FAAC MDRG User Manual

MegaCode Series
1
2
3
1
2
3
CONNECT RECEIVER DIRECTLY TO OPERATOR
MATCH UP TERMINAL NUMBERS
123
COMMON GROUND
RELAY
24-VOLTS
RADIO POWER
1
2
3
"F" CONNECTOR
DIGITAL GATE RECEIVER
Installation Instructions
(800) 421-1587 www.linearcorp.com
DESCRIPTION
The MegaCode series of digital receivers are wireless radio controls designed for use with automatic gate openers. The MegaCode radio format provides unparalleled security. The transmitter and receiver can be programmed to more than a million different codes.
MegaCode receivers and transmitters do not contain a typical “coding switch”. Each transmitter is pre-set at the factory to a unique code. The receiver is programmed by sending a signal to it from the transmitter(s) that are going to be used with it. This stores the transmitters code into the receiver’s memory. The receiver will retain its memory even without power. The receiver will activate only from these “memorized” transmitters.
of 40 transmitters.
Receivers are normally powered with 24 volts AC/DC from the gate operator. The MDRG has a built-in type “F” connector and is supplied with a 9 inch local antenna. The Linear EXA-GP Remote Antenna may be used to enhance the operational range of the MDRG.
Each MegaCode receiver can remember a maximum
STEP 1A
MDRG Three-terminal Operator Installation.
Hold receiver up to back of operator. (Refer to gate op erator manual as the operator cover may need to be removed first.) Connect Terminals 1, 2 & 3 on the re ceiver to Terminals 1, 2 & 3 on the operator. Operator power supply output must be 24V.
STEP 1B
MDRG Installation (For non 24V Operator).
Model TF524 step-down transformer must be u sed to power the receiver when connecting to an operator supplying anything other than 24V. Install the screws supplied into th e brass termin als on the receiver. Connect the transformer wires to Terminals 1 & 3 (polarity not important). Connect receiver Terminals 1 & 2 to the two operator activation terminals (polarity not importa nt).
WIRE TERMINALS 1 & 2 TO OPERATOR PUSHBUTON TERMINALS
STEP 4
MDRG Program button and LED Location.
the program button and LED on the side of the receiver case.
WIRE TRANSFORMER TO TERMINALS 1 & 3
1
2
3
INSTALL 3 SCREWS
USE MODEL #TF524 24VAC, .5VA TRANSFORMER
PROGRAMMING BUTTON
PROGRAMMING LED
A
Locate
STEP 2
Optional Receiver Mounting Bracket.
If the receiver isn’t going to be mounted directly to the ope rator terminals, an optional mounting bracket is supplied . It can be installed three ways onto the MDRG case. Screw the bracket to a wall or st ud and snap the receiver onto it.
BRACKET CAN MOUNT IN THRE E PLACES
LOCATIO N 1
STEP 5
Program receiver.
1
2
3
Momentarily press the receiver’s
CORNER HOLE IS SHARED FOR LOCATIONS 2 & 3
LOCATIO N 2
LOCATIO N 3
program button. The red programming LED will light if there’s room in the receiver’s memory for another transmitter (40 maximum per receiver). The LED stays on for about 5 seconds.
A transmitter must be entered
while the LED is on
. Press the desired transmitter button. The LED will flicker indicating that the receiver has accepted the transmitt er.
NOTE: Be sure to press the receiver program button for less
than 2 seconds.
WARNING! Operator will not activate when the rec eiver is
being programmed from the transmitter, but the gate operator will activate the next time the transmitter is activated after programming.
NOTE: The programming LED also monitors radio signals entering the receiver. It is common to see an occasional blink from the LED. The LED will also light when an y transmitter tuned to the receiver’s frequency (programmed into the receiver or not) is activated.
STEP 3
Installing the antenna.
screwing it onto the “F” connector.
USE RECEIVER ANTENNA WIRE OR OTHER POINTED OBJECT TO PRESS AND RELEASE PROGRAM BUTTON FOR CHANNEL 1
PROGRAMMING BUTTON
LED WILL LIGHT WHEN RECEIVER IS READY
Attach the local antenna by
WHEN RECEIVER IS READY, PRESS THE DESIRED TRANSMITTER BUTTON
RECEIVER LED WILL FLICKER AS TRANSMITTER IS ENTERED INTO MEMORY
STEP 6
Add additional transmitters.
