Installation Manual for the ® E-Z GATE OPENER 352 UL325 SERIES WARNING! This equipment is similar to other gate or door equipment and meets or exceeds Underwriters Laboratory Standard 325 (UL 325). However, gate equipment has hazards associated with its use and therefore by installing this product the installer and user accept full responsibility for following and noting the installation and safety instructions.
The Mighty Mule® Gate Opener is intended for use with vehicular swing gates. The opener can be used in Class I, Class II and Class III applications. Vehicular gate opener class categories Residential Vehicular Gate Opener-Class I: A vehicular gate opener (or system) intended for use in a home of one-to-four single family dwelling, or a garage or parking area associated therewith.
Table of Contents Gate Opener Class Categories------------------------------------------------------------- inside cover Units and Standards Conversion Chart------------------------------------------------- inside cover PLEASE READ THIS FIRST!-------------------------------------------------- page iii KEEP THESE INSTRUCTIONS FOR FUTURE REFERENCE Important Safety Instructions ----------------------------------------------- page 1 Disconnecting the Opener-----------------------------------------------------
® E-Z GATE OPENERS PLEASE READ THIS FIRST! Thank you for purchasing a Mighty Mule® 352 E-Z Gate Opener—GTO's "do-it-yourself" automatic gate opener! When correctly installed and properly used, your Mighty Mule® 352 E-Z Gate Opener will give you many years of reliable service. Please read the following information and watch the enclosed video to ensure you have the correct system for your particular needs.
IMPORTANT SAFETY INSTRUCTIONS Because automatic gate openers produce high levels of force, consumers need to know the potential hazards associated with improperly designed, installed, and maintained automated gate opener systems. Keep in mind that the gate opener is just one component of the total gate operating system. Each component must work in unison to provide the consumer with convenience, security, and safety. This manual contains various safety precautions and warnings for the consumer.
IMPORTANT SAFETY INSTRUCTIONS For The Consumer WARNING: To reduce the risk of injury or death: 1. READ AND FOLLOW ALL INSTRUCTIONS. Failure to meet the requirements set forth in the instruction manual could cause severe injury and/or death, for which the manufacturer cannot be held responsible. 2. When designing a system that will be entered from a highway or main thoroughfare, make sure the system is placed far enough from the road to prevent traffic congestion. 3.
IMPORTANT SAFETY INSTRUCTIONS Entrapment Zones for a proper Pull-To-Open installation: Zone 1 – leading edge of the master and second gate. Zone 2 – between the gate and the gate post. Zone 3 – the path of the gate. Zone 4 – the space between the gate in the open position and any object such as a wall, fence, tree, etc. Zone 5 – pinch points between the opener and gate. II. During Installation 1. Install the gate opener on the inside of the property and fence line.
IMPORTANT SAFETY INSTRUCTIONS III. After Installation 1. Attach the warning signs (included) to each side of the gate to alert the public of automatic gate operation. It is your responsibility to post warning signs on both sides of your gate. If any of these signs or warning decals become damaged, illegible or missing, replace them immediately. Contact GTO for free replacements. 2. The gate is automatic and could move at any time, posing a serious risk of entrapment.
IMPORTANT SAFETY INSTRUCTIONS Secondary Means of Protection Against Entrapment As specified by Gate Opener Safety Standard, UL 325 (30A.1.1), automatic gate openers shall have an inherent entrapment sensing system, and shall have provisions for, or be supplied with, at least one independent secondary means to protect against entrapment. The Mighty Mule® 352 utilizes Type A, an inherent (i.e., built-in) entrapment sensing system as the primary type of entrapment protection.
IMPORTANT SAFETY INSTRUCTIONS Required Safety Precautions for Gates Install Warning Signs Warning signs alert people of automatic gate operation and are required when installing the Mighty Mule® 352 E-Z Gate Opener. Furthermore, a walk-through gate must be installed if pedestrian traffic is expected near the vehicular gate. We recommend using the GTO Bulldog Pedestrian Gate Lock (Call the GTO Sales Department) for controlled access.
IMPORTANT SAFETY INSTRUCTIONS These warning labels should be found at the locations specified below. If any of them are missing, immediately contact GTO for replacements. ! Product identification label GTO DC SWING Series Conforms to UL325 5th Edition Standards Serial No. 05/14/08 MM350DUAL-0000000 GTO, Inc. - Tallahassee, Florida USA This label is located under rear mount on the opener. Warning signs (4 enclosed) to be installed on each side of the gate (3–5 feet above the bottom of the gate).
