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GARAGE DOOR OPENER

Model 7320

 - 1/2 HP

For Residential Use Only 

®

Owner’s Manual

Please read this manual and the enclosed safety materials carefully!

Fasten the manual near the garage door after installation.

The door WILL NOT CLOSE unless the Protector System

®

is connected 

and properly aligned.

Periodic checks of the opener are required to ensure safe operation.

The model number label is located on the front end panel of your opener.

The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.chamberlaingroup.com

®

Summary of Contents for Security+ 7320-1/2 HP

Page 1: ...near the garage door after installation The door WILL NOT CLOSE unless the Protector System is connected and properly aligned Periodic checks of the opener are required to ensure safe operation The mo...

Page 2: ...age door opener 33 Having a problem 34 Programming Pages 35 36 To add a hand held remote control 35 To erase all codes 35 Multi function remotes 35 To add or change a Keyless Entry PIN 36 Repair Parts...

Page 3: ...ich are under EXTREME tension Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid entanglement Preparing your garage door Before...

Page 4: ...in your garage If so a support bracket and additional fastening hardware may be required Installation Step 10 Depending upon garage construction extension brackets or wood blocks may be needed to inst...

Page 5: ...Support bracket fastening hardware is required See page 17 Slack in Chain Tension is Normal When Garage Door is Closed Safety Reversing Sensor Header Wall Access Door Gap between floor and bottom of...

Page 6: ...ding Eye and 1 Receiving Eye with 2 Conductor White White Black Bell Wire attached Safety Sensor Bracket 2 Light Lens 1 Model 7320 2 Lighted Door Control Button with 2 6ABx1 1 2 screws Your garage doo...

Page 7: ...18x7 8 3 Master Link 2 Trolley Threaded Shaft 1 Wing Nut 1 4 20 2 Insulated Staples 30 Carriage Bolts 1 4 20x1 2 2 Nut 5 16 18 4 Clevis Pin 5 16 x2 3 4 1 NOTICE Handle Dry Wall Anchors 2 Clevis Pin 5...

Page 8: ...versals 3 Assemble lock nuts ensure alignment and tighten NOTE If T rail is not assembled exactly as shown trolley will not travel smoothly along length of rail or it will hit against nuts 4 Position...

Page 9: ...the top of the motor unit Align the holes in the back section of the T rail with the holes in the motor unit Fasten the rail with the two washered bolts previously removed Tighten securely Remember t...

Page 10: ...o connect the chain to the flat end of the shaft Figure 1 Check to make sure the chain is not twisted 5 Remove the screwdriver ATTACHING THE SPROCKET COVER Insert the back tab in the slot on the back...

Page 11: ...when required and could result in severe injury or death 3 All repairs to cables spring assemblies and other hardware MUST be made by a trained door systems technician before installing opener 4 Disab...

Page 12: ...g horizontal line on the header wall 2 above the high point This height will provide travel clearance for the top edge of the door Proceed to Step 2 page 14 One piece door with horizontal track To pre...

Page 13: ...shown Measure the distance from the top of the door to the floor Subtract the actual height of the door Add 8 to the remainder See Example 3 Close the door and draw an intersecting horizontal line on...

Page 14: ...arage Door Travel Vertical Centerline Header Wall Garage Door UP CEILING MOUNT ONLY Wall Mounting Holes Optional Wall Mounting Holes The nail hole is for positioning only You must use lag screws to mo...

Page 15: ...ll need help Have someone hold the opener securely on a temporary support to allow the rail to clear the spring Position the rail bracket against the header bracket Align the bracket holes and join wi...

Page 16: ...ideal door to T rail distance Raise the opener onto a stepladder You will need help at this point if the ladder is not tall enough Open the door all the way and place a 2x4 laid flat on the top sectio...

Page 17: ...ver the door or in line with the header bracket if the bracket is not centered above the door 7 Remove the 2x4 Operate the door manually If the door hits the rail raise the header bracket 8 Grease the...

Page 18: ...age door NOTE DO NOT connect the power and operate the opener at this time The trolley will travel to the full open position but will not return to the close position until the sensor beam is connecte...

