FACTORY SET OWNER'S MANUAL C2 Wiring MODELS: See page 8 for other wiring configurations MJ ✦ MH ✦ HMJ INDUSTRIAL DUTY DOOR OPERATOR 2 YEAR WARRANTY NOT FOR RESIDENTIAL USE 41B6 Serial # (located on electrical box cover) Installation Date Wiring Type
SPECIFICATIONS MOTOR ELECTRICAL TYPE: .................................Intermittent duty TRANSFORMER:.............24Vac HORSEPOWER: ................1/2 HP CONTROL STATION: ......NEMA 1 3-button station. OPEN/CLOSE/STOP WIRING TYPE:.................C2 (Standard) Momentary contact to OPEN & STOP, constant pressure to CLOSE, open override plus wiring for sensing device to reverse. See pages 13 and 14 for optional control settings and operating modes. SPEED:...............................
NING WARNING IMPORTANT SAFETY NOTES ION WARNING To prevent possible SERIOUS INJURY or DEATH: • DO NOT connect electric power until instructed to do so. • If the door lock needs to remain functional, install an interlock switch. • ALWAYS call a trained professional door serviceman if door binds, sticks or is out of balance. An unbalanced door may not reverse when required.
INSTALLATION Important NOTE: Before your operator is installed, be sure the door has been properly aligned and is working smoothly. The operator may be wall mounted or mounted on a bracket or shelf. If necessary, refer to the operator preparations on page 3. Refer to the illustration and instructions below that suits your application. 1a. Wall Mounting The operator should generally be installed below the door shaft, and as close to the door as possible.
8. 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. Remove excess links if necessary. 7. Install Hand Chain (Models MH and HMJ only) Place hand chain around hand chain wheel. Be sure to pass it through both openings in the chain guide.
ENTRAPMENT PROTECTION ACCESSORIES (OPTIONAL) SENSING EDGES All types of sensing edges with an isolated normally open (N.O.) output are compatible with your operator. This includes pneumatic and electric edges. If your door does not have a bottom sensing edge and you wish to purchase one, contact the supplier of your operator.
WARNING POWER WIRING WARNING POWER WIRING CONNECTIONS 1. 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 OR ATTEMPT TO RUN THIS OPERATOR WITHOUT CONSULTING THE WIRING DIAGRAM.
CONTROL WIRING DETERMINE WIRING TYPE Refer to the wiring diagram located on the inside cover the electrical box to determine the type of control wiring. Standard C2 or B2 Wiring Standard operators are shipped from the factory with jumper set for C2 wiring, which requires constant pressure on button to close the door. If momentary contact on close direction is desired (B2 wiring) you must include an entrapment protection device. See close control settings to the right.
CONTROL WIRING (cont’d) WARNING WARNING WARNING To prevent possible SERIOUS INJURY or DEATH from a moving gate or garage door: • ALWAYS keep remote controls out of reach of children. NEVER permit children to operate, or play with remote controls. • Activate gate or door ONLY when it can be seen clearly, is properly adjusted, and there are no obstructions to door travel. • ALWAYS keep gate or garage door in sight until completely closed. NEVER permit anyone to cross path of moving gate or door.
WARNING TEST THE SYSTEM Turn on power. Test all controls and safety devices to make sure they are working properly. It will be necessary to refer back to page 6 for fine adjustment of the limit switches. CAUTION WARNING WARNING To reduce the risk of SEVERE INJURY or DEATH: • ANY maintenance to the operator or in the area near the operator MUST NOT be performed until disconnecting the electrical power and locking-out the power via the operator power switch.
MAINTENANCE SCHEDULE Check at the intervals listed in the following chart. ITEM Drive Chain EVERY 3 MONTHS PROCEDURE Check for excessive slack. Check & adjust as required. Lubricate.
SCHEMATIC DIAGRAM 1754 (OPTIONAL) (OPTIONAL) BIMETAL RELAY LIGHT W C MAX. 100W B BK A CLOSE-B C Y BL N.O. W MOTOR * RES. BK O/L BK L2 W OPEN-A Y L1 R CAPACITOR BR R BK CLOSE-C BRAKE SOLENOID OPEN-C BL/BK WIRE NUT PR1. 3 STOP 4 Y (WHEN PRESENT) R 12 BL BR BR R1 OR AUX. CLOSE L/S 10 SAFETY EDGE GY BL GY GY CLOSE-A C OPEN-B OPEN R3 Y 24VAC. SEC. HAND CHAIN INTERLOCK SW. MOVE JUMPER WIRE TO TERMINAL #2 FOR MOMENTARY CONTACT ON CLOSE W 10VA. R N.O.
WIRING DIAGRAM 1754 W W COM OPEN P OR N.C. CLOSE COM OR N.C. AUX.OPEN Y P AUX.CLOSE N.C. N.O. COM GY GY W Y R3 R2 BR R1 RADIO REC'R TO REVERSE MOTOR DIRECTION INTERCHANGE RED & YELLOW WIRES. RESISTOR MOTOR Y Y Y O/L BRAKE SOLENOID CAPACITOR R BR R BK BL/BK WIRE NUT R R W PRIMARY BK B C NC NC OR BR NO NO C C **INTLK. B C W NC NO NO C C CL BL R BL/BK N.O.
ELECTRICAL BOX - ILLUSTRATED PARTS 2 S5 L5 L8 L3 S3 S4 L1 L7 L8 L3 L6 S5 8 3 S3 L2 S4 S8 6 S2 S7 4 S1 S6 L2 L6 L4 7 5 1 9 14
REPLACEMENT PART KITS 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. Please consult a parts and service representative regarding availability of individual components of kits specified below.
B4 B7 C15 C15 C5 C4 B12 C13 C15 B2 C14 O8 5 O10 C3 O2 B3 O3 B6 C9 O7 C2 16 B9 B1 1 O5 O1 B5 B8 B11 O9 B2 3 B10 2 C4 4 1 C1 C10 C15 D4 C6 O2 D1 C7 D3 D8 D9 O6 D5 D7 D6 C11 C8 O12 D2 C12 O4 O10 ILLUSTRATED PARTS – Model MJ
REPAIR PARTS LIST – MODEL MJ K75-12587 · MJ DISCONNECT SERVICE KIT INDIVIDUAL PARTS ITEM 1 2 3 4 PART# 10-10030 10-10713 10-10714 K-HMJ5011R K-HMJ5011L K-HMJ5011R K-HMJ5011R 5 K20-5150LD K20-5250LD DESCRIPTION ITEM Frame Spacer Frame, Right Side Frame, Left Side Electrical Box HMJ5011R, 115V RH Electrical Box HMJ5011L, 115V LH Electrical Box HMJ5025R, 230V RH Electrical Box HMJ5025L, 230V LH Motor - Model HMJ5011 Motor - Model HMJ5025 PART# J1 J2 J3 J4 J5 J6 J7 J8 J9 10-10707 10-10708 10-10709 11-
C14 C12 C2 18 B4 B7 C7 C5 C6 C3 B12 C17 C20 B2 C16 O8 C18 5 O10 C5 O2 O3 B3 C8 O7 B6 C4 1 O5 O1 B1 O9 B9 3 B8 B11 2 B5 B2 C5 B10 4 1 C1 O2 C9 C13 C20 D4 D1 C10 O6 O4 C15 C11 O10 D3 D6 D5 D2 C19 O8 ILLUSTRATED PARTS – Model MH
REPLACEMENT PARTS LIST – MODEL MH SERVICE KITS INDIVIDUAL PARTS ITEM PART# DESCRIPTION ITEM K1 K72-19979 Clutch Shaft Kit 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Complete with: Clutch Shaft, Keyed Flange Bearing, Dual Sprocket 32/14, 14 Tooth Sprocket, E-Ring, Compression Spring, Chain Wheel Assembly, Pulley Assembly, Chain Guide Assembly, Shim Washer, Washer, Thrust Washer and Roll Pins.
C16 C3 C14 C8 J4 C6 C7 20 B7 J3 B4 C4 J8 J5 J7 J1 C21 J9 C21 J2 C9 C6 J6 B12 C19 C21 B2 C20 O8 O10 C5 O2 O3 5 B3 C13 O7 B6 C2 1 O5 O1 B1 O9 B9 3 B8 B11 2 B5 B2 C6 B10 4 C1 1 C10 C15 C19 H4 H1 C11 O2 H2 C17 C12 O6 O12 H3 H6 H5 C18 O4 O10 ILLUSTRATED PARTS – Model HMJ
REPLACEMENT PARTS LIST – MODEL HMJ INDIVIDUAL PARTS SERVICE KITS ITEM PART# DESCRIPTION ITEM K1 K72-19975 Clutch Shaft Kit 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Complete with: Clutch Shaft, 1" Keyed Flange Bearings, Dual Sprocket 32/14, Splined Core Sprocket, E-Ring, Compression Spring, Pulley Assembly, Washers, Thrust Bearing, Retaining Ring, Splined Hub and Roll Pin.
OPERATOR NOTES 22
OPERATOR NOTES 23
CONTROL CONNECTION DIAGRAM 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 terminals 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.
