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Chamberlain C870 C870 Owner s Manual - English - Page 18

STEP 9 Connect the door arm to the trolley, OPTION A AL DOORS

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Installation 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 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. Attach the curved door arm to the door bracket using the clevis pin. Secure with the ring fastener. 4. Bring arm sections together. Find two pairs of holes that line up and join sections. Select holes as far apart as possible to increase 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 re-engage automatically when the garage door opener is activated. NOTE: If the holes in the curved door arm and the straight door arm do not align, reverse the straight door arm, select two holes (as far apart as possible) and attach using bolts, nuts, and lock washers. If the straight door arm is hanging down too far, you may cut 6 inches (15 cm) from the solid end. Clevis Pin 5/16"x1-1/4" Ring Fastener Ring Fastener Lock Washer Nut HARDWARE Clevis Pin 5/16"x1" Lock Washer 5/16" -18 Hex Bolt 5/16"-18x7/8" Nut 5/16"-18 Clevis Pin 5/16"x1" Clevis Pin 5/16"x1-1/4" 18 Hex Bolt Straight Door Arm (Groove facing out) Curved Door Arm

Section	Page
Preparation	2
Safety Symbol and Signal Word Review	2
Unattended Operation	2
Check the Door	2
Before You Connect with Your Smartphone	2
Additional Items You May Need:	3
Tools Needed	3
Carton Inventory	4
Hardware	5
Assembly	5
STEP 1 Assemble the rail and install the trolley	6
STEP 2 Fasten the rail to the motor unit	7
STEP 3 Install the idler pulley	7
STEP 4 Install the chain	8
STEP 5 Tighten the chain	9
STEP 6 Install the sprocket cover	9
Installation	9
STEP 1 Determine the header bracket location	11
STEP 2 Install the header bracket	12
OPTION A WALL INSTALLATION	12
OPTION B CEILING INSTALLATION	12
STEP 3 Attach the rail to the header bracket	13
STEP 4 Position the garage door opener	13
STEP 5 Hang the garage door opener	14
STEP 6 Install the light bulbs	15
STEP 7 Attach the emergency release rope and handle	15
STEP 8 Install the door bracket	16
OPTION A SECTIONAL DOORS	16
OPTION B ONE-PIECE DOORS	17
STEP 9 Connect the door arm to the trolley	18
OPTION A SECTIONAL DOORS	18
OPTION B ONE-PIECE DOORS	19
STEP 10 Install the door control	20
STEP 11 Wire the door control to the garage door opener	21
STEP 12 Attach the warning labels	21
STEP 13 Install the Protector System®	22
OPTION A DOOR TRACK INSTALLATION	22
OPTION B WALL INSTALLATION	23
OPTION C FLOOR INSTALLATION	23
STEP 14 Wire the Safety Reversing Sensors	24
OPTION A INSTALLATION WITHOUT PRE-WIRING	24
OPTION B PRE-WIRED INSTALLATION	25
STEP 15 Connect power	26
OPTION A TYPICAL WIRING	26
OPTION B PERMANENT WIRING	26
STEP 16 Aligning the safety reversing sensors	27
STEP 17 Ensure the door control is wired correctly	27
Adjustments	28
Introduction	28
One-Piece Doors Only	28
Programming Buttons	28
STEP 1 Program the Travel	29
STEP 2 Test the Safety Reversal System	30
STEP 3 Test the Protector System®	30
Battery Backup	30
STEP 1 Install the Battery	31
STEP 2 Test the Battery	31
Charge the Battery	31
MyQ® Smartphone Control	32
Connect With Your Smartphone	32
Operation	32
Using your Garage Door Opener	34
To Open the Door Manually	34
DISCONNECT THE TROLLEY	34
TO RE-CONNECT THE TROLLEY	34
Smart Control Panel®	35
MENU OPTIONS	35
Remote Control and Keyless Entry	36
PROGRAM USING THE DOOR CONTROL	36
HomeLink®	36
To Erase the Memory	37
ERASE ALL REMOTE CONTROLS AND KEYLESS ENTRIES	37
ERASE ALL REMOTE CONTROLS, KEYLESS ENTRIES AND MyQ® DEVICES FROM GARAGE DOOR ...	37
ERASE THE CONNECTION FROM GARAGE DOOR OPENER TO HOME Wi-Fi NETWORK	37
ERASE A MyQ® ACCOUNT	37
Maintenance	37
Maintenance Schedule	38
The Remote Control Battery	38
Troubleshooting	38
Diagnostic Chart	39
Accessories	41
Warranty	41
Repair Parts	43
Rail Assembly Parts	43
Accessories	43
Installation Parts	43

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Installation

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

SECTIONAL DOORS

IMPORTANT:

The groove on the straight door arm MUST face away from the curved door arm.

Close the door. Disconnect the trolley by pulling the emergency release handle.

Attach the straight door arm to the outer trolley using the clevis pin. Secure with the ring

fastener.

Attach the curved door arm to the door bracket using the clevis pin. Secure with the ring

fastener.

Bring arm sections together. Find two pairs of holes that line up and join sections. Select holes

as far apart as possible to increase door arm rigidity and attach using the bolts, nuts, and lock

washers.

Pull the emergency release handle toward the garage door opener until the trolley release

arm is horizontal.The trolley will re-engage automatically when the garage door opener is

activated.

NOTE:

If the holes in the curved door arm and the straight door arm do not align, reverse the straight

door arm, select two holes (as far apart as possible) and attach using bolts, nuts, and lock washers. If the

straight door arm is hanging down too far, you may cut 6 inches (15 cm) from the solid end.

HARDWARE

Hex Bolt 5/16"-18x7/8"

Nut 5/16"-18

Lock Washer

5/16" -18

Clevis Pin 5/16"x1"

Clevis Pin 5/16"x1-1/4"

Ring Fastener

Lock Washer

Nut

Hex Bolt

Clevis Pin

5/16"x1-1/4"

Ring Fastener

Clevis Pin 5/16"x1"

Straight

Door Arm

(Groove

facing out)

Curved

Door Arm