LiftMaster MJ Support Question
LiftMaster MJ Support Question
Find answers below for this question about LiftMaster MJ.Need a LiftMaster MJ manual? We have 4 online manuals for this item!
Question posted by riders442 on August 26th, 2014
Relay
I need a clear open relay for a mj-50-11. Serial number is 2406n1725... We're can I find one? Or a part number?
Current Answers
Answer #1: Posted by TechSupport101 on August 27th, 2014 2:08 AM
TechSupport101
Member since:
May 24th, 2013 Points: 12,171,305
Member since:
May 24th, 2013 Points: 12,171,305
Related LiftMaster MJ Manual Pages
MGJ User's Guide Manual - Page 4
...button (LED will become enabled after a preset time, adjustable from the open cycle. MODE
B2 B2 with door in any interference received, including interference that timer is subject to 60...LEARN STOP CLOSE OPEN
LED
2
3
4
5
6
7
K2 LT
C29 R24 P1
D9
LMEP1 LMEP2 COM INTRLK STOP CLOSE OPEN
TTC
LEARN STOP CLO LEDD14
1
2
3
4
5
LMEP1 LMEP2 COM INTRLK STOP CL
CLEAR THE TIMER TO ...
MGJ User's Guide Manual - Page 5
... bracket before the door will
Door
open door falling rapidly and/ or unexpectedly. • NEVER use emergency release handle to disengage trolley
ONLY when door is CLOSED.
Door
Release Handle
MODEL ... doorway is used. Emergency disconnect will disable the electrical controls when the hoist is clear of door arm to engage roll pin. Pull the disconnect chain (sash chain) to the ...
MGJ User's Guide Manual - Page 6
... disengaged position
by the manual operation chain, hoist and electrical operation will not function. Keyhole Bracket
CAUTION
To prevent possible SERIOUS INJURY from the door operator. 1. Model MJ/MGJ for instructions. Or if emergency egress device is disconnected by slipping the end through the keyhole bracket mounted on the wall. A disconnect sash...
MGJ User's Guide Manual - Page 8
...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 PROGRAMMED POOR RANGE...
MJ5011E QuickStart-2008 Manual - Page 1
...Model MJ instructions ... total door system ...chain around door sprocket and ...door is obstructed. b The door...below the door shaft. Do...your door....door smoothly but to allow the clutch to door...door...door will not function.
12 Remove cotter pin from door.
Connect the power to open and close to the operator BEFORE manually operating your door...door operator. b Operate the door in the ...
MJ5011E QuickStart-2008 Manual - Page 2
... release the TTC button a second time. 4. CLEAR TIMER TO CLOSE (TTC) 1. Press and release...MJ/MH/MHS door operator Medium Duty Logic
This QuickStart is running.
1
2
3
4
5
Electrical Box
Logic Board
014A1030
J4 C32
TP1 C20
R25
C9
C21
U1
D7
D5
U4 D6
D4
C31
AAUUX AANNTT J2
L5 ^^^^
R27
TTC 1
C18
D14
LEARN STOP CLOSE OPEN...
Retaining Plate
11 Limit Switches
OPEN
9 Power Wiring...
MJ5011E Installation-2008 Manual - Page 4
... Approximately 9" (23 cm) / second depending on door setup
OUTPUT FORCE 125 ft. MJ Floor level disconnect for
emergency manual chain hoist operation.
OUTPUT RPM:
MJ 80 RPM MH 80 RPM MHS 38.6 RPM LIMIT ADJUST Fully adjustable up to + 50˚C)
4
lbs/ sec. Supports both monitored and non-monitored safety devices including LiftMaster CPS...
MJ5011E Installation-2008 Manual - Page 5
...WARNING
PREPARATION
WARNING
PREPCARAINUG TYOIUORNDOOR
The manufacturer recommends 3' (91.4 cm) of clearance in the door opening, hook the chain off to install the operator. The handing is out of balance.
...to do so. • If the door lock needs to loosen, move or adjust doors, door springs, cables, pulleys, brackets or their hardware, ALL of the door jamb. Before you begin: • ...
MJ5011E Installation-2008 Manual - Page 9
...
(MH AND MHS ONLY)
Chain Retaining Bracket (with manual hoist to wall (MJ ONLY)
Keyhole Bracket
4' above floor
Hand Chain
Hand Chain Wheel
Connect the ends... INSTALL MANUAL DISCONNECT SYSTEMS
The MHS operator includes both a floor level disconnect chain to disconnect the door from the door operator and a disconnect chain with pad locking provisions)
B Wrap hand chain around hand chain wheel ...
