LiftMaster er850LM 3 channel universal Receiver User Manual
- June 5, 2024
- LiftMaster
Table of Contents
LiftMaster er850LM 3 channel universal Receiver
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 mya® enabled garage door openers or devices. Each channel is compatible with a certain number of remote controls and keypads.
- 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, all LEDs will blink 3 times. When the channel has reached full capacity for keypads, all LEDs will blink 4 times. Additional accessories can be programmed, however, the newly programmed accessory will replace the first programmed accessory.
NOTE
The receiver will only allow you to program a button on the remote control to
one channel at a time. For example, if the button on the remote control is
already programmed to channel 1 and then is programmed to channel 3, the
button will be erased from channel 1 and will only work on channel 3.
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.
- Select a location for the receiver which allows access to the terminals and space for the antenna. Ensure antenna does not touch metal surfaces. DO NOT bend or fold the antenna.
- 2 Fasten the receiver securely with the hook and loop fasteners provided or screws not provided.
- . 3 After installation is complete, connect power.
- You may use 85LM plug in or 95LM wired-in transformer, or power provided from your operator 9-30 V AC, 9-34 Vdc.
NOTE
- The receiver can command the operator to close the door or gate by constant pressure.
- This feature is only available with a wireless control panel Model 885LM.
- To enable this feature, press and hold the push bar until the gate or garage door moves to the closed position.
CHANNEL UNIVERSAL RECEIVER
WARNING
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.
WIRING
Commercial door operator or gate operator owner manual or wiring diagrams for specific wiring information.
SINGLE CHANNEL
THREE CHANNEL
OPEN, CLOSE, STOP
PROGRAMMING
PROGRAM A SINGLE BUTTON REMOTE CONTROL
Press and release the Learn button for the selected channel on the receiver. The corresponding LED will glow steadily for 30 seconds. 2 Within 30 seconds press and hold the button on the remote control that you wish to program to the receiver. Release the remote control button when the LED on the receiver blinks, then turns off. Programming is complete. Repeat the steps above for each remote control you would like to program.
PROGRAM A 3 BUTTON REMOTE CONTROL AS OPEN, CLOSE, AND STOP
- Press and release the CH1 Learn button on the receiver.
- Within 30 seconds press the desired OPEN button on the remote control.
- Press and release the CH2 Learn button on the receiver.
- Within 30 seconds press the desired CLOSE button on the remote control.
- Press and release the CH3 Learn button on the receiver.
- Within 30 seconds press the desired STOP button on the remote.
NOTE
If a remote control button is not pressed within 30 seconds, the LED next to
the selected Learn button will turn OFF. In that case, repeat the programming.
TO ERASE THE MEMORY
Press and hold the Learn button for the channel you want to erase. Release the button when the corresponding LED turns off; the memory has been erased.
SPECIFCATIONS
- Contact Rating: 5 Amps 28 Vac or de Max.
- Power:9-30V AC or 9-34V DC, 50mA, 60Hz
- Code Format; Security+2.0
NOTE
If your operator does not meet the power specifications you will need a
transformer Model 85LM plug-in or 95LM wiredin
COMPATIBLE ACCESSORIES
- Remote Controls:Models 811 LMX, 813LMX, 891 LM, 893LM, 890MAX, 893MAX, 892LT, 894LT
- Keypads Models: 877LM, 878MAX.
- Antenna Extension Kits:Models 86LM, 86LMT
- Antenna Only: K?-36541
NOTICE
To comply with FCC and/or Industry Canada (IC) rules. adjustment or
modifications of this receiver are prohibited. THERE ARE NO USER SERVICEABLE
PARTS.
This device complies with Part 15 of the FCC rules and IC RSS-210. Operation
is subject to the following two conditions
- This device may not cause harmful interterence.
- This device must accept any interterence received, including interterence that may cause undesired operation.