Linear MDR-U Garage Door Opener User Manual
Contents
1. S _ __ GOOD RECEPTION A PLUG ABOVE THE GROUND LEVEL WILL PROVIDE GOOD RADIO RECEPTION APLUG CLOSE TO GROUND LEVEL WILL CAUSE POOR RADIO RECEPTION POOR RECEPTION ADDING TRANSMITTERS 1 PRESS AND RELEASE THE LEARN BUTTON ERASING TRANSMITTERS 1 PRESS AND HOLD DOWN THE LEARN BUTTON 2 THE LEARN INDICATOR WILL FLASH COUNTING THE NUMBER OF TRANSMITTERS IN MEMORY 2 THE LEARN INDICATOR WILL LIGHT IF THERE S ROOM IN MEMORY UP TO 10 TRANSMITTERS WILL FIT 3 CONTINUE HOLDING DOWN 3 ACTIVATE THE TRANSMITTER THE LEARN BUTTON WHILE THE INDICATOR IS LIT WITHIN 15 SECONDS THE INDICATOR WILL FLASH ONCE 4 INDICATOR FLASHES SHOWING THE MEMORY ERASURE 5 REPEAT STEPS FOR ADDITIONAL TRANSMITTERS 5 RELEASE THE BUTTON THE UNIT ENTERS LEARN MODE FOR 15 SECONDS TEST RECEIVER ACTIVATE EACH TRANSMITTER AND VERIFY THAT THE RECEIVER AND DOOR OPERATOR ACTIVATES IMPORTANT SAFETY INSTRUCTIONS Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with dry cloth Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding p2. Universal MegaCode Receiver ARFERCOOT For Garage Door Operator Remote Control Installation Instructions Linear 760 438 7000 FAX 760 438 7043 USA amp Canada 800 421 1587 amp 800 392 0123 Toll Free FAX 800 468 1340 www linearcorp com PRODUCT DESCRIPTION The Model MDR U Universal MegaCode Receiver is designed for use as a replacement radio control receiver in garage door operator installations The receiver is self contained not requiring an external transformer or power from the garage door operator The receiver plugs directly into a 120 VAC outlet A retaining screw is provided to secure the receiver to the outlet Two screw terminals on the receiver are for connection to the garage operator s pushbutton input A dry contact Form A relay in the receiver will provide a 5 seconds closure across the terminals when the receiver activates A flexible wire antenna extends from the receiver s case to provide maximum radio reception 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 from the transmitter storing the transmitter s code into the receiver s memory The receiver will retain its memory even without power The receiver will activate only from these memorized transmitters Each MDR U receiver can be programmed to activate from up to ten MegaCode tr
3. ansmitters The learn button and learn indicator are used for entering and erasing the transmitters in the receivers memory The learn indicator also displays signals being received and can be used for troubleshooting CONNECT THE RECEIVER TO THE OPERATOR DISCONNECT POWER TO THE GARAGE DOOR OPERATOR BEFORE PROCEEDING UL NOTE ALL LOW VOLTAGE CLASS 2 CABLE USED WITH THE OPERATOR MUST BE UL LISTED TYPE CL2 CL2P CL2R OR CL2X OR OTHER CABLE WITH EQUIVALENT OR BETTER ELECTRICAL MECHANICAL AND FLAMMABILITY RATINGS CONNECT 2 CONDUCTOR WIRE TO THE MDR U RECEIVER RELAY OUTPUT TERMINALS WALL PUSHBUTTON CONNECTION fa FROM OPERATOR ROUTE THE WIRE AND CONNECT IT TO EITHER THE WALL PUSHBUTTON OR DIRECTLY TO THE DOOR OPERATOR POLARITY NOT IMPORTANT SECURE THE PUSHBUTTON WIRE WITH INSULATED STAPLES DIRECT OPERATOR CONNECTION ANTENNA OR THE SAME TERMINALS THE WALL PUSHBUTTON USES CAUTION RISK OF ELECTRICAL SHOCK DO NOT OPEN EXPLANATION OF GRAPHIC WARNING SYMBOLS AS A This symbol is intended to alert the user to the presence of un insulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock WARNING To reduce the risk of fire or electric shock do not expose this device to rain water or wet locations This symbol is intended to alert the user to the presence of important operating and mai
4. evices As such they have limited transmitter power and therefore limited range e 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 This device complies with FCC Part 15 and Industry Canada Rules and Regulations Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Copyright 2004 Linear Corporation 220675 A
