Owner’s Manual Contents C870 Preparation ......................................2-5 Chain Drive Garage Door Opener Installation .................................. 10-27 FOR RESIDENTIAL USE ONLY PRE-PROGRAMMED REMOTE CONTROL INCLUDED Assembly .........................................6-9 Install the Door Control ............ 20-21 Install the Protector System® .... 22-25 Power...................................... 26-27 Adjustments................................. 28-30 Battery Backup ..................
Preparation Safety Symbol and Signal Word Review Check the Door This garage door opener has been designed and tested to offer safe service provided it is installed, operated, maintained and tested in strict accordance with the instructions and warnings contained in this manual. Mechanical Electrical To prevent possible SERIOUS INJURY or DEATH: l ALWAYS call a trained door systems technician if garage door binds, sticks, or is out of balance. An unbalanced garage door may NOT reverse when required.
Preparation Test the Wi-Fi® Signal Strength in your garage Tools Needed You will need a router with Wi-Fi and a smartphone or other mobile device. Make sure your mobile device is connected to your Wi-Fi network. Hold your mobile device in the place where your garage door opener will be installed and check the Wi-Fi signal strength. Check Signal Strength. If you see: Wi-Fi signal is strong. You’re all set! Install your new garage door opener. Wi-Fi signal is weak.
Preparation Carton Inventory Save the carton and packing material until the installation and adjustment is complete. Instructions for the accessories will be attached to the accessory and are not included in this manual. The images throughout this manual are for reference only and your product may look different. Model Power C870 Max Lift Power System™ A. B. C. D. E. F. G. H. I. J. K. L. M. N. O. P.
Preparation Hardware ASSEMBLY Bolt 1/4"-20x1-3/4" Threaded Shaft Self-Threading Screw 1/4"-14x5/8" (2) Clevis Pin 5/16"x1-1/2" Drywall Anchors (2) Clevis Pin 5/16"x1-1/4" Master Link Screw 6-32x1" (2) Carriage Bolt 1/4"-20x1/2" (2) Nut 3/8" Wing Nut 1/4"-20 (2) Lag Screw 5/16"-9x1-5/8" (4) Clevis Pin 5/16"x1" Lock Nut 1/4"-20 DOOR CONTROL INSTALLATION Bolt Hex Bolt 5/16"-18x7/8" (4) Lock Washer 3/8" Nut 5/16"-18 (6) Lock Washer 5/16"-18 (5) Ring Fastener (3) Screw 6ABx1" (2) Insulated Sta
Assembly STEP 1 Assemble the rail and install the trolley Slide to stops on top and sides of “U” bracket To prevent INJURY from pinching, keep hands and fingers away from the joints while assembling the rail. To avoid installation difficulties, do not run the garage door opener until instructed to do so. The front rail has a cut out “window” at the door end. The rail tab MUST be on top of the rail when assembled. 1.
Assembly STEP 2 Fasten the rail to the motor unit STEP 3 Install the idler pulley 1. Lay the chain/cable beside the rail, as shown. Grasp the end of the cable and pass approximately 12" (30 cm) of cable through the window. Allow it to hang until Assembly Step 4. 2. Remove the tape from the idler pulley. The inside center should be pre-greased. If dry, regrease to ensure proper operation. 3. Place the idler pulley into the window as shown. 4. Insert the idler bolt from the top through the rail and pulley.
Assembly STEP 4 Install the chain HARDWARE Master Link Threaded Shaft To avoid possible SERIOUS INJURY to finger from moving garage door opener: l ALWAYS keep hand clear of sprocket while operating opener. l Securely attach sprocket cover BEFORE operating. c. b. 1. Pull the cable around the idler pulley and toward the trolley. 2. Connect the cable to the retaining slot on the trolley, as shown. (Figure 1) a. Push pins of master link bar through cable link and trolley slot. b.
Assembly STEP 5 Tighten the chain STEP 6 Install the sprocket cover 1. Spin the inner nut and lock washer down the trolley threaded shaft, away from the trolley. 2. To tighten the chain, turn the outer nut in the direction shown. 3. When the chain is approximately 1/4" (6 mm) above the base of the rail at it's midpoint, retighten the inner nut to secure the adjustment. To avoid possible SERIOUS INJURY to finger from moving garage door opener: l ALWAYS keep hand clear of sprocket while operating opener.
Installation IMPORTANT INSTALLATION INSTRUCTIONS To reduce the risk of SEVERE INJURY or DEATH: 1. READ AND FOLLOW ALL INSTALLATION WARNINGS AND INSTRUCTIONS. 2. Install garage door opener ONLY on properly balanced and lubricated garage door. An improperly balanced door may NOT reverse 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.
