Home Master GDR02 User manual

Operator’s Manual
GARAGE DOOR OPENER
CAUTION:
Before using this Garage Door Opener, Read this manual and follow
All its Safety Rules and Operating Instructions
▓Safety Instructions▓Installation▓Operation Maintenance▓Parts List
Power Tool Specialists Inc.
Visit ourHome Master website: www.homemaster-gdo.com
Customer Help Line
1-800-243-5114
MODEL:GDR02

ii 1/2 HP Chain Drive Garage Door Opener
Table of Contents
Before You Begin........................................................................................................................................ 1
Tools Required for Assembly.................................................................................................................... 3
Materials Not Included In The Carton...................................................................................................... 3
Preparing The Installation Site.................................................................................................................. 4
Ass embling the Garage Door Opener Rail and Chain.......................................................................... 5
A) Assemble the Rail andAttach the Cable........................................................................................ 5
B) Attaching the Rail to Motor As sembly............................................................................................. 7
C) Attach the Chain to the Motor and Trolley..................................................................................... 9
Mounting the Assembled Garage Door Opener...................................................................................12
Attach the Motor Assem bly to Ceiling....................................................................................................16
Ins tall Safety Sens ors and Rem ote Switches ......................................................................................17
A) Install the Safety Revers ing Sens ors ........................................................................................... 17
B) Install The Premium Control Cons ole...........................................................................................20
C) Install the Keyless Entry Control Pad...........................................................................................22
Attach The Door Brackets To The Garage Door And Garage Door Bracket...................................23
Testing and Adjusting the Garage Door Opener..................................................................................29
A) Adjus ting the Chain Tens ion...........................................................................................................29
B) Testing and Adjus ting the Door Range of Motion .......................................................................29
C) Testing and Adjus ting the Safety Revers ing Sensors ................................................................31
D) Testing and Adjusting Door Force.................................................................................................31
E) Testing and Adjus ting The Safety Reverse Feature...................................................................32
Programm ing the Remote Controls .......................................................................................................33
Using your Garage Door Opener...........................................................................................................35
Caring for your Garage Door Opener....................................................................................................36
Hom elink Programm ing ...........................................................................................................................37
Troubleshooting........................................................................................................................................39
Parts List and Schematic Diagrams.......................................................................................................41
Parts List: Schematic A- Rail Assemblyand Other Parts ..............................................................41
Parts Lis t: Schem atic B - Motor As s embly........................................................................................43
Table of Contents

iii 1/2 HP Chain Drive Garage Door Opener
Before You Begin........................................................................................................................................ 1
Tools Required for Assembly.................................................................................................................... 3
Materials Not Included In The Carton...................................................................................................... 3
Preparing The Installation Site.................................................................................................................. 4
As s embling Rail Components................................................................................................................... 5
A) Attaching the Trolley & Header Bracket to the Rail...................................................................... 5
B) Attaching the Rail to the Motor As sembly...................................................................................... 7
C) Attaching the Chain to the Motor & Rail As sembly....................................................................... 9
Mounting the Assembled Garage Door Opener...................................................................................12
Attach the Motor Assem bly to Ceiling....................................................................................................16
Ins tall Safety Sens ors and Rem ote Switches ......................................................................................17
A) Install the Safety Revers ing Sens ors ........................................................................................... 17
B) Install The Door Bell........................................................................................................................20
C) Install the Keyless Entry Control Pad...........................................................................................22
Attach The Door Brackets To The Garage Door And Garage Door Bracket...................................23
Testing and Adjusting the Garage Door Opener..................................................................................29
A) Adjus ting the Chain Tens ion...........................................................................................................29
B) Testing and Adjus ting the Door Range of Motion .......................................................................29
C) Testing and Adjus ting the Safety Revers ing Sensors ................................................................31
D) Testing and Adjusting Door Force.................................................................................................31
E) Testing and Adjus ting The Safety Reverse Feature...................................................................32
Programm ing the Remote Controls .......................................................................................................33
Using your Garage Door Opener...........................................................................................................35
Caring for your Garage Door Opener....................................................................................................36
Hom elink Programm ing ...........................................................................................................................37
Troubleshooting........................................................................................................................................39
Parts List and Schematic Diagrams.......................................................................................................41
Parts List: Schematic A- Rail Assemblyand Other Parts ..............................................................41
Parts Lis t: Schem atic B - Motor As s embly........................................................................................43

1 1/2 HP Chain Drive Garage Door Opener
Before You Begin
Before you begin, make sure you have all the loose parts that shipped in the carton

