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OWNER'S MANUALMODELS:
MJ ✦✦ MH ✦✦ HMJINDUSTRIAL DUTY DOOR OPERATOR
NOT FOR RESIDENTIAL USE
LISTED DOOR OPERATOR
41B6Serial #
(located on electrical box cover)
Installation Date
Wiring Type
2 YEAR WARRANTY
C2 WiringF A C T O R Y S E T
See page 8 forother wiring
configurations
2
SAFETYDISCONNECT :
Model MJ: Floor level disconnect for emergencymanual door operation.
Model MH: Floor level chain hoist with electrical interlockfor emergency manual door operation.
Model HMJ: Includes both floor level disconnect systemsdescribed above.
REVERSING EDGE: ...............(Optional) Electric orpneumatic sensing device attached to the bottom edgeof door.
A REVERSING EDGE IS STRONGLY RECOMMENDEDFOR ALL COMMERCIAL OPERATORINSTALLATIONS. REQUIRED WHEN THE 3 BUTTONCONTROL STATION IS OUT OF SIGHT OF DOOR ORANY OTHER CONTROL (AUTOMATIC OR MANUAL)IS USED.
SPECIFICATIONS
ELECTRICALTRANSFORMER:.............24VAC
CONTROL STATION: .....NEMA 1 three button station.OPEN/CLOSE/STOP
WIRING TYPE: .................C2 (Factory Shipped) Momentary contact to OPEN & STOP, constantpressure to CLOSE, open override plus wiring forsensing device to reverse. See pages 13 and 14 foroptional control settings and operating modes.
LIMIT ADJUST: ................Linear driven, fully adjustable screw type cams. Adjustable to 24 feet.
10.88”
MOUNTING DIMENSIONSA - Wall MountingB - Bracket Mounting (rolling door)
WEIGHTS AND DIMENSIONSHANGING WEIGHT: .........80-110 LBS.
Hand Chain Wheelpresent with ModelMH only.
15.78”
6.34 6.34
12.69
7.00”
6.13”
3.63”
9.19”
18.50”
2.91”
7.00”
14.75”
A A
A A
MOTORTYPE: .................................Intermittent duty
HORSEPOWER: ................1/2 Horsepower
SPEED:...............................1000 RPM
VOLTAGE: .........................115V, 1 Phase, 60Hz230V, 1 Phase, 50Hz
CURRENT: .........................See motor nameplate
MECHANICALDRIVE REDUCTION:.............Primary: Heavy duty(4L) V-Belt. Secondary: #48 chain/sprocket. Output:#48 chain
OUTPUT SHAFT SPEED: .....80 R.P.M.
DOOR SPEED: ......................approx. 9” per sec.depending on door
BRAKE (Optional): ...............Solenoid actuated discbrake
BEARINGS: ...........................IronCopper sintered andoil impregnated.
HAND CHAIN WHEEL: .........Left or right handingModels MH and HMJonly.
3
2-1/4"
FIGURE 1
Shaft Support Bracketwith Bearing (Not Supplied)Door Sprocket
TO AVOID DAMAGE TO DOOR AND OPERATOR,MAKE ALL DOOR LOCKS INOPERATIVE. SECURELOCK(S) IN "OPEN" POSITION.IF THE DOOR LOCK NEEDS TO REMAINFUNCTIONAL, INSTALL AN INTERLOCK SWITCH. DO NOT CONNECT ELECTRIC POWER UNTILINSTRUCTED TO DO SO.
KEEP DOOR BALANCED. STICKING OR BINDINGDOORS MUST BE REPAIRED. DOORS, DOORSPRINGS, CABLES, PULLEYS, BRACKETS ANDTHEIR HARDWARE MAY BE UNDER EXTREMETENSION AND CAN CAUSE SERIOUS PERSONALINJURY. CALL A PROFESSIONAL DOORSERVICEMAN TO MOVE OR ADJUST DOORSPRINGS OR HARDWARE.
WARNING
CAUTIONCAUTION
WARNING
WARNINGWARNING
CAUTION
WARNING
WARNINGSITE PREPARATIONS
It is imperative that the wall or mounting surfaceprovide adequate support for the operator.This surface must:
a) Be rigid to prevent play between operator and door shaft.
b) Provide a level base.c) Permit the operator to be fastened securely and
with the drive shaft parallel to the door shaft.
The safety and wear of the operator will be adverselyaffected if any of the above requirements are not met.
For metal buildings, fasten 2” x 2” x 3/16” (or larger)angle iron frames to the building purlins. Retain5-1/2” between frames. See Figure 1.
All MJ, MH, and HMJ series operators have dual output shafts and may be mounted on either the right (standard)or left side of door, and in either a vertical (standard) or horizontal mounting position. If you need to move thedrive sprocket, loosen BOTH set screws, remove the sprocket and key, and place on the opposite side of thedrive shaft. Be sure to tighten BOTH set screws securely
OPERATOR PREPARATION
Hand Chain HandingFor MH and HMJ models with manual hoist hand chain systems, the handing of the operator must be determinedat the time of order. The handing is indicated by last letter of the model name (R or L). The hand chain wheelcan not be switched on site. If your installation causes the hand chain to hang in the door opening, hook thechain off to the side near the top of the door jamb.
IMPORTANT SAFETY NOTES
Output Shaft Key
Drive Sprocket
(2) Set Screws
5-1/2”
OPTIONALMounting BracketP/N 08-9098
1b. Bracket or Shelf Mounting The operator may be mounted either above orbelow the door shaft. The optimum distancebetween the door shaft and operator drive shaft isbetween 12” - 15”. Refer to Figure 4.
4
1a. Wall MountingThe operator should generally be installed belowthe door shaft, and as close to the door aspossible. The optimum distance between the doorshaft and operator drive shaft is between 12” - 15”.Refer to Figure 3.
OPERATOR MOUNTING
IMPORTANT: The shelf or bracket mustprovide adequate support, prevent playbetween operator and door shaft, and permitoperator to be fastened securely and with thedrive shaft parallel to the door shaft.
1c. Place door sprocket on the door shaft. Do notinsert the key at this time.
