Chamberlain LiftMaster 850LM Mode D'emploi

APPLICATION
The receiver can be used as a single or three channel receiver to
control up to 3 gates or commercial door operators. The receiver can
also be used with a 3-button remote control to operate the OPEN,
CLOSE, and STOP feature on a commercial door operator. The receiver
is not for use with MyQ™ enabled garage door openers or devices.
Each channel is compatible with a certain number of remote controls and
keypads. Refer to the list below:
• CH1: 50 remote controls and 2 keypads
• CH2: 20 remote controls and 2 keypads
• CH3: 20 remote controls and 2 keypads
When the channel has reached full capacity for remote controls, the
corresponding LED will blink 3 times. When the channel has reached full
capacity for keypads, the corresponding LED will blink 4 times.
LEDs
INSTALLATION
The receiver and antenna use TV Type F coaxial connectors. The antenna can be connected directly to the receiver or it can be installed remotely using
a coaxial cable extension kit (Model 86LM, 15 ft. or 86LMT, 25 ft.).
1 Select a location for the receiver which allows access to the terminals and space for the antenna. Ensure antenna does not touch metal surfaces.
2 Fasten the receiver securely with the hook and loop fasteners (provided) or screws (not provided).
DO NOT bend or fold the antenna.
WIRING
Refer to your commercial door operator or gate operator owner manual or wiring diagrams for specific wiring information.
SINGLE CHANNEL
Receiver
CH3
CH1 CH2
Single Operator(s)
3-CHANNEL UNIVERSAL RECEIVER
To prevent possible SERIOUS INJURY or DEATH from electrocution:
• Be sure power is NOT connected BEFORE installing the receiver.
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 control transmitters.
• 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.
To prevent possible SERIOUS INJURY or DEATH, the use of
CONSTANT OPERATION on residential openers is PROHIBITED.
When a receiver is used to activate a commercial door opener, a
reversing edge MUST be installed on the bottom of the door. Failure to
install a reversing edge under these circumstances may result in
SERIOUS INJURY or DEATH to persons trapped beneath the door.
THREE CHANNEL
Receiver
MODELS 850LM AND 850LMC
Operator 3
Operator 2
Operator 1