LiftMaster MJ Support Question
LiftMaster MJ Support Question
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Question posted by rcollaso on August 8th, 2011
I Need Part Number For The Motor Pully On A Mj-1211 Commercial Operator
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Related LiftMaster MJ Manual Pages
MGJ User's Guide Manual - Page 5
... the wall.
2. M A N U A L D I S C O N N E C T ( M O D E L S M T / BWMATRN& INMGH )
The operators have provisions for manually operating the door in case of the continuous loop hoist chain.
3. MODEL MT/BMT
Emergency Disconnect
CAUTION
To prevent possible SERIOUS INJURY or DEATH from the chain retaining bracket before the door will
Door
open door falling rapidly and/ or unexpectedly. •...
MGJ User's Guide Manual - Page 6
... emergency egress device to disconnect the door from door. 2. This chain can be found on the wall. M A N U A L D I S C O N N E C T ( M O D E L S M J / MWGAJ R&NMINHGS )
MODEL MJ/MGJ
This operator has a floor level disconnect chain to operate the door again electrically. A disconnect sash chain for push-up or pulled down operation. AVERTISSEMENT
When operator is used, pull handle to...
MGJ User's Guide Manual - Page 7
... DEATH from obstruction, check safety devices. Press the CLOSE button.
Door should open.) 2. TEST THE SAFETY DEVICES (IF INSTALLED) 1. The door
AVERTISSEMENT should move in the open . Door should continue closing if in a safe manner and how to electrically operate the door in B2 mode.)
5. AVERTISSEMENT If door did not reverse from electrocution, disconnect ALL electric power BEFORE...
MGJ User's Guide Manual - Page 8
... WILL NOT RESPOND TO ANY COMMANDS
No power
Accessory failure
Possible component failure
OPERATOR MAKES
Operator requires adjustment
NOISE BUT DOOR DOES
NOT MOVE
DOOR DRIFTS AFTER OPERATOR STOPS
Operator or door requires adjustment
DOOR OPENS/CLOSES Operator requires adjustment TOO FAR
DOOR REVERSES UNEXPECTEDLY
Safety device activated
RADIO FUNCTIONALITY
NO RESPONSE
REMOTE CANNOT BE...
MJ5011E QuickStart-2008 Manual - Page 1
...Operator
OPTIONAL
Mounting Bracket P/N 08-9098
MODEL MH These operators are aligned.
c The disconnect chain must be released from the door operator. Connect the earth ground to open and close to slip if the door...Make sure the operator output shaft is parallel to Model MJ instructions above or below the door shaft, and as possible.
1b Bracket Shelf Mounting: The operator may be ...
MJ5011E Installation-2008 Manual - Page 3
... is recommended for descriptions of wiring types, requirements and programming. Steel 18 ga. Steel
---
20 ga. APPLICATIONS
INTRODUCTION
This Medium Duty Commercial Door Operator includes a number of features that will require an optional safety device. Safety devices are highly recommended by the manufacturer.
• Radio receiver: A factory installed radio receiver allows ...
MJ5011E Installation-2008 Manual - Page 4
...
OPERATOR SPECIFICATIONS
MOTOR
TYPE Limited duty HORSEPOWER 1/2 HP VOLTAGE 115Vac, Single Phase, 60Hz FULL LOAD AMPS 6.0 Amps
ELECTRICAL
OPERATOR ...DOOR SPEED Approximately 9" (23 cm) / second depending on door setup
OUTPUT FORCE 125 ft. Wall Mounting B - MJ Floor level disconnect for
emergency manual chain hoist operation. lbs/ sec. MHS Both disconnects described above. OPERATOR...
MJ5011E Installation-2008 Manual - Page 5
...in the door opening, hook the chain off to the side near the top of the door jamb. AVERTISSEMENT
Output Shaft
Right Handed Operator
ADVERTENCIA
5...door lock needs to remain functional, install an
interlock switch. • ALWAYS call a trained professional door serviceman if door
binds, sticks or is indicated by last letter of the model name (R or L). (Illustration shows right handed operator...
MJ5011E Installation-2008 Manual - Page 20
...; Do not leave power to the operator on unless all
controls and safety devices to make sure they are not set properly, remove power and adjust
limits (refer to fully open . 3. Press remote control button. 2. Allow the door to Adjustment section). Press STOP button. (The door should open direction.) 2.
Door should stop .) 3. ADVERTENCIA PRECAUCIÓN
ADVERTENCIA...
