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Smart WI-FI Garage Door Opener

DC motor with LED lighting and belt- or chain-drive rail

Installation instructions 

For Sectional Type Doors

IMPORTANT SAFETY NOTES

Please read the instructions carefully! This garage door 

operator is designed to provide safe and reliable service 

if installed and tested as described in these instructions. 

A garage door is the largest mechanical appliance in a 

residence. Care must be taken to prevent injury or death 

during installation and operation of the garage door and 

garage door operator.

1  Check the Door Balance

1

 

From outside the garage, slowly open the door all 

the way, and then close it all the way. Notice if there 

is any binding, sticking or rubbing. The door should 

move smoothly in both directions.

2  Raise the garage door about halfway up. Carefully 

release the door and see if the door balances. It 

should stay in place. Close the door.

 

IMPORTANT:

 If the garage door is unbalanced or 

the door travel isn’t smooth, have a qualified garage 

door professional adjust or repair the door.

2  Attach the Rail to the Operator

1

 

Place the operator head on the garage floor with 

cardboard underneath it to protect the finish.

2  Align the rail over the center of the operator head.
3  Be sure the flat on the sprocket lines up with the flat 

on the drive shaft.

4  Slide the sprocket onto the shaft.
5

 

Attach the rail to the operator head by installing four 
¼-20 x ¾” bolts.

6  Tighten the four bolts in the order shown with a 7/16” 

socket.

3  Locate the Header Bracket Position

1

 

Close the door.

2 From inside the garage, use a pencil to mark the 

vertical centerline of the door on the header wall and 

on the top panel of the door.

3

 

Examine the area above the center of the door on the 

door header wall for a header bracket mounting location.

4

 

Open the door to the high-rise point (the point where 

the top edge of the door is highest above the floor) 

and measure the distance to the floor.

5  Close the door and use a pencil to mark the header 

wall 1” above the measured high-rise point.

 

NOTE:

 In some installations, the header bracket 

location will be higher than the door header. This will 

require adding a 2x4 (or larger) cross piece to the wall 

studs to provide a mounting location for the header 

bracket. Use lag screws (not supplied) to attach the 

2x4 to the studs.

6

 

On doors with low headroom, the header bracket 

can be attached to the ceiling up to 6” back from the 

header wall (see next step).

4  Install the Header Bracket

Attaching the Header Bracket to the Wall

1

 

Hold the header bracket on the center line drawn 

above the door with the bottom edge of the bracket 

on the line marked above the high-rise point.

2  Use a pencil to mark the two bracket holes.
3  Drill two 3/16” pilot holes about 2” deep.
4 Use a ½” socket to fasten the bracket with two 

5/16” x 2” lag screws.

Attaching the Header Bracket to the Ceiling 

 

NOTE:

 On a finished ceiling, be sure there is a joist 

to fasten to under the sheetrock where the header 

bracket will be located (use a stud finder). If there 

is none, install a 2x4 cross piece between the two 

closest joists to fasten the header bracket onto.

1

 

Extend the center line drawn on the header wall 

along the ceiling.

2

 

Hold the bracket on the center line with the edge of 

the bracket no further than 6” from the header wall.

3  Use a pencil to mark the two bracket holes.
4  Drill two 3/16” pilot holes about 2” deep.
5 Use a ½” socket to fasten the bracket with two  

5/16” x 2” lag screws.

5  Connect the Rail to the Header Bracket

1

 

Place assembled operator on the empty carton on the 

floor with rail towards the door.

2  Insert the end of the rail into header bracket.
3  Insert the 5/16” x 2-3/8” clevis pin through header 

bracket and rail.

4  Secure the clevis pin with the hitch pin.

6  Hang the Operator

Installation requirements vary with garage construction. 

Hanging brackets should be angled to provide rigid 

support. Hanging material is not provided. Angle iron 

and lag screws are recommended. DO NOT USE NAILS. 

Following are typical operator hanging methods. Certain 

installations will require improvised methods.

1 Raise the operator head and set it on top of a 

stepladder (use extra spacers on top of ladder if it 

isn’t tall enough).

2  Carefully open the door to the full up position. Lay a 

2x4 across the top section of the door as a spacer. 

Adjust the operator height until the rail touches the 

spacer. The rail should be close to level.

3  Center the operator head and rail with the centerline 

mark on the top of the door.

4  For finished ceilings only: An angle iron cross piece 

between the two closest joists above the operator will 

be required. Mark mounting hole locations, drill pilot 

holes and attach the piece with two lag screws (not 

supplied).

5 Measure the distance from each of the operator’s 

hanging tabs to the ceiling joists or angle iron cross 

piece.

6  Cut two angle iron pieces to the required lengths for 

hanging brackets. Bend brackets if required.

  • For unfinished ceilings: Hold each bracket in place 

and use a pencil to mark the locations where they will 

be attached to the joists, drill pilot holes and attach 

the pieces with two lag screws (not supplied).

  • For finished ceilings with an angle iron cross piece: 

Attach the two hanging brackets to the cross piece 

with two bolts and two keps nuts (not supplied).

7 Attach operator to hanging brackets using two 

5/16-18 x 1” hex bolts and two 5/16-18 keps nuts 

(supplied). Insert bolts from the inside of hanger 

brackets with the nuts on the outside of the operator. 

Tighten nuts with a ½” socket.

8  Tighten all hanging hardware.
9  Open and close the door manually. The door should 

clear the rail by at least 1”.

10 Attach the trolley’s release lever to the red release 

handle with the cord supplied so the handle is at 

least 6 feet from the floor. Cut off any excess cord.