2. Place drive sprocket on the appropriate side ofthe operator. Do not insert the key at this time.
3. Wrap drive chain around door sprocket and joinroller chain ends together with master link.
4. Raise operator to approximate mounting positionand position chain over operator sprocket.
5. Raise or lower operator until the chain is taut (nottight). Make sure the operator output shaft isparallel to door shaft and sprockets are aligned.When in position, secure the operator to wall ormounting bracket.
6. Align sprockets and secure, (see Figure 5).
FIGURE 4FIGURE 3
Before your operator is installed, be sure the door has been properly aligned and is working smoothly. Theoperator may be wall mounted or mounted on a bracket or shelf. If necessary, refer to the operator preparationson page 3. Refer to the illustration and instructions below that suits your application.
Typical Right HandWall Mounted Operator
Optimum Distance12 - 15”
Optimum Distance12 - 15”
Be sure doorsprocket is properlyaligned with drivebefore securing tothe shaft.
Chain RetainingBracket
FIGURE 5
These operators are equipped with a manual hoist.An electrical interlock will disable the electricalcontrols when the hoist is used. To operate the hoist:
1. Pull the disconnect chain (small chain) to engagethe hoist mechanism. The disconnect chain may belocked in position by slipping the end through thekeyhole of the chain keeper mounted on the wall.
2. Operate the door in the desired direction by pullingon one side or the other of the continuous loop hoistchain (large chain).
3. The disconnect chain must be released from thechain keeper before the door will operate againelectrically.
5
7. Install Hand Chain (Models MH and HMJ only)Place hand chain around hand chain wheel. Besure to pass it through both openings in the chainguide. Remove enough links so chain hangsapproximately two feet above the floor
EMERGENCY MANUAL OPERATIONThis operator has provisions for manually operating the door in case of emergency or power failure. Refer to theappropriate instructions below for your model operator.
Model MH
Model MJThis operator has a floor level disconnect chain todisconnect the door from the door operator.
1. To disengage, pull the chain and secure in thedisengaged position by slipping the end through thekeyhole bracket mounted on the wall. Or ifemergency egress device is used, pull handle todisengage operator from door.
2. The door may now be pushed up or pulled downmanually. Release the disconnect chain to operatethe door again electrically.
Chain Retaining Bracket(with pad locking provisions)
Keyhole Bracket
8. Mount Chain Keeper / Keyhole BracketUsing suitable hardware mount the chain keeperapproximately 4 feet above the floor, near the freehanging chain. Remove disconnect sash chainfrom bag and place the end through the keyholein the the chain keeper. Remove excess links ifnecessary.
Manual Disconnect for Models MJ and HMJ
Electrical Interlock with Hoist for Models MH and HMJ
TURN OFF POWER TO THE OPERATOR BEFOREMANUALLY OPERATING YOUR DOOR.
WARNING
CAUTIONCAUTION
WARNING
WARNING
Model HMJThis operator includes both a floor level disconnectchain to disconnect the door from the door operatorand a disconnect chain with manual hoist toelectrically disable the operator controls.
1. Refer to Model MH instructions above for hoistoperation.
2. Refer to Model MJ instructions above for manualoperation.
6
TO AVOID SERIOUS PERSONAL INJURY OR DEATHFROM ELECTROCUTION, DISCONNECT ELECTRICPOWER BEFORE MANUALLY MOVING LIMIT NUTS.
WARNING
CAUTION
WARNING
WARNING
LIMIT SWITCH ADJUSTMENTMAKE SURE THE LIMIT NUTS ARE POSITIONED BETWEEN THE LIMIT SWITCH ACTUATORS BEFOREPROCEEDING WITH ADJUSTMENTS.
If other problems persist, call our toll-free number forassistance - 1-800-528-2806.
Retaining Plate
CLOSE Limit Switch
SAFETY(Aux. Close) Limit Switch
OPEN Limit Switch
1. To adjust limit nuts depress retaining plate to allownut to spin freely. After adjustment, release plateand ensure it seats fully in slots of both nuts.
2. To increase door travel, spin nut away fromactuator. To decrease door travel, spin limit nuttoward actuator.
3. Adjust open limit nut so that door will stop in openposition with the bottom of the door even with topof door opening.
4. Repeat Steps 1 and 2 for close cycle. Adjust closelimit nut so that actuator is engaged as door fullyseats at the floor.
Aux. OPENLimit Switch
SENSING EDGESAll types of sensing edges with an isolated normallyopen (N.O.) output are compatible with youroperator. This includes pneumatic and electricedges. If your door does not have a bottom sensingedge and you wish to purchase one, contact thesupplier of your operator.
If not pre-installed by the door manufacturer, mountthe sensing edge on the door according to theinstructions provided with the edge. The sensingedge may be electrically connected by either coiledcord or take-up reel. Refer to the steps below.
Important Notes:
a) Proceed with Limit Switch Adjustments beforemaking any sensing edge wiring connections tooperator as described below.
b) Electrician must hardwire the junction box to theoperator electrical box in accordance with localcodes.
ENTRAPMENT PROTECTION ACCESSORIES (OPTIONAL)
WIRING:For wiring of your sensing device to the operator,refer to the wiring diagram supplied with youroperator. See field connection terminals identified asSensing Device or Safety Edge.
TAKE-UP REEL: Take-up reel should be installed12" above the top of the door.
COIL CORD: Connect operator end of coil cord tojunction box (not supplied) fastened to the wallapproximately halfway up the door opening.
IT IS STRONGLY RECOMMENDED THAT ASENSING EDGE OR OTHER ENTRAPMENTPROTECTION DEVICE BE USED INCONJUNCTION WITH THIS OPERATOR.
7
Three (3) 7/8” & 1-1/6” DIA. Knockoutsfor Power & Control Wiring access(Near & Opposite side)
DISCONNECT POWER AT THE FUSE BOX BEFOREPROCEEDING.OPERATOR MUST BE PROPERLY GROUNDED ANDCONNECTED IN ACCORDANCE WITH LOCALELECTRICAL CODES. NOTE: THE OPERATORSHOULD BE ON A SEPARATE FUSED LINE OFADEQUATE CAPACITY.ALL ELECTRICAL CONNECTIONS MUST BE MADEBY A QUALIFIED INDIVIDUAL.
WARNING
CAUTION
WARNING
WARNING
TO AVOID DAMAGE TO DOOR AND OPERATOR,MAKE ALL DOOR LOCKS INOPERATIVE. SECURELOCK(S) IN "OPEN" POSITION.IF THE DOOR LOCK NEEDS TO REMAINFUNCTIONAL, INSTALL AN INTERLOCK SWITCH.
