Chamberlain MGJ Owner's Manual
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Chamberlain MGJ Owner's Manual

Chamberlain MGJ Owner's Manual

S-series industrial duty door operator for use with ss90 fire door controller
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OWNER'S MANUAL
MODEL
MGJ (S-Series)
INDUSTRIAL DUTY DOOR OPERATOR
FOR USE WITH SS90 FIRE DOOR CONTROLLER
NOT FOR RESIDENTIAL USE
2 YEAR WARRANTY
41B6
Serial #
(located on electrical box cover)
Installation Date
Wiring Type
LISTED DOOR OPERATOR

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Summary of Contents for Chamberlain MGJ

  • Page 1 OWNER'S MANUAL MODEL MGJ (S-Series) INDUSTRIAL DUTY DOOR OPERATOR FOR USE WITH SS90 FIRE DOOR CONTROLLER NOT FOR RESIDENTIAL USE 2 YEAR WARRANTY 41B6 Serial # (located on electrical box cover) Installation Date Wiring Type LISTED DOOR OPERATOR...

  • Page 2: Table Of Contents

    Maintenance Schedule .....8 HARDWARE PACKING LIST Before beginning your installation check that all components were supplied and received undamaged. Refer to list below for Factory Supplied parts. HARDWARE KIT MGJ SSSI (K77-18599) PART # DESCRIPTION QTY.

  • Page 3: Operator Dimensions

    REQUIRED WHEN THE 3 BUTTON CONTROL STATION 3Ph, 39RPM IS OUT OF SIGHT OF DOOR OR ANY OTHER CON- TROL (AUTOMATIC OR MANUAL) IS USED. BEARINGS: Heavy duty wormgear-in-oil-bath speed reducer. MGJ WEIGHTS AND DIMENSIONS HANGING WEIGHT: ..80-110 LBS. MOUNTING DIMENSIONS 7.50” 10.50” 11.05” 5.50”...

  • Page 4: Safety Notes

    Shipped from the factory for either left hand or right hand mounting. Refer to next to last digit in the model number for hand- ing of your unit. If necessary, model MGJ may also be field modified to accommodate opposite handing. Refer to the con- version instructions below and on page 5.

  • Page 5: Operator Mounting

    Remove the three cotter pins from the disconnect shaft. 2. Re-assemble Disconnect Assembly Do not discard the pins. Slide the disconnect shaft out of Remove the two screws on the opposite side of the gear the support bracket. The release lever will now be free reducer and mount the disconnect support bracket with inside the motor frame.

  • Page 6: Emergency Manual Operation

    OPERATOR MOUNTING CONT’D 6. Mount Chain Keeper / Keyhole Bracket Using suitable hardware mount the chain keeper approximately 4 feet above the floor, near the free hanging chain. Remove disconnect sash chain from bag and place the end through the keyhole in the the chain keeper.

  • Page 7: Entrapment Protection

    ENTRAPMENT PROTECTION ACCESSORIES (OPTIONAL) ELECTRIC SENSING EDGES IT IS STRONGLY RECOMMENDED THAT A Electric sensing edges with an isolated normally open SENSING EDGE OR OTHER ENTRAPMENT PRO- (N.O.) output are compatible with your operator. If your TECTION DEVICE BE USED IN CONJUNCTION door does not have a bottom sensing edge and you wish WITH THIS OPERATOR.

  • Page 8: Maintenance Schedule

    MAINTENANCE SCHEDULE Check at the intervals listed in the following chart. EVERY EVERY EVERY ITEM PROCEDURE 3 MONTHS 6 MONTHS 12 MONTHS Drive Chain Check for excessive slack. Check & adjust as required. Lubricate.* Sprockets Check set screw tightness Fasteners Check &...

  • Page 9: Control Wiring

    If your operator was shipped from the factory with non- Standard C2 or B2 Wiring standard control wiring or with optional accessories that Model MGJ operators are shipped from the factory with require additional instructions, refer to the wiring dia- jumper set for C2 wiring, which requires constant pres- gram(s) indicated in the special control wiring data box.

  • Page 10: Single Phase Wiring Diagram

    SINGLE PHASE SCHEMATIC DIAGRAM 1893 (OPTIONAL) (OPTIONAL 115V OPERATORS ONLY) BIMETAL LIGHT RELAY MAX. 100W WIRE NUT CLOSE-B N.O. RES. MOTOR * OPEN-A CAPACITOR WIRE NUT PR1. STOP 10VA. Y/BK - Shipped from Factory 24VAC. CLOSE CONTROL WIRING OPTIONS SEC. C2 WIRING - Constant Presssure to Close RED WIRE ON TERMINAL #12 (Shipped from Factory) B2 WIRING - Momentary Contact to Close...

  • Page 11: Three Phase Wiring Diagram

    THREE PHASE SCHEMATIC DIAGRAM 1894 BL/BK BL/BK 230 VOLT - 3 PHASE MOTOR CONNECTION (GY) (BK) 3 PHASE (BK) POWER IN TO MOTOR (PUR) (BK) (YEL) (BK) (BK) (BR) PRI. OVERLOAD EXTERNAL (IN MOTOR) INTERLOCK (SEE NOTE #1) STOP (BRN) (BRN) 24VAC SEC.

  • Page 12: Replacement Parts Electrical Box

    Electrical Box Sub-Assemblies 85-FW-38 Flatwasher, 3/8” K72-12565 MGJ Limit Shaft Assembly 86-RP04-012 Roll Pin, 1/8” Dia. x 3/4” Long K75-18566 MGJ SSSI Limit Switch Assembly 87-E-038 E Ring, 3/8” Motor Kits K20-1050C1M-R Model MGJ5011 K75-18566 LIMIT SWITCH ASSEMBLY KIT K20-3050C4M-R Models MGJ5023...

  • Page 13: Electrical Box Diagram

    MGJ ELECTRICAL BOX - ILLUSTRATED PARTS...

  • Page 14: Replacement Parts Frame

    Gear Reducer, 45:1 Disconnect Support Bracket 10-11358 See Page 20 Electrical Box Release Lever 10-11394 See Page 20 Motor Disconnect Shaft MGJ 11-11361 Sprocket, 41B19 x 1.25 Bore 15-11377 Compression Spring 18-10467 19-8A-12 12ft. Of Sash Chain 80-11416 Disconnect Key 1/4 x 1/4 x 7/8 80-206-11 Washer, 1”...

  • Page 16: Control Connections

    MGJ CONTROL CONNECTION DIAGRAM IMPORTANT NOTES: ATTENTION ELECTRICIAN: 1) The 3-Button Control Station provided must be connected for operation. USE 16 GAUGE OR HEAVIER WIRE 2) If a STOP button is not used, a jumper must be placed between termianls 3 and 4.

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