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Contact Information

For installation and service information call:

1-800-528-9131

Before calling, please have the model number of the garage

door opener. If you are calling about a Troubleshooting issue,

it is recommended that you have access to your garage door

opener while calling. If you are ordering a repair part please

have the following information: part number, part name, and

model number.

Address repair parts orders to:

The Chamberlain Group, Inc.

6050 S. Country Club Road

Tucson, AZ 85706

Warranty

CHAMBERLAIN

®

 LIMITED WARRANTY

The Chamberlain Group, Inc.

®

 (“Seller”) warrants to the 

fi

 rst retail purchaser of this product, for the residence 

in which this product is originally installed, that it is free from defects in materials and/or workmanship for a 

speci

fi

 c period of time as de

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 ned below (the “Warranty Period”). The warranty period commences from the date 

of purchase.

WARRANTY PERIOD

Parts

Motor

Accessories

Belt

Battery Backup

5 Years

15 Years

1 year

5 Years

1 year

The proper operation of this product is dependent on your compliance with the instructions regarding 

installation, operation, and maintenance and testing. Failure to comply strictly with those instructions will void 

this limited warranty in its entirety. If, during the limited warranty period, this product appears to contain a defect 

covered by this limited warranty, call 1-800- 528-9131, toll free, before dismantling this product. You will be 

advised of disassembly and shipping instructions when you call. Then send the product or component, pre-paid 

and insured, as directed to our service center for warranty repair. Please include a brief description of the 

problem and a dated proof- of-purchase receipt with any product returned for warranty repair. Products returned 

to Seller for warranty repair, which upon receipt by Seller are con

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 rmed to be defective and covered by this 

limited warranty, will be repaired or replaced (at Seller’s sole option) at no cost to you and returned pre-paid. 

Defective parts will be repaired or replaced with new or factory rebuilt parts at Seller’s sole option. [You are 

responsible for any costs incurred in removing and/or reinstalling the product or any component .]

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 APPLICABLE LIMITED WARRANTY PERIOD SET FORTH ABOVE FOR THE 

RELATED COMPONENT(S), AND NO IMPLIED WARRANTIES WILL EXIST OR APPLY AFTER SUCH 

PERIOD. Some States and Provinces do not allow limitations on how long an implied warranty 

lasts, so the above limitation may not apply to you. THIS LIMITED WARRANTY DOES NOT COVER 

NON-DEFECT DAMAGE, DAMAGE CAUSED BY IMPROPER INSTALLATION, OPERATION OR CARE 

(INCLUDING, BUT NOT LIMITED TO ABUSE, MISUSE, FAILURE TO PROVIDE REASONABLE AND 

NECESSARY MAINTENANCE, UNAUTHORIZED REPAIRS OR ANY ALTERATIONS TO THIS PRODUCT), 

LABOR CHARGES FOR REINSTALLING A REPAIRED OR REPLACED UNIT, REPLACEMENT OF 

CONSUMABLE ITEMS (E.G., BATTERIES IN REMOTE CONTROL TRANSMITTERS AND LIGHT BULBS), 

OR UNITS INSTALLED FOR NON-RESIDENTIAL USE. THIS LIMITED WARRANTY DOES NOT COVER 

ANY PROBLEMS WITH, OR RELATING TO, THE GARAGE DOOR OR GARAGE DOOR HARDWARE, 

INCLUDING BUT NOT LIMITED TO THE DOOR SPRINGS, DOOR ROLLERS, DOOR ALIGNMENT 

OR HINGES. THIS LIMITED WARRANTY ALSO DOES NOT COVER ANY PROBLEMS CAUSED BY 

INTERFERENCE. UNDER NO CIRCUMSTANCES SHALL SELLER BE LIABLE FOR CONSEQUENTIAL, 

INCIDENTAL OR SPECIAL DAMAGES ARISING IN CONNECTION WITH USE, OR INABILITY TO USE, 

THIS PRODUCT. IN NO EVENT SHALL SELLER’S LIABILITY FOR BREACH OF WARRANTY, BREACH 

OF CONTRACT, NEGLIGENCE OR STRICT LIABILITY EXCEED THE COST OF THE PRODUCT COVERED 

HEREBY. NO PERSON IS AUTHORIZED TO ASSUME FOR US ANY OTHER LIABILITY IN CONNECTION 

WITH THE SALE OF THIS PRODUCT.

Some states and provinces do not allow the exclusion or limitation of consequential, incidental or special 

damages, so the above limitation or exclusion may not apply to you. This limited warranty gives you speci

fi

 c 

legal rights, and you may also have other rights, which vary from state to state and province to province.

Summary of Contents for WD850KEVG

Page 1: ...stallation The door WILL NOT CLOSE unless the Protector System is connected and properly aligned Periodic checks of the garage door opener are required to ensure safe operation The model number label...