Remove the cover from the electrical enclosure. Inside this enclosure you will find the wiring diagram(s)for your unit. Refer to the diagram (glued on the inside of the cover) for all connections described below.If this diagram is missing, call the number on the back of this manual. DO NOT INSTALL ANY WIRING ORATTEMPT TO RUN THIS OPERATOR WITHOUT CONSULTING THE WIRING DIAGRAM.
POWER WIRING CONNECTIONS
ON THREE PHASE MACHINES ONLY!Incorrect phasing of the power supply will cause the motor to rotate in the wrong direction (open when CLOSEbutton is pressed and vice-versa). To correct this, interchange any two of the incoming three phase power lines.
CONDUIT ACCESS
WARNINGDo Not Run Power &Control Wiring in the
Same Conduit
WARNING
CAUTION
WARNING
WARNING
1. Be sure that the power supply is of the correctvoltage, phase, frequency, and amperage to supplythe operator. Refer to the operator nameplate on thecover.
2. Using the 1-1/16” dia conduit access hole asshown below, bring supply lines to the operator andconnect wires to the terminals indicated on theWIRING CONNECTIONS DIAGRAM.
DO NOT TURN POWER ON UNTIL YOU HAVEFINISHED MAKING ALL POWER AND CONTROLWIRING CONNECTIONS AND HAVE COMPLETEDTHE LIMIT SWITCH ADJUSTMENT PROCEDURE.
IMPORTANT: THIS UNIT MUST BE PROPERLYGROUNDED. A GROUND SCREW IS SUPPLIED INTHE ELECTRICAL BOX FOR CONNECTION OFTHE POWER SUPPLY GROUND WIRE. FAILURETO PROPERLY GROUND THIS UNIT COULDRESULT IN ELECTRIC SHOCK AND SERIOUSINJURY.
POWER WIRING
8
CONTROL WIRING
Standard C2 or B2 WiringStandard operators are shipped from the factory withjumper set for C2 wiring, which requires constantpressure on button to close the door. If momentarycontact on close direction is desired (B2 wiring) youmust include an entrapment protection device. Seeclose control settings to the right.
WIRINGThis Operator has
Control Wiring.
SUPPLEMENTAL WIRING DIAGRAM(S)
REPLACEMENT WIRING DIAGRAM
Note: Supplemental Wiring Diagrams areto be used in addition to 1753 or 1754.Replacement Wiring Diagram is to be usedin place of 1753 or 1754.
SPECIAL CONTROLWIRING DATA
LOCATING THE CONTROL STATIONAll operators are supplied with some type of control station. Generally a three button station(OPEN/CLOSE/STOP) is provided. A two-position key switch or control station (OPEN/CLOSE) may be added orsubstituted when requested at the time of order. Mount the control station near the door.
WARNING
CAUTION
WARNING
WARNING
INSTALL THE CONTROL STATION WHERE THEDOOR IS VISIBLE, BUT AWAY FROM THE DOOR ANDITS HARDWARE. IF CONTROL STATION CANNOT BEINSTALLED WHERE DOOR IS VISIBLE, OR IF ANYDEVICE OTHER THAN THE CONTROL STATION ISUSED TO ACTIVATE THE DOOR, A REVERSINGEDGE MUST BE INSTALLED ON THE BOTTOM OFTHE DOOR. FAILURE TO INSTALL A REVERSINGEDGE UNDER THESE CIRCUMSTANCES MAYRESULT IN SERIOUS INJURY OR DEATH TOPERSONS TRAPPED BENEATH THE DOOR.
W A R N I N GTO PREVENT ENTRAPMENT
DO NOT START DOOR DOWNWARD
UNLESS DOORWAY IS CLEAR
OPENOPEN
CLOSECLOSE
STOP
Control Station
WARNING Notice
PushButtons
IMPORTANT: Mount WARNING NOTICE beside orbelow the push button station.
MOUNT WARNING NOTICE
DETERMINE WIRING TYPERefer to the wiring diagram located on the inside cover the electrical box to determine the type of control wiring.
Wiring Diagram label on inside coverof electrical box
WiringType
SPECIAL CONTROL WIRINGIf your operator was shipped from the factory withnon-standard control wiring or with optionalaccessories that require addition instructions, refer tothe wiring diagram(s) indicated in the special controlwiring data box. When a replacement wiring diagramis present, wiring diagrams in this manual will notapply. Refer only to the replacement wiring diagramfor all connections.
Constant pressure on close (C2 wiring)In the electrical enclosure, a RED wire was placed onterminal block #12. With this setting, the operatorwill require constant pressure on close control inorder to keep door moving in the close direction.
Momentary contact on close (B2 wiring)Move RED wire from terminal block #12 to terminal#2. The operator will require only momentary contactto close the door.
9
CONTROL WIRING (con’t)
Radio ControlsOn all models with type C2 control wiring, a terminalbracket marked R1 R2 R3 is located on the outside ofthe electrical enclosure. All standard radio controlreceivers (single channel residential type) may bemounted to this bracket. The operator will then opena fully closed door, close a fully open door, andreverse a closing door from the radio transmitter.However, for complete door control from atransmitter, a commercial three-channel radio set(with connections for OPEN/CLOSE/STOP) isrecommended.
Additional Access Control EquipmentLocate any additional access control equipment as desired (but so that the door will be in clear sight of theperson operating the equipment), and connect to the terminal block in the electrical enclosure as shown on theFIELD WIRING CONNECTIONS diagram. Any control with a normally (N.O.) isolated output contact may beconnected in parallel with the OPEN button. More than one device may be connected in this manner. Use 16gauge wire or larger for all controls. DO NOT USE THE CONTROL CIRCUIT TRANSFORMER (24VAC) IN THEOPERATOR TO POWER ANY ACCESS CONTROL EQUIPMENT OTHER THAN A STANDARD RESIDENTIALTYPE RADIO RECEIVER.
External Interlock SwitchThe operator has a terminal connection for an external interlock switch. This switch must be a normally closed(N.C.) two-wire device with a contact rating of at least 3 amps @ 24VAC. When such a switch is connected asshown on the FIELD WIRING CONNECTIONS diagram, the control circuit will be disabled when the switch isactuated, thereby preventing electrical operation of the door from the control devices.
