Miller Edge Receivers are designed to work with most commercial door and gate operators.  The MWRO3 is connected to the commercial operator in the same manner as a 3-button station and provides open, close and stop functions via radio control. The receiver is powered from the operator's 24 VAC/VDC transformer.  The antenna is removable and may be moved (using coaxial cable) to a new location for better RF reception.  The MWRO3 Receiver is a three channel receiver, it can function as a Trailing Edge, Leading Edge and a Hand Held Transmitter.  It can also function as a three button station. (Three channel transmitter required).

General Specifications:
Model MWRO3 Receiver
Overall Dimensions:1-3/16'' H x 3-1/4'' W x 6-3/8''L
Enclosure Material: ABS
Enclosure Color: Black
Response Time:<3 msec
Operating Temperature: -25 F to 120 F
Maximum Operating Distance: 100 feet
Power: 24 volt AC or DC
Electrical Configuration: Optional N.O. or N.C.
Special Features: 19,683 programmable receiver codes.
tion.  Many gate operators and some garage door operators will not work properly when the switch is not in the CONT position.

To prevent Electrocution disconnect power at fuse box or circuit breaker and door opener before wiring permanently.  Improper wiring could cause electrocution or damage to circuitry. Follow local Building and Electrical Codes.

RECEIVER WIRING INSTRUCTIONS:
1. On the door or gate operator control panel locate the 24 VAC input and attach the red wire.
2. On the door or gate operator control panel locate the common input and attach the white wire.
NOTE: if using all 3 channels attach one orange, black, and yellow wire to the appropriate terminal of the operator.
3. Locate the N/O safety reverse leading or close edge input and attach one black wire.  (Use only if a Leading Edge is supplied)
4. Locate the N/O safety reverse trailing or edge input and attach one orange wire.(Use only if a Trailing Edge is supplied)
5. Locate the N/O keyswitch, exit loop or push button open input and attach one yellow wire.  (Use only if a Hand Held Transmitter is supplied)
Note: Only a Miller Edge Transmitter will work with the MWRO3 three channel receiver.  Before applying power, check all connections and install the antenna.

Installation
Set your Code Switches.  The factory preset code must be changed to safeguard against unauthorized operation.  Use a small screwdriver or pen to remove the small door on the back of the receiver to gain access to the coding switches.  The exact same code must be set on both the transmitter and receiver if just one switch is mismatched the controls will not function.  The coding switch consists of a group of small switches, each of which can be placed in any of three positions (+,0,-).  Using a small screwdriver, set both the transmitter and receiver coding switches identically (Your private code setting).  The 9th switch ( +,0,- ) on the transmitter determines which channel on the receiver is activated.
OPEN (Channel 1 ) could be ''+'' (Trailing Edge)
STOP (Channel 2 ) could be ''-'' ( Leading Edge)
CLOSE (Channel 3) could be ''0'' ( Hand-Held Transmitter)

TROUBLE SHOOTING NOTES:
If the receiver appears to be dead; there is no response when transmitter is activated.
Check the power connections to the receiver.  There must be at least 20 VAC at the receiver power connections for a 24V terminal strip, ensuring that the code switches for the transmitter and receiver are the same.  Review the code switch setting.  Try a different code switch setting.  Check the antenna installation ensuring the antenna is projecting from powerhead.  Wait one minute for the receiver to warm up.   Check battery in transmitter.

If receiver ''clicks'' when any transmitter is activated , but nothing happens.
Check the wire and connections in the STOP (leading edge) circuit.  Check the OPEN (Trailing Edge) and CLOSE (Hand-Held Transmitter)
connections.  Check the power to the operator.  Check the operator's control voltage.

If you experience short distance or intermittent operation.
Relocate the antenna with a coaxial cable.  Install coax cable if metal object is blocking signal.  Check to ensure antenna is projecting from the powerhead.

If you are experiencing external interference (ex: Radio Towers) 
Change code switches from factory settings.  Check battery in transmitter.

Things to remember:
Range is dependent on the application and location of transmitter.  When these conditions change so will the distance.
Any transmitter can interfere with operations.  These include cell phones, cordless phones, wireless systems, and CB and Mobile transmitters.
 
Edge Index