Parts List - Opener and Mounting Hardware ! WARNING Customer Support Card (1) Installation Video (1) 32’ Second Opener Battery Harness (1) 32’ Communication Cable (1) Moving Gate Can Cause Injury Or Death 1. KEEP CLEAR! Gate may move at any time. 2. Do not allow children to operate gate or play in gate area. 3. This gate is for vehicles only. Pedestrians must use a separate entrance.
Tools Needed • Center Punch • Open End Wrenches — 3/8", 7/16", 1/2", and 9/16" • Small (Flat Bladed) Screwdriver • Tape Measure • Level • Wire Strippers • Phillips Screwdriver/ Large • C-Clamps — small, medium, and large • Power Drill • 3/8" Drill Bit • Hacksaw or Heavy Duty Bolt Cutters • Extra person will be helpful YOU MAY ALSO NEED THESE ITEMS BEFORE YOU BEGIN THE INSTALLATION (Some of these items can be found in the Accessory Catalog page 42): • • Low voltage wire (RB509) will be needed to run
Technical Specifications MIGHTY MULE® 352 E-Z GATE OPENER DRIVE • Low friction screw drive (linear actuator) rated for -5 ºF to +160 ºF (-21 ºC to +71 ºC). • Powered by a 12 V motor with integral case hardened steel gear reducer. Motor speed reduced to 260 rpm. Generates 520 inch lb. of torque at 12 V. • Maximum opening arc of 110º. Approximate opening time (90º): 18 seconds, depending on weight of gate. POWER • The system is powered by a 12 Vdc automotive or marine battery.
Installation Overview Pull-to-Open Gates (Gate Opens into the Property) The diagram shown below is an example of a pull-to-open installation on a chain link fence and dual gate. Mounting the openers on masonry columns requires special procedures; see Column Installation Information on page 42 if you intend to mount the openers on columns. Furthermore, if you have pushto-open gates, you will need to purchase 2 push-to-open brackets (FM148) (see Accessory Catalog) to properly configure your system.
Installation of Mounting Hardware The position of the post bracket determines the leverage and efficiency of the opener. The post bracket position also sets the clearance between the opener and gate in the open and closed positions (minimum 2 inches for safety reasons). The curved design of the post bracket works well for installations on round and square fence posts. Because the post bracket carries the entire thrust of the active opener, bolts that completely penetrate the fence post must be used.
Determining the Mounting Position of the Post Bracket Assembly and the Gate Bracket Post Bracket Assembly Step 3 Insert the 3/8" x 2" bolt through the center hole of the post brackets and post pivot bracket as shown. Fasten a 3/8" washer, 3/8" lock washer and 3/8" nut on the end of the bolt. DO NOT overtighten the nut because the post pivot bracket will have to be adjusted later. NOTE: The following steps are intended for pull-to-open gate installations.
IMPORTANT: While determining the mounting point for the post pivot bracket assembly, be sure that the position allows for minimum 2 inches of clearance between the gate and the opener in both the open and closed positions, as shown in the diagrams below. This clearance will give the opener the most efficient leverage point for opening and closing the gate and more importantly provides the least possible pinch area.
Installing the Post Bracket Assembly and Gate Bracket Step 7 Mark reference points for bolt holes on the fence post through middle of bracket slots. Marking reference points in this manner allows room for adjustment when mounting the post bracket assembly and gate bracket. After marking your reference points, remove the opener and brackets from the fence and gate.
Mounting the Master Opener Step 11 Attach the opener to the securely bolted post bracket assembly and gate bracket using clevis pins, bushings, and hairpin clips, or optional Pin Locks (see Accessory Catalog). Verify that the opener is level and adjust the post bracket assembly if necessary.
Step 1 1Z]aSR >]aWbW]\ Ab]^ >ZObS []c\bSR V]`Wh]\bOZZg ]\ [SbOZ ^]ab eWbV C P]Zba Attach the horizontal closed position stop plate to the MASTER gate leaf. Detach the gate operators from the gates and move the gates to their closed position (Illustration A). Using appropriate hardware for your type of gate (U-bolts for tube or chain link; screw or bolts for wood or metal - not supplied) attach the closed position stop plate (horizontally) about mid height on the MASTER gate frame.
At this stage of the installation, the openers should be installed on the gate leaves and the open and closed position stops should be in place. Check List • The gate is plumb, level, and swings smoothly on its hinges. • A plate or support was added for the gate bracket (if necessary). • The openers are level and mounted on the centerline of the gate.
Trench and Lay Conduit for Wiring Step 1 Trench and place 3/4 inch or larger PVC conduit from Master Opener Arm to Second Opener Arm. At this time you may also choose to trench and lay conduit from an AC power source to the gate for connecting the 18V transformer.