Installation STEP 1 Determine the header bracket location Header Wall 2x4 To prevent possible SERIOUS INJURY or DEATH: l Header bracket MUST be RIGIDLY fastened to structural support on header wall or ceiling, otherwise garage door might NOT reverse when required. DO NOT install header bracket over drywall. l Concrete anchors MUST be used if mounting header bracket or 2x4 into masonry.
Installation WALL INSTALLATION STEP 2 Install the header bracket Header Wall You can attach the header bracket either to the wall above the garage door, or to the ceiling. Follow the instructions which will work best for your particular requirements. Do not install the header bracket over drywall. If installing into masonry, use concrete anchors (not provided).
Installation STEP 3 Attach the rail to the header bracket STEP 4 Position the garage door opener 1. Position the opener on the garage floor below the header bracket. Use packing material as a protective base. NOTE: If the door spring is in the way, you will need help. Have someone hold the opener securely on a temporary support to allow the rail to clear the spring. 2. Position the rail bracket against the header bracket. 3. Align the bracket holes and join with a clevis pin as shown. 4.
Installation STEP 5 Hang the garage door opener HARDWARE Nut 5/16"-18 Lag Screw 5/16"-9x1-5/8" To avoid possible SERIOUS INJURY from a falling garage door opener, fasten it SECURELY to structural supports of the garage. Concrete anchors MUST be used if installing ANY brackets into masonry. Lock Washer 5/16"-18 Hex Bolt 5/16"- 18x7/8" Hanging the garage door opener will vary depending on your garage. Below are three example installations. Your installation may be different.
Installation STEP 6 Install the light bulbs STEP 7 Attach the emergency release rope and handle To prevent possible OVERHEATING of the end panel or light socket: l Use ONLY A19 incandescent (100W maximum) or compact fluorescent (26W maximum) light bulbs. l DO NOT use incandescent bulbs larger than 100W. l DO NOT use compact fluorescent light bulbs larger than 26W (100W equivalent). l DO NOT use halogen bulbs. l DO NOT use short neck or specialty light bulbs.
Installation HARDWARE STEP 8 Install the door bracket Self-Threading Screw 1/4"-14x5/8" Fiberglass, aluminum or lightweight steel garage doors WILL REQUIRE reinforcement BEFORE installation of door bracket. Contact the garage door manufacturer or installing dealer for opener reinforcement instructions or reinforcement kit. Failure to reinforce the top section as required according to the door manufacturer may void the door warranty.
Installation Header Wall STEP 8 Install the door bracket (continued) OPTION B ONE-PIECE DOORS 2x4 Support (Finished Ceiling) Header Bracket 1. Center the door bracket on the top of the door, in line with the header bracket as shown. 2. Mark either the left and right, or the top and bottom holes. Metal Doors: l Drill 3/16" pilot holes and fasten the bracket with the self-threading screws provided.
Installation HARDWARE STEP 9 Connect the door arm to the trolley Installation will vary according to the garage door type. Follow the instructions which apply to your door. OPTION A SECTIONAL DOORS Clevis Pin 5/16"x1-1/4" IMPORTANT: The groove on the straight door arm MUST face away from the curved door arm. 1. Close the door. Disconnect the trolley by pulling the emergency release handle. 2. Attach the straight door arm to the outer trolley using the clevis pin. Secure with the ring fastener. 3.
Installation STEP 9 Connect the door arm to the trolley (continued) OPTION B ONE-PIECE DOORS Straight Door Arm (Groove facing out) IMPORTANT: The groove on the straight door arm MUST face away from the curved door arm. 1. Close the door. Disconnect the trolley by pulling the emergency release handle. 2. Fasten the straight door arm and the curved door arm together to the longest possible length (with a 2 or 3 hole overlap) using the bolts, nuts, and lock washers. 3.
Installation 1. Strip 7/16 inch (11 mm) of insulation from one end of the wire and separate the wires. 2. Connect one wire to each of the two screws on the back of the door control. The wires can be connected to either screw. If your garage is pre-wired for the door control choose any two wires to connect, note which wires are used so the correct wires are connected to the garage door opener in a later step. 3. Mark the location of the bottom mounting hole and drill a 5/32 inch hole. 4.
Installation STEP 11 Wire the door control to the garage door opener STEP 12 Attach the warning labels 1. Run the white and red/white wire from the door control to the garage door opener. Attach the wire to the wall and ceiling with the staple (not applicable for gang box or pre-wired installations). Do not pierce the wire with the staple as this may cause a short or an open circuit. 2. Strip 7/16 inch (11 mm) of insulation from the end of the wire near the garage door opener. 3.
Installation STEP 13 Install the Protector System® HARDWARE Wing Nut 1/4"-20 Carriage Bolt 1/4"-20 x 1/2" Be sure power is NOT connected to the garage door opener BEFORE installing the safety reversing sensor. To prevent SERIOUS INJURY or DEATH from closing garage door: l Correctly connect and align the safety reversing sensor. This required safety device MUST NOT be disabled. l Install the safety reversing sensor so beam is NO HIGHER than 6" (15 cm) above garage floor.