5. ntenance Servicing instructions in the literature accompanying the device COMPONENT LOCATIONS AC POWER RETAINING TERMINALS a LEARN amp SIGNAL INDICATOR RELAY OUTPUT TERMINALS 1 AMP 32 VDC MAXIMUM LEARN BUTTON ANTENNA INSTALL THE RECEIVER REMOVE THE OUTLET S COVER A PLATE SCREW AND PLUG THE P RECEIVER INTO THE 110 VAC OUTLET NOTE BE SURE THAT THE OUTLET IS NOT CONTROLLED BY A WALL SWITCH SECURE THE RECEIVER TO THE OUTLET WITH THE RETAINING SCREW IMPORTANT SAFETY INSTRUCTIONS A WARNING A TO REDUCE THE RISK OF SEVERE INJURY OR DEATH 1 READ AND FOLLOW ALL INSTALLATION INSTRUCTIONS 2 NEVER LET CHILDREN OPERATE OR PLAY WITH DOOR CONTROLS KEEP REMOTE CONTROL AWAY FROM CHILDREN 3 ALWAYS KEEP MOVING DOOR IN SIGHT AND AWAY FROM PEOPLE AND OBJECTS UNTIL IT IS COMPLETELY CLOSED NO ONE SHOULD CROSS THE PATH OF THE MOVING DOOR 4 NEVER GO UNDER A STOPPED PARTIALLY OPEN DOOR A CAUTION A TO REDUCE THE RISK OF ELECTRIC SHOCK DISCONNECT POWER TO THE RECEPTACLE BEFORE INSTALLING OR REMOVING THE UNIT WHEN REMOVING RECEPTACLE COVER SCREW COVER MAY FALL ACROSS PLUG PINS OR RECEPTACLE MAY BECOME DISPLACED USE ONLY WITH DUPLEX RECEPTACLE HAVING CENTER SCREW SECURE UNIT IN PLACE BY RECEPTACLE COVER SCREW DETERMINE THE BEST RECEIVER LOCATION BEST YV RECEPTION A PLUG ON THE CEILING WILL GIVE THE BEST RADIO RECEPTION UNLESS THE OPERATOR S RECEIVER CAUSES SOME INTERFERENCE
6. ranted against defects in material and workmanship for twelve 12 months The Warranty Expiration Date is labeled on the product This warranty extends only to wholesale customers who buy direct from Linear or through Linear s normal distribution channels Linear does not warrant this product to consumers Consumers should inquire from their selling dealer as to the nature of the dealer s warranty if any There are no obligations or liabilities on the part of Linear Corporation for consequential damages arising out of or in connection with use or performance of this product or other indirect damages with respect to loss of property revenue or profit or cost of removal installation or reinstallation All implied warranties including implied warranties for merchantability and implied warranties for fitness are valid only until Warranty Expiration Date as labeled on the product This Linear Corporation Warranty is in lieu of all other warranties express or implied All products returned for warranty service require a Return Product Authorization Number RPA Contact Linear Technical Services at 1 800 421 1587 for an RPA and other important details IMPORTANT Linear radio controls provide a reliable communications link and fill an important need in portable wireless signaling However there are some limitations which must be observed e For U S installations only The radios are required to comply with FCC Rules and Regulations as Part 15 d
7. rong The wide blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet Unplug this apparatus during lightning storms or when unused for long periods of time Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped CHECK FOR INTERFERENCE FROM OTHER RECEIVERS WATCH THE MDR U RECEIVER S LEARN INDICATOR IF THE LEARN INDICATOR IS FLASHING WITHOUT ACTIVATING ANY TRANSMITTERS INTERFERENCE MAY BE COMING FROM A NEARBY OPERATOR S RECEIVER TEST IF THE OPERATOR IS THE SOURCE OF THE INTERFERENCE BY UN PLUGGING THE OPERATOR FROM POWER IF THE LEARN INDICATOR STOPS FLASHING THE OPERATOR IS THE SOURCE OF INTERFERENCE 1 IF THE OPERATOR HAS AN EXTERNAL RADIO RECEIVER ea DISCONNECT POWER TO IT 2 IF THE OPERATOR HAS A BUILT IN RADIO RECEIVER CUT THE COMPONENT THAT FEEDS POWER TO THE RECEIVER OR CUT OFF THE OPERATOR S ANTENNA AND REMOVE THE RECEIVER S TUNING SLUG OPERATOR S ANTENNA NOTE IT IS RECOMMENDED TO DISABLE THE OPERATOR S RECEIVER TO PREVENT THE OLD REMOTES FROM ACTIVATING IT LINEAR LIMITED WARRANTY This Linear product is war
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