Attaching Master Opener Battery and Communication Cables NOTE: At this point your 32 foot Power Cable and 32 foot Communication Cable should be run through conduit to connect your master and second. Control Board Access Cover Step 1 With the MASTER opener mounted in the upside down position remove the Control Board Access Panel on the bottom of the opener arm.
Attaching Second Opener Battery and Communication Cables Step 1 With the SECOND opener mounted in the upside down position remove the Control Board Access Panel on the bottom of the opener arm. Control Board Access Cover Step 2 ON/OFF Connect the Communication Cable coming out of the conduit from the Master Opener to the LINK terminal on the second opener arm control board. Be sure to leave enough slack in the cable to accomodate routing of cable through access panel.
Powering Options: Transformer or Solar IMPORTANT: • The Mighty Mule 352 is designed and intended for use with a 12 Volt automotive or marine type battery. The battery must be placed inside a weatherproof case and located within 6 feet of the opener arm. The 10 foot harness supplied connects the battery to the master arm. • The battery charge is maintained by the 18 Volt transformer included or by using optional solar panel(s).
Connecting The Battery Attach the 10 foot battery harness wires provided, to the terminals of the battery. Take care to attach the BLACK wire to the NEGATIVE terminal and the RED wire to the POSITIVE terminal. Reverse connection will cause damage to the control board.
Connecting the Transformer IMPORTANT: Never connect the transformer and a solar panel to the opener control board at the same time. It will damage the control board. If you are using SOLAR PANEL(S) to charge the opener battery, skip this section and go to "Connecting Solar Panel(s)" section on page 26. IMPORTANT INFORMATION ABOUT LOW VOLTAGE WIRE The only wire acceptable for use with GTO products is 16 gauge multi-stranded, low voltage, PVC sheathed wire.
15 2 3 4 Strip 3/16" off the ends of the low voltage wire and twist tightly. Insert these ends to the 18 VAC terminal block located on the control board (see illustration at right). The wires can be inserted into either terminal regardless of color.
15 ON 1 2 3 4 Connecting Solar Panel(s) PULL-PUSH MODE1 MODE2 LOCK/BEACON RF CHARGING POWER IMPORTANT: Never connect the transformer and a solar panel to the opener control board at the same time. It will damage the control board. Strip 3/16" off the ends of the low voltage wire from the solar panel and twist tightly. Attach the RED solar panel wire to the SOLAR terminal marked (+) and the BLACK solar panel wire to the SOLAR terminal marked (–) on the MASTER control board.
Stall Force Potentiometer Setting IMPORTANT: For safety reasons the obstruction setting or Stall Force on the Mighty Mule® 352 control board comes from the factory set at MIN (minimum). In many gate installations this setting will need to be adjusted to overcome the weight and size of the gates. STAT MIN MAX STALL FORCE OFF The Stall Force potentiometer on the control board operates like a volume control on a radio.
Installing the Receiver Use the transmitter to check the range of the receiver before permanently mounting it. Consider the following when mounting the receiver: • Standard receiver cable length is 10 feet (receivers with a longer cable are available as special order items; call the GTO Sales Department). NEVER splice receiver cable! • Run the cable through PVC conduit to protect it from damage. • DO NOT run cable through metal conduit because the receiver signal range will be decreased.
Setting the Closed Position Limit * NOTE: You may need to set the stall force slightly off of minimum depending on the size and weight of the gate. For PULL-TO-OPEN Installation Turn the power switches on the opener arms to the ON position FF ON/O Fully Open Position Your Mighty Mule 352 has two Limit Settings 1) OPEN Limit setting: (gates in the OPEN POSITION / FACTORY SET & NOT ADJUSTABLE) The open limit setting is the fully open position. At this point the arms are fully retracted.
Setting Your Personal Transmitter Code All GTO transmitters are set to a standard code at the factory and are ready to operate your Mighty Mule® 352 Gate Opener®. For your safety and security, however, we strongly recommend that you replace the factory setting with your own personal code. Follow the directions below: 1.
Connecting Additional Safety Devices Although GTO strongly recommends the use of additional safety devices, we do not endorse any specific brand names. Only use products that are certified and listed to be in compliance with any applicable UL standards (Underwriters Laboratories) and national and regional safety codes. Call GTO Sales at 1-800-543-4283 for information on compatible products for your specific application.
LOCK OUTPUTS Control Board Connections 1 AUX OUT (+): (Typically for use with automatic gate lock or light) • Provides 12Vdc power @ a maximum of 2 Amps or less than 25 watts when the gate is in motion. 2 AUX OUT (-): (Typically for use with automatic gate lock or light) • Provides 12Vdc power @ a maximum of 2 Amps or less than 25 watts when the gate is in motion.