MJ5011E Installation-2008 Manual - Page 21
... or reset the emergeny egress device to Model MJ instructions for manual operation. M A N U A L D I S C O N N E C T WARNING
This operator has provisions for manually operating the door in an open door falling rapidly and/or unexpectedly. • NEVER use emergency disconnect ONLY when door is
CLOSED. Weak or broken springs or unbalanced door could result in case of the chain keeper...
MJ5011E Installation-2008 Manual - Page 22
... or safety edge is not activated. C) Door operation problem
➤ Disconnect trolley and check door for proper operation.
OPERATOR MOVES IN OPEN and CLOSE button wiring ➤ Check 3-button...motor.
G) Possible component failure
➤ Call Technical Support for more than 5 seconds.
DOOR OPENS/CLOSES Limits not adjusted properly TOO FAR
➤ Adjust limits. DOOR...
MJ5011E Installation-2008 Manual - Page 23
... photo eyes. 2) Issue with Monitored Sensing Edge and/or wiring. Door height or speed may exceed the range the operator can be determined by counting the number of flashes of the operator can travel. NOTE: It is normal for assistance. Reverse the yellow and red motor wires on the logic board.
# OF LED FLASHES 1 2 3 4
5 6
7
DIAGNOSTIC...
MJ (BLACK LINE) Manual - Page 2
...DISCONNECT :
SAFETY
Model MJ: Floor level disconnect for emergency manual door operation.
Bracket Mounting (rolling door)
A
A
18.50...DOOR OR ANY OTHER CONTROL (AUTOMATIC OR MANUAL) IS USED.
A REVERSING EDGE IS STRONGLY RECOMMENDED FOR ALL COMMERCIAL OPERATOR INSTALLATIONS. OPEN/CLOSE/STOP
WIRING TYPE C2 (Standard) Momentary contact to OPEN & STOP, constant pressure to CLOSE, open...
MJ (BLACK LINE) Manual - Page 3
... (Not Provided) Door Sprocket
5-1/2" (13.97 cm)
All MJ, MH, and HMJ series operators have dual output ...door, and in the door opening, hook the chain off to the side near the top of order. If your installation causes the hand chain to the door shaft. b. Permit the operator...handing of the operator must :
a.
Retain 5-1/2" between operator and door shaft. If you need to the building...
MJ (BLACK LINE) Manual - Page 4
..."
Optimum Distance 12 - 15"
Typical Right Hand Wall Mounted Operator
FIGURE 3
IMPORTANT: The shelf or bracket must provide adequate support, prevent play between 12" - 15" (Figure 3).
1b. FIGURE 4
1c. Make sure the operator output shaft is between operator and door shaft, and permit operator to the operator preparations on a bracket or shelf. If necessary, refer to...
MJ (BLACK LINE) Manual - Page 5
...Keeper / Keyhole Bracket Using suitable hardware mount the chain keeper approximately 4 feet above the floor
8.
Refer to operate the door again electrically.
An electrical interlock will operate again electrically. MANUAL OPERATION
This operator has provisions for Models MJ and HMJ WARNING
To prevent possible SERIOUS INJURY from bag and place the end through the keyhole...
MJ (BLACK LINE) Manual - Page 6
...open (N.O.) output are compatible with your operator. WARNING
To reduce the risk of SEVERE INJURY or DEATH, ALWAYS
CAUTION install reversing sensors when the 3-button control station is
out of sight of door or ANY other problems persist, call our toll-free number...proceeding with the edge.
COIL CORD: Connect operator end of door opening .
LIMIT SWITCH ADJUSTMENT
WARNING WARNING NOTE: ...
MJ (BLACK LINE) Manual - Page 7
... the number on the back of this enclosure you have finished making all connections described below , bring supply lines to the operator and connect wires to rotate in the wrong direction (open when CLOSE button is pressed and vice-versa). Refer to door and operator, make ALL door locks inoperative. Inside this manual. To change motor rotation...
MJ (BLACK LINE) Manual - Page 9
CAUTIWONARNING gate or garage door:
• ALWAYS keep gate or garage door in clear sight of the person operating the equipment), and connect to door
travel .
4. Additional Access Control Equipment Locate any other control (automatic or manual) is used to activate a commercial door opener, a reversing edge MUST be possible to stop the door by hand during travel .
Back off clutch nut...
MJ (BLACK LINE) Manual - Page 10
.... • Be sure the owner or person(s) responsible for operation of the door have read and understand all safety
and entrapment protection devices have read and ...Do not leave operator power on power. Operator MUST be field installed. Refer to the illustration for identification of components for fine adjustment of the power disconnect should not need additional adjustment for...
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