Ligh commercial-residental dc vehicular swing gate operator (56 pages)
Summary of Contents for Chamberlain LGJ
Page 1
OWNER'S MANUAL MODELS: LGJ & MGJ INDUSTRIAL DUTY DOOR OPERATOR NOT FOR RESIDENTIAL USE 2 YEAR WARRANTY 41B6 Serial # (located on electrical box cover) Installation Date Wiring Type LISTED DOOR OPERATOR...
The safety and wear of the operator will be adversely affected if any of the above requirements are not met. 2.75 for MGJ, butt together for LGJ 2-1/4" For metal buildings, fasten 2” x 2” x 3/16” (or larger) angle FIGURE 1 iron frames to the building purlins.
Page 4
LGJ LEFT HAND MOUNTING PREPARATIONS LGJ Operators are assembled at the factory to be installed in a right hand (motor side up) configuration. To install an LGJ Operator on the left hand side of your door (motor side down), complete the three steps described below.
Page 5
SUPPORT BRACKET RELEASE CABLE SLOT HOUR GLASS CABLE SLEEVE KEY RING FIGURE 2 SASH CHAIN Disconnect Cable Re-routed for Left Hand Mounting LABEL SILK SCREEN FIGURE 3...
Keyhole Bracket 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 8
ENTRAPMENT PROTECTION ACCESSORIES (OPTIONAL) SENSING EDGES IT IS STRONGLY RECOMMENDED THAT A All types of sensing edges with an isolated normally SENSING EDGE OR OTHER ENTRAPMENT open (N.O.) output are compatible with your operator. PROTECTION DEVICE USED This includes pneumatic and electric edges. If your CONJUNCTION WITH THIS OPERATOR.
Page 9
LGJ LIMIT SWITCH ADJUSTMENT IMPORTANT NOTE: To avoid danger of possible damage to the door and operator, limit switches must be adjusted to their approximate positions before applying power to the operator. Auxiliary limit switches to control other functions are...
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 &...
Standard C2 or B2 Wiring Standard G2 Wiring Model MGJ operators are shipped from the factory Model LGJ operators are supplied with type G2 control with jumper set for C2 wiring, which requires constant wiring. Study the control features list below to pressure on button to close the door.
Page 12
SINGLE PHASE SCHEMATIC DIAGRAM for MGJ 1754 (OPTIONAL) (OPTIONAL) BIMETAL LIGHT RELAY MAX. 100W WIRE NUT CLOSE-B N.O. RES. MOTOR * L1 (N) (HOT) L2 OPEN-A CAPACITOR WIRE NUT PR1. STOP 10VA. Y/BK 24VAC. SEC. MOVE JUMPER WIRE TO TERMINAL #2 FOR MOMENTARY CONTACT ON CLOSE CLOSE-A N.O.
Page 13
THREE PHASE SCHEMATIC DIAGRAM for MGJ 1819 BL/BK BL/BK BL/BK BL/BK 230 VOLT - 3 PHASE 460 VOLT - 3 PHASE MOTOR CONNECTION MOTOR CONNECTION (GY) (BK) 3 PHASE (BK) POWER IN TO MOTOR (BK) (PUR) (YEL) (BK) (BK) (BR) PRI.
Page 14
SINGLE PHASE SCHEMATIC DIAGRAM for LGJ 1666...
Page 15
LGJ CONTROL CONNECTION DIAGRAM 41B6 LISTED DOOR OPERATOR NUMBERED BOXES CORRESPOND WITH TERMINALS ON J1 CONNECTOR STRIP If Neccessary, Remove The Connector Block From The Board To Secure Each Wire Connection Connect field wires to any terminal number shown in the respective column. See control options below for explanation of how field control will function for each terminal number.
Page 16
REPLACEMENT PART KITS LGJ Below are replacement kits available for your operator. Optional modifications and/or accessories included with your operator may add or remove certain components from these lists. Please consult a parts and service representative regarding availability of individual components of kits specified below. Refer to page 10 for all repair part ordering information.
Page 17
LGJ ELECTRICAL BOX - ILLUSTRATED PARTS WARNING WARNING...
Page 18
REPLACEMENT PART LISTS – MODEL Refer to the parts lists below for replacement kits available for your operator. If optional modifications and/or accessories are included with your operator, certain components may be added or removed from these lists. Individual components of each kit may not be available. Please consult a parts and service representative regarding availability of individual components.
REPLACEMENT PART KITS MGJ Below are replacement kits available for your operator. For replacement of electrical box, motor or brake components be sure to match model number of your unit to kit number below to ensure proper voltage requirements. Optional modifications and/or accessories included with your operator may add or remove certain components from these lists.
Page 22
REPLACEMENT PART LISTS – MODEL Refer to the parts lists below for replacement kits available for your operator. If optional modifications and/or accessories are included with your operator, certain components may be added or removed from these lists. Individual components of each kit may not be available. Please consult a parts and service representative regarding availability of individual components.
Page 24
MGJ CONTROL CONNECTION DIAGRAM (Refer to page 15 for model LGJ control connections) 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.