES ONLY AND IS NOT INTENDED FOR PEDESTRIAN PASSAGE GATE USE BO AR D
TABLE OF CONTENTS OPERATOR SPECIFICATIONS IMPORTANT NOTE Carton Inventory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Gate Weight Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Operator Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Model Classifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
G AT E W E I G H T S P E C I F I C AT I O N S HP 1/3 GATE WT. 300 LBS. GATE WIDTH 12 FT. MAX. STARTS/HR 10 O P E R AT O R D I M E N S I O N S MODEL 420 11-5/8" 18-3/16" Post Mount (standard) 18-3/16" Pad Mount (optional) 3-3/16" 1-3/8" 11-3/4" 3" (Nominal) 11-5/8" 3-3/16" 1.38 14-5/8" 5/8" Pedestal Mount (optional) 18-3/16" 11-5/8" 3-3/16" 1.38 11-3/4" 1-1/2" 12" Max.
U L 3 2 5 M O D E L C L A S S I F I C AT I O N S CLASS I – RESIDENTIAL VEHICULAR GATE OPERATOR A vehicular gate operator (or system) intended for use in a home of one-to four single family dwellings, or a garage or parking area associated therewith.
U L 3 2 5 M O D E L C L A S S I F I C AT I O N S c o n t i n u e d SAFETY ACCESSORY SELECTION UL325 ENTRAPMENT PROTECTION REQUIREMENTS 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 recognized by UL325 for use on this operator.
G AT E S Y S T E M S COMMERCIAL SWING GATE Telephone Entry System STREET Photo eye for open cycle Run twisted wire from loop to operator Interrupt Loop Seal Loops Shadow Loop 1-1/2" Loop wire layer Interrupt Loop Photo eye for open cycle 1/4" or larger depending on loop wire size 4' Typical COMPLEX OR PARKING LOT MASTER/SECOND SWING GATE STREET Photo eye for open cycle Interrupt Loop Master Unit Run twisted wire from loop to operator Seal Loops 1-1/2" Shadow Loop Second Unit Loop wire la
S A F ET Y I N S TA L L AT I O N I N F O R M AT 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. 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.
SAFETY LABEL PLACEMENT The UL required Warning Signs must be installed in plain view and on both sides of each gate installed. Each sign is made with fastening holes in each corner and should be permanently secured in a suitable manner. Warning label on unit should be visible. 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.
POST MOUNTING Figure 1 NOTE: For the following instructions refer to Figures 1 & 2. 1. Locate and anchor two posts made of 3" outer diameter heavy walled pipe. Posts should be parallel and square to the gate. Pivot Fence Line Gate IMPORTANT NOTE: The distance between mounting posts and the relative location of the operator to the gate and fence is critical. 28" 5-3/8" 21-1/4" 3" 2. Locate electrical conduit, as required, prior to pouring concrete. 11" 3.
PAD MOUNTING NOTE: For the following instructions refer to Figures 1 & 2. Figure 1 Pivot 1. Layout the concrete pad as detailed in Figure 1. Fence Line Gate 6-1/2" IMPORTANT NOTE: The relative location of the operator to the fence and the gate is critical. Be sure that the measurements for operator mounting are taken from the centerline of the fence and of the gate hinge. 26-3/4" 19" 18"x30" Pad Minimum 6" 1/2" red head bolts or anchors 2.
PEDESTAL MOUNTING NOTE: For the following instructions refer to Figures 1 & 2. Figure 1 1. Locate and anchor pedestal. Pedestal should be parallel and square to the gate. Hinge Pin Pivot Fence Line Gate 14" 26" IMPORTANT NOTE: The distance between mounting pedestal and the relative location of the operator to the gate and fence is critical. 2. Locate electrical conduit, as required, prior to pouring concrete. Parallel Mount 3. Bolt the mounting brackets to the pedestal. Pivot 4.
C O N T R O L A R M A S S E M B WARNING LY 1. Assemble the control arm to the operator hub. 2. Push up the manual release pin from below the hub and through the control arm. Retain in place with clevis pin. Use 3/8" washers to reduce play between the clevis pin and the top of the control arm. 3. When the manual release pin is allowed to drop down, the control arm should swivel freely about the hub. Leave the arm free to pivot at this time. 4. Fasten the arm stop to the extension arm.
