Chamberlain Security+ 7902 Owner'S Manual Download

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

GARAGE DOOR OPENER

Models 7902 • 7902K 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 panel of your opener.

Summary of Contents for Security+ 7902

Page 1: ...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 panel of your opener ...

Page 2: ... Care of your garage door opener 33 Having a problem 34 Programming 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 37 38 Rail assembly parts 37 Installation parts 37 Motor unit assembly parts 38 Accessories 39 Repair Parts and Service 40 Warranty 40 TABLE OF CONTENTS When you see these Safety Symbols a...

Page 3: ...aring your garage door Before you begin Disable locks Remove any ropes connected to garage door Complete the following test to make sure your garage door is balanced and is not sticking or binding 1 Lift the door about halfway as shown Release the door If balanced it should stay in place supported entirely by its springs 2 Raise and lower the door to see if there is any binding or sticking If your...

Page 4: ... or wood blocks may be needed to install sensors Installation Step 4 Alternate floor mounting of the safety reversing sensor will require hardware not provided Installation Step 6 Do you have a finished ceiling in your garage If so a support bracket and additional fastening hardware may be required Do you have an access door in addition to the garage door If not Model 7702CB Outside Quick Release ...

Page 5: ...g Sensor FINISHED CEILING Support bracket fastening hardware is required See page 20 Safety Reversing Sensor Header Wall Access Door Gap between floor and bottom of door must not exceed 1 4 Motor unit Wall mounted Door Control Rail ONE PIECE DOOR WITHOUT TRACK CLOSED POSITION Header Bracket Trolley Straight Door Arm Emergency Release Rope Handle Door Bracket Curved Door Arm Header Wall Rail Garage...

Page 6: ...bels and Literature 2 Safety Reversing Sensors 1 Sending Eye and 1 Receiving Eye with attached 2 Conductor White White Black Bell Wire Safety Reversing Sensor Mounting Bracket 2 SECURITY Keyless Entry Motor Unit with a Light Lens Your garage door opener is packaged in one carton which contains the motor unit and all parts illustrated below Accessories will depend on the model purchased If anything...

Page 7: ...rocket Coupling Sleeve Bolt 1 4 20x1 3 4 8 NOTICE Handle Nut 5 16 18 4 Ring Fastener 3 Clevis Pin 5 16 x2 3 4 1 Insulated Staples 30 Dry Wall Anchors 2 Clevis Pin 5 16 x1 1 Rope Lock Washer 5 16 4 Lag Screw 5 16 9x1 5 8 2 Hex Bolt 5 16 18x7 8 4 Clevis Pin 5 16 x1 1 4 1 Lag Screw 5 16 18x1 7 8 2 Screw 6ABx1 1 4 2 Screw 6 32x1 2 Self Threading Screw 1 4 14x5 8 2 ASSEMBLY HARDWARE INSTALLATION HARDWA...

Page 8: ...of debris while you are working Center Rail Trolley Rack Extend End Rails Outward Extend End Rails Outward Rail Assembly Carton Remove Cardboard Packing Remove Cardboard Packing Rail Support Braces Straight Door Arm Rail Assembly Hardware Bag Chassis Assembly Hardware Bag Center Rail Door End Rail Rail Sprocket Trolley Rack Sprocket End Rail Rotate NOTE During assembly avoid pulling the rail secti...

Page 9: ...Position another brace on the opposite side of the rail over the bolts add 1 4 20 lock nuts and hand tighten Insert two additional bolts and hand tighten 7 Keeping the rail straight and on a level surface grasp the screw rods on each side of the remaining joint and pivot into a straight line Repeat steps 5 and 6 8 With a 7 16 wrench tighten bolts until snug beginning with the center holes Do not o...

Page 10: ...two bolt holes in the rail with those in the motor unit bracket Insert two 1 4 20x5 8 hex bolts and lock nuts Tighten securely with a 7 16 socket wrench Slide the trolley onto and along the bottom of the rail until it snaps firmly in place Be certain to install it facing correctly the trolley release arm must be horizontal lock position with its arrow pointed away from the motor unit Rail Sprocket...