WARNING
CAUTION
WARNING
WARNING
DO NOT USE RADIO CONTROLS WITH YOUROPERATOR UNLESS YOU HAVE INSTALLEDSOME TYPE OF ENTRAPMENT PROTECTIONDEVICE. THE USE OF RADIO CONTROLSPRESENTS POTENTIAL HAZARDS DUE TO THEUSER’S ABILITY TO OPEN OR CLOSE THEDOOR WHEN OUT OF SIGHT OF THE DOOR. INADDITION, IF A SINGLE CHANNEL CONTROL ISUSED, THE USER WILL NOT BE ABLE TO STOPTHE DOOR FROM THE TRANSMITTER.
CLUTCH ADJUSTMENT
1. Remove cotterpin from nut on the clutch shaft.
2. Back off clutch nut until there is very little tensionon the clutch spring.
3. Tighten clutch nut gradually until there is justenough tension to permit the operator to move thedoor smoothly but to allow the clutch to slip if the dooris obstructed. When the clutch is properly adjusted, itshould generally be possible to stop the door by handduring travel.
4. Reinstall Cotterpin.
CAUTION: The adjustable friction clutch is NOTan automatic reversing device. An electric orpneumatic reversing edge can be added tobottom edge of door if desired.
Cotterpin
Adjusting Nut
Spring
Clutch Pulley
Clutch Plate
Clutch Pad
Washer
10
TEST THE SYSTEM
Turn on power. Test all controls and safety devicesto make sure they are working properly. It will benecessary to refer back to page 6 for fine adjustmentof the limit switches.
IMPORTANT NOTES:Do not leave operator power on unless all safety and entrapment protection devices have been tested and are working properly.
Be sure you have read and understand all Safety Instructions included in this manual.
Be sure the owner or person(s) responsible for operation of the door have read and understand the Safety Instructions, know how to electrically operate the door in a safe manner, and know how to use the manual disconnect operation of the door operating system.
WARNING
CAUTION
WARNING
WARNING
DO NOT PLACE HANDS OR TOOLS IN ORNEAR THE OPERATOR WHEN THE POWER ISON OR WHEN TESTING CONTROL OR SAFETYDEVICES. ALWAYS DISCONNECT POWERBEFORE SERVICING OR ADJUSTING THEOPERATOR.
BRAKE ADJUSTMENT
A solenoid brake is an optional modification. If present, the brake is adjusted at the factory and should not needadditional adjustment for the the life of the friction pad. If desired, a brake can also be field installed. To order akit for field installation on an existing operator, call the parts and service department at 1-800-528-2806.
Replace friction pads when necessary. Refer to theillustration for identification of components for thesolenoid type brake system.
Release Lever
Pulley
Friction Pad
Solenoid
Solenoid Brake System
11
✳✳ Use SAE 30 Oil (Never use grease or silicone spray).
✔✔ Repeat ALL procedures.
■■ Do not lubricate motor. Motor bearings are rated for continuous operation.
■■ Do not lubricate clutch or V-belt.
■■ Inspect and service whenever a malfunction is observed or suspected.
■■ CAUTION: BEFORE SERVICING, ALWAYS DISCONNECT OPERATOR FROM POWER SUPPLY.
Check at the intervals listed in the following chart.
HOW TO ORDER REPAIR PARTSOUR LARGE SERVICE ORGANIZATION
SPANS AMERICAINSTALLATION AND SERVICE INFORMATION
ARE AVAILABLE 6 DAYS A WEEKCALL OUR TOLL FREE NUMBER - 1-800-528-2806
HOURS 7:00 TO 3:30 p.m. (Mountain Std. Time)MONDAY Through SATURDAY
WHEN ORDERING REPAIR PARTSPLEASE SUPPLY THE FOLLOWING INFORMATION:PART NUMBER DESCRIPTION MODEL NUMBER
ADDRESS ORDER TO:THE CHAMBERLAIN GROUP, INC.
Electronic Parts & Service Dept.2301 N. Forbes Blvd., Suite 104
Tucson, AZ 85745
EVERY EVERY EVERYITEM PROCEDURE 3 MONTHS 6 MONTHS 12 MONTHSDrive Chain Check for excessive slack.
Check & adjust as required.Lubricate.* ● ✔
Sprockets Check set screw tightness ●● ✔✔
Clutch Check & adjust as required ●● ✔✔
Belt Check condition & tension ●● ✔✔
Fasteners Check & tighten as required ●● ✔✔
Manual Disconnect Check & Operate ●● ✔✔
Bearings & Shafts Check for wear & lubricate ●● ✔✔
MAINTENANCE SCHEDULE
12
(OPTIONAL)BIMETAL
CLOSE-A
RED AND YELLOW MOTOR WIRES.* TO REVERSE MOTOR ROTATION INTERCHANGE
PULL SWITCH
OPEN & CLOSE
CLOSE
TO
SAFETY EDGE
OPEN
BR
2
P
7Y
10GY
Y
AUX.
R1 BR
1
ORGY
OPENAUX.
L/S
OPEN-B
BL
OR
12BL
C
(OPTIONAL)
CLOSE L/S
BK
3 STOP
L2 BK
BK
CLOSE-B
4
R
OPEN-A
W
C
CAPACITOR
Y
N.O.
BL
100WMAX.
WLIGHT RELAY
C
SEC.
OPEN L.S.
CLOSE L/SP PCL
OR
R
N.O.
R
OROPN.C. C
W
W
W
11
BR
L1
MOTOR *
RY
10VA.
PR1.
24VAC. Y
W
O/L BK
A
B
W
WIRE NUT
R3
R2
34 2 15
GY
W
R
Y
A.R.S. BOARD(When Present)
N.C. C
MOVE JUMPER WIRE TO TERMINAL #2FOR MOMENTARY CONTACT ON CLOSE
Y
HAND CHAININTERLOCK SW.
(WHEN PRESENT)
BRAKE SOLENOID
CLOSE-C
OPEN-C BL/BK
RES.