Page 2: ...nician ifgarage door binds sticks or is outofbalance An unbalanced garage door may NOT reverse when required l NEVER try to loosen move or adjustgarage door door springs cables pulleys brackets or the...

Page 3: ...TENSION BRACKETS MODEL 041A5281 1 OR WOOD BLOCKS Depending upon garage construction extension brackets or wood blocks may be needed to install the safety reversing sensor n FASTENING HARDWARE Alternat...

Page 4: ...and your productmay look different A Header bracket B Pulley C Door bracket D Curved door arm E Straightdoor arm Packaged inside frontrail section F Trolley NOTE Be sure to assemble the trolley before...

Page 5: ...in 5 16 x1 1 4 Carriage Bolt 1 4 20x1 2 2 Wing Nut 1 4 20 2 ASSEMBLY INSTALLATION Screw 6ABx1 2 Drywall Anchors 2 Screw 6 32x1 2 DOOR CONTROL Insulated Staples Not Shown Lag Screw 5 16 9x1 5 8 4 Hex S...

Page 6: ...tapered ends into the larger ones Tabs along the side will lock into place 3 Place the motor uniton packing material to protectthe cover and restthe back end ofthe rail on top For convenience puta su...

Page 7: ...ghten 2 Remove the bolts from the top ofthe motor unit 3 Use the carton to supportthe frontend ofthe rail 4 Place the U bracket flatside down onto the motor unitand align the bracketholes with the bol...

Page 8: ...ration 3 Place the idler pulley into the window as shown 4 Insertthe idler boltfrom the top through the rail and pulley Tighten with a 3 8 lock washer and nutunderneath the rail until the lock washer...

Page 9: ...sure the beltis nottwisted Connectthe trolley threaded shaftwith the master link Figure 3 l Push pins ofmaster link bar through holes in end ofbeltand trolley threaded shaft l Push master link cap ove...

Page 10: ...ing to optimum belttension Nut Ring BEFORE 1 2 5 cm Nut Ring AFTER 1 1 4 3 18 cm Spring Trolley Nut Nut Ring Slot STEP 6 Install the sprocket cover To avoid possible SERIOUS INJURY to finger from movi...

Page 11: ...R connectgarage 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 caughtin garage door or opener mec...

Page 12: ...is minimal Itmay be mounted on the wall upside down ifnecessary to gain approximately 1 2 1 cm Ifyou need to install the header bracketon a 2x4 on wall or ceiling use lag screws notprovided to secure...

Page 13: ...ral supportwith the hardware provided UP Wall Mount Optional Mounting Holes Vertical Centerline of Garage Door Header Wall Header Bracket 2x4 Structural Support Door Spring Garage Door Highest Point o...

Page 14: ...osition the garage door opener To preventdamage to garage door restgarage door opener rail on 2x4 placed on top section ofdoor 1 Remove the packing material and liftthe garage door opener onto a ladde...

Page 15: ...16 9x1 5 8 1 On finished ceilings use the lag screws to attach a supportbracket notprovided to the structural supports before installing the garage door opener 2 Make sure the garage door opener is al...

Page 16: ...ERIOUS INJURY or DEATH from a falling garage door l Ifpossible use emergency release handle to disengage trolley ONLY when garage door is CLOSED Weak or broken springs or unbalanced door could resulti...

Page 17: ...stamped inside the bracket 2 Position the top edge ofthe bracket2 4 5 10 cm below the top edge ofthe door OR directly below any structural supportacross the top ofthe door 3 Mark drill holes and inst...

Page 18: ...allation needs NOTE The door bracketmay be installed on the top edge ofthe door ifrequired for your installation Refer to the dotted line optional placementdrawing For a door with no exposed framing o...

Page 19: ...rease door arm rigidity and attach using the bolts nuts and lock washers 5 Pull the emergency release handle toward the garage door opener until the trolley release arm is horizontal The trolley will...

Page 20: ...ch the curved door arm to the trolley using the clevis pin Secure with the ring fastener 5 Pull the emergency release handle toward the garage door opener until the trolley release arm is horizontal H...

Page 21: ...otreach and away from the moving parts ofthe door For gang box installations itis notnecessary to drill holes or install the drywall anchors Use the existing holes in the gang box NOTE Your productmay...

Page 22: ...1 mm ofinsulation from the end ofthe wire near the garage door opener 3 Connectthe wire to the red and white terminals on the garage door opener Ifyour garage is pre wired make sure you use the same w...

Page 23: ...EDs will light The garage door opener will notgo into the sleep mode until the garage door opener has completed 5 cycles upon power up When installing the safety reversing sensors check the following...

Page 24: ...The lenses on both sensors should pointtoward each other Make sure the lens is notobstructed by the sensor bracket Not provided No more than 6 inches 15 cm 1 2 Inside Garage Wall Not provided Lens Car...