Page 11: ... all ropes connected to garage door BEFORE installing opener to avoid entanglement 5 Install garage door opener 7 feet or more above floor 6 Mount emergency release handle 6 feet above floor 7 NEVER connect garage door opener to power source until instructed to do so 8 NEVER wear watches rings or loose clothing while installing or servicing opener They could be caught in garage door or opener mech...

Page 12: ...s shown Draw an intersecting horizontal line on the header wall 3 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 prevent possible SERIOUS INJURY or DEATH Header bracket MUST be RIGIDLY fastened to structural support on header wall or ceiling otherwise garage door might not reverse when re...

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 the header wall at the determined height NOTE If the total number of inches exceeds the height available in your garage use the maximum height possible or refer to page 14 for ceiling installation Do...

Page 14: ... Garage 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 mount the header bracket UP CEILING MOUNT ONLY Door Spring Header Bracket 2x4 Structural Support Vertical Centerline UP CEILING MOUNT ONLY Ceiling Mounting Holes The nail hole is for positioning only ...

Page 15: ...e way you 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 with a clevis pin as shown Insert a ring fastener to secure Header Bracket Rail Bracket Temporary Support Header Wall Garage Door Rail Clevis Pin 5 16 x2 3 4 Ring Fastener Header Bracket Rail ...

Page 16: ...her can be installed 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 without additional hardware If it is necessary to mount the units on the wall the brackets must be securely fastened to a solid surface such as the wall framing Extension brackets see accessori...

Page 17: ...e flush with the lip hugging the back edge 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 facing the door Be sure there is enough clearance for the sensor beam to be unobstructed If additional depth is needed an extension bracket see Accessories or wood...

Page 18: ...age door you may choose to install the door control at this time and run the door control wire along the rail with the sensor wires Use one rail channel for the door control wire and the other channel for both sensor wires If you choose this option follow instructions 1 3 on page 21 now 3 Pull wires taut across the top of the chassis and insert into the opening above the terminal block see inset B...

Page 19: ...setting an ideal door to 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 section beneath the rail If the top section or panel hits the trolley when you raise the door pull down on the trolley release arm to disconnect inner and outer sections Slide the outer trolley tow...

Page 20: ... the two center mounting tabs you must triangulate the vertical brackets for additional stability Figure 3 6 Check to make sure the rail is centered over 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 To avoid possible SERIOUS INJURY from a falling garage door op...

Page 21: ...ing on top of motor unit above the terminal block on the back panel Figure 4 5 Strip 7 16 of insulation from each set of wires Insert door control wire into quick connect terminals by color white wire to white white red wire to red Separate white and white black wires sufficiently to connect to the opener quick connect terminals Twist like colored wires together Insert wires into quick connect hol...

Page 22: ...ICE reads right side up as 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 so the handle is 6 feet above the floor Secure with an overhand knot NOTE If it is necessary to cut the rope heat seal the cut end with a match or lighter to prevent unravel...

Page 23: ... White Wire Black Wire WARNING CAUTION WARNING WARNING INSTALLATION STEP 11 Complete Safety Reversing Sensor Installation ALIGNING THE SAFETY SENSORS Plug in the opener The indicator lights in both the sending and receiving eyes will glow steadily if wiring connections and alignment are correct The sending eye orange indicator light will glow regardless of alignment or obstruction If the green ind...

Page 24: ...oor panel support and the door bracket Drill 3 16 fastening holes Secure the door bracket using the two 1 4 14x5 8 self threading screws Figure 2A Alternately use two 5 16 bolts lock washers and nuts not provided Figure 2B Metal insulated or light weight factory reinforced doors Drill 3 16 fastening holes Secure the door bracket using the self threading screws Figure 3 Wood Doors Use top and botto...

Page 25: ...MINUM STEEL DOORS WITH GLASS PANEL ETC NOT PROVIDED ONE PIECE DOORS Please read and comply with the warnings and reinforcement instructions on the previous page They apply to one piece doors also Center the door bracket on the top of the door in line with the header bracket as shown Mark either the left and right or the top and bottom holes Metal Doors Drill 3 16 pilot holes and fasten the bracket...

Page 26: ...ure 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 Reconnect to trolley with cut end down as shown Bring arm sections together Find two pairs of holes that line up and join with bolts lock washers and nuts Pull the emergency release handle toward the opener at a 45 angle so that the trolley release arm is h...