2 1/2 HP Chain Drive Garage Door Opener

3 1/2 HP Chain Drive Garage Door Opener
Tools Required for Assembly
To make sure the installation goes smoothly, have the following tools on hand before you begin:
Materials Not Included In The Carton
You may need additional hardware (not included) to install thisgarage door opener, depending onyourparticular
situation:
• Additional brackets are needed to secure the garage door opener to thedoor or frame if the door ismore than
7 feet tall or if there is not a suitable mounting surface near the door opener.
• The safety reve rsal syste m wi ll not work if there i s more than ¼ “ sp ace under the do or due to uneven dri veway,
warped or broken door, etc. Fix such conditions before installing your door opener.
• Thin, aluminum or brittle wood doors may require additional brackets or support.
Safety Precautions
Be sure to follow safety precautions while installing your garage door opener:
• To reduce the risk of electrical shock, do not install electrical equipment when standingin wateror on a wet
driveway or garage floor.
• Be sure to securely fasten the garage door opener to the garage door and totheceiling. Failure to secure the
garage door opener can lead to damaged property or personal injury or death.
• Be sure to properly adjust the emergency reversal system. A poorly installed oradjustedemergency reversal
syst e m wil l n o t wo rk and may result in property damage or personal injury or death.
• Keeps fingers, hands, etc. away from moving parts. Do not touch moving garage door opener parts.
• Do not stand under the garage door when adjusting & operating the opener.

4 1/2 HP Chain Drive Garage Door Opener
Preparing The Installation Site
You need a minimum of 2” clearance between the top of the garage door opener rail andceiling. Make sure there is
enough room and no obstructions where the garage door opener will be installed.
2”

5 1/2 HP Chain Drive Garage Door Opener
Assembling Rail Components
Assembling the garage door opener rail components are completed in three main steps:
A) Attaching the Trolley & HeaderBracket to the Rail
B) Attaching the Rail to the Motor Assembly
C) Attaching the Chain to the Motor and Rail Assembly
A) Attaching the Trolley & Header Bracket to the Rail
To avoid injury or death, be sure to securely assemble garage door opener components.
1. Slide the Inner Trolley into the Outer Trolley until it snaps into place.
2. Slide the Trolley onto the rail exactly as shown.
Front of Rail
Inner Trolley
Outer Trolley

6 1/2 HP Chain Drive Garage Door Opener
3. Secure the Header Section to the rail using four carriage bolts (M6-16)and four nuts(M6). Position header
so the square holes are at the bottom of the rail.

7 1/2 HP Chain Drive Garage Door Opener
B) Attaching the Rail to the Motor Assembly
To avoid injury or death:
• Be sure to securely assemble garage door opener components.
• Never touch any moving part while the garage door opener is in operation.
• Do not attempt to fix the garage door opener if it jams or malfunctions. Call a garage door installation
professional for assistance.
• Keep fingers and handsaway from all moving parts.
• Do not attempt to operate the garage door opener at this time.
1. Remove the motor assembly and place it gear-side-up on a towel or othersurface that won’t scratch the
housing.
2. Attach the rail section to the motorassembly using three hex bolts(M8-16) and three spring washers(∅8).

8 1/2 HP Chain Drive Garage Door Opener
3. Attach the two chain spreaders to the end of the rail with one screw (M4-10) and flat washer(#8)for
each spreader.

9 1/2 HP Chain Drive Garage Door Opener
Emergency Release Lever
C) Attaching the Chain to the Motor and Rail Assembly
To avoid injury or death:
• Be sure to securely assemble garage door opener components.
• Never touch any moving part while the garage door opener is in operation.
• Do not attempt to fix the garage door opener if it jams or malfunctions. Call a garage door installation
professional for assistance.
• Keep fingers and handsaway from all moving parts.
• Do not attempt to operate the garage door opener at this time.
1. A ttach a p ai r of l o cking p l i ers to the rai l 8 i nch es awa y from the center of thegear on the headersection
as shown to hold the trolley in position when attaching the chain.
2. Pull the emergency release lever on the Outer Trolley and separate it from the Inner Trolley.
a. Connect the end of the chain with the cable loop to the Inner Trolleybyplacingonewasher(∅6-1.5)onto one
(M6-12) bolt, then place the cable loop onto bolt and insert bolt throughthe mounting holeon the inner trolley
as shown. Thread one (M6) nut onto bolt and tighten. Make sure cable loop is straightwhen tightening.
Inner Trolley
Outer Trolle
y

10 1/2 HP Chain Drive Garage Door Opener
3. Slide the Inner Trolley and Outer Trolley back together.
4. Attach a pairof locking pliers 8 inches away from the center of the pulleytothe rail asshown to keep the
trolley from moving when you attach the chain. Then pull on the cable until thetrolleyissnugagainst
the locking pliers:
5. Hold on to the chain and pull the slack out of the cable. Then wrap the chain around thesprocketas
shown:
6.Thread 1 nut (M-8) and place one spring washer (∅8) onto the trolley bolt at the end of the Chain
7.Insert the trolley bolt through the mounting hole as shown, and thread on the second nut (M-8)asshown.