Repeat Step 5 for each transmitter used with this receiver. Be sure to press the receiver’s program button
each time
a new transmitter or a different
transmitter button on a multi-button transmitter is pressed.
If the LED doesn’t come on when the receiver’s program bu tton is pressed, the receiver’s memory is full (40 transmitters total). Use the erase function (Info 1) to remove transmitters from the receiver’s memory.
1
H
C
THEN PRESS TRANSMITTER BUTT ON
STEP 7
Review memory.
Press and hold the receiver’s program button until t he LED begins to flash (about 3 seconds) and then release the button. Count the number of flashes. The number of flashes equals the number of transmitters programmed into the receiver.
NOTE: Don’t hold down the programming button longer
than 5 seconds, the receiver’s memory for that channel will be erased (Info 1).
1
H
C
STEP 8
Test receiver.
Be sure gate area is clear.
Activate each transmitter. The receiver relay should click and the operator should activate.
Wait 1 second between each activation.
WITH MULTI-BUTTON TRANSMITTERS PRESS
PRESS PROGRAM BUTTON FIRST
INFO 1
Erasing receiver memory.
THE DESIRED BUTTON
Transmitters may be erased from the receiver’s memory by pressing and holding the receiver’s program button for 5 seco nds or more. After the LED blinks (count of transmitters) it will blink one more time as the receiver’s memory is erased.
All transmitters are erase d at the
same time.
CH1
PRESS PROGRAM BUTTON FOR FIVE SECONDS OR MORE
LED WILL FLASH, COUNTING THE TOTAL NUMBER OF TRANSMITTERS PROGRAMED. THEN IT WILL BLINK ONE MORE TIME AS THE TRANSMITTERS ARE ERASED.
LIMITED WARRANTY
This product is warranted to the consumer against defects in material and workmanship for one year from the date of purchase. This warranty applies to first retail buyers of new devices. Warrantor will repair, or at its option, re place, a ny de vice it find s that requires service under this warranty, and will return the repaired or replaced device to the consumer at the warrantor’s cost. For warranty service and shipping instructions contact warrantor at the address shown below. Devices must be sent to warrantor for service at owner’s expense. The re medies prov ided by this warranty are exclusive. Implied warranties under state law are to the one year period of this written warranty. Some states do not allow limitations on how long an implied warranty lasts, so the above limitation ma y not apply t o you. In or der to be protected by this warranty, save your p roof of purc hase and s end c opy wi th equipment should repair be required. This warranty gives you specific legal rights, and you may also have ot her rights which vary from state to state.
PRESS PROGRAM BUTTON FOR THREE SECONDS THEN RELEASE
INFO 2
Mounting the Remote Antenna.
LED WILL FLASH, COUNTING THE TOTAL NUMBER OF TRANSMITTERS PROGRAMED
Attach antenna to
post as shown or refer to antenna instructions for other options.
2" MAXIMUM DIAMETER
U-BOLT
All products returned for warranty service require a Return
Product Authorization Number (RPA#). Con tact Linear
Technical Services at 1-800-421-1587 for an RPA# and other
important details.
PRESS TRANSMITTER
WARNING! BE SURE GATE AREA IS CLEAR OF OBSTRUCTIONS
NOTE: If the receivers LED flashes continuously when a
BUTTON TO TEST
transmitter isn’t being activated, the receiver is too close to an electrical noise source. Move the receiver away from the noise source or call technical services for assista nce.
IMPORTANT !!!
Linear radio controls provide a relia ble commu nications link a nd fill an important need in portable wireless signaling. However, there are some limitations which must be observed .
For U.S. installations only: The radios are required to comply with FCC
Rules and Regulations as Part 15 devices. As such, they have limited transmitter power and therefore limited range. A receiver cannot respond to more than one transmitted signal at a time
and may be blocked by radio signals that occur on or near their operating frequencies, regardless of code settings. Changes or modifications to the device may void FCC compliance.
Infrequently used radio links should be tested regularly to protect against
undetected interference or fault. A general knowledge of radio and its vagaries should be gained prior to
acting as a wholesale distributor or dealer, and these facts should be communicated to the ultimate users.
Copyright © 1999 Linear Corporation 210211 B
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