Connecting Accessories RF GTO Automatic Lock 6 7 1 10 6 7 8 9 10 COMMON 5 CYCLE 4 RED BLK SOLAR PANEL GRN 18VAC AUX OUT 2 IC TRON 3 LINK 1 ELEC 2 EDGE ATIC OM CK ® AUTE LOLOCK GASETCURITY 1 SAFETY NOTE: When connecting Automatic Lock make sure DIP #4 is set to off.
Routing Wires Through The Access Panel Master Opener Routing Pin Neatly arrange all wires to lay flat as they come out of the opener. Second Opener The battery harness and communication cable must be routed down the sides of the opener and flatly out of the slot in the back of the opener.
Final Step When everything has been connected to the opener... Replace the control board access cover. If you were working with the opener with the control board access facing up, remove the opener arm from both mounts and remount it in the upright position (control board cover facing down). Failure to remount opener in the up right position will allow water to enter the opener and cause damage to the opener control board.
Push to Open Installation Determining The Mounting Position of The Post Bracket Assembly "Push-to-Open" gates open out from the property. Push-to-Open Brackets are required for this type of installation (see Accessory Catalog). If you have pull-to-open gates (gate opens into the property), return to page 13; step 3. In a PUSH-TO-OPEN installation the opener is installed while the gate is in the closed position.
Step 3 With the gate in the fully closed position and the opener retracted, swing the opener to the gate. Mark reference points for bolt holes on gate cross member through middle of gate bracket slots. The opener must be level. (Some vertical adjustment is possible by sliding the post bracket assembly up and down.) Drill 3/8" holes into the gate cross member as marked. Fasten gate bracket to cross member using (2) 3/8" x 3" bolts, washers, lock washers, and nuts.
STATUS Step 3 Save the setting by pressing the transmitter and allowing the gates to return to the fully closed position. YOUR OPEN POSITION LIMIT IS NOW PROGRAMMED. MIN MAX STALL FORCE MASTER CONTROL BOARD SET LIMIT Button Step 4 Repeat step 2-3 for the other arm that has not been programmed in step 2.
Visual and Audible Diagnostic Indicators If your gate opener does not function properly after it is installed, use this guide or use the online troubleshooter at http://support.gtoinc.com/support/troubleshooter.aspx before calling the GTO Service Department. • On all gates weighing 250 lb. or more, routinely grease the ball bearing hinges at least 4 times a year; more frequently if the gates are in a coastal area.
2. STATUS LED (LED1): While the unit is IDLE: 1 blink with 2 seconds off: Free Exit terminal is shorted to common. Check exit wand or loop detector. 2 blink with 2 seconds off: Safety terminal is shorted to common. Check photo beams or loop detector. 3 blink with 2 seconds off: Edge terminal is shorted to common. Check edge sensor. 4 blink with 2 seconds off: Cycle terminal is shorted to common. Check push button, wired keypad or wired intercom.
Repair Service If your Mighty Mule® 352 Gate Opener is not operating properly, please follow the steps below: 1. First use the procedures found in the Visual and Audible Diagnostic Indicators section (see page 39). 2. Use the Online Troubleshooter at http://support.gtoinc.com/support/troubleshooter.aspx. 3. If you are unable to solve the problem, call the GTO Service Department at (800) 543-1236, or (850)575-4144.
Column Installation Information IF THIS OPENER WILL BE USED WITH GATES THAT ARE MOUNTED ON MASONRY, BRICK, OR ROCK (etc.) COLUMNS: READ THE FOLLOWING CAREFULLY BEFORE PROCEEDING A. The simplest solution is to install the opener in a push-to-open configuration (requires Push-ToOpen Bracket, see Accessory Catalog). The minimum clearance is easier to achieve and clearance is no longer a problem, since the opener will be pushing the gate away from the column instead of pulling it toward the column.
® E-Z GATE OPENERS ACCESSORIES Accessories are Available From Your Retail Store Solar Panel (FM123) 10 watt (FM121) 5 watt - requires two - 5 watt panels The Solar Panel is a 10 watt solar powered battery charger for use with the FM350 & FM352 gate operator systems. Particularly suited for remote installations, each Solar Panel comes with tubular steel support, mounting clips, wire connectors, and 8 ft. of low voltage wire (see Low Voltage Wire for additional wire).
Accessories are Available From Your Retail Store (con't) Automatic Gate Lock Pull-to-Open (FM143) IC MAT AUTO LOCK GATE A MUST for added security. Solenoid driven, with a steel housing. Unlocks and locks automatically as gates open and close. Used with Mighty Mule® DC swing gate operating systems for maximum stability and security. Comes with a keyed manual release. Recommended for gates over 8 ft. long. Ideal for animal enclosures or high wind areas.