MECHANICAL DISCONNECT The operator can be disconnected from the gate, so the gate can be manually opened or closed. Disconnect the control arm from the drive hub by removing the hairpin cotter and then the clevis pin and allowing the manual release pin to drop down through the hub. The arm should now be free and the gate can be opened and closed normally. NOTE: If desired, a padlock can be used in place of the clevis pin to hold the manual release pin in place.
I N S TA L L P O W E R W I R I N G & C O N T R O L S TAT I O N WARNING WARNING WARNING DISCONNECT 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.
DISCONNECT SWITCH POWER WIRING NOTE: Before running power wiring refer to wiring specifications on page 14 for correct wire gauges. ON/OFF Switch Cover Secure all electrical power connections inside the disconnect switch electrical box. Refer to electrical wiring diagram on page 31.
WARNING WARNING PROGRAMMING THE RADIO RECEIVER SET SECURITY MODE The Universal Receiver can be used with up to 15 rolling code transmitters or passwords in HIGH security mode. Alternately, it can be used with up to 31 of any type transmitter in NORMAL security mode, including any combination of rolling code, billion code, or dip switch remotes. The jumper must be set at the HIGH position for the receiver to operate in HIGH security mode.
LIMIT SWITCH ADJUSTMENT WARNING WARNING 6. Turn off power. Be sure close limit cam is freely turning. Rotate cam in close direction. Stop when cam just clicks close limit switch. Tighten set screw. CAUTION WARNING NEVER place hands or tools inside operator or near drive mechanism unless power is off. 7. Reconnect gate bracket to extension arm.
SAMS (SEQUENCED ACCESS MANAGEMENT SYSTEM) SAMS DEFINITION The Sequenced Access Management System or SAMS allows the customer more control when managing vehicular entrances to areas such as apartment complexes, businesses and gated communities. The basic concept of the system is that traffic is controlled by two gates installed in tandem, a fast moving gate such as a barrier gate operator and a slower moving more secure or ornamental gate such as a single or pair of slide/swing gate operator.
OPTIONAL CONTROL DEVICES All inputs are normally open and momentary, except the stop (N.C.). The following instructions are based upon UL325, and include recommendations for significant increase in safety. We strongly recommend that you follow the UL guidelines presented throughout the manual. Refer to instructions shipped with optional control devices for mounting, wiring, programming and adjustment.
OPTIONAL CONTROL DEVICES Field Wiring Terminals 9 & 5 - Obstruction Open (Edge/ Photo Eye Input) Edge Input: See Programming Section This input will reverse an opening gate to the close limit. Activating this input when the gate is closing will have no effect. Note: If upon reversal a second seperate obstruction is detected (gate edge or R.P.M. sensor), gate will stop & alarm.
C O N T R O L B O A R D I L L U S T R AT I O N J4 Connector Master/Second J1 Connector Dip Switch #4 Master/Second Potentiometer Timer to Close Potentiometer Force Adjustment Dip Switch #2 Dip Switch #1 Diagnostic LED Limit LEDs J2 Connector Programming Port (factory use only) J5 Connector SAMS Motor Learn Button Relay Drive Troubleshooting LEDs J3 Connector Aux.
C O N T R O L L E R P R O G R A M M I N G A N D F E AT U R E S MOTOR LEARN FUNCTION (FORCE PROFILE) This function is preprogrammed at factory. If either board or motor is replaced, the controller will need to be programmed to “LEARN” the specific motor RPM profile of your operator. Switch “S3” is provided for this. This is important for accurate force control. Failure to do so may result in improper and unsafe operation.
PROGRAMMING SETTINGS (DIP SWITCH #1) NOTE: For all S1, S2 and S4 switch settings to take effect, the Save Mode must be set to the off position. TIMER TO CLOSE ENABLE This switch (S1-1) enables the auto close timer. The timer to close feature works in conjunction with the potentiometer located on the board.
PROGRAMMING SETTINGS (DIP SWITCH #2) continued EDGE/PHOTO OPEN This switch (S2-3) selects edge or photo sensor for the gate opening protection input. EDGE/PHOTO CLOSE This switch (S2-4) selects edge or photo sensor for the gate closing protection input. Open Photo Eye (Pause): When the controller is configured for photo eyes, the input functions to pause the gate during the opening cycle. Once the input is cleared the gate continues to open.
