Chamberlain 550TV, TRUE, 450-9, 450GM, 550-6 User Manual

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THE CHAMBERLAIN GROUP, INC. A Unit of Duchossois Industries, Inc. 845 Larch Ave., Elmhurst, Ill. 60126

Owners Manual

Garage Door Opener

ALL MODELS IN ARE BOLD ARE DELUXE (2 LIGHTS)

 

MODEL

NUMBERS

 

550

550-9

550-6

450GM

450

450-9

450-6

140GM

350

350-9

350-6

550TV

240

240-9

240-6

500TV

150

150-9

150-6

250TV

140

140-9

140-6

140TV

 

250-9TV

140-6TV

550-6TV

 

140-9TV

550-9TV

500-6TV

 

 

500-9TV

250-6TV

FEATURES OF YOUR OPENER

1.Opener Lights: Turn on and off automatically with 4-1/2 minute illumination for your safety and convenience. Provide constant LIGHT when Light Switch is ON.

2.Safety System: Independent up and down force adjustment. The door REVERSES automatically when obstructed in DOWN direction. The door STOPS when obstructed in UP direction.

3.Emergency Disconnect: Pull cord disconnect permits manual door operation.

4.Automatic Reconnect: Trolley halves reconnect for automatic operation when opener is energized after emergency disconnect.

5.Motor Power: Permanently lubricated motor with automatic reset.

6.Digital Radio Controls: Codes can be easily changed by the owner.

7.Easy Limit Adjustment: Limits of door opening and closing adjusted by turning screws without removing chassis cover.

8.Lock Switch: Prevents operation of opener from transmitter. When LOCK Switch is ON, the opener can be operated in the UP direction ONLY, from the Wall Control or optional Key Switch and Keyless Entry accessories, (See below).

SPECIFICATIONS

 

MOTOR

Type ........................................

Permanent split capacitor

Speed......................................

1500 rpm

Volts........................................

120 Volts AC - 60 Hz. Only

Current....................................

4.5 amperes

 

DRIVE MECHANISM

Gears ......................................

16:1 worm gear reduction

Drive........................................

Roller chain with two-piece trolley on

 

steel Tee-rail.

Length of travel........................

Adjustable to 7 1/2 feet

Travel rate ..............................

6 to 8 inches per second

Lamp .......................................

On when door starts to travel, off 4 1/2

 

minutes after stop. Also separate

 

LIGHT Switch.

Door linkage ............................

Adjustable door arm. Pull cord

 

trolley release.

 

SAFETY

Personal..................................

Push button and automatic reversal in

 

down direction. Push button and

 

Automatic stop in UP direction.

Electronic................................

Independent UP and DOWN force

 

adjustment screws.

Electrical .................................

Motor overload protector & low voltage

 

push button wiring.

Limit device.............................

Circuit actuated by limit nut

Limit Adjustment .....................

Screwdriver adjustment on side panel

Start circuit .............................

Low voltage push button or radio

 

control.

 

DIMENSIONS

Length (overall) .......................

128 inches

Headroom required .................

2 inches

Hanging weight .......................

32 pounds

4

Chamberlain 550TV, TRUE, 450-9, 450GM, 550-6 User Manual

Adjustment

STEP 1 Adjust UP and DOWN Limits

LIMIT ADJUSTMENT settings regulate the points at which the door will stop when moving up or down.

NOTE: Door STOPS in the UP direction if anything interferes with door travel. Door REVERSES in the DOWN direction if anything interferes with the door travel (including binding or unbalanced doors).

PROCEDURE: To operate opener, press wall push button. Run the opener through a COMPLETE TRAVEL CYCLE. Limi adjustments are not necessary when the door opens and closes completely and doesn't reverse unintentionally in the fully closed position.

Adjustment Label

Left Side

Limit

Panel

Adjustment

 

Screws

The following chart outlines adjustment procedures. Run the opener through a COMPLETE TRAVEL CYCLE AFTER EACH ADJUSTMENT. NOTE: REPEATED OPERATION OF THE OPENER DURING ADJUSTMENT PROCEDURES MAY CAUSE MOTOR TO OVERHEAT AND SHUT OFF. SIMPLY WAIT 15 MINUTES AND TRY AGAIN. Read chart carefully before proceeding to Step 2. Use a screwdriver to make limit adjustments.

LIMIT ADJUSTMENT CHART

IF DOOR DOES NOT OPEN COMPLETELY

BUT IT OPENS AT LEAST FIVE FEET

Increase UP travel. Turn the UP LIMIT adjustment screw clockwise. One turn equals 2" of travel.

If door does not open at least 5 feet: adjust OPEN FORCE as explained in Step 2.

IF SECTIONAL DOOR DOES NOT CLOSE COMPLETELY

Increase DOWN travel. Turn down limit adjustment screw counterclockwise. One turn equals 2" of travel.

If the door still will not close completely, the header bracket is positioned too high. Repeat Step 1, page 7.

IF ONE-PIECE DOOR DOES NOT CLOSE COMPLETELY

Increase DOWN travel. Turn down limit adjustment screw COUNTERCLOCKWISE One turn equals 2 inches of travel.

IF OPENER REVERSES IN FULLY CLOSED POSITION

Decrease DOWN travel. Turn down limit adjustment screw clockwise. One turn equals 2" of travel.

IF DOOR REVERSES WHEN CLOSING AND THERE IS NO INTERFERENCE TO TRAVEL CYCLE

Test door for binding: Pull emergency release handle. Manually open and close door. If door is binding, call a door serviceman. If door is not binding or unbalanced, adjust CLOSE FORCE. See Step 2.

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