Page 27: ...rs 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 button The trolley will travel to the fully closed position Manually close the door and lift the door arm to the trolley The arm should touch the trolley just ahead of the door arm connector hole Refer to the fully closed trolley door arm positions in the illustratio...

Page 28: ...d in Adjustment Step 2 If the door 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 pulley bracket page 4 try lengthening the door arm page 26 and decreasing the down limit If the opener reverses in fully closed position Decrease down travel Turn the d...

Page 29: ...ing the control clockwise Make 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 door 2 Test the UP open force Grasp the door bottom when the door is about halfway through UP open travel The door should stop If the door is hard to hold or doesn t sto...

Page 30: ... on the one inch board remove 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 limits or force controls Any repair to or adjustment of the garage door including springs and hardware Any repair to or buckling of the garage floor Any repair to or adjustment of ...

Page 31: ...when the Light feature on the Multi Function Door Control is activated Bulb size is 100 watts maximum Security light feature Lights will also turn on when someone walks through the open garage door With a Multi Function Door Control this feature may be turned off as follows With the opener lights off press and hold the light button for 10 seconds until the light goes on then off again To restore t...

Page 32: ...4 1 2 minutes Press again to turn it off sooner The 4 1 2 minute interval can be changed to 1 1 2 2 1 2 or 3 1 2 minutes as follows Press and hold the Lock button until the light blinks about 10 seconds A single blink indicates that the timer is reset to 1 1 2 minutes Repeat the procedure and the light will blink twice resetting the timer to 2 1 2 minutes Repeat again for a 3 1 2 minute interval e...

Page 33: ...e the location of the remote control in your car Check to be sure the antenna on the side or back panel of motor unit extends fully downward Some installations may have shorter range due to a metal door foil backed insulation or metal garage siding 5 Opener noise is disturbing in living quarters of home If operational noise is a problem because of proximity of the opener to the living quarters the...

Page 34: ...closes Review Adjustment Step 2 If door reverses in the fully closed position decrease the travel limits Adjustment Step 1 Repeat safety reverse test after adjustments 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 reason and opener lights blink for 5...

Page 35: ...ush 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 will be heard 1 Press and release the learn button on the motor unit The learn indicator light will glow steadily for 30 seconds 2 Within 30 seconds press and hold the button on the hand held remote that you wis...

Page 36: ...four 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 will blink once when the PIN has been learned Test by pressing the new PIN then press ENTER The door should move To set a temporary PIN You may authorize access by visitors or service people with a te...

Page 37: ...0 178B34 Straight door arm section 11 12B350 Hanging brackets 12 41A5034 Safety sensor kit receiving and sending eyes with 3 2 conductor bell wire attached 13 41A5266 1 Safety sensor bracket NOT SHOWN 41A4675 7 Installation hardware bag see page 7 114A2488 Owner s manual 3 1 5 8 10 7 2 9 4 6 KEY PART NO NO DESCRIPTION 1 41A4796 Hardware bag 2 41A4795 Hardware bag includes sprocket coupling 3 12B56...

Page 38: ...et light socket limit switch 8 41A5388 Motor drive assy complete with 8a 144B41 22T Pulley 8b 144B42 28T Pulley 8c 20B17 Drive belt 8d 158A69 Retainer rings 8e 41C556 Isolator bracket spacers KEY PART NO NO DESCRIPTION 8f 41A5394 Assy bracket motor mount 8g 81B170 1 Shaft limit worm 9 41C4672 Screw drive RPM kit 10 41A4837 1 Worm gear and retainer 11 41C5417 Low voltage wire harness 11a 41C5416 Hi...

Page 39: ...events operation of garage door opener from hand held remotes and a Light Feature for constant light Motion Detecting Control Panel Multi function door control with motion sensor that automatically turns opener lights on for 5 minutes when it detects a person entering the garage Sensor can be easily deactivated when desired 945CB 940CB Extension Brackets Optional For safety sensor installation ont...

Page 40: ...arts will be repaired or replaced with new or factory rebuilt parts at Seller s sole option THIS LIMITED WARRANTY IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR OTHERWISE AND OF ANY OTHER OBLIGATIONS OR LIABILITY ON SELLER S PART THIS LIMITED WARRANTY DOES NOT COVER NON DEFECT DAMAGE DAMAGE CAUSED BY IM...

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