MJ5011E Installation-2008 Manual - Page 19
...D14
LEARN STOP CLOSE OPEN
LED
2
3
4
5
6
7
K2 LT
C29 R24 P1
D9
LMEP1 LMEP2 COM INTRLK STOP CLOSE OPEN
TTC
LEARN STOP CLO LEDD14
1
2
3
4
5
LMEP1 LMEP2 COM INTRLK STOP CL
CLEAR THE TIMER TO ...The LED will light). THERE ARE NO OTHER USER SERVICEABLE PARTS. MODE
B2 B2 with door in any interference received, including interference that timer is subject to 60 seconds.
Press ...
MJ5011E Installation-2008 Manual - Page 21
... broken springs or unbalanced door could result in an open door falling rapidly and/or unexpectedly. • NEVER use emergency disconnect ONLY when door is used . Chain Keeper
AVERTISSEMENT (with manual hoist to disconnect the door from the chain keeper before the door will disable the electrical controls when the hoist is clear of the continuous loop...
MJ5011E Installation-2008 Manual - Page 22
... for more than 5 seconds.
B) Brake not releasing (if present) ➤ Verify brake assembly operation and wiring. B) Clutch slipping
➤ Adjust clutch, see ADJUSTMENT section. DOOR OPENS/CLOSES Limits not adjusted properly TOO FAR
➤ Adjust limits.
D) Interlock input activated
➤ Verify jumper is located at terminals L1 & L2. F) Accessory failure
➤...
MJ5011E Installation-2008 Manual - Page 31
... R ING
65-8202
WIRE 65-7WIREL
PRESS TO
R ING
21-2LM
Commercial Protector System: OPEN
Provides protection on doors up to 45' wide.
OPEN CLOSE
Antenna: External kit for TO
MJ, MH, and MHS.RING
10-9095
ANTENNA EXT-ANT
OPEN
Medium Duty Angle Mounting Bracket:
CLOSE
Heavy-gauge steel bracket. PRESS TO
R ING
86LM...
MJ (BLACK LINE) Manual - Page 2
...- OPEN/CLOSE/STOP
WIRING TYPE C2 (Standard) Momentary contact to OPEN & STOP, constant pressure to CLOSE, open override plus wiring for emergency manual door operation.
Secondary: #48 chain/sprocket. DISCONNECT :
SAFETY
Model MJ: ... HMJ: Includes both floor level disconnect systems described above.
Bracket Mounting (rolling door)
A
A
18.50"
14.75"
A
A
7.00" 10.88"
15.78"
9.19"...
MJ (BLACK LINE) Manual - Page 3
...remove ALL ropes connected to door BEFORE installing and operating door operator to avoid entanglement. If you need to move or adjust doors, door springs, cables, pulleys, brackets...door opening, hook the chain off to loosen, move the drive sprocket, loosen BOTH set screws securely
Hand Chain Handing For MH and HMJ models with Bearing (Not Provided) Door Sprocket
5-1/2" (13.97 cm)
All MJ...
MJ (BLACK LINE) Manual - Page 5
...). Chain Retaining Bracket (with a manual hoist. The disconnect chain must be released from door.
2. Model MJ
This operator has a floor level disconnect chain to engage the hoist mechanism. Or if ...
Manual Disconnect for Models MH and HMJ Keyhole Bracket
Model HMJ
This operator includes both openings in the disengaged position by slipping the end through the keyhole bracket mounted on the...
MJ (BLACK LINE) Manual - Page 6
... 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 for ALL installations. If not pre-installed by either coiled cord or take-up the door opening .
4. The sensing edge may be installed 12" above the top of coil cord...
MJ (BLACK LINE) Manual - Page 7
....
• ALL power wiring should be visible and clearly labeled.
• ALL power and control wiring must ...cleared and secured, at that the power supply is missing, call the number on until disconnecting the electrical power and locking-out the power via the operator power switch. Using the 1-1/16" dia conduit access hole as shown below . If the door lock needs to rotate in "OPEN...
MJ (BLACK LINE) Manual - Page 8
... connections. MOUNT WARNING NOTICE
IMPORTANT: Mount WARNING NOTICE beside or below the push button station. Control Station
Push Buttons
OPEN CLOSE STOP
WARNING
TO PREVENT ENTRAPMENT DO NOT START DOOR DOWNWARD
UNLESS DOORWAY IS CLEAR
WARNING Notice
8 Reversing devices are to the replacement wiring diagram for ALL installations.
A two-position key switch or...
MJ (BLACK LINE) Manual - Page 9
...door
travel .
4. Any control with a normally (N.O.) isolated output contact may be added to activate a commercial door opener, a reversing edge MUST be seen clearly, is properly adjusted, and there are recommended for OPEN..., the control circuit will then open a fully closed . CAUTIWONARNING gate or garage door:
• ALWAYS keep gate or garage door in the electrical enclosure as shown...
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