Chamberlain 1145 Garage Door Opener User Manual


 
31
To Erase All Codes From Opener
Receiver Memory
To deactivate any unwanted remote,
first erase all codes:
Press and hold the “Learn” button on
opener until the smart indicator light
goes out (approximately 6 seconds).
All previous codes are now erased.
Reprogram each remote or keyless
entry you wish to use.
Below are instructions for programming your opener
to operate with remote control transmitters.
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1. Press and hold the button on the
hand-held remote
* that you wish
to operate your garage door.
2. Press and release the “Learn”
button on the back panel of the
opener.
3. The light bulb will blink when the
code has been accepted. If light
bulb is not installed, two clicks
will be heard.
To Code a Hand-held Remote
Control Transmitter
USING THE “SMART” BUTTON
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PROGRAMMING
*Multi-Function Remotes
If provided with your
garage door opener,
the large button is
factory programmed to
operate it. Additional
buttons on any multi-
function remote or
mini-remote can be programmed to operate other
garage door openers.
SPECIFICA
TIONS
Horsepower ....................1/2
Rated Pull Force
.............800N
Stand-by power rating
@ 230V...........................5.5W
Motor
Type................................Permanent split capacitor
Speed .............................1500 rpm
Volts................................230-240 Volts AC-50Hz Only
Current............................2.0 amperes
Drive Mechanism
Gears..............................16:1 worm gear reduction
Drive ...............................Chain with one-piece trolley on
steel C-rail.
Length of Travel..............Adjustable to 2.29m (7-1/2 feet)
Travel Rate .....................127mm (5") per second
Lamp...............................On when door starts, off 2-1/2
minutes after stop.
Door Linkage ..................Adjustable door arm. Pull cord
trolley release.
Safety
Personal..........................Push button and stop. 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 and 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 circuit.
Dimensions
Length (Overall)..............3.1m (122-1/2")
Headroom Required .......5cm (2")
Hanging Weight..............14.5 kg (32 lb)
Receiver
Operating Frequency......433.92MHz
Computer Codes ............8
Code Switch Code..........1
Keypad Code..................1
114A2845