Installation OPTION C FLOOR INSTALLATION STEP 13 Install the Protector System® (continued) OPTION B WALL INSTALLATION Use an extension bracket (not provided) or wood block to raise the sensor bracket if needed. 1. Carefully measure the position of both sensor brackets so they will be the same distance from the wall and unobstructed. 2. Attach the sensor brackets to the floor using concrete anchors (not provided). 3. Slide the carriage bolt into the slot on each sensor. 4.
Installation HARDWARE STEP 14 Wire the Safety Reversing Sensors Insulated Staple (Not Shown) If your garage already has wires installed for the safety reversing sensors, proceed to page 25. 1 OPTION A INSTALLATION WITHOUT PRE-WIRING 2 Staple 1. Run the wire from both sensors to the garage door opener. Attach the wire to the wall and ceiling with the staples. 2. Strip 7/16 inch (11 mm) of insulation from each set of wires. Separate the wires. Twist the white wires together.
Installation 1 STEP 14 Wire the Safety Reversing Sensors (continued) 2 Safety reversing sensor wires OPTION B PRE-WIRED INSTALLATION 1. Cut the end of the safety reversing sensor wire, making sure there is enough wire to reach the pre-installed wires from the wall. 2. Separate the safety reversing sensor wires and strip 7/16 inch (11 mm) of insulation from each end. Choose two of the pre-installed wires and strip 7/16 inch (11 mm) of insulation from each end.
Installation THERE ARE TWO OPTIONS FOR CONNECTING POWER: STEP 15 Connect power OPTION A TYPICAL WIRING 1. Plug in the garage door opener into a grounded outlet. 2. DO NOT run garage door opener at this time. To prevent possible SERIOUS INJURY or DEATH from electrocution or fire: l Be sure power is NOT connected to the opener, and disconnect power to circuit BEFORE removing cover to establish permanent wiring connection.
Installation IF THE AMBER LED ON THE SENDING SENSOR IS NOT GLOWING: 1. Make sure there is power to the garage door opener. 2. Make sure the sensor wire is not shorted/broken. 3. Make sure the sensor has been wired correctly: white wires to white terminal and white/black wires to grey terminal. STEP 16 Aligning the safety reversing sensors The door will not close if the sensors have not been installed and aligned correctly.
Adjustments One-Piece Doors Only Introduction When setting the UP travel for a one-piece door ensure that the door does not slant backwards when fully open (UP). If the door is slanted backwards this will cause unnecessary bucking and/or jerking when the door is opening or closing. Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.
Adjustments STEP 1 Program the Travel UP Button Adjustment Button Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. l Incorrect adjustment of garage door travel limits will interfere with proper operation of safety reversal system. l After ANY adjustments are made, the safety reversal system MUST be tested. Door MUST reverse on contact with 1-1/2" (3.8 cm) high object (or 2x4 laid flat) on floor.
Adjustments STEP 3 Test the Protector System® STEP 2 Test the Safety Reversal System Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. l Safety reversal system MUST be tested every month. l After ANY adjustments are made, the safety reversal system MUST be tested. Door MUST reverse on contact with 1-1/2" (3.8 cm) high object (or 2x4 laid flat) on the floor.
Battery Backup 4. Connect red (+) and black (-) wires from the garage door opener to the corresponding terminals on the battery. 5. Replace the battery cover. 6. Plug in the garage door opener. 7. Wait for the green Battery Status LED to start flashing before proceeding to test the battery. STEP 1 Install the Battery To reduce the risk of FIRE or INJURY to persons: l Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
MyQ® Smartphone Control Get Connected 3. CONNECT THE GARAGE DOOR OPENER TO YOUR HOME Wi-Fi NETWORK …and control your garage door opener with the MyQ® App. Launch the web browser (such as Safari or Chrome) on your mobile device and go to "setup.myqdevice.com". Follow the on-screen prompts to add the garage door opener to your home Wi-Fi network. You will need: l A smartphone or tablet l Broadband Internet connection l A strong Wi-Fi signal (2.4 Ghz, 802.
Operation IMPORTANT INSTALLATION INSTRUCTIONS To reduce the risk of SEVERE INJURY or DEATH: 1. READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS. 2. ALWAYS keep remote controls out of reach of children. NEVER permit children to operate or play with garage door control push buttons or remote controls. 3. ONLY activate garage door when it can be seen clearly, it is properly adjusted, and there are no obstructions to door travel. 4.
Operation Using your Garage Door Opener l l To Open the Door Manually The garage door opener can be activated with a wall-mounted door control, remote control, wireless keyless entry, MyQ® Smartphone Control app or MyQ® Garage Door Monitor. When the door is closed and the garage door opener is activated the door will open. If the door senses an obstruction or is interrupted while opening the door will stop.