Page 25: ...er Attach the wire to the wall and ceiling with the staples 2 Strip 7 16 inch 11 mm ofinsulation from each setofwires Separate the wires Twistthe white wires together Twistthe white black wires togeth...

Page 26: ...nectto the yellow wire and the white black wire would connectto the purple wire 4 Atthe garage door opener strip 7 16 inch 11 mm ofinsulation from each end ofthe wires previously chosen for the safety...

Page 27: ...ding type outlet Ifthe plug doesn tfitinto the outletyou have contacta qualified electrician to install the proper outlet THERE ARE TWO OPTIONS FOR CONNECTING POWER OPTION A TYPICAL WIRING 1 Plug in t...

Page 28: ...D Amber LED If the receiving sensor is in direct sunlight switch it with sending sensor so it is on the opposite side of the door invisible light beam SENDING SENSOR RECEIVING SENSOR IF THE AMBER LED...

Page 29: ...he amountofforce required to open and close the door The force is adjusted automatically when you program the travel NOTE Ifanything interferes with the door s upward travel itwill stop Ifanything int...

Page 30: ...efer to page 28 4 Press and hold the DOWN button until the door is in the desired DOWN position 5 Once the door is in the desired DOWN position press and release the AdjustmentButton The garage door o...

Page 31: ...r 2x4 laid flat remove the obstruction and run the opener through 3 or 4 complete travel cycles to testadjustment Ifthe garage door opener continues to fail the safety reversal test call a trained doo...

Page 32: ...remove the battery cover on the garage door opener 3 Partially insertthe battery into the battery compartmentwith the terminals facing out 4 Connectred and black wires from the garage door opener to...

Page 33: ...r to Close and Remote Close features are unavailable Battery status LED NOTE The Battery Status LED is mostvisible with the garage door opener lightoff Battery does not have to be fully charged to ope...

Page 34: ...s 8 NEVER use handle to pull garage door open or closed Ifrope knotbecomes untied you could fall 9 After ANY adjustments are made the safety reversal system MUST be tested 10 Safety reversal system MU...

Page 35: ...HE PROTECTOR SYSTEM SAFETY REVERSING SENSORS When properly connected and aligned the safety reversing sensors will detectan obstruction in the path ofthe infrared beam Ifan obstruction breaks the infr...

Page 36: ...e the garage door opener Push Bar LIGHT Button LOCK Button Command LED LEARN Button MULTI FUNCTION CONTROL PANEL FEATURES PUSH BAR Press the push bar to open or close the door LIGHTS Light Button Pres...

Page 37: ...ntrols are NOT compatible see page 42 for compatible accessories Programming can be done through the door control or the learn button the garage door opener To program additional accessories refer to...

Page 38: ...hanging straightdown LEARN LED LEARN Button click click 1 3 2 To Erase the Memory ERASE ALL REMOTE CONTROLS AND KEYLESS ENTRIES 1 Press and hold the LEARN button on garage door opener until the learn...

Page 39: ...ctions l NEVER use handle to pull door open or closed Ifrope knotbecomes untied you could fall DISCONNECT THE TROLLEY 1 The door should be fully closed ifpossible 2 Pull down on the emergency release...

Page 40: ...rtbattery positive side up Dispose ofold batteries properly 1 2 3 NOTICE To complywith FCC and orIndustryCanada IC rules adjustmentormodificationsofthistransceiverare prohibited THERE ARENOUSER SERVIC...

Page 41: ...h LEDs are steady and notflickering Make sure nothing is hanging or mounted on the door thatwould interruptthe sensor s path while closing 1 5 Door moves 6 8 stops or reverses Manually open and close...

Page 42: ...on battery power or the 12 Vdc battery needs to be replaced see page 31 l Garage door opener has been activated through a device or feature such as Timer to Close or garage door monitor see page 34 My...

Page 43: ...th ALL Chamberlain openers from 1993 present MyQ compatible Keychain Remote Control Works with ALL Chamberlain openers from 1993 present MyQ compatible With key ring PILCEV MyQ Remote Light Control Co...

Page 44: ...re paid Defective parts will be repaired or replaced with new or factory rebuilt parts at Seller s sole option You are responsible for any costs incurred in removing and or reinstalling the product or...

Page 45: ...ol Panel 41A7185 1 2 Remote Control 953ESTD Description Part Number 1 Curved Door Arm 178B35 2 Door Bracket with Clevis Pin and Fastener 41A5047 1 3 Emergency Release Rope and Handle 41A2828 4 Header...

Page 46: ...ight Lens 041D7570 4 Light Socket 41C279 5 Transformer 41A7635 6 Cover 041A7620 15 7 Motor with Travel Module 41D1739 1 8 End Panel for Receiver Logic Board with Light Socket 41D7638 9 Receiver Logic...

Page 47: ...46 Notes...

Page 48: ...2015 The Chamberlain Group Inc 114A4849B All Rights Reserved...

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