SCHEMATIC DIAGRAM 1754
13
WIRING DIAGRAM
SECONDARY
PRIMARY
W
CAPACITOR
OPEN
STOP
CLOSE
1 2 3 4
PULL SWITCH TO
SAFETY EDGE
OPEN & CLOSE
12107 11
RATED LINEVOLTAGE
L2L1
OR P YBR
BK
Y
BLGYY BKBK
GROUND
OR
OP
P
CLBL R
WBL
BR
OR
BL
R
BKR
Y
Y
W
WIRE NUT
Y
O/L
MOTOR
BR R1
R3
R2
GY
W CLOSEPOROPEN
3
4
5
2
1
RADIOREC'R
XFMR
AUX.CLOSEAUX.OPEN
R
BR
P
NO
C
NC
B A
NO
C
NC
C
NO
C
NC
B A
NO
C
NC
C
BRAKESOLENOID
N.O.COMINTLK.
Y
- INTERLOCK SWITCH (WHEN SUPPLIED) WIRED N.O. HELD CLOSED.**
**
INTERCHANGE RED & YELLOW WIRES.TO REVERSE MOTOR DIRECTION
C2 WIRING - Constant Presssure to CloseRED WIRE ON TERMINAL #12 (Shipped from Factory)B2 WIRING - Momentary Contact to CloseMOVE RED WIRE FROM TERMINAL #12 TO TERMINAL #2
*CLOSE CONTROL WIRING OPTIONS
- Shipped from Factory
*
See Close ControlWiring Options Below
W
BL/BK
BL/BK
BL/BK
A.R.S. BOARD(When Present)
Y
W
N.C.
COM
COM
N.C.
N.O. GYN.C.
OR
W
COM
P
R
Y
R
RESISTOR
Y
GY
1754
14
ELECTRICAL BOX - ILLUSTRATED PARTS
2
L3
L5
L7L8
S3
L1
S2
S1
L6L2
S74
91
S6
S4
S8
5
S5
S4
S3
S5
L8
L3
3
L4
8
L2
7
L6
6
15
REPLACEMENT PART KITS
Below are replacement kits available for your operator. For replacement of electrical box, motor or brakecomponents be sure to match model number of your unit to kit number below to ensure proper voltagerequirements. Optional modifications and/or accessories included with your operator may add or remove certaincomponents from these lists. Please consult a parts and service representative regarding availability of individualcomponents of kits specified below. Refer to page 11 for all repair part ordering information.
K72-12487 LIMIT SHAFT ASSEMBLY KITItemL1L2L3L4L5L6L7L8
DescriptionMT Limit ShaftFlange Bearing 3/8” I.D.Limit NutSprocket 48B9 x 3/8” Powder MetalRPM Rotating CupWasher, Shim 3/8” I.D. x .010 THK.Rollpin 1/8 x 1” LongE Ring, 3/8”
Qty12211712
K75-12493 LIMIT SWITCH ASSEMBLY KIT
Complete Electrical Box Service Kits K-MJ5011 Model MJ5011, 115VK-MJ5025 Model MJ5025, 230VK-MH5011R Model MH5011R, 115V RHK-MH5011L Model MH5011L, 115V LHK-MH5025R Model MH5025R, 230V RHK-MH5025L Model MH5025L, 230V LHK-HMJ5011R Model HMJ5011R, 115V RHK-HMJ5011L Model HMJ5011L, 115V LHK-HMJ5025R Model HMJ5025R, 230V RHK-HMJ5025L Model HMJ5025L, 230V LH
Electrical Box Sub-AssembliesK72-12487 Limit Shaft AssemblyK75-12493 Limit Switch Assembly
Motor KitsK20-5150LD 115V ModelsK20-5250LD 230 V Models
Shaft AssembliesK72-12589 Clutch Shaft Assembly, MJK72-12590 Clutch Shaft Assembly, MHK72-12591 Clutch Shaft Assembly, HMJK72-12592 Output Shaft Assembly
Brake KitsK75-12492 Brake Assembly Service Kit, (115V)K75-12494 Brake Assembly Service Kit, (230V)
Disconnect Assembly KitsK75-12587 Disconnect Assembly Service Kit, MJK75-12588 Disconnect Assembly Service Kit, MH
VARIABLE COMPONENT KITS
PART NUMBERK13-10024K23-10041K29-2K21-10340K21-5230K29-10338K29-12110K24-24-6
DESCRIPTIONLimit Nut, (set of 2)Limit SwitchResistor, 2 OhmTransformer, 115V Transformer, 230VCapacitor, 70MFDCapacitor, 20MFD Relay, 3PDT
MJ5
011
MJ5
025
MH
5011
R
MH
5011
L
MH
5025
R
MH
5025
L
HM
J501
1R
HM
J501
1L
HM
J502
5R
HM
J502
5L
P/N 11-1032112-1002813-1002415-48B9A129-1034480-1002686-RP04-10087-E-075
ItemS1S2S3S4S5S6S7S8
DescritionDepress PlateSpring, Depress PlateLimit SwitchStandoff, Limit SwitchScrew, #4-40 x 1-3/8” Pan Hd PhilScrew, #6-32 x 1” Pan Hd PhilNut, Double TinnermanLocknut, #6-32 Nylon Hex
Qty12488242
P/N 10-1031818-1003623-1004131-1004382-PX041982-PX061684-DT-0484-LN-06
* Electrical Box Kits include parts from K72-12487 and K75-12493
123456789
10-1031510-1031623-1091642-1004042-11029-2(See Var. Comp.)(See Var. Comp.)(See Var. Comp.)
MT Electrical BoxMT Electrical Box CoverSPDT Interlock SwitchTerminal Assembly 3 Lug10 Position Terminal BlockResistor, 2ohmTransformerRelay, 24VMotor Capacitor
111111121
* COMPLETE ELECTRICAL BOX KITS
ILLUSTRATED PARTS – Model MJ
16
O11
O10
O3
O12
O9
O5
O8
O2
O7
O1
4D
10
D9 D
4
D5
D3
C21
C12
C4
C12
C12
C3
C21
C5
C21 C
19
C20
C13
C15
C9C
17
C2
B14
2
C4
C12
B7
B17
B18
B11
B19
B2
B4
5
B15
B1
B12
B2
B8
B16
B10
B3
B5
B13
B9
C21
C11
D12
D11
D6
D1
D7
D13
C1
C10 C
6
C7
C16
C14
C18
C8
O2
O9
O8
O6
O12
O4
O10
1
1
3
B3
C11
D2
D8
17
REPAIR PARTS LIST – MODEL MJ
Refer to the parts lists below for replacement kits available for your operator. If optional modifications and/or accessoriesare included with your operator, certain components may be added or remove from these lists. Individual components ofeach kit may not be available. Please consult a parts and service representive regarding availability of individualcomponents. Refer to page 11 for all repair part ordering information.
