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Chamberlain ML850-GB Manual

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Input Voltage...................230-240 VAC, 50Hz
Max. Pull Force ..............700N (ML700-GB, ML750-GB)
........................................800N (ML850-GB)
Power .............................115W (ML700-GB, ML750-GB)
........................................125 (ML850-GB)
Standby-by
power rating @ 230V......5.5W (ML700-GB, ML750-GB, ML850-GB)
Normal Torque................7Nm (ML700-GB, ML750-GB)
........................................8Nm (ML850-GB)
Motor
Type................................DC gearmotor permanent lubrication
Drive Mechanism
Drive ...............................Chain/belt with two-piece trolley on
steel rail.
Length of Travel..............Adjustable to 2,3m (7-1/2 feet)
Travel Rate .....................5"-7" (127-178mm) 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 automatic reversal in down
direction. Push button and automatic stop in
up direction.
Electronic........................Automatic force adjustment
Electrical.........................Transformer overload protector and low
voltage push button wiring.
Limit Device....................Optical RPM/Passpoint detector.
Limit Adjustment .............Electronic, Semi and Fully Automatic.
Start Circuit.....................Low voltage push button circuit.
Dimensions
Length (Overall)..............3,2m (122-1/2")
Headroom Required .......30mm
Hanging Weight..............32 lb (14,5 kg)
Receiver
Memory Registers ..........12
Operating Frequency......433.92MHz
SPECIAL NOTE: Chamberlain strongly recommends that the protector
system be installed on all garage door openers.
SPECIFICATIONS
114A2804E-GB
… 11 …


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