Operation Smart Control Panel® MENU OPTIONS SYNCHRONIZE THE DOOR CONTROL: To synchronize the door control to the garage door opener, press the push bar until the garage door opener activates (it may take up to 3 presses). Test the door control by pressing the push bar; each press of the push bar will activate the garage door opener. Push Bar Screen CLOCK SETUP: Set the time; choose 12 or 24 hour clock and show/hide clock.
Operation MENU OPTIONS (CONTINUED) Remote Control and Keyless Entry TIMER-TO-CLOSE (TTC) (Factory default is set to off): The Timer-to-Close feature automatically closes the door after a specified time period and can be adjusted using the door control. DO NOT enable TTC if operating a one-piece door. TTC is to be used ONLY with sectional doors. The garage door opener will beep and the lights will flash before closing the door.
Operation 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 LED goes out (approximately 6 seconds). All remote control and keyless entry codes are now erased. Reprogram any accessory you wish to use. ERASE ALL REMOTE CONTROLS, KEYLESS ENTRIES AND MyQ® DEVICES FROM GARAGE DOOR OPENER 1. Press and hold the LEARN button on garage door opener until the learn LED goes out (approximately 6 seconds). 2.
Maintenance Maintenance Schedule The Remote Control Battery EVERY MONTH l Manually operate door. If it is unbalanced or binding, call a trained door systems technician. l Check to be sure door opens and closes fully. Adjust if necessary, see page 28. l Test the safety reversal system. Adjust if necessary, see page 30. To prevent possible SERIOUS INJURY or DEATH: l NEVER allow small children near batteries. l If battery is swallowed, immediately notify doctor.
Troubleshooting Diagnostic Chart Your garage door opener is programmed with self-diagnostic capabilities. The UP and DOWN arrows on the garage door opener flash the diagnostic codes. DIAGNOSTIC CODE Up Arrow Down Arrow Flash(es) Flash(es) SYMPTOM SOLUTION 1 1 The garage door opener will not close and the light bulbs flash. Safety reversing sensors are not installed, connected, or wires may be cut. Inspect sensor wires for a disconnected or cut wire.
Troubleshooting DIAGNOSTIC CODE Up Arrow Down Arrow Flash(es) Flash(es) 4 6 SYMPTOM SOLUTION The garage door opener will not close and the light bulbs flash. Safety reversing sensors are misaligned or were momentarily obstructed. Realign both sensors to ensure both LEDs are steady and not flickering. Make sure nothing is hanging or mounted on the door that would interrupt the sensor’s path while closing.
Accessories 7708CB 8 Foot (2.4 m) Rail Extension: To allow an 8 foot (2.4 m) door to open fully. 041A5281-1 Extension Brackets: (Optional) For safety reversing sensor installation onto the wall or floor. 940EV Wireless Keypad: For use outside of the home to enable access to the garage using a 4-digit PIN. Works with ALL Chamberlain openers from 1993-present. MyQ® compatible. 953EV Remote Control: Works with ALL Chamberlain openers from 1993-present. MyQ® compatible. Includes visor clip.
Warranty CHAMBERLAIN® LIMITED WARRANTY The Chamberlain Group, Inc.® (“Seller”) warrants to the first 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 specific period of time as defined below (the “Warranty Period”). The warranty period commences from the date of purchase. STOP! This garage door opener WILL NOT work until the safety reversing sensors are properly installed and aligned.
Repair Parts Rail Assembly Parts Installation Parts Description Part Number 1 Chain and Cable 2 Pulley Kit 041A5807 3 Master Link 4 Rail 5 Trolley Assembly 041C5141-1 6 “U” Bracket 041D0598-1 Description 2 1 144C56 1 Curved Door Arm 2 Door Bracket with Clevis Pin and Fastener 3 Emergency Release Rope and Handle 4A1008 041A5665 3 Not Shown Wear Pads 183A163 Hardware Bag 041A7920-1 4 5 ® 1 Smart Control Panel 2 3-Button Remote Control 953ESTD 11 Remote Control Visor C
Repair Parts Description Garage Door Opener Parts 1 3 4 10 2 9 4 3 Sprocket and Sprocket Cover 2 End Panel with Light Socket 3 Light Lens 4 Light Socket 041C0279 5 Transformer 041D0277-1 6 Cover 7 Motor with Travel Module 8 Receiver Logic Board End Panel with Light Socket 9 Receiver Logic Board 10 Line Cord 11 11 Terminal Block 8 Part Number 1 041D8526 041D7639-1 041D7572 041D8807 041D8006-1 041D8214 050DCTWF 041B4245-1 041A3150 Not Shown 7 Wire Harness 5 041D8255 6