Page 19: ...shown Secure with an overhand knot at least 1 from the end of the rope to prevent slipping Thread the other end of the rope through the hole in the release arm of the outer trolley Adjust rope length...

Page 20: ...screw on the brass terminal the white neutral wire to the screw on the silver terminal and the ground wire to the green ground screw The opener must be grounded Reinstall the cover To avoid installati...

Page 21: ...nstalled on the left or right of the door as long as the sun never shines directly into the receiving eye lens The mounting brackets are designed to clip onto the track of sectional garage doors witho...

Page 22: ...dge of the track as shown in Figure 1 If your door track will not support the bracket securely wall installation is recommended Wall installation Place the bracket against the wall with curved arms fa...

Page 23: ...is required Loosen the sending eye wing nut and readjust aiming directly at the receiving eye Lock in place Loosen the receiving eye wing nut and adjust sensor until it receives the sender s beam Whe...

Page 24: ...oor s construction Metal or light weight doors using a vertical angle iron brace between the door panel support and the door bracket Drill 3 16 fastening holes Secure the door bracket using the two 1...

Page 25: ...he door if required for your installation Refer to the dotted line optional placement drawing Header Wall Vertical Centerline of Garage Door Finished Ceiling Optional Placement of Door Bracket Header...

Page 26: ...far apart as possible to increase door arm rigidity Figure 3 Hole alignment alternative If holes in curved arm are above holes in straight arm disconnect straight arm Cut about 6 from the solid end Re...

Page 27: ...s 5 16 Ring Fastener Straight Arm Bolts 5 16 18x7 8 Door Bracket Clevis Pin 5 16 x1 1 4 Curved Door Arm Press the Door Control push bar The trolley will travel to the fully closed position Manually cl...

Page 28: ...or does not close completely Increase down travel Turn the down limit adjustment screw counterclockwise One turn equals 2 of travel If door still won t close completely and the trolley bumps into the...

Page 29: ...small adjustments until the door completes a close cycle After each adjustment run the opener through a complete travel cycle Do not increase the force beyond the minimum amount required to close the...

Page 30: ...move the obstruction and run the opener through 3 or 4 complete travel cycles to test adjustment IMPORTANT SAFETY CHECK Repeat Adjustment Steps 1 2 and 3 after Each adjustment of door arm length limit...

Page 31: ...purchase a new remote or if you wish to deactivate any remote follow the instructions in the Programming section Activate your opener with any of the following The hand held Remote Control Hold the p...

Page 32: ...e use emergency release handle to disengage trolley ONLY when garage door is CLOSED Weak or broken springs or unbalanced door could result in an open door falling rapidly and or unexpectedly NEVER use...

Page 33: ...Review installation instruction warnings on page 11 Is there a build up of ice or snow under the door The door may be frozen to the ground Remove any restriction The garage door spring may be broken H...

Page 34: ...to force or travel limits The need for occasional adjustment of the force and limit settings is normal Weather conditions in particular can affect door travel 11 The door reverses for no apparent rea...

Page 35: ...press the push bar on the Multi Function Door Control all three buttons are held 4 Release buttons when the motor unit lights blink It has learned the code If light bulbs are not installed two clicks...

Page 36: ...our buttons for the present PIN then press and hold the button The opener light will blink twice Release the button 2 Press the new 4 digit PIN you have chosen then press Enter The motor unit lights w...

Page 37: ...e 7 KEY PART NO NO DESCRIPTION 1 41A4166 Lighted door control button 2 41A5056 17 Single function remote control housing only no circuit board 3 10A20 3V2032 Lithium battery 4 29B137 Transmitter visor...

Page 38: ...108D68 Lens 8 30B363 Capacitor 1 2 HP 9 12A373 Capacitor bracket 10 41A3150 Terminal block w screws 11 41D3058 Universal replacement motor bracket assembly Complete with Motor worm bracket bearing as...

Page 39: ...allow an 8 foot door to open fully Extension Brackets Optional For safety sensor installation onto the wall or floor To order call 1 800 528 9131 Motion Detecting Control Panel Multi function door co...

Page 40: ...l be advised of shipping instructions when you call the toll free service number Please include a brief description of the problem and a dated proof of purchase receipt with any product that is return...

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