ITEM PART # DESCRIPTION QTYB1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
Brake Release Arm
Solenoid Link
Brake Mounting Plate
Solenoid Bracket
Pully & Disc Assembly
Comp. Spring .360 O.D. x .045WD
115V Brake Solenoid
230V Brake Solenoid
Spacer .20 I.D. x .260 OD x 1
Brake Plate Pad Assy.
1/4-20 x 3/16 S.S. Knurled Cup
Phillips Pan Self Tap Type ZP
10-32 x 3” SLTD PN HD ZP
SH Cap Screw #6-32 W/Knrld Cup
Sheet Metal Screw AB Hex Slot
Locknut #6-32
Nylon Locknut 10-32 ZP
Flatwasher #10 ZP
Lock Washer ZP
Cotterpin 5/32” x 1-1/2” Long
2
1
1
1
1
4
1
1
2
1
1
4
1
4
4
2
1
4
4
1
10-10354
10-10355
10-10356
10-10357
17-10363
18-10362
22-120
22-240
31-10364
75-10359
82-NH25-03
82-PX10-06T
82-PX10-28
82-SH06-065
83-HS08-04
84-LH-06
84-LH-10
85-FW-10
85-LS-10
86-CP05-108
K72-12592 OUTPUT SHAFT ASSEMBLY KIT
ITEM PART # DESCRIPTION QTY
O1
O2
O3
O4
O5
O6
O7
O8
O9
O10
O11
O12
Output Shaft
Flange Bearing 1” I.D.
Sprocket, #41B14 x 1” Bore
Sprocket, #48B18 x 1” Bore
Sprocket, #48B32 x 1” Bore
Chain, #48 x 27 Links W/Master
Chain, #48 x 43 Links W/Master
Washer 1” I.D. x 1/8 Thick
Washer 1” I.D. x 1/16 Thick
Key 1/4” x 1-1/2” Long
Rollpin 5/16 x 2”
E Ring 1” Plated
1
2
1
1
1
1
1
4
3
2
1
2
11-10705
12-10715
15-41B14LGF
15-48B18LGE
15-48B32LXX
19-48027M
19-48043M
80-206-10
80-206-11
80-207-19
86-RP10-200
87-E-100
K72-12589 CLUTCH SHAFT ASSEMBLY KIT
ITEM PART # DESCRIPTION QTYC1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
Clutch Plate
Disconnect Plate
Clutch Shaft
Bearing 3/4” I.D.
Sprocket Assy, 48B10/41A24
Cogged Belt 4L290
4L Pulley 7” O.D.
Spring, Clutch
Spring, Disconnect
Clutch Disc
Shim Washer, Thick
Shim Washer, Thin
Screw, #10-32 x 5/16 Socket HH
Nut, 3/4-16 Castle
Flatwasher #10
Flatwasher 3/4”
Lock Washer, #10 Split Ring
Cotterpin 5/32 x 1-1/2” Long
Rollpin 1/4 x 1-1/8” Long
Rollpin 5/16 x 2” Long
E Ring 3/4” Plated
1
1
1
2
1
1
1
1
1
1
2
7
2
1
2
4
2
1
1
1
4
10-10166
10-10712
11-10706
12-10029
15-10717
16-4L290
17-10336
18-10164
18-10711
39-10167
80-10022
80-10023
82-SH10-06S
84-SH-76
85-FW-10
85-FW-75
85-LS-10
86-CP05-108
86-RP08-102
86-RP08-200
87-E-075
INDIVIDUAL PARTS
ITEM PART # DESCRIPTION QTY
1
2
3
4
5
Frame Spacer
Frame, Right Side
Frame, Left Side
Electrical Box Replacement Kits
Motor Replacement Kits
2
1
1
1
1
10-10030
10-10713
10-10714
See Page 15
See Page 15
K75-12587 MJ DISCONNECT SERVICE KIT
ITEM PART # DESCRIPTION QTY
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
Disconnect Support Bracket
Yoke
Disconnect Lever
Disconnect Shaft
Tension Spring
12ft. Of Sash Chain
Screw, 1/4-20 x 3/4 Hex Head
Screw, #10-32 x 3/4 Socket HH
Nut, #10-32 Serrated Flange
Jam Nut, #1/4-20 Hex
Cotterpin 1/8 x 1-3/4 Long (ZP)
Cotterpin 5/32 x 1-1/2 Long
Rollpin 1/8 x 1” Long
1
1
1
1
1
1
2
2
2
2
1
1
1
10-10707
10-10708
10-10709
11-10710
18-10178
19-8A-12
82-HN25-12
82-SH10-12
84-FN-10
84-JH-25
86-CP04-112
86-CP05-108
86-RP04-100
BRAKE ASSEMBLY KITS
115 Volt Units230 Volt Units
K75-12492K75-12494
KIT PART # FOR OPERATOR(S)
4D
1
D7
D11
D10 D2
D5
D6
D3
D4
D12 D8
D9
1
O5
O11 O
1
3
C4
C8
O7
O10
C15
C12
C14
C2
C7
C6
C5
C3
C23
C15
C5
C20
C19
O3
O12
O9
O2
O8
B7
B17
B18
B4
B11
B19
B2
5
B15
B1
1
B12
B2
B8
B16
C21
B14
B3
B6
B13
B9
B5
B10
O2
O9
O8
O6
O12
O4
O10
2
C16
C22
C11 C17
C18
C10
C9
C13
C1
C23
C5
C15
18
ILLUSTRATED PARTS – Model MH
19
REPLACEMENT PARTS LIST – MODEL MH
Refer to the parts lists below for replacement kits available for your operator. If optional modifications and/or accessoriesare included with your operator, certain components may be added or remove from these lists. Individual components ofeach kit may not be available. Please consult a parts and service representative regarding availability of individualcomponents. Refer to page 11 for all repair part ordering information.