11 1/2 HP Chain Drive Garage Door Opener
8. Adjust the chain tension by turning the outer nut with a 13mm wrench until thechain is½inchawayfrom
the bottom of the rail at the midpoint of the rail. Caution: Use a second wrench to holdthechainfrom
twisting during assembly.
9. While holding the outer nut in position, tighten the inner nut securely to hold the proper chain tension.
Inner Nut

12 1/2 HP Chain Drive Garage Door Opener
Mounting the Assembled Garage Door Opener
Mounting the assembled garage door opener isdone in three main steps:
- Attach the Rail to the Wall
- Attach the Motor Assembly to the Ceiling
- Attach the Door Brackets to the Garage Door and Garage Door Bracket
Attach the Rail to the Wall – Sectional & One Piece Doors
To avoid injury or death:
- Be sure to securelymount the garage door opener.
- Never touch any moving part while the garage door opener is in operation.
- Do not attempt to fix the garage door opener if it jams or malfunctions. Call a DGOinstallation professional for
assistance.
1. T he first step is to d eterm i ne where to attach th e wal l bracket. How you do thisdependson whether you
have a sectional garage door on rails or a one piece garage door.
If you have a sectional garage door, do the following:
a. Open the door to the highest point of travel. In the center of the wall above the door, draw a
horizontal line 2” above the high point of the garage door.Thisheightwillprovidetravelclearancefor
the top edge of the door.

13 1/2 HP Chain Drive Garage Door Opener
If you have a one-piece garage door, do the following:
a. Open your door to the highest point of travel asshown. Measure the distance from thetop ofthedoortothe
floor. Subtract the actual height of the door. Add 8” to the remainder. For example:
91” = Distance from top of door at highest point of travel to floor
87” =Actual height of door
91” – 87” = 4” remainder
4” + 8” = 12”
d. Close the door and draw an intersecting horizontal line on the headerwall atthedetermined height from
the top of the closed door.

14 1/2 HP Chain Drive Garage Door Opener
NOTE: If there is not enough room or if there is no way to secure the garage door opener to the wall
over the spring, you can secure it to the ceiling above the door.Markthe centeroftheceiling,no
more than 6 inches from the wall.
2. Mount the Header Bracket with two lag bolts provided to either the wall or the ceiling
OR

15 1/2 HP Chain Drive Garage Door Opener
3. Lay the rail against the wall (or ceiling)mount and rest the motor assemblyon somethingtall suchasaladder
which is enough to support the rail so it does not touch the garage doorspring. Some garage doorsrequire this
height to attach the rail to the header bracket. Other doors which do nothave the door spring located directly
above the garage door, may allow you to rest the opener on the carton it was shippedin to easeassembly.
4. Then attach the rail front to the wall mount with the Ø8-35mm clevis pin and split pin as shown.

16 1/2 HP Chain Drive Garage Door Opener
Attach the Motor Assembly to Ceiling
To avoid injury or death:
- Be sure to securelymount the garage door opener. Failure to mount thegarage door opener securelycan result
in damage to property, personal injury and death.
- Never touch any moving part while the garage door opener is in operation.
- Do not attempt to fix the garage door opener if it jams or malfunctions.Call a garagedoor installation professional
for assistance.
- Do not plug in the electrical cord until specifically instructed to do so.
1. While another person steadies the garage door opener, position the hanging bracketsoneitherside of
the motor assembly where they will reach beams in the ceiling overhead. Ifneeded,cut the bracketsto
fit. Then attach the bracketswith the M8-20 bolts, spring washers and M8 nuts as shown, and
hand-tighten the screws. (Do not securely tighten the screwsas you may need to adjust themwhen
securing the motor to the ceiling in the next step.)
3. Then attach the brackets to the overhead beams with the 2 lagscrews.
NOTE: In some casesyou may need additional hardware (not included) to securethegarage door.
3. Fi n i sh ti ghte ni ng the screws o n the mo to r assem b l y u nti l the garagedoor opener issecurely mounted.

17 1/2 HP Chain Drive Garage Door Opener
A) Install Safety Sensors and Remote Switches
Installing the door sensors and remotes is done in three main steps:
A) Install the Safety Reversing Sensors
B) Install the Premium Control Console
C) Install the KeylessEntry Control Pad
Install the Safety Reversing Sensors
To avoid injury or death: Be sure to correctly install the safety sensors. Failure to correctly
i nst a l l th e sa f e t y se n so rs m a y re su l t i n ma l f u n ctio n o f the e m e rge n cy reve rse syst e m whi ch can result in damage to
property, personal injury and death.
The garage door opener comeswith two safety reversing sensors designed to stop the door from closing should
anything be in the way.
NOTES:
-The garage door will not operate unless the safety sensorsare installed properly.
-When the invisible beam path is obstructed or misaligned while the door is closing, the doorwill reverse. If the
door is already open, it will not close. The door opener lights will flash.
Do the following to install the sensors.
1. M ea sure a poin t o n t he ga ra ge do o r whe el t ra cks si x inche s a bo ve t he fl oo r whe re t he se n so rs will go:
Repeat on the other wheel track.