THE DOOR SHOULD
BALANCE WITHOUT
GOING UP OR DOWN

CHECKING THE DOOR BALANCE

LINE UP THE RAIL OVER THE DRIVE SHAFT

ON TOP OF THE OPERATOR HEAD

ALIGNING THE RAIL

BE SURE THE FLAT ON THE SPROCKET

LINES UP WITH THE FLAT ON THE DRIVE SHAFT

CHAIN DRIVE

BELT DRIVE

TIGHTEN THE RAIL-TO-HEAD BOLTS IN THIS ORDER

R

1

2

3

4

INSTALL FOUR 1/4-20 x 3/4"
RAIL-TO-HEAD BOLTS
USING A 7/16" SOCKET

T

E

PULL THE CHAIN OR BEL
AWAY FROM THE RAIL TO
FIT THE SOCKET ON TH
FRONT  BOLTS 

ATTACHING THE RAIL

MATING THE SPROCKET AND SHAFT

TABS FIT INTO SLOTS

SLIDE THE SPROCKET

INTO THE SHAFT

CHAIN DRIVE

BELT DRIVE

MARK THE CENTERLINE
OF THE DOOR ON THE
HEADER AND THE TOP

DOOR PANEL

MARKING THE CENTERLINE

HIGH-RISE 
POINT

MARK HEADER
1" ABOVE 

DOOR

MARKING ABOVE THE HIGH-RISE POINT

CENTERLINE OF DOOR

1 INCH

HIGH-RISE POINT
OF DOOR

ATTACH HEADER

BRACKET WITH 
TWO 5/16" x 2" 

LAG SCREWS

1/2" SOCKET

ATTACHING THE HEADER BRACKET

DOOR

HEADER
WALL

NO MORE

THAN 6 INCHES

CENTERLINE OF DOOR

FOR LOW HEADROOM

DOOR INSTALLATIONS ONLY

ATTACHING THE HEADER BRACKET TO THE CEILING

INSERT HITCH PIN
INTO CLEVIS PIN

2-3/8" LONG
CLEVIS PIN

CONNECTING THE RAIL

PREPARING TO HANG THE OPERATOR

TYPICAL HANGING BRACKET
ASSEMBLY USING A CROSSPIECE

TYPICAL HANGING BRACKETS
SCREWED DIRECTLY TO JOISTS

HANGING BRACKET OPTIONS

PLACE A 2x4 SPACER 

BETWEEN THE DOOR AND RAIL

ADJUST HEIGHT 

AS REQUIRED

ADJUSTING OPERATOR HEIGHT

DOOR

HANGING THE OPERATOR

HANG OPERATOR
WITH TWO 5/16-18 x 1"
BOLTS AND NUTS

 WARNING 

This type of warning note is used to indicate 
possible mechanical hazards that may cause 
serious injuries or death.

  CAUTION 

This type of warning note is used to indicate 
the possibility of damage to the garage door or 
garage door operator.

 WARNING 

This type of warning note is used to indicate 
possible electrical shock hazards that may cause 
serious injuries or death.

THE FOLLOWING FORMATS ARE USED FOR SAFETY 

NOTES IN THESE INSTRUCTIONS.

PRINTER’S INSTRUCTIONS:

 

INSTR,INSTL,LDCO,PVT LBL ENTREMATIC AMARR860,AMARR840, ENGLISH; GTO PN: 10014456; INK: BLACK; MATERIAL: 20# MEAD BOND; SIZE: 17.000” x 22.000”; FOLDING: 2-FOLDS VERTICAL, 1-FOLD HORIZONTAL, FINISH 8.500” X 5.500” WITH LOGO SHOWING; SCALE: 1-1; SIDE 1 OF 2 

AMARR860 and AMARR840

Manufactured by:

GTO Access Systems, LLC

USA & Canada (844) 256-3130

www.gtoaccess.com

IMPORTANT INSTALLATION SAFETY INSTRUCTIONS

 WARNING 

TO REDUCE THE RISK OF SEVERE INJURY OR DEATH TO PERSONS, 

REVIEW THESE INSTALLATION SAFETY STEPS BEFORE PROCEEDING

1  READ AND FOLLOW ALL INSTALLATION INSTRUCTIONS.
2   Install only on a properly balanced sectional garage door. An improperly balanced door could result in severe 

injury or death. Repairs to cables, spring assemblies, and other hardware must be made by a qualified service 

person before installing the opener.

3   Disable all locks and remove all ropes connected to the garage door before installing the opener. Ropes con-

nected to a garage door can cause entanglement and death.

4   If possible, install door opener 7 feet or more above the floor with the manual release handle mounted 6 feet 

above the floor.

5   Do not connect the opener to the power source until instructed to do so.
6   Locate the wall station or push button within sight of the door at a minimum height of 5 feet so that small 

children cannot reach it. Locate the wall station or push button away from all moving parts of the door.

7   Install the User Safety Label on the wall adjacent to the wall station or push button.
8   Upon completion of the installation, the door must reverse when it comes in contact with a 1-1/2” high object 

(or a 2x4 laid flat at the center of the door) on the floor and when the infrared safety beam is blocked.

9   Do not wear watches, rings or loose clothing while installing or servicing an opener. Jewelry or loose clothing 

can be caught in the mechanism of the garage door or the opener.

10  DISCONNECT THE ELECTRIC POWER FROM THE GARAGE DOOR Opener BEFORE MAKING ANY REPAIRS OR 

REMOVING THE COVER.

11  Disconnecting the Door from the Opener:  With the door in any position (preferably closed), carefully pull the red 

release handle. USE CAUTION IF THE DOOR IS OPEN. An open or partially open door may fall rapidly if discon-

nected from the opener. Do not allow anyone in the path of the door.

12  Use this operator only with sectional overhead door no more than 10FT tall.

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