K72-12590 CLUTCH SHAFT ASSEMBLY KIT
ITEM PART # DESCRIPTION QTYC1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
C22
C23
Clutch Plate
Chain Guide
Release Holder
Clutch Shaft
Bearing, 3/4” I.D.
Bushing .753 ID x .625 Long
NY Liner Bearing
Sprocket, 48B10 3/4” Bore
Cogged Belt, 4L290
Pulley 7” OD
Clutch Spring, (1/2 @ 3/4HP)
Compression Spring
Clutch Pad
Chain Wheel Assembly
Spacer .80 I.D. x 1.125 O.D. x .050
Spacer .753 I.D. x 2.50 O.D. x 1/8
Hex Castle Nut 3/4 x 16 ZP
Washer 3/4 I.D. x 1-1/2 O.D. x .125
Roll Pin 5/16 x 2”
Roll Pin 1/4 x 1-1/8”
Roll Pin 1/4 x 2”
Cotterpin, 5/32” x 1-1/2”
E Ring 3/4” ID
1
1
1
1
3
1
1
1
1
1
1
1
1
1
5
3
1
5
1
1
1
1
2
K72-12592 OUTPUT SHAFT ASSEMBLY KIT
ITEM PART # DESCRIPTION QTY
O1
O2
O3
O4
O5
O6
O7
O8
O9
O10
O11
O12
Output Shaft
Flange Bearing 1” I.D.
Sprocket, #41B14 x 1” Bore
Sprocket, #48B18 x 1” Bore
Sprocket, #48B32 x 1” Bore
Chain, #48 x 27 Links W/Master
Chain, #48 x 43 Links W/Master
Washer 1” I.D. x 1/8 Thick
Washer 1” I.D. x 1/16 Thick
Key 1/4” x 1-1/2” Long
Rollpin 5/16 x 2”
E Ring 1” Plated
1
2
1
1
1
1
1
4
3
2
1
2
11-10705
12-10715
15-41B14LGF
15-48B18LGE
15-48B32LXX
19-48027M
19-48043M
80-206-10
80-206-11
80-207-19
86-RP10-200
87-E-100
10-10166
10-10882
10-10985
11-10987
12-10029
12-10882
12-10883
15-48B10GXX
16-4L290
17-10336
18-10164
18-10984
39-10167
75-10884
80-10022
80-10883
84-SH-76
85-FW-75
86-RP10-200
86-RP08-102
86-RP08-200
86-CP05-108
87-E-075
K75-12588 MH DISCONNECT ASSEMBLY KIT
ITEM PART # DESCRIPTION QTYD1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
Disconnect Support Bracket
Yoke
Disconnect Lever
Interlock Switch Actuator
Disconnect Shaft
Sash Chain, 12 Foot Long
Hex Cap Screw, 1/4-20 x 3/4”
Socket Head Screw, #10-32 x 3/8”
Socket Head Screw, #10-32 x 7/8”
Serrated Flange Nut, #10-32
Serrated Flange Nut, 1/4-20
Lockwasher, #10-32
1
1
1
1
1
1
2
1
2
2
2
1
10-10707
10-10708
10-10875
10-10988
11-10982
19-8A-12
82-HN25-12
82-SH10-06S
82-SH10-14
84-FN-10
84-FN-25
85-LS-10
INDIVIDUAL PARTS
ITEM PART # DESCRIPTION QTY1
2
3
4
5
Frame Spacer
Frame, Right Side
Frame, Left Side
Electrical Box Replacement Kit
Motor Replacement Kit
2
1
1
1
1
10-10030
10-10713
10-10714
See Page 15
See Page 15
See Page 17 for Brake Kit Parts List
BRAKE ASSEMBLY KITS
115 Volt Units230 Volt Units
K75-12492K75-12494
KIT PART # FOR OPERATOR(S)
O11
4
O10
O3
O12
O9
C9
C13
O5
H1
O1
H7
H4
H12 H8
C17
C14
C16
C3
C27
C27
C27
B14
C25
C8
C6
C21
C7
B18
B11
C26
C19
B19
B15
B9
B7
B17
C4
B2
J10
J11
B4
J8
J2
J6
J12
5
B6
B3
B1
B13
J5
J3
J4J1
3
J9
H2
B16
H3
C12
H9
H6H5
C27
B5
B8
B2
B12
B10
C6
C18
C17
C1
C15 C10
C22
C24
C20
C11
O12
O4
O10
O2
O9
O8
O6H
10
H11
C17
C6
C18
C18
C5
O7
C23
C2
O2
O8
1
1
3
J1
J7
2
ILLUSTRATED PARTS – Model HMJ
20
21
REPLACEMENT PARTS LIST – MODEL HMJ
K72-12591 CLUTCH SHAFT ASSEMBLY KIT
ITEM PART # DESCRIPTION QTYC1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
C22
C23
C24
C25
C26
C27
Clutch Plate
Disconnect Plate
Chain Guide
Release Holder
Clutch Shaft
Bearing, 3/4” I.D.
Bushing .753 ID x .625 Long
NY Liner Bearing
Sprocket Assy., 48B10/41A24
Cogged Belt 4L290
Pulley 7” OD
Clutch Spring, (1/2 @ 3/4HP)
Spring, Disconnect
Compression Spring
Clutch Pad
Chain Wheel Assembly
Spacer .80 I.D. x 1.125 O.D. x .050
Spacer .80 I.D. x 1.125 O.D. x .010
Screw, #10-32 x 3/8 Socket HH
Hex Castle Nut 3/4 x 16 ZP
Flatwasher #10
Washer 3/4 I.D. x 1-1/2 O.D. x .125
Lock Washer, #10 Split Ring
Cotterpin, 5/32 x 1-1/2” Long
Rollpin 1/4 x 1-1/8” Long
Rollpin 5/16 x 2” Long
E-Ring 3/4” Plated
1
1
1
1
1
3
1
1
1
1
1
1
1
1
1
1
4
6
2
1
2
4
2
1
1
1
4
K72-12592 OUTPUT SHAFT ASSEMBLY KIT
ITEM PART # DESCRIPTION QTY
O1
O2
O3
O4
O5
O6
O7
O8
O9
O10
O11
O12
Output Shaft
Flange Bearing 1” I.D.