TROUBLESHOOTING Symptom Operator fails to run. Possible Causes Solution No Stop Control. Check the green LED (D17) on GL board. If the green LED is off, check to make sure a stop control has been installed across terminals J1-3 & J1-5 of the GL board. Fault in the operator. Check the yellow diagnostic LED at the top right of the GL board next to the programming dip switches. If the yellow LED blinks six times there is a master/second unit communication failure.
TROUBLESHOOTING continued Symptom Possible Causes Master or Second Failure to cycle power after setup. operator is not functioning The communication wiring may properly. be damaged or improperly wired for dual gate operation. The master or second unit is not programmed correctly. Operator runs but Entrapment (Force Pot) incorrectly set. then stops and reverses direction. Gate is binding or not running smoothly.
HALL EFFECT SENSOR ADJUSTMENT NOTE: Normally the Hall Effect sensor does not need adjustment, but may go out of alignment due to shipping vibration or rough handling. WARNING These operators use an internal entrapment protector system. This system consists of the GL control board, magnet, and Hall Effect sensor. It may become necessary to adjust the sensor for correct alignment.
O P E R AT O R M A I N T E N A N C E CHECK AT LEAST ONCE EVERY TASK DESCRIPTION 3 MONTHS 6 MONTHS Check for proper operation External entrapment protection systems Check for proper operation Gate caution signs Make sure they are present Manual disconnect Check and operate Drive chain Check for excessive slack & lubricate Sprockets & Pulleys Check for excessive slack & lubricate Gate Inspect for wear or damage Accessories Check all for proper operation Electrical
REPAIR PARTS Refer to the parts lists below for replacement parts available for your operator. If optional modifications and/or accessories are included with your operator, certain components may be added or removed from these lists. Individual components of each kit may not be available. Please consult a parts and service representative regarding availability of individual components. Refer to page 35 for all repair part ordering information.
I L L U S T R AT E D PA R T S A11 A7 A4 A11 A7 A5 A3 A8 A10 A9 A6 A7 A12 A2 1 10 9 A1 D20 11 D5 12 E3 D8 E14 D12 D21 E16 D10 D9 E10 D1 E9 E8 D15 D18 E6 D19 E4 D22 E15 D6 E15 D23 E1 E7 E5 D17 D16 D14 D13 E5 E2 D14 D4 D2 D7 3 D3 E13 D11 2 6 5 E11 4 7 E12 8 30
SINGLE PHASE WIRING DIAGRAM GL CONTROL BOARD SEE NOTE 1 PRIM ARY R2 24VAC-IN 24VA C SEC 24VAC-COMMON SOFT OPEN SEE NOTE 5 J1-11 NC "B" LIMIT CONTACTOR B "A" LIMIT CONTACTOR A RPM-IN RPM SENSOR RPM-SUPPLY J1-6 RPM GND OPTIONAL WIRE HARNESS P/N 90-G0601 (OR) R4 RADIO COMMAND SHADOW R3 3 +24 VDC CLOSE STOP SOFT OPEN OPTION HARD OPEN INT. LOOP FIELD WIRING OBS. OPEN R1 OBS.
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WARRANTY POLICY Seller warrants that the goods are free from defect in materials and/or workmanship for a period of two years from the date of shipment from the F.O.B. point. Goods returned to Seller for warranty repair within the warranty period, which upon receipt by Seller are confirmed to be defective and covered by this limited warranty, will be repaired or replaced (at Seller’s sole option) at no cost and returned pre-paid.
CONTROL CONNECTION DIAGRAMS Field Wiring Terminal Blocks J1 TERMINAL BLOCK 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 R1 R2 R3 R4 3 5 5 8 9 10 11 12 24 VAC SW420 Operator STOP/RESET CONTROL INPUT (N.C.) OPE SOFT OPEN INPUT (N.O.) CLO N SE ST OP 1 2 3 5 6 7 8 9 0 # INTERRUPT (SAFETY) LOOP INPUT (N.O.) GL Board NOTE: SEE WIRING DIAGRAMS SHIPPED WITH KIT FOR ADDITIONAL INFORMATION. SEE OWNERS MANUAL FOR WIRING DISTANCES AND WIRE GAUGE INFORMATION.
