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Summary of Contents for Chamberlain Merlin MJ3800R
- Page 1 MJ3800R Light Duty Commercial & Residential Door Opener Installation and Operating Instructions Owners Copy: Please keep these instructions for future reference This manual contains IMPORTANT SAFETY information DO NOT PROCEED WITH THE INSTALLATION BEFORE READING THOROUGHLY...
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Page 2: Table Of Contents
START BY READING THESE IMPORTANT SAFETY INSTRUCTIONS WARNING • Failure to comply with the following instructions may result in serious personal injury or property damage. • Read and follow all instructions carefully. • The garage door opener is designed and tested to offer safe service provided it is installed and operated in strict accordance with the instructions in this manual. -
Page 3: Carton Inventory
CARTON INVENTORY Your door opener is packaged in one carton which contains the opener and the parts illustrated below. Note that accessories will depend on the model purchased. If anything is missing, carefully check the packing material. 2 x C945 3ch rolling code transmitters Angle bracket... -
Page 4: Specification
PREPARING YOUR DOOR BEFORE YOU BEGIN: To prevent possible SERIOUS INJURY or DEATH: • ALWAYS call a trained door systems technician if door • Disable locks. binds, sticks or is out of balance. An unbalanced door may • Remove any ropes connected to door. •... -
Page 5: Door Requirements
DOOR REQUIREMENTS Survey the area to see if any of the conditions below apply to your installation. Additional materials may be required. You may find it helpful to refer back to this page as you proceed with the installation of your opener. Depending on your requirements, there are several installation steps which may call for materials or hardware not included in the carton. -
Page 6: Installation
CHAIN ALIGNMENT CONSIDERATION Before installing, consider the relationship between the opener and door in terms of the chain connection. Clearances are indicated below to demonstrate the range of sprocket positions available. Choose your opener mounting location based on the drawing below. INSTALLATION Inboard Outboard... - Page 7 INSTALLATION STEP 1 MOUNTING THE UNIT When mounting the unit there are several installation combinations all dependent on clearance and accessibility. Always Note: the wall angle below is shown in a particular orientation. This may vary from door to door. mount to the side of the unit at which the sprocket will be fitted.
- Page 8 INSTALLATION STEP 2 EASY-FIT SPROCKET INSTALLATION 1. Identify matching hole patterns in drum wheel and base plate, then fasten the 3 x 3/8” hex bolts to the corresponding holes in the drum wheel using the large flat washers and spring washers as shown in figure 1. Ensure that the 3/8”...
- Page 9 INSTALLATION STEP 2 (CONTINUED) 5. Loosely attach the two remaining drive spacers to the sprocket as shown in figure 5, using M8 x16 bolts and spring washers. The slots should correspond in the base plate to achieve desired distance between sprocket and base plate, see figure 5.
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Page 10: Control
INSTALLATION STEP 5 doorway is clear of persons and obstructions. INSTALLING THE MULTI-FUNCTION WALL CONTROL Note: any connection to your MJ3800R should be voltage free and Normally open. Opener There are 2 screw terminals on the back of the multi-function... - Page 11 Locate minimum 1.5m above the floor. at a height of 1.5m with an unobstructed view of the door. • Ensure your MJ3800R opener is switched off whilst installing your wireless door control to prevent accidental activation. • Remove the cover from the CM128.
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Page 12: Install The Protector System
INSTALLATION STEP 8 INSTALL THE PROTECTOR SYSTEM Be sure power is not connected to the door opener When installed the safety reversing sensor must be BEFORE installing the safety reversing sensor. connected and aligned correctly before the door To prevent SERIOUS INJURY or DEATH from a closing opener will move in the down direction. -
Page 13: Auto Close
2x flash 45 seconds Auto-Close 3x flash 2 minutes Auto-Close LIGHT 4x flash 3 minutes Auto-Close The Light function is not available with the MJ3800R. 5x flash OFF Auto-Close Lock feature Factory setting is OFF. Repeat the procedure until the Multi-function Door Control shows the required number of flashes. - Page 14 ADJUSTMENT STEP 1 PROGRAM THE TRAVEL LIMITS Travel limits regulate the points at which the door will stop when moving up or down. Follow the steps below Without a properly installed safety reversal system, Figure 1 to set the limits. persons (particularly children) could be SERIOUSLY INJURED or KILLED by a closing door.
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Page 15: Setting The Force
ADJUSTMENT STEP 2 SETTING THE FORCE Figure 1 Figure 2 The force setting button is located on the front panel. The force setting measures the amount of force required to open and close the door. Indicator Black Light Button BLACK Push Orange button 1. -
Page 16: Adjustment
ADJUSTMENT STEP 3 TEST THE SAFETY REVERSAL SYSTEM Without a properly installed safety reversal system, persons (particularly children) could be TEST SERIOUSLY INJURED or KILLED by a closing the door. • With the door fully open, place a 40mm (1 1/2”) obstacle on •... - Page 17 ADJUSTMENT STEP 5 TO OPEN THE DOOR MANUALLY The door should be fully closed if possible. Pull down on the emergency release handle until a click noise is heard from the unit and lift the door manually. To reconnect the door to the opener, pull down the emergency release handle straight down a second time until a click noise is heard from the unit.
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Page 18: Wireless Programming
Additional the opener. buttons on any 3-button transmitter or mini-transmitter can be programmed to operate other Merlin Professional garage door openers or gate openers. C943 2. The orange LED (indicator light) will... - Page 19 WIRELESS PROGRAMMING TO ADD, REPROGRAM OR CHANGE A KEYLESS ENTRY PIN USING THE “LEARN” BUTTON 1. Press and release the orange “learn” button on opener. The learn indicator LED will glow steadily for 30 seconds. 2. Within 30 seconds, enter a four digit personal identification number (PIN) of your choice on the keypad.
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Page 20: Repair Parts
REPAIR PARTS Installation Parts PART DESCRIPTION STUB1 Stub sprocket The Protector System (IR Beams) EFS57 Easy-Fit sprocket kit (Pat. pend) EXTP1 Extension plate CM475 Evercharge standby power unit ANGB1 Angle bracket 845AML Multi-function door control MBK1 Mounting bracket C945 3 Channel mini transmittter 041A4582 Emergency release rope &... -
Page 21: Diagnostic Chart
Installed Safety Reversing Sensor “Learn” Button LED or Diagnostic Your door opener is programmed with self-diagnostic capabilities. The “Learn” button/diagnostic LED will flash a “Learn” number of times then pause signifying it has found a Button potential issue. Consult Diagnostic Chart below. DIAGNOSTIC CHART 1 FLASH Symptom: One or both of the Indicator lights on the safety reversing sensors... -
Page 22: Troubleshooting
TROUBLESHOOTING 1. The opener doesn't operate from either the multi- 8. The door reverses for no apparent reason and function door control, wireless wall button or the opener LED doesn’t flash: transmitter: • Is something obstructing the door? Pull the emergency •... -
Page 23: Care Of Your Opener
100 billion new codes. Your opener will operate with up to 64 Merlin ® Security transmitters and one Keyless Entry System. If you... -
Page 24: Warranty
Zealand Limited (Seller) warrants to the original purchaser event shall the Seller's liability for damages or injury arising of the Merlin MJ3800R Garage Door Opener (Unit) that it from breach of law or contract or for negligence, exceed the is free from defects in material and/or workmanship for a...
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