Sprocket, #41B14 x 1” Bore
Sprocket, #48B18 x 1” Bore
Sprocket, #48B32 x 1” Bore
Chain, #48 x 27 Links W/Master
Chain, #48 x 43 Links W/Master
Washer 1” I.D. x 1/8 Thick
Washer 1” I.D. x 1/16 Thick
Key 1/4” x 1-1/2” Long
Rollpin 5/16 x 2”
E Ring 1” Plated
1
2
1
1
1
1
1
4
3
2
1
2
11-10705
12-10715
15-41B14LGF
15-48B18LGE
15-48B32LXX
19-48027M
19-48043M
80-206-10
80-206-11
80-207-19
86-RP10-200
87-E-100
10-10166
10-10712
10-10882
10-10985
11-10706
12-10029
12-10882
12-10883
15-10717
16-4L290
17-10336
18-10164
18-10711
18-10984
39-10167
75-10884
80-10022
80-10023
82-SH10-06S
84-SH-76
85-FW-10
85-FW-75
85-LS-10
86-CP05-108
86-RP08-102
86-RP08-200
87-E-075
K75-12588 MH DISCONNECT ASSEMBLY KIT
ITEM PART # DESCRIPTION QTYH1
H2
H3
H4
H5
H6
H7
H8
H9
H10
H11
H12
Disconnect Support Bracket
Yoke
Disconnect Lever
Interlock Switch Actuator
Disconnect Shaft
Sash Chain, 12 Foot Long
Hex Cap Screw, 1/4-20 x 3/4”
Socket Head Screw, #10-32 x 3/8”
Socket Head Screw, #10-32 x 7/8”
Serrated Flange Nut, #10-32
Serrated Flange Nut, 1/4-20
Lockwasher, #10-32
1
1
1
1
1
1
2
1
2
2
2
1
10-10707
10-10708
10-10875
10-10988
11-10982
19-8A-12
82-HN25-12
82-SH10-06S
82-SH10-14
84-FN-10
84-FN-25
85-LS-10
INDIVIDUAL PARTS
ITEM PART # DESCRIPTION QTY
1
2
3
4
5
Frame Spacer
Frame, Right Side
Frame, Left Side
Electrical Box Replacement Kit
Motor Replacement Kit
2
1
1
1
1
10-10030
10-10713
10-10714
See Page 15
See Page 15
K75-12587 MJ DISCONNECT ASSEMBLY KIT
ITEM PART # DESCRIPTION QTY
J1
J2
J3
J4
J5
J6
J7
J8
J9
J10
J11
J12
J13
Disconnect Support Bracket
Yoke
Disconnect Lever
Disconnect Shaft
Tension Spring
12ft. Of Sash Chain
Screw, 1/4-20 x 3/4 Hex Head
Screw, #10-32 x 3/4 Socket HH
Nut, #10-32 Serrated Flange
Jam Nut, #1/4-20 Hex
Cotterpin 1/8 x 1-3/4 Long (ZP)
Cotterpin 5/32 x 1-1/2 Long
Rollpin 1/8 x 1” Long
1
1
1
1
1
1
2
2
2
2
1
1
1
10-10707
10-10708
10-10709
11-10710
18-10178
19-8A-12
82-HN25-12
82-SH10-12
84-FN-10
84-JH-25
86-CP04-112
86-CP05-108
86-RP04-100
See Page 17 for Brake Kit Parts List
BRAKE ASSEMBLY KITS
115 Volt Units230 Volt Units
K75-12492K75-12494
KIT PART # FOR OPERATOR(S)
Refer to the parts lists below for replacement kits available for your operator. If optional modifications and/or accessoriesare included with your operator, certain components may be added or remove from these lists. Individual components ofeach kit may not be available. Please consult a parts and service representative regarding availability of individualcomponents. Refer to page 11 for all repair part ordering information.
22
OPERATOR NOTES
23
OPERATOR NOTES
c 2000, The Chamberlain Group, Inc.
All rights Reserved01-10701L
OPEN TIMER TO CLOSE
3 BUTTON STATION or 3 POSITION KEYSWITCH w/ SPRING RETURN TO CENTER AND STOP BUTTON
2 OR MORE KEY LOCKOUT
R1 R2 R3
1 2 3 4
Stop
Close
Open
Stop
Close
Open
1 2 3 4
Stop
Close
Open
2 BUTTON STATION or 3 POSITION KEYSWITCH w/ SPRING RETURN TO CENTER
STANDARD
1 2 4
Close
Open
ALL CONTROL WIRING TYPES
2 OR MORE1 2 4
Close
Open
Close
Open
OPEN / CLOSE
3 7
RADIO CONTROL
1 BUTTON STATION orANY AUXILIARY DEVICE
RESIDENTIAL RADIO CONTROLSSENSING DEVICE TO REVERSE OR STOP
EXTERNAL INTERLOCK
3 10
4 5 4 5
Remove JumperWhen Interlock is Used
ONE 2 OR MORE
STANDARD
1 2 3 4
Stop
Close
Open
IMPORTANT NOTES:1) The 3-Button Control Station provided must be connected for operation.2) If a STOP button is not used, a jumper must be placed between termianls 3 and 4.3) Auxiliary control equipment may be any normally open two wire device such as pullswitch, single button, loop detector, card key or such device.
Keyswitch
Sensing Device
ALL CONTROL WIRING TYPESB2 or T1
WIRING TYPES ONLY
ALL CONTROL WIRING TYPEST1 WIRING - RADIO TO OPEN ONLY
*
*
EXTERNALTERMINAL BLOCK
ALL CONTROL WIRING TYPESALL CONTROL WIRING TYPES
ALL CONTROL WIRING TYPES
TIMER TO CLOSE w/ WARNING LIGHT
ALL CONTROL WIRING TYPEST1 CONTROL WIRING ONLY
11 12
Timer DefeatSwitch
13 14
Power Supply forWarning Light
Auxiliary Terminal Block
Warning Light will activate 15 sec. before door closes.
ALL CONTROL WIRING TYPES
ATTENTION ELECTRICIAN:USE 16 GAUGE OR HEAVIER WIRE
FOR ALL CONTROL CIRCUIT WIRING.
SEE NOTE #2SEE NOTE #2 SEE NOTES#2 AND #3
CONTROL CONNECTION DIAGRAM
Recommended