Lift-master MT1211 User Manual

OWNER'S MANUAL

SERIES 1000

MODEL MT 1211

MEDIUM DUTY

BELT DRIVEN TROLLEY OPERATOR

The Chamberlain Group, Inc. A DUCHOSSOIS ENTERPRISE 845 Larch Avenue Elmhurst, Illinois 60126

3 2 1

Serial #

(located on electrical box cover) Installation Date Wiring Type

COMMERCIAL DOOR OPERATOR LISTED

NOT FOR RESIDENTIAL USE

SPECIFICATIONS

MOTOR

TYPE:................................Permanent Split Capacitor

HORSEPOWER:...............1/2 HP Intermittent Duty

(12 Cycles/Hr.)

SPEED: .............................1000 RPM

VOLTAGE:........................115VAC 60Hz Single Phase

CURRENT:........................6.0/6.5 AMP

MAXIMUM

DOOR SIZE:......................14' X 14'

MECHANICAL

DRIVE REDUCTION:

1st Reduction:..................Heavy Duty (4L) V-Belt

2nd & 3rd Reductions:.....#48 Chain and Sprockets

Output:.............................. #48 Chain

OUTPUT SHAFT SPEED:...85 R.P.M.

DOOR SPEED:....................8" - 10" per sec.

BEARINGS:.........................Heavy Duty Oil-Filled Bronze

BRAKE:...............................Solenoid Drum Brake

(Optional)

ELECTRICAL

TRANSFORMER: ..........24VAC

CAPACITOR:.................Single 70 microfared

CONTROL STATION:....3 Button

OPEN/CLOSE/STOP, NEMA 1

WIRING TYPE:...............B2 (Standard)

Momentary Contact to OPEN/CLOSE/STOP plus Wiring for Sensing Device to Reverse and Auxiliary Devices to Open and Close with Opener Override

LIMIT ADJUST:..............Linear Driven, Fully

Adjustable Screw Type Cams. Adjustable to 14 feet.

SAFETY

DISCONNECT:..................Spring Loaded Trolley

Disconnect Arm

CLUTCH:...........................Adjustable Friction Type

SAFETY EDGE:................(Optional)

Electric or Pneumatic Sensing Device attached to the Bottom Edge of Door.

A REVERSING EDGE IS STRONGLY RECOMMENDED FOR OPERATOR INSTALLATIONS. THE 3 BUTTON CONTROL STATION IS OUT OF SIGHT OF DOOR OR ANY OTHER CONTROL (AUTOMATIC OR MANUAL) IS USED. SEE PAGE 8.

ALL

COMMERCIAL

REQUIRED

WHEN

WEIGHTS AND DIMENSIONS

HANGING WEIGHT.....42 LBS.

DOOR HEIGHT + 3' - 3 1/2"

11 1/2"

HOW TO ORDER REPAIR PARTS

OUR LARGE SERVICE ORGANIZATION

SPANS AMERICA

INSTALLATION AND SERVICE INFORMATION

ARE AVAILABLE 6 DAYS A WEEK

CALL OUR TOLL FREE NUMBER - 1-800-528-6563

HOURS 7:00 TO 3:30 p.m. (Mountain Std. Time)

MONDAY Thorough SATURDAY

MIN. CLEARANCE OF 2" FROM HIGH ARC OF DOOR TO BOTTOM OF TRACK

WHEN ORDERING REPAIR PARTS

PLEASE 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

ASSEMBLE TRACK AND OPERATOR

CAUTION

THIS IS A MEDIUM USE OPERATOR, NOT INTENDED FOR RESIDENTIAL OR HIGH USE APPLICATIONS. TO PREVENT ELECTRICAL COMPONENT DAMAGE AND RELATED POTENTIAL HAZARD, DO NOT EXCEED TWELVE (12) CYCLES PER HOUR.

DO NOT CONNECT ELECTRIC POWER UNTIL INSTRUCTED TO DO SO.

FIGURE 1

Track

WARNING

KEEP DOOR BALANCED. STICKING OR BINDING DOORS MUST BE REPAIRED. DOORS, DOOR SPRINGS, CABLES, PULLEYS, BRACKETS AND THEIR HARDWARE MAY BE UNDER EXTREME TENSION AND CAN CAUSE SERIOUS PERSONAL INJURY OR DEATH. CALL A PROFESSIONAL DOOR SERVICEMAN TO MOVE OR ADJUST DOOR SPRINGS OR HARDWARE.

Idler Shaft

Bracket

Trolley

Header Bracket

Track Idler

Shaft

3 2 1

Check the identification tag mounted on the electrical box to be sure the voltage, phase and h.p. are correct for your needs.

1. Fasten track to the operator frame. DO NOT TIGHTEN BOLTS. See Figure 1.

2. Position the slide on the track. Attach track spacer(s).

3. Position the idler shaft between tracks. Place track bracket over tracks. There are two holes on each side of bracket (Fig. 1).

Fasten track bracket to end of rail assembly.

Track

Spacer

REFER TO MASTER WIRING DIAGRAM ON PAGE

10. MAKE CONNECTION THROUGH THE 7/8" DIA., LABELED HOLE. CONNECT THE HOT WIRE TO L1

- THE NEUTRAL WIRE TO L2 - AND THE GROUND WIRE TO THE GREEN CHASSIS GROUND SCREW. DO NOT RUN CONTROL WIRES IN THE SAME CONDUIT AS THE POWER WIRES.

4. Align track so that slide moves easily and does not bind. Tighten all bolts.

5. Run chain around front and rear sprockets and attach to slide assembly with master links. Adjust chain only until excessive slack is removed. To retain proper tension, tighten 3/8" lock nut.

INSTALL OPERATOR

CAUTION: AT LEAST TWO PERSONS AND A STRONG, SAFE WORKING PLATFORM ARE REQUIRED FOR THE INSTALLATION OF OPERATOR.

CAUTION

TO AVOID DAMAGE TO DOOR AND OPERATOR, MAKE ALL DOOR LOCKS INOPERATIVE. SECURE LOCK(S) IN "OPEN" POSITION.

IF THE DOOR LOCK NEEDS TO REMAIN FUNCTIONAL, INSTALL AN INTERLOCK SWITCH.

DO NOT RUN THE OPERATOR BEFORE MAKING LIMIT SWITCH ADJUSTMENTS.

FOR METAL BUILDINGS ONLY: A strong mounting

surface for the operator front header bracket is needed. On the wall above the center stile, weld or bolt a 2"x2"x1/4" piece of angle iron or another suitable, heavy-duty material as shown in Figure 2.

6. Draw a vertical line on header (or reinforcement material) above center stile of door.

7. Raise the door to its high arc point. Use a carpenter's level to locate high arc point on wall above door center stile as shown in Figure 3. Make a horizontal line, intersecting the vertical centerline mark.

FIGURE 2

Building Support

2"x 2"x 1/4"

Angle Iron

Carpenter's

Level

Vertical

Centerline

Center

Stile

Header

Wall

High Arc

Point

FIGURE 4

FIGURE 3

Header

2" Header

Wall

Bracket

High Arc

Point of Door

FIGURE 3

FIGURE 2

8. Close the door and refer to Figure 4. Position operator chassis on the floor with the bottom edge of header bracket 2" above horizontal mark and centered on vertical line. Mark mounting holes.

FOR METAL BUILDINGS: Drill 3/8" holes for fastening bolts. FOR CONCRETE BUILDINGS: Drill 3/8" holes for anchor bolts, following manufacturer's instructions.

NOTE: Be sure header bracket is level before tightening the bolts.

9. Raise operator straight up until the door can be raised to the full open position. See Figure 5. Temporarily secure to ceiling or rafters with rope or other suitable means.

WARNING

FAILURE TO SUSPEND THE OPERATOR SECURELY MAY RESULT IN SERIOUS PERSONAL INJURY OR DEATH, AND/OR PROPERTY DAMAGE.

10. Raise door to full open position. Place a 2x4 board on top of leading edge of door. Lower operator to rest on 2x4 board.

Make four hangers from 2"x2"x1/4" angle iron. IT IS

RECOMMENDED THAT RAIL BE CENTERSUPPORTED AS WELL. Bolt the operator into place.

COIL CORD (OPTIONAL)

REFER TO (A) IN ILLUSTRATION

Connect operator end of coil cord to junction box (not supplied) fastened to the wall approximately half-way up the door opening.

Electrician must hardwire the junction box to the operator electrical box in accordance with local codes.

REEL (OPTIONAL)

REFER TO (B) IN ILLUSTRATION

Take-up reel should be installed 12" above the top of the door.

2"x2"x1/4" Angle Iron

Door

Bracket

Building Support

Trolley

Door

Arm

Wire 24V

Track

Spacer

Rope

Release

Hanger Angles

2"x2"x1/4"

Reversing

Edge

Center

Stile

FIGURE 5

Air Hose

Pneumatic Air Switch

Not Required or Supplied

When Electric